【School】 KBG weak galvanized metal pipe buried --- Power By weak home network 【China】.

<br> <BR> 1.1 <BR> 1.1.1 Construction for the project engineer who <BR> 1: responsible for project deployment, progress and technical guidance. <BR> professional construction staff 2: responsible for project specific work. <BR> .safety and quality supervisor 1: responsible for project quality control and safety of civilized construction. <BR> 1.1.2 Tools <BR> road cutting machine 1: Cutting on the concrete pavement to sense the coil slot. <BR> wiring piping tools .1 set. <BR> professional connection debugging tools 1 set: including pressure pliers, multimeter, resistance meter, and computer. <BR> 1.1.3 Environmental <BR> AC220V 2000W construction site temporary power supply (100 m range). .<BR> water source (within 200 meters). <BR> good ventilation. <BR> no construction debris piled up the surface. <BR> 1.2 cut and make sense coil <BR> vehicle detector and the sense of .Parking Management System in the coil is an important part, which directly affects the stability of the entire work system operation <BR> effect, so the production of sense coil is a very important project during the installation of a working link. making and the sense of <BR .> consider the following points before loop: <BR> 1, the range around 50 cm can not have a lot of metal, such as manhole covers, rain cover and other groove. <BR> 2, around 1 meter range of not more than 220V .supply line. <BR> 3, making multiple coils, the coil and the coil is greater than the distance between the 2 meters, otherwise it will interfere with each other. <BR> 1.2.1 <BR> cutting sense coil slots in accordance with the drawings .good road planning and the sense of the coil size of the lines, lines with a road cutting machine by cutting a square coil <BR> tank requirements: <BR> parking lot in the sense coil size is generally 1.8 m wide, 1.2 meters long or so, .<BR> corner cutting chamfer 10 cm X10 cm, cut at right angles to prevent the coil of solid concrete. <BR> groove depth of 4 cm, slot width of 0.5 cm coil, coil lead trough 1 cm width, depth .<BR> width should be uniform and should avoid suddenly suddenly shallow depth, the situation suddenly wide suddenly narrow. <BR> cut tank can not be completed with debris, in particular, can not have hard, rinse with water first, and then .drying. <BR> coil lead to a sense of groove to be cut to the refuge of the range, to avoid the leads exposed in the road. <BR> 1.2.2 <BR> buried sense coil and the coil tank cleaning and drying after a good cut, a timely .buried coil, to prevent the debris fall into the tank. <BR> as follows to make sense of the coil: <BR> 1. the best argument in a clean trough at the bottom of coils and 0.5 cm thick layer of sand to prevent the constant, daily slot .<BR> bottom edges cut hard wire. <BR> 2. Select the appropriate coil wire, requires: diameter greater than 0.5mm2 in a single soft copper, skin abrasion, high temperature, <BR> water, such as .Select fire wire. <BR> 3. clockwise direction in the coil into the slot 4 to 6 turns (circles) wires, coil the larger the area, turn (circle) the number of the less. <BR> wire into the slot .should be loose, can not have stress, but also pressed for a turn to the bottom of a Zade. <BR> 4. Coil Lead twisted clockwise into the lead tank, to remain in refuge side outlet 1.5 m long .Line <BR> head. <BR> 5. compaction of coils and the lead in the slot, the best upper 0.5 cm thick layer of sand to prevent the coil temperature of the skin by high <BR> melting. <BR> 6 .. with the melting of the hard asphalt or epoxy cast coil and wires have been introduced into the groove. <BR> slot cooling solidified casting surface subsidence will continue to cast, so that repeated several times until the troughof the casting after cooling and solidification .together with the road surface level <BR>. <BR> 7. testing the coil resistance and insulation resistance, verify the coil is available. <BR> 1.3 piping <BR> Buried in the concrete pedestrian refuge to the use of PVC pipe threading .wire tube, not only will not rust, and easy to wear slip wall <BR> line. other threading pipe should be used under the Fire Code metal threading tube. <BR> piping in accordance with wiring diagrams and installation location plan, the following steps to laying .Threading pipe: <BR> 1, the first arrangement of pedestrian refuges to be Buried in the threading in the tube. the location of the equipment installed to determine the beginning and end of pipe threading <BR> points, start and end of each tube were to use the spring bend .device into a 90-degree elbow bend, bend some of the equipment installation location of the center of the security focus <BR> tied up and leads upward. terminations to 30 cm above the ground, when the nozzle closure to the Pro <BR> .blocking to prevent the pouring of concrete when the debris fell into. need to pipe joints are to use special glue sealant prison. <BR> 2, in the refuge range cloth tube to tube to a reasonable arrangement, arranged in a fixed tube is strictly prohibited .expansion of the device to play the position of the screw holes <BR>. <BR> 3, cloth into the mouth, between the pipe threading export. determine the beginning and end of pipe, laying KBG galvanized metal pipe, the connection <BR> .junction box located 86. KBG metal pipe and PVC pipe refuge leads to the docking, we should also use the <BR> 86 junction box. <BR> 1.4 <BR> making concrete safety island safety island car park management system is equivalent to building the foundations of houses .not only the stress of work load devices (especially <BR> stress up to several hundred of its Barrier kg), and to protect equipment and lines, also regulate traffic into and out of the lane, making work a more professional appearance <BR> way. .Therefore, the production will directly affect the refuge system's performance. production refuge following steps: <BR> 1, by drawing lines of planning the shape of a pedestrian refuge. <BR> 2, if the ground is built on soft soil islands, shall .ground deepened 50 cm, and concrete pouring; <BR> if very thick concrete or stone floor construction of pedestrian refuges to be made every 10 cm, the density of steel mesh, steel mesh and <BR> ground to depth. <BR> 3, .pedestrian refuges