For the installation plan of charging piles in underground parking lots, you can directly contact Shenzhen Hongjiali New Energy Co., Ltd. on 15919794865 to provide you with an overall solution for the installation of charging piles in underground parking lots, integrating R&D, production, sales, installation, and operation services of charging piles in underground parking lots. Standing
charging pile manufacturer. There are many types of charging piles for selection, such as electric bicycle charging piles, charging and changing cabinets, AC piles, DC piles, low-voltage DC piles, DC split piles, DC integrated piles, AC and DC integrated piles, etc.
1. Installation method of charging pile in underground parking lot
The underground parking lot is divided into "one-off construction" and "reserved installation conditions" according to the degree of equipment installation, as follows:
(1) "Reserved installation conditions" requirements: only reserve power capacity and installation space.
(2) "One-time installation and construction" requirements: At the time of acceptance and delivery, special transformers and cable trays should be laid in place, and the configuration of cables, distribution boxes, and charging facilities should be selected according to regional and marketing requirements.
(3) In the newly-built residential project, the proportion of the underground parking lot equipped and reserved. If special circumstances cannot be met, the reasons should be explained, and the final condition design approval document shall prevail.
(4) The
AC Charging Pile has the advantages of low price, small size, easy installation, area saving, easy maintenance, and suitable for night charging in residential basements. In principle, the charging facilities of "one-time construction" can be designed as AC charging piles.
2. Requirements for the placement of charging piles in underground parking lots
1. In order to facilitate the installation of equipment and the management and use of charging facilities, the charging parking spaces of "one-time construction" should be arranged as charging parking areas. The planning requirements are as follows:
(1) The charging parking area should be close to the charging power distribution room, and the charging power distribution room should not exceed 50 meters from the parking area.
(2) When the service straight line radius exceeds 200 meters, multiple charging parking areas should be set up.
(3) The number of centralized parking spaces in each charging parking area should not exceed 100.
(4) The charging parking area should be set up at the entrance and exit of the garage to facilitate fire rescue and vehicle access.
2. In order to ensure the safe use and convenient maintenance of charging facilities and power distribution rooms, the layout requirements are as follows:
(1) It should not be installed in a low-lying location where water is easy to accumulate.
(2) It should not be installed directly under the toilet, adjacent to the bathroom or other places where water often accumulates.
(3) It should not be installed in places subject to severe vibration or high temperature.
3. The arrangement of charging facilities should not hinder the driving and parking of electric vehicles, and the safety, operation and maintenance distances between them and electric vehicles and buildings (structures) should meet the following requirements:
(1) The arrangement of charging facilities should not obstruct the sight of drivers, and should not be installed in pedestrian evacuation corridors and passages.
(2) Anti-collision measures should be taken into consideration when charging facilities face the vehicle.
(3) In principle, wall-mounted installation or ceiling-mounted installation should be adopted.
(4) The installation form and location should consider the convenience of operation between the electric vehicle and the charging facilities and the convenience of parking. The specific requirements are as follows: the charging facilities should be arranged on the back of the structural column on the side of the parking space, and the opening of the door should not be affected after the installation is completed. The installation form is selected according to the width of the structural column and the width of the optional charging pile.
(5) When the charging facility is installed on the side wall of the parking space, the width between the side wall and the parking space should be ≥500mm. The installation location of the charging facility should be arranged at the front or rear of the car, and should not affect the opening of the car door; the charging facility should be installed at the rear of the parking space When the wall is installed, the parking space should be arranged against the wall, and the charging facilities should be installed in the center.
(6) When there are no civil installation components around the charging parking space, the charging facilities can be hoisted and arranged at the rear of the parking space.
4. The installation of charging facilities should meet the following requirements:
(1) The walls and brackets installed on the charging facilities meet the load-bearing requirements, and the charging facilities are reliably fixed.
(2) Charging facilities should be installed perpendicular to the horizontal plane, and the deviation of any direction from the vertical position should not be greater than 5°.
(3) The installation height of the equipment should be easy to operate, and the horizontal centerline of the equipment man-machine interface operation area should be 1.4m from the ground.
