Comprehensive training device for one machine and two library system

The one -machine, two -library simulation experimental equipment is suitable for the installation and m--ntenance and m--ntenance of electromechanical equipment in colleges, secondary vocational schools, and undergraduate colleges, electrical operations, electrical operations and control, electrical technology applications, electrical and electrical, refrigeration and --r -conditioning equipment use and use and use of electricity, refrigeration and --r -conditioning equipment. M--ntenance and other professional courses such as "Refrigeration and *r Conditioning Machine and Equipment", "Installation and M--ntenance of Refrigeration and *r Conditioning Device", "Refrigeration and *r Conditioning Automation", "*r Regulatory Technology and Application", "Cold Store Engineering and Operation Management", "Cold Refrigeration Craft" and other courses Tr--ning teaching and intermediate, ** work appr--sal and assessment.

1. Device characteristics

1. Strong comprehensiveness: In the real installation of one machine, two library simulation experiments, one -machine two -library refrigeration system, electrical control system, and fault system are integrated.

2. Strong intuitiveness: The device adopts an open design, the control circuit and the refrigeration pipeline system are directly displayed. The device stickers have the name logo, and students can intuitively understand various devices;

3. Strong tr--ning: there is a fault device for the tablet, which can achieve electrical control fault settings, which is conducive to the skills appr--sal and assessment work;

4. Safety protection is complete: there are voltage leakage protection, current leakage protection, overcurrent protection, overload protection, and ground protection, which can effectively protect personal and equipment.

2. Technical performance:

1. Enter power supply: three -phase and four lines (or three -phase and five lines) ~ 380V ± 10% 50Hz

2. Working environment: Temperature -10 ℃ ～ 40 ℃ relative humidity <85%(25 ℃) altitude <4000m

3. Device capacity: <7kva

4. Refrigerator: R22

5. Refrigeration: 5.3kW

6. Weight: 300kg

7. Standard size: 180cm × 80cm × 180cm

3. Basic configuration and functions of tr--ning devices:

The tr--ning device is m--nly composed of control screens, tr--ning tables, --r -cooled refrigeration units and cold storage.

1. Power control part

AC power supply: Provide a three -phase AC power supply required to control the screen work, which can be controlled by the total power switch.

2. Measurement instrument

(1) Pointer voltage table: 0 ～ 450V, accuracy of 2.5 levels

(2) Vacuum pressure gauge: -0.1 ～ 1.5MPa

(3) Vacuum pressure gauge: -0.1 ～ 3.5MPa

(4) Delivery temperature table: PT100 sensor, measurement range -50 ~ 150 ℃

3. One machine, two libraries electrical control assessment board

The panel is printed on the principle diagram of one machine and two libraries, and there is a corresponding test point to facilitate students to analyze and measure.

Technical Parameters:

1. Input power supply: three -phase AC380V ± 10% 50Hz, power 1.5kW.

2. Corresponding fan parameters: --r volume 2200m3/h, wind pressure 1000 PA, power 1.5kW.

3. Local suction wind cover, transparent and organic glass material; experimental pipeline diameter φ160mm.

4. Blittering flow meter with oblique tube micro pressure meter metering speed: the range -10-700Pa.

5. The pressure distribution of the winding stamping meter is measuring the pressure distribution of the exhaust cover. The length is 800mm, and the height shift ruler.

6. Dimensions: 1000 × 600 × 1900mm. The shape is st--nless steel moveable bracket with a double brake wheel.

7. Building building and smart building electrical installation virtual simulation software

Based on the UNITY3D design, users choose different interactive interface size based on the computer configuration. The software in the software can be rotated, magnified, reduced, and translated at 360 °. There are small assistant tips for software use, the content is as follows:

A. Wet alarm system

1. System summary: Overview of Wet Alarm System

2. Equipment cognition: there are ** perspectives, equipment det--ls (displayed or parameters of the device), practice (built -in 6 selection questions, there are prompts for correctness and errors), schematic diagrams (can be entered from the schematic diagram Go to the device). The equipment includes: nozzle, water flow indicator, signal butterfly valve, exhaust valve, fire alarm control, executive pressure gauge, high water tank, Weia control cabinet, stabilization tank, flow switch, end -end water testing device, dr--nage facility, water pump combinations, water pump combination Instruments, hydraulic bells, latencys, wet alarms, butterfly valves, stop valves, fire pumps, safe stabilization valves, fire pools.

3. Principles display: Show the working principle of the wet alarm system, the three -dimensional animation demonstration, the three -dimensional model is translucent, and the internal water flow can be seen. Equipped with the exercise module (4 built -in multiple choice questions, there are prompts to choose correctly and errors)

4. Design arrangement: There are choices and calculation questions, each question has scored scores. After submission, the correct answer and score are displayed

B. Gas fire extinguishing system

1. System summary: Overview of the gas fire extinguishing system

2. Equipment cognition: set up a ** perspective, equipment det--ls (display the introduction or parameter of the device), practice (built -in 8 selection questions, there are prompts with correct and errors), schematic diagrams (can be entered from the schematic diagram Go to the device). The equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, seven-fluoropropane unidirectional valve, high-pressure hose, gas unidirectional valve, safety valve, weighing alarm, electromagnetic promoter, smoke alarm, fire, fire Alarm controller.