along the lines with wooden shapes from a high of 10 cm around the framework. <BR> 4, with cement, gravel, sand, concrete pouring ratio of 1:1:1 from the refuge with a wooden frame around, casting <BR> .After find out the horizontal plane. at least a week, waiting for concrete solidified completely dry, wipe with a high-grade cement <BR> flat surface refuges. <BR> 5, brush the side of the refuge 30 cm, yellow and black and white paint signs, such as drying ., the refuge has produced complete. <BR> 1.5 threading <BR> line is the foundation of electrical engineering, line laying, connecting the system directly affects the quality of the equipment can work properly, <BR> and affect the life of the equipment ., especially with a weak digital signal transmission line of electrical engineering for more <BR> high quality requirements, the system and line of work is good or bad effects of laying is reasonable, whether the norms are directly related, therefore, control the quality of wiring <BR> .important work in electrical engineering. I threading the following steps: <BR> 1. choose a qualified, tested, and parameters in line with national standards of the Shenzhen "United Jiaxiang" wire and cable. <BR> threading in before the wire .cables were first detected on-resistance and insulation resistance. <BR> 2. in accordance with the drawings in each line through the calibration tube lines, threading threading devices use special plastic, which can not wire, to avoid scratching the wall <BR> .the other wire or tube. <BR> 3. requires joint line, use the solder joints and heat shrink tube sets for the power cord, also wrapped in shrink tube tape electrical <BR> workers. <BR> .4. put on the line to once again test resistance and insulation resistance, if there are problems in a timely manner to be replaced. <BR> test good line pipe according to drawings marked with the number of line number. <BR> 5. put .All the lines, all outlet points tied a line to use cable ties, connection with the effective plastic tape wrapped to prevent rain water from entering <BR> ray tube. <BR> 1.6 <BR> install equipment in accordance with the drawings, the equipment .placed in a safe place to install their own island. placement of equipment should be protected the following lines: <BR> 1. in accordance with the drawings confirmed the device location is correct, the device with a pencil draw the base mounting holes on the mounting surface, and marked <BR> .note the center, then the device away. <BR> 2.'s hammer with a φ16 turned down the fight vertical mounting holes, hole depth of 10 cm, should be promptly transferred out of the debris clean up dry <BR> net, and playing .good hole should be free of debris. <BR> 3. the national standard specifications of the φ12 expansion screws into each mounting hole in the pressure and fixed with nuts, screws <BR> expansion requirements can not be fixed with a good nut turn together, and exposed .screw part should be less than 4 cm. <BR> 4. spin off the nut on the screw expansion and save the good, the equipment into the installation location, requirements are inserted into the baseof fixed <BR> screw holes. <BR> 5. .In each screw down a diameter greater than 20 flat washer and a spring washer, nut lock. <BR> 6. equipment fixed, the hand-push equipment, feel the level of fixed firmly. .<BR> 1.7 cable wiring diagram in accordance with the governing <BR> line number statement of purpose of each line, the wiring diagram of the control device will be connected to each line corresponding <BR> terminals: <BR> 1. more .first core-core cable wires in each tube labeled with the number of core number, and record the number and color corresponding to the core, which is the other end of electrical cable wiring <BR> basis. <BR> 2. Do not wire wiring .copper screw directly in the terminal, so easy to fall off a long time, and split the <BR> copper will reduce the signal transmission quality and cause short circuits. should be the ends of each wire with a special crimp tool to suppress gold < .BR> is taken over, and over the metal screw in terminals. <BR> 3. wiring clean up thoroughly after completion of the lint and other debris cut, especially the bare copper thread, so as not to become energized creating <BR> .short circuit damage to the device. <BR> 4. Banding terminals connected to organize and lead, the signal line and signal line classification, power cord and power cord are classified in order to avoid interference <BR>. <BR> 1.8 system debug <BR .> system debugging follow these steps: <BR> 1.8.1 Wiring check <BR> 1. AC220V power supply and ground wiring inspection: live, neutral, ground lines in the order; contact resistance of less than 0.1 ohms. <BR> 2 .. Communication Wiring Inspection: CAN-bus positive and negative; 120 ohm termination resistors; not branch. <BR> 3. Other connections check: computer, printer and other cables. <BR> 1.8.2 power <BR> 1. cash register power management device .: Refer to equipmentmanual, equipment should be working properly, communication is normal. <BR> 2. exporting equipment power: Refer to equipment manual, equipment should be working properly, communication is normal. <BR> 3. imported equipment power: Refer to equipment manual, .equipment should be working properly, communication is normal. <BR> 1.8.3 System Settings <BR> 1. cash register management device settings: Set the communication port, operator, time, fees, and number of parking spaces. <BR> 2. exported device settings .: Set the Export Control Machine Address (1 to 63, recommended for 2); set the vehicle detector sensitivity. <BR> 3. inlet device settings: Set the access control unit address (1 to 63, can not control the machine and export the same); set .<BR> vehicle detection sensitivity. <BR> 1.8.4 test run. <BR> 1. imported equipment test run: the entrance of trial functions, observe the entrance of the device is working properly. <BR> 2. cash register management equipment test run: .credentials and data entry test with trial and cash register management equipment, observation equipment, cash register management <BR> management is working properly. <BR> 3. export equipment trial run: Use entrance, cash register and data management experiments credentials trial exports of equipment, observe .<BR> port device is working now. <BR>.