Hello everyone, I'm Brother Xue. Recently, the readers of the VIP member group consulted the weak current engineering design instructions, and today shared a very comprehensive set of weak current system construction drawing design instructions, which can be used directly, or can be simply modified, and can be used as a scheme material, it is recommended to collect it for later use.
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Description of construction drawing design
First, the general situation of the project
An overview of the project can be found in the overview of the architectural profession.
Second, the design basis
1. Architectural CAD drawings provided by the construction design unit.
2. The initial development point and structure provided by the company
3 "Design Standard for Intelligent Buildings" (GB 50314-2015)
4. Code for Engineering Design of Integrated Wiring System (GB 50311-2016)
5 Code for lightning protection design of buildings (GB 50057-2010)
6 Code for Data Center Design (GB 50174-2017)
7. Engineering Technical Code for Civil CCTV System (GB 50198-2011)
8. Code for Acceptance of Construction Quality of Building Electrical Engineering (GB 50303-2015)
9 Technical Code for Lightning Protection of Electronic Information System of Buildings (GB 50343-2012)
10 Technical Standard for Safety and Prevention Engineering (GB 50348-2018)
11. Code for the Design of Sound Reinforcement System in Halls (GB 50371-2006)
12 Code for Engineering Design of Video Security Monitoring System (GB 50395-2007)
13 Code for Engineering Design of Access Control System (GB 50396-2007)
14 Technical Code for Public Broadcasting System Engineering (GB 50526-2010)
15 Code for Engineering Design of Electronic Conference System (GB 50799-2012)
16 "Engineering Technical Code for Building Equipment Monitoring System" (JGJ/T 334-2014)
17 "General Graphic Symbols for Security and Prevention Systems" (GA/T 74-2017)
18 Technical Requirements for Safety Management System for Parking Lots (Garages) (GA/T 761-2008)
19 Rules for the Acceptance of Security Precaution Systems (GA 308-2001)
20 "Technical Requirements for Video Security Monitoring System" (GA/T 367-2001)
21 Technical Requirements for Intrusion Alarm System (GA/T 368-2001)
22 Technical Requirements for Electronic Inspection System (GA/T 644-2006)
23 "Technical Requirements for Lightning Surge Protection of Safety and Security Systems" (GA/T 670-2006)
Other relevant norms and standards in force.
Note: The relevant technical specifications are subject to the latest standards and specifications promulgated by the relevant national departments.
3. Design scope
| (a) Information facilities system | (b) Public safety systems |
| Cabling system | Video surveillance system |
| Program-controlled switch system | Security alarm system |
| Computer network systems | Electronic patrol system |
| Wi-Fi coverage system | Access control management system (including campus card) |
| Cable TV system | Parking and barrier management systems |
| IPTV system | Perimeter alarm system |
| Information dissemination teaching system | Five-way intercom system |
| Wireless intercom system | (c) Construction equipment management system |
| Conference system | Building automation control systems |
| Energy metering system | |
| Smart lighting system | |
| (d) Uninterruptible power supply systems | (e) Computer room works |
Fourth, system design
1. Integrated wiring system
1) The integrated wiring system is a set of information transmission channels pre-set for computer communication facilities in buildings or between building complexes. It connects voice, data, image, control and other devices to each other, as well as to external communication data networks.
2) Work area subsystem: one network point for one bed in the student dormitory, one AP point in the ceiling, one data point reserved behind the TV in the teacher's dormitory for IPTV, and 5 campus outlets and 5 equipment outlets in the classroom.
3) Horizontal subsystem: All horizontal cables use six types of unshielded twisted pairs. The cable length of the horizontal subsystem is less than 90 meters.
4) Vertical trunk subsystem: composed of optical cables and copper cables, composed of optical cables and copper cables, the voice backbone adopts 50 pairs of three types of large logarithmic copper cables, and the data backbone uses indoor 8-core single-mode optical cables except for the weak current room of the gymnasium, and the data backbone of the rest of the buildings adopts outdoor 8-core single-mode optical cables, and the backbone adopts a double uplink mode.
