dyHGRG-61 Duct wind pressure, wind speed, wind measurement training device
Release time：2024-06-11 04:00viewed：times
1. Experiment purpose
: Understand the structural principles of flow measurement devices, and learn to use national standard elliptical flow nozzles, Pitot tubes, imported headers and elbow flowmeters to measure flow.
2. Technical indicators
1. The device is equipped with national standard elliptical flow nozzles, Pitot tubes, imported headers and elbows, which is convenient for experimental research.
2. The working environment of the device: operates at normal temperature and pressure, working power supply: three-phase five-wire 380VAC, 50Hz, total power 2.2KW. Safety protection: with grounding protection, leakage protection, overcurrent protection.
3. Installation of power lines and control lines: environmentally friendly flame -retardant electrical wiring ducts must be used, standardized and organized in line with national standards, with features such as insulation, arc prevention, flame retardant and self-extinguishing, neat wiring, reliable installation, easy to find, rep*r and Swap the lines.
4. Device dimensions: 2500×1000×1800mm.
3. M*n configuration and parameters
1. Multi-wing centrifugal fan, established in Shangh*, 380VAC, 0.75KW, 1 set.
2. Flow nozzles: National standard GB/T 1236-2000, 3 nozzles with φ70mm and 2 nozzles with φ50mm.
3. Standard flow metering box, length × width × height: 875 × 507 × 550.5mm. Standard flow nozzles, φ70mm and φ50mm,
the nozzles are equipped with blocking plates, which are removable. 6mm thickness support plate. Perforation rate of 39.8% flow equalizing plate. Pressure measuring rings before and after the nozzle.
The standard flow metering box is made of 304 st*nless steel.
4. Imported header flow meter.
5. Elbow flow meter.
6. St*nless steel elbow, φ133mm, 90 degrees, 1 piece.
7. Blind plate set, φ154mm, 1 set.
8. 11 st*nless steel tubes, φ8mm×50mm, used as pressure measuring tubes.
9. Red oil pressure difference gauge, YBS-700, range -10~0~700Pa, 4 pieces.
10. Pitot tube, flow coefficient 0.997, φ6mm.
11. Standard test pipe section, φ133mm, 304 st*nless steel pipe.
12. Frequency converter, force control, 1.5KW, 380VAC, 1 set.
13. Circuit breakers and pressure measuring hoses, etc.
14. Power supply control system: 1 double-sided matt dense-gr*n spray plastic electric control box, self-locking button switch with light (Chint), wire trough, and
the control box panel is made of aluminum concave technology.
15. St*nless steel frame experimental bench (38*38mm st*nless steel square tube, casters are universal wheels with locking feet) and other components.
16. Virtual simulation software for electrical installation of building buildings and smart buildings.
Based on unity3d design, users can choose different interactive interface sizes according to computer configuration, and can choose from six image quality levels. The model in the software can be rotated 360°, enlarged, reduced, and translated. There are assistant prompts during the use of the software, and the content is as follows:
A. Wet alarm system
1. System overview: Overview of wet alarm system
2. Equipment awareness: equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), and exercises (Built-in 6 multiple-choice questions, prompts for correct and incorrect choices), schematic diagram (can be entered into the device from the schematic diagram). Equipment includes: nozzle, water flow indicator, signal butterfly valve, exhaust valve, fire alarm control, high pipe pressure gauge, high water tank, Wia control cabinet, pressure stabilizing tank, flow switch, terminal water testing device, dr*nage facilities, water pump connection alarms, hydraulic alarms, delayers, wet alarms, butterfly valves, check valves, fire pumps, safety pressure regulators, and fire pools.
3. Principle display: Show the working principle of the wet alarm system, three-dimensional animation demonstration, the three-dimensional model is translucent, and the internal water flow can be seen. Equipped with a practice module (built-in 4 multiple-choice questions, with prompts for correct and incorrect choices)
4. Design layout: There are multiple-choice questions and calculation questions, each question 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 awareness: equipped with the best viewing angle, equipment det*ls (displaying the introduction or parameters of the equipment), exercises (built-in 8 multiple-choice questions, with prompts for correct and incorrect choices), Schematic diagram (access to the device from the schematic diagram). Equipment includes: nozzle, HFC-227 storage bottle, bottle head valve, heptafluoropropane one-way valve, high-pressure hose, gas one-way valve, safety valve, weighing alarm, electromagnetic starter, selection valve, smoke alarm, fire Alarm controller.
3. Principle display: Show the working principle of the gas fire extinguishing system, three-dimensional animation demonstration, the three-dimensional model is translucent, and the internal gas can be seen. Equipped with a practice module (built-in 3 multiple-choice questions, with prompts for both correct and incorrect choices)
4. Design and layout: There are 6 multiple-choice questions, each question is scored, and the correct answer and score will be displayed after submission.
C. Escape drill: adopted Teaching is conducted in the form of fun games. Escape from the burning room within a limited time. If you make a wrong choice, you will directly enter the score interface.
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