After cable installation-推荐下载

After cable installation, should check whether there is any damage on optical fiber, and the loss of fiber optic cable laying of parking; Make sure no damage, and then succeeded. After the cable laying, appropriate measurement channel total loss, and fibre channel to the waveguide optical time-domain reflectometer observation attenuation characteristic curve. For example, conference television system network related to the transmission distance. With coaxial cable network in within 300 meters, 300 meters with the optical fiber transmission.

1 h414043 building intelligence engineering commissioning test requirements

After the completion of the building intelligence engineering construction, must carry on the system commissioning test, ensure system can enter the normal operation. The main topic is: this article building intelligence engineering test implementation; Detection of building equipment automatic monitoring system; Safety engineering commissioning test requirements.

A, inspection of the implementation of the intelligent building system

1. By construction unit (or engineering contractor) to the inspection agency application system, at the time of going through the formalities for detection of entrust, as-built documents shall be submitted to examination organization system technical documents (including equipment), system test report, project contract technical files, system design, etc.

2. The equipment used in building intelligence engineering, materials, interface and software of the project such as functionality, performance, testing should be according to national standards and design requirements and provisions of the contract.

3. The intelligence engineering test should be according to the contract of engineering technical document and construction drawing design, design change description, regarding the record, product technical documents.

4. The testing scheme should be in line with the engineering construction quality acceptance of norms, and according to the specific content of intelligent systems and requirements, a clear system of the test items, their positions, technical index, the number of detection, detection methods, and time and steps, etc., and formulate system detection

scheme.

5. When the test system, should also provide equipment in the inspection records, concealed engineering acceptance report, installation quality and visual quality acceptance record, equipment and system self-check, system commissioning record, project negotiation, etc.

6. System testing for focusing on intelligent systems, can also according to the progress of the test to each subsystem respectively;

The number of sampling observation can according to the requirements of the client, all inspection or sampling, but should not be lower than the requirements of the construction quality acceptance specification.

7. The system size and function of each project, engineering detection project should cover the main functions of the engineering design, so that the main characteristics of system a comprehensive inspection.

8. In the test, if there is any unqualified items and retest, in the test report shall be marked on the content of the survey and the results. For quantitative detection of projects, each point in the same conditions must be read values above 3 times.

Second, building intelligence engineering test requirement

(a) communication network system testing requirements

1. Detection of telephone communication system

Telephone communication system detection by the system checks at the beginning of testing, test testing and commissioning acceptance test of three phase.

System check test projects including installation environment and equipment installation acceptance inspection, electricity test hardware and hardware inspection before test, system function test, system maintenance management, network support, simulation test, etc.

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2. Cable TV system testing

Cable TV system image quality of subjective evaluation and objective testing; Testing the data communication, video on demand, by playing, and other functions.

3. The radio sound system testing

The impedance matching between the radio equipment, the highest output level, the output signal-to-noise ratio, sound pressure level and frequency width of detection. Fire radio and public radio Shared equipment, fire broadcast with the highest priority, the fire and accident occurs, should be forced to switch for fire radio and broadcast at maximum volume.

(2) the information network system testing requirements

Detection: 1. The network reliability testing, testing features, response time testing and testing network bottlenecks.

2. The computer network system testing: network equipment testing, functional testing, performance testing and testing each other.

(3) the integrated wiring system testing requirements

All fiber optic cabling should check, twisted pair wiring in the proportion of not less than 10% of the random sampling inspection, sampling points must include the farthest wiring. Integrated wiring system performance testing should be used special test instrument to test the system's each link.

Fiber optic cable to the construction site, for example, to test the fiber attenuation constant and the fiber length.

(4) the detection requirements for fire alarm and fire linkage system

Automatic fire alarm and fire linkage system should be independent of the system. Automatic fire alarm and fire linkage system testing should be according to the automatic fire alarm system "specification for construction and acceptance of CB50166 provisions. When the automatic fire alarm and fire linkage system and other systems have relationship, should detect fire control room to interface with other systems and communications functions.

(5) construction equipment monitoring system debugging test requirements

1. Detection of ventilation and air conditioning system debugging

Automatic regulation of air valve to control the new air volume air conditioning system and the size of the supply air volume; Automatic adjustment of water valve to control the supply air temperature (return air temperature) to achieve the set value; The humidifying

valve automatically adjust to control air relative humidity (return air relative humidity) to set value; To filter differential pressure switch alarm signal to determine whether you need to clean or replace filter; Fan failure alarm monitoring and the corresponding safety chain control; Electric chain and antifreeze chain control and so on.

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2. Distribution system commissioning test

The high and low voltage switch variable power distribution equipment running condition and fault alarm; Power supply and main electric circuit of current value display, power supply voltage, power factor measurement, energy metering, etc.; Transformer overtemperature alarm; Emergency generator power supply current, voltage and frequency and oil tank level monitoring, fault alarm. Working state uninterruptible power supply, battery and charging equipment working state detection.

3. Public lighting control system commissioning test

Different parts of the lighting equipment, control respectively; Public lighting, to make use of the computer monitor, to meet the necessary lighting requirements.

For example, with the light, time and so on as the basis for public lighting monitoring (public areas and landscape) detection.

4. Water supply and drainage system commissioning test

Water supply system, drainage system and water level and pressure parameters and the pump running status detection; Automatically adjust the water pump rotation speed; Water pump powerstation switch; Fault alarm and protection.

5. The boiler plant commissioning test

Export hot water boiler temperature, pressure, flow rate and heat source system function test, heat exchange system function test.

6. Refrigeration and cooling water system commissioning test

Water chillers, frozen water pump, cooling water pump, electric valve and cooling tower function test.

(6) security system debugging test requirements

1. Commissioning test conditions

(1) safety engineering testing, shall be carried out in front of the system after the commissioning, completion inspection and acceptance. B. unit applying, and main technical documents and materials submitted. Safety engineering inspection shall be the legal institutions to implement. Approved by the ministry of public security and security engineering inspection agencies authorized by the implementation of detection. Technical documents shall include: engineering contract, formal design file, the system configuration block diagram, design change, change audit sheet, engineering contract equipment list, change the equipment list, take cover engineering of the acceptance certificate, the main equipment inspection report or certificate, etc.

(2) before the system debugging, has compiled the debugging outline, equipment layout, circuit diagram and other technical documents. Debugging work should be responsible by the project or have equivalent to engineer's qualification of professional and technical personnel.

Intelligent systems, for example, because the file is not complete, can give a system installation, debugging and normal running brings a lot of trouble and difficulties, the adjustment of the intelligent building system is a very professional job.