5) Management subsystem: according to the specific number of end points, the weak current room is reasonably allocated, and each weak current room is composed of copper cables, optical fiber distribution equipment, color labels and special jumpers and other equipment, all of which are set up in the cabinet.
6) Equipment room subsystem: The network computer room is located on the first floor of the gymnasium.
2. Program-controlled switch system
Set up an independent dedicated program-controlled switch for public use in schools. The program-controlled switch is located in the network computer room on the first floor of the gymnasium.
The system is designed according to the following principles:
iUses PABX based on IP technology.
ii. The UPS power supply time of the telephone system is not less than 2 hours.
iii. Analog telephones are used in administrative offices
Key features:
| Message (voice mail) service FCS, at least 3 Chinese languages The phone forwards the call Conference calls Automated testing of obstacles Abbreviated dialing | fax Call hold and return Traffic meter Wait for the music service Data transmission is confidential User extension performance limits, etc. |
3. Computer network system
a) The school computer network system is divided into campus network (wired and wireless network used by students and office broadband Internet access), campus security equipment network (for security, BA and other equipment access), these two types of networks must be physically isolated. The device is installed in the network data center.
b) The campus network topology is a Layer 2 star Gigabit Ethernet structure, which is divided into access layer and core layer architecture. The topology of the equipment network (except the video surveillance system) is a two-layer star Gigabit Ethernet structure, which is divided into an access layer and a core layer architecture, and the video surveillance equipment network adopts a three-layer architecture based on a passive optical network. The floor switch in the wiring room is connected to the core switch in the network room through optical fiber.
c) Centralized management of campus network wireless network coverage: configure wireless AP controller.
d) The campus network and equipment network are equipped with security firewalls and routers.
e) The core routing switch of the core layer of the campus network and the equipment network adopts dual-core and dual-power configuration; At the access layer, 24 switches are used, with 10/100/1000Mbps downlink ports and 1 Gbps uplink ports. When the access load needs to be powered by POE, the POE switch must be used, and all access layer switches support stacking.
f) The main equipment is set up in the network computer room on the first floor of the gymnasium.
4. Wi-Fi coverage system
(a) Wireless network should cover the whole area, such as playgrounds, gymnasiums, teaching buildings, offices, staff dormitories, theaters, etc.
(b) Wireless network coverage can be opened for a limited period of time and in a limited area.
(c) Centralized management configuration of wireless AP controllers.
(d) Require the use of the AP Management Platform. Unified interface for visual management of wireless networks (bandwidth usage, wireless terminal monitoring status, etc., unified management policy issuance, configuration distribution, etc.)
(e) Convenient access authentication (notebook user access authentication, SMS authentication, QR code authentication, temporary authentication, etc.) ）
(f) Push can be made using existing chat platforms (e.g. WeChat)
(g) All high-density wireless access points must meet the requirements for gigabit uplink transmission.
(h) The AP is required to support 802.11b/g/n and 802.11ac. The frequency of use is 2.4GHz and 5GHz. Field strength: ≥-65db (2.4G and 5G).
(i) The installation location of the wireless AP needs to be coordinated with the interior designer.
(j) The main equipment is set up in the network computer room on the first floor of the gymnasium.
5. Indoor mobile communication coverage system
The telecom operator is responsible for the overall design of the system bridge, equipment and pipelines.
6 cable TV system
(a) Optical transceiver equipment is used between campus buildings, and optical fiber transmission is used.
(b) The system should be designed in accordance with the local requirements for radio and television, and meet the requirements of local radio and television network construction.
(c) Principles of TV terminal distribution: teaching buildings/faculty dormitories/others.
(d) Under the premise of local radio and television and the permission of the law, foreign faculty and staff can watch overseas channels within the prescribed range.
(e) The main equipment is set up in the network computer room on the first floor of the gymnasium.
