The access system in the dwelling and its governance lighting

We present our thesis on "The access system in the dwelling and its governance lighting", which was protected on the "excellent"

Contents:

Introduction 6

1. The design section 7
1.1. Review and classification of existing technical solutions for patent and technical literature 7
1.2. Finalization of the prior art 16
1.3. Classification of modern alarm sensors to ensure the physical protection 23
1.4. The physical principles of functioning of modern sensors 22
1.5. Patent review 25
1.6. Development of the block diagram 42
1.7. The analysis and choice of the element base 43
1.8. Developing electrical schematic of the control unit 57
1.9. Operation and configuration of the system of access to housing and the management of its lighting 64

2. Technological section 70
2.1. Design and calculation of PCB using software packages 70
2.1.1. The definition of operating conditions and the rigidity of the group 70
2.1.2. Selecting the type and accuracy class 70
2.1.3. Material selection board 71
2.1.4. Calculation of electronic structural elements 72
2.1.5. Geometrical characteristics of the PCB. 75
2.1.6. Protecting the functional unit from mechanical damage 77
2.1.7. Thermal protection of the functional unit 78
2.1.8. Layout PCB ERE 82
2.2. The development of the functional units of the system of access 84

3. Economic section 88
3.1. Generalities 88
3.2. Selection and justification of the base case for comparison 87
3.3. Brief description of the technical changes proposed in the draft 88
3.4. Calculation of economic efficiency 26
3.4.1. Calculate the cost of manufacture of the product 89
3.4.2. Calculation of costs under "basic materials" 92
3.4.3. Calculation of costs under "basic salary" 95
3.4.4. Calculation of costs under "Salary More» 97
3.5. A comparison with the base case 99
3.6. The total economic performance of 103

Conclusion 112
References 113