(4) The charging facilities installed on the ground in the basement should have an installation base, which should be larger than the outline size of the charging facility, and the height should be 1000mm higher than the floor.
3. General requirements for charging piles in underground parking lots
1. General design requirements
(1) There are 3 kinds of commonly used charging equipment: AC charging pile, power supply adopts 220V AC voltage;
DC Charging Pile, power supply uses 380V AC voltage; AC and DC integrated charging pile, power supply uses 380V AC voltage. (When there are special requirements in the region, the local requirements shall prevail)
(2) Charging equipment should have functions such as leakage protection, over-under-current, over-under-voltage, and over-temperature protection.
(3) The charging equipment should have an emergency shutdown function, and the charging gun should have a protection function for plugging and unplugging. The charging equipment installed outdoors should take lightning protection measures. The charging equipment should have an automatic cable take-up function to prevent damage to the charging cable caused by improper use.
(4) The selected charging equipment should meet the relevant requirements of the national standards, energy industry standards and the State Grid Corporation corporate standards, and meet the charging needs of different models. The charging equipment should be compatible with the charging function of the new/old national standard electric vehicle.
(5) Special electric vehicles need to be equipped with special charging equipment, and the owner shall apply to the property and relevant departments for implementation.
2. Power supply and distribution and low voltage system
(1) For newly-built residential parking garages (yards), when designing the power capacity of substations, the load capacity of electric vehicle charging equipment should be fully considered, and low-voltage power distribution circuits should be reserved or special transformers and power distribution systems should be reserved. position.
(2) The load calculation of electric vehicle charging equipment should be calculated according to the unit index method according to the number of electric vehicle parking spaces in the plan design stage. The calculation coefficient can be selected with reference to the following table.
(3) The load calculation of electric vehicle charging equipment should be carried out according to the specific parameters of the charging equipment using the demand coefficient method, and the value of the demand coefficient should meet the relevant requirements of national and local standards.
(4) The distribution power supply of electric vehicle charging equipment should be provided with a dedicated loop for power supply. The power supply loop of the charging equipment should be connected to the residential public transformer power distribution system or non-residential supporting special transformer power distribution system according to the requirements of the local power supply bureau.
(5) Electric vehicle charging equipment should adopt radial power distribution, and the power distribution system should achieve three-phase load balance.
(6) Suppressive measures should be taken to limit the harmonics of the power distribution system of charging equipment within the specified range.
(7) The wires (cables) and conduits of the power distribution lines of charging equipment should be selected according to the most economical principle, provided that they meet national and local standards. The specifications of wires (cables) should not be arbitrarily increased, and the material standards and specifications of conduits should not be arbitrarily increased.
(8) The illuminance value of the electric vehicle parking space area should meet the relevant requirements of national and local standards.
3. Metering, billing, monitoring and communication system
(1) The charging equipment should be equipped with metering electric energy meters, and the number of electric energy meters should meet the requirement of "one meter per pile". The distribution box for charging equipment should be set in a reasonable location according to the parking area of electric vehicles divided by the building.
(2) The charging equipment has an IC card reader or code scanning function to realize charging control and charging billing functions. The charging standards for charging equipment shall be implemented in accordance with the requirements of the local power supply bureau. Charging equipment should have multiple settlement methods.
(3) The charging equipment should be equipped with an Ethernet communication interface or a wireless communication module as required to facilitate the later network management of charging piles and the system networking with relevant management departments.
(4) Electric vehicle charging equipment monitoring and communication systems should be set up according to actual needs of the project. The monitoring system should monitor and control the power supply status, power quality, and operation status of power supply equipment. The communication system should be able to communicate with the superior monitoring and management system, accepting instructions from the superior monitoring and management system, and uploading data to the superior monitoring and management system.
(5) The control room of the charging equipment monitoring and communication system is incorporated into the comprehensive property management information platform, and no separate control room is set up.
(6) According to the project product portfolio (high-rise, small high-rise, multi-storey), carry out technical and economic comparison of water supply schemes, and the descending order of cost is: frequency conversion pressurization control system with water tank, direct connection water supply system without negative pressure pipe network, municipal administration Pressure is directly supplied, and multi-scheme combinations can be selected depending on the project situation.