7 IPTV system
The design of this system is unified in the integrated wiring system.
8. Information release teaching system
(a) The network equipment and terminal display screen are composed, and the teaching course information is pushed in the background.
(b) Set up at the school gate, the entrance of the teaching building, the classroom, the entrance of the dormitory, the entrance of the gymnasium, the entrance of the children, etc.
(c) The information release system is connected to the campus equipment network for unified management.
(d) The central control equipment is set up in the security center computer room, and the server is set up in the network computer room.
9 conference system
1. Set up the examination room broadcast in the examination hall of the teaching building, the examination room has the basic broadcasting function, and can support the wired microphone sound reinforcement, U disk on demand, FM/AM receiving radio playback function.
2. The parent conference room on the first floor of the teaching building is equipped with projectors and projection screens, and is equipped with multimedia table sockets to meet the projection needs of the conference, and ceiling speakers are designed to meet the needs of conference sound reinforcement.
3. The conference room 1 next to the principal's office on the first floor of the teaching building is equipped with a video conference system to support video conferencing and realize the function of telephone conference, and a 75-inch smart TV is set up in the conference room as a display and wireless screen projection.
4. The design scheme of all conference rooms and examination halls needs to be deepened with the decoration.
10. Parking and barrier management system
(a) The school uniformly carries out the management of vehicle entry into the campus and personnel gate entry records, and sets up a set of 1 in and 1 out of the vehicle management system based on video license plate recognition at the school gate, side door and kindergarten gate, and reserves the function of charging for foreign vehicles.
(b) One sidewalk gate face recognition entry and exit turnstile is set up at the school entrance, side entrance, kindergarten gate and opposite entrance.
(c) Sidewalk gates should support functions such as card swiping, face recognition, fingerprints, and QR codes.
(d) The main equipment is set up in the fire control room.
11. Elevator five-party intercom system
(a) Realize the communication between the elevator machine room, the car, the foundation pit, the car roof, and the elimination control room.
(b) The provision and laying of pipes and lines from the elevator machine room to the fire control room of the system, and the system equipment shall be supplied, installed and debugged by the elevator manufacturer.
12 video surveillance systems
a) The video surveillance system should adopt a digital video surveillance system based on the IP network, which is uniformly powered by UPS.
b) Video surveillance is connected to the school equipment network, and independent VLANs need to be divided. The video surveillance network adopts a three-layer architecture, that is, the core switch - OLT (optical line terminal) - ONU (optical network unit) mode, and the optical fiber is connected to the ONU located in the weak current room of each floor through the optical splitter. Each camera is connected to the ONU located in the weak current room on each floor.
c) All color 1080P cameras are used. Different types of cameras about different functional areas.
d) The camera adopts six types of unshielded twisted pair cables, the backbone adopts optical fiber architecture, and the wiring system design must meet all relevant structured cabling parameters to meet the requirements of the integrated cabling system.
e) The video recording time shall not be less than 30 days, and some important areas, such as IT room and elimination room, need to keep the video for 90 days. The storage time should meet the requirements of the local public security department.
f) The school adopts a facial recognition system for the entrance and exit.
g) All entrances and exits, main passages, interior of the canteen, elevator hall, elevator car, canteen, canteen kitchen, finance room, theater, gymnasium, playground, dormitory, internal walkway of the teaching building, all classrooms, lane entrance, outdoor driveway, outdoor parking lot, underground parking lot, door to roof, computer network room, fire control center, door entrance of the main motor room, area/door at the junction with other plots, etc.
h) Adopt a 46-inch large-screen splicing scheme and set up a total of 18 display screens in 3x6.
i) The main display and control equipment is set up in the monitoring center on the first floor of the gymnasium, and the storage and core switching equipment are set up in the network computer room on the first floor of the gymnasium.
13 security alarm system
a) in the financial cashier's room, archives and other important administrative rooms of the entrances and exits, cable broadcasting (television) center, network control room, hazardous chemicals and other important storage places, unattended transformer (distribution) room, water supply pump room, elevator room, communication room, air conditioning room and other important equipment room entrances and exits, unattended information center, security equipment and other important equipment room entrances and exits using intelligent alarm system, choose to install infrared microwave double detectors.
b) Emergency alarm device: in the guard room, student dormitory building (district) duty room, school (park) head's room, financial room, archives, network control room, security control room, etc.
c) The system has its own network and has an output interface, and the center is networked with the 110 alarm center. In the event of an alarm, the security management personnel shall report to the public security 110 alarm station by manual or automatic means.
d) Centralized management and monitoring of the anti-theft alarm system through the computer network system.
e) The system has an anti-disassembly function, and an independent power supply system is used to reduce the possibility of damage and avoid the impact of power supply failures of other systems.
f) The storage of information such as arming, disarming, alarm, and fault of the anti-theft alarm system shall not be less than 30 days.
g) The system is equipped with uninterruptible power supply (shared by UPS computer room), when the power supply system fails, UPS can continue to supply power to ensure the normal operation of the system.
h) The alarm host is set up in the fire control room.
14 electronic patrol system
a) Design an off-line electronic patrol system.
b) The system can automatically generate classified reports and print, analyze theft and dereliction of duty, and the storage of information should not be less than 90 days.
c) The system can be multiple, multi-line, multi-direction cross management, clear records, accurate, the use of a combination of personnel and technology to strengthen the internal management of the security team.
d) The main equipment is set up in the fire control room.
15. Access control management system
(a) The system adopts TCP/IP or bus communication mode, and the network access control can remotely manage, record and set the opening and closing status of the door.
(b) The access control system can be connected to the school equipment network and is divided by VLAN.
(c) Each access control unit is composed of access control, electric lock, exit button, power supply, glass breaking button, door magnet, etc., all access control must be with door magnetic feedback, and the opening and closing status of the door can be viewed remotely.
(d) Access control involving key areas can be combined with the camera linkage of the video surveillance system to retrieve images in real time.
(e) The access control equipment in the designated area of the management department can be opened and exited by face recognition and fingerprint recognition.
(f) access control installation location: the main logistics office, the principal's room, the principal's room, the chief cashier's office, the manned substation (distribution) room, water supply pump room, elevator room, communication room, air conditioning room and other important equipment room entrances and exits, non-open top-floor platform entrances and exits, chemical experiment warehouses, chemical laboratories, computer network centers, fire control centers, school (park) entrances and exits, etc.
(g) The software system has a card function, supports the consumption function, and the consumption machine setting area: dormitory, canteen, dormitory entrance and exit and other functional areas, which need to be combined with the canteen, restaurant, dormitory and other areas to deepen the decoration.
(h) The access control card device should support functions such as card swiping, face recognition, fingerprint, and QR code.
(i) The main control equipment is set up in the fire control room.
16 wireless intercom system
1) The wireless intercom system provides timely calls in the daily work of management departments, security and other personnel, so as to facilitate the staff to deal with related work or emergencies in real time and quickly.
2) Design a set of digital wireless intercom system, considering 4 channels, to meet the requirements of the project. Specifically, multiple groups of calls can also be realized according to the needs of property management.
3) Sufficient antennas should be provided, and the relevant equipment and accessories should ensure that the wireless intercom signal can cover all areas, including all floor stairs, elevators, elevator halls, all public areas, mechanical and electrical equipment rooms, outdoor fire escapes, and areas within the surrounding red line.
4) The number of walkie-talkies and related equipment can be determined by the property management according to the number of engineering personnel and security personnel, including belt buckles, holsters, chargers and related accessories.
5) The networking and frequency of the wireless intercom system must be approved by the local radio commission or relevant departments.
6) The antenna distribution system is connected by passive components, which requires beautiful appearance and reduces the failure rate.
17 perimeter alarm system
1) Mainly use 6-wire tension electronic fence perimeter fence. and set up a camera to look around the perimeter walled area.
2) Infrared beam fence entrance and exit area use.
3) It can be linked with monitoring, when the alarm is given, the camera turns to the corresponding position to start recording.
4) The host equipment is set up in the fire control room.
18 energy metering systems
1) The energy metering system needs to be confirmed according to the form of the property management system to confirm the measurement of water, electricity, gas and air conditioning in the school.
2) Air conditioning system: The air conditioning system sets up an energy meter on the inlet and return pipes of cold/hot water, and the data is collected by the center through the 485 bus, which is implemented by the HVAC professional.
3) Hydropower: Hydropower is provided by electromechanical meters and water meters with remote transmission function, which is a set of its own system, and the data is connected to the energy metering system in the form of interfaces, which are implemented by water and electricity professionals. Realize that users can self-service payment, water and electricity balance inquiry, and low water and electricity bill balance early warning on mobile phones.
4) Steam: Meters need to be set up in independent areas that require steam, such as the main pipe of the swimming pool machine room, the main pipe of the laundry room, the main pipe of domestic hot water, and the humidification of the air conditioning system, which shall be implemented with the cooperation of mechanical and electrical related professionals.
5) Gas: The meter is set by the gas company.
6) The specific position and area of the meter should be determined according to the mechanical and electrical detailed design drawings.
19. Building automation control system
1) The building automation control system is a comprehensive system composed of centralized monitoring, control and management of cold and heat sources, air conditioning, ventilation, water supply and drainage, power transformation and distribution, lighting, elevators and other equipment.
2) The system mainly implements comprehensive automatic monitoring, control and management of the operation, safety status, alarm signal, energy use status and energy saving of the equipment in the project building, so as to achieve the purpose of safety, energy saving, comfort and optimal management, and meet the requirements of operation and management.
3) All local controllers and computers must have a 2-hour uninterruptible power supply (UPS).
4) The central control host is located in the fire control center.
5) The equipment in the BAS system should be programmed with an open protocol system, suitable for future upgrades, and all elements of the system should be modular in design to be able to increase capacity in the future.
6) The DDC should have its own battery, and the setting parameters and time should be able to be stored for at least one month after power-off.
7) Each DDC controller should have 15% redundant input and output points.
8) The building automation control system mainly monitors and manages the following systems (but not limited to):
a) Monitoring and monitoring of air conditioning cold and heat sources
b) Air conditioning (fresh air) unit monitoring
c) Fan coil unit monitoring in public areas
d) Mechanical blower monitoring
e) Water supply and drainage system monitoring
f) Substation and distribution system monitoring
g) Lighting system monitoring
h) Elevator surveillance
9) The electromechanical systems connected to the BAS system by means of communication interface mainly include (but are not limited to):
a) Elevator system interface (only monitoring but not controlling)
b) Lighting system interface
c) The interface of the refrigeration unit
d) Interfaces to boiler systems
e) Substation and distribution interfaces
f) Electricity metering interface
g) The interface of water meter metering
20 smart lighting systems
a) Modern buildings have higher and higher requirements for lighting, and the realization of dimming system can not only save energy, prolong the service life of lamps and lanterns, reduce the operating costs of schools, but also create a different lighting environment and feel elegant and comfortable atmosphere. According to the use function of the school's common areas, it provides perfect lighting control and management methods for the school's corridors, cafeterias, meeting rooms and other areas.
b) The system is designed synchronously by the secondary electromechanical design.
21 uninterruptible power supply system
(a) The consumer control center is set up with 2 sets of UPS, one for the use of the fire protection system (provided by fire subcontracting), and the other group for the use of the security system with a centralized UPS with a capacity of 40KVA, for the security equipment of the fire control room and the security equipment of the weak current room. When connected to the emergency power supply, backup for at least 2 hours.
(b) A group of UPS is set up in the computer network center, and a total of 2 40KVA UPS are designed to supply electricity for the network equipment in the computer room and the weak current room. The specific capacity is based on the actual equipment configuration, and when connected to the emergency power supply, the backup is at least 2 hours.
(c) A 40KVA UPS is set up separately in the teaching building, a 10KVA UPS is set up separately in the kindergarten, and a 30KVA UPS is set up in the 4# building of the middle school dormitory for the electricity of the network equipment in the weak current room in the two buildings. The backup time is 2 hours.
22 computer room project
(a) The construction of the computer room is a set of construction, electrical equipment, computer equipment, installation technology, network intelligence, communication technology and other aspects of the integration of technology, the design and construction of the computer room in the computer environment is directly related to whether the computer system in the computer room can operate stably and reliably.
(b) The engineering content of the computer room project mainly includes:
i. Computer room decoration system
ii. Power distribution system of the computer room
iii. UPS uninterruptible power supply system in the computer room
iv. Lightning protection and grounding system in the computer room
Air conditioning system in the V computer room
(c) The computer room project mainly includes the following areas:
i. School computer network room
ii. School Fire Control Center
(d) Design requirements for the computer room
The design of the computer room should be designed in accordance with the requirements of the "Code for the Design of Electronic Computer Room" and other specifications.
ii. Try to achieve spacious, not depressing, after the decoration of the clearance height (refers to the raised floor surface to the ceiling height) of about 2.5 meters ~ 3.0 meters is ideal.
iii. Computer network rooms and security control centers need to be dustproof, shockproof, static, water-leakage-proof, heat insulation, heat preservation, fire prevention and other purposes.
iv The ceiling is laid with microporous aluminum ceiling strip panels, the floor needs to be laid with a frameless electrostatic floor, the wall is decorated with latex paint, and the partition in the network room is made of fireproof glass.
V power distribution room leads 2 power supplies into the security control center and computer network room, requiring three-phase five-wire cables. The power supply of lighting fixtures, air conditioning equipment, and auxiliary power supply in the computer room is powered by the mains. It is directly drawn from the main distribution cabinet of the mains. The weak current system equipment needs to be powered by the PUS.
vi computer network room and fire control room are equipped with two UPS and backup batteries according to actual needs.
The illumination of the main engine room of the vii computer room reaches 500LUX, and the illumination of the rest of the areas reaches more than 300LUX.
viii Within the scope of the computer room area, the design wall is equipped with auxiliary power sockets every 10~12 square meters, and its power supply is drawn from the leakage protection switch in the mains power distribution cabinet.
The power supply of the ix computer room implements three-level power lightning protection. Protection against direct lightning strikes can be achieved through project-related measures. The lightning protection of the power supply in the computer room is mainly for the protection of induction lightning and various operating overvoltages of the power system.
x The grounding system of this computer room is designed to adopt the joint grounding method, and the electrostatic grounding copper bar should be laid under the anti-static floor of the computer room area, and it should be connected to the comprehensive ground of the building or the safety place of the computer room after making a good electrical connection. The metal shells and conduits of all equipment in the computer room are uniformly grounded to prevent the accumulation of static electricity generated by the computer.
xi. There shall be no other unrelated pipelines crossing the weak motor room.
xii The weak motor room shall not be adjacent to large electrical equipment to avoid electromagnetic interference. For example: large engines, elevator machine rooms, transformer rooms and other areas.
XIII needs to ensure that the air conditioning system of the computer network room and the fire control center can supply temperature and humidity and can run 24 hours a day to meet the temperature and humidity requirements of the computer room.
Introduction to the latest boutique information
This set of weak current data summarizes a large number of technical documents, 313 PPT schemes, 279 standard specifications, 60 design schemes, 119 drawings and materials, 8 sets of construction drawings, 20 sets of bills of quantities, 20 construction organization designs, 69 visio topology diagrams and tiles, 54 excel sheets, complete construction process documents and acceptance documents, etc., which are very comprehensive.
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