1, first of all, must meet the Qi wireless charging standard Wireless charging inspection standard document ; Then the performance is good, charging safety is not hot, there are foreign body detection, overcharge protection and other functions wireless charge inspection standard document ; And it should be very convenient to use, for example, do not need to take off the phone case to charge, easy to carry; Then it must be a big brand, quality assurance; Finally, the appearance level must be high, to high-end atmosphere grade.
2, Yes. Apple Wireless ChargingThe protocol is qi, 12 series of wired charging support pd, but to buy a c port charger, Apple from the iPhone8 began to apply wireless charging, has only expanded the open 5W battery charging output power, compared with other mobile phones in the same industry, this output power is not high, belongs to an ordinary output power level.
3, for example, a standard Qi wireless charger may offer 5W charging, which is more than enough for most smartphones. However, more advanced chargers may offer 10W, 15W or even 20W of power to charge the deviceIt's much faster. However, the maximum charging speed of the device limits this.
4, remember, do not choose too high power, will cause some harm to the mobile phone battery. QI wireless charger standard is a standard that has been used for a long time. It has been in place since 2008, and most Android phones use this standard. Pay attention to the temperature of the wireless charger, a high-quality wireless charger is able to control the temperature below 40 ° C. To have a temperature control function, the temperature exceeds the appropriate range of automatic power off.
5, from tens of dollars to hundreds of dollars are there, Apple 8p wireless charger as long as it is in line with the qi standard. 6, Abstract: Wireless charging is a new technology, compared with the traditional data cable charging method, wireless charging can not be transmitted through the cable to charge the mobile phone, with safe and harmless, low power loss rate, convenient and other characteristics.
The following products require UL certification: lamps, household appliances, communications, power tools, wire and cable, etc. CPC certificationCPC certification is mainly for maternal and child products and children's toys, the main test requirements are as follows: (1) children's products must comply with the relevant rules and safety regulations, mandatory third-party inspection. (2) The examination must be carried out in a CPSC-accredited laboratory.
can only be applied to the corresponding finished product if the relevant licensing conditions are met. For example: switches, power supplies, printed wiring boards, transformers, wires, plugs, plastic materials are all approved objects. The three marks are respectively used on the products of three different services, and can not be mixed, otherwise it can be considered as counterfeit products. UL's services are based not only on U.S. UL standards, but also on Canadian standardsQuasi (cUL).
DOE certification is a mandatory certification of the United States Department of Energy, and the products in the list must be DOE certification, such as chargers, power adapters, televisions, refrigerators, air conditioners, etc. CEC certifies California's energy efficiency standards, and products sold to California need to meet CEC's energy efficiency requirements in order to save energy, improve efficiency and reduce greenhouse gas emissions.
As long as your products can meet the relevant standards, there is generally no mandatory requirement to do certification information, the government is non-interference, for such products as power adapters, do certified productsIf so, it will be better to sell, and the United States certification UL TUV ETL can do it! UL price expensive long cycle brand good TUV ETL is relatively cheap short cycle brand is relatively poor.
Positive answer The current safety certification on the US market are ul, csa, met, etc. ul is the most common, the most authoritative and the most recognized certification on the market. If your customers are concerned about authority and require ul certification, or you have high requirements for authority and have plenty of time, you can choose ul. ul has a high cost and a long certification period
Measurement characteristics test, communication protocol consistency test, conduction charge interoperability test, acceptance test/operation and maintenance test, etc., more detailed such as: Charge control function test, communication function test, insulation detection function test, DC output circuit short circuit detection function test, vehicle plug lock function test, pre-charge function test, display function test, input function test, etc., you can search day constant measurement and control to understand.
What are the items for on-site testing of charging piles? Charging pile testing equipment XL-942S testing items are: XL-942S charging pile testing equipment with XL-942S3603 load, meet the test requirements of metrology verification, interoperability testing, protocol consistency testing, and meet the requirements of the State Grid 45 document acceptance stage, the operation stage of the test project.
DC charging pile verification device XL-942S is a portable instrument designed for on-site testing of electric vehicle DC chargers. Its DC voltage measurement range can be up to 1150 V and DC current measurement can be up to 300A.
First of all, the AC charging pile test project includes the appearance inspection and functional testing of the charging pile. The tester will carefully check the appearance of the charging pile, including the integrity of the shell, whether the connector is intact, whether the display screen and buttons are normal. Next, the tester will carry out functional tests, including checking whether the switch of the charging pile is normal, and whether the current and voltage meet the standard requirements.
Qi wireless charging refers to the application of Qi wireless charging standard for mobile phones, cameras and other handheld low-power devices wireless charging technology in the way of electromagnetic induction. Qi Wireless charging standard by the Wireless Charging Alliance (Wireless Power Consortium, referred to as WPC, is currently the world's widely recognized wireless charging standard.
Wireless charging, that is, through electromagnetic induction to transfer electrical energy to the device that needs to be charged, so as to achieve a way of charging. The traditional way of charging requires the use of wires to connect the device and power supply, and wireless charging can eliminate the wire, eliminate the cumbersome plug and unplug process, more convenient and fast. In addition, wireless charging can also protect equipment and human safety, reduce the risk of electrification, and provide people with a more comfortable and safe life experience.
Qi is the world's first to promote wireless charging technologyThe "Wireless charging" standard launched by the Wireless Power Consortium (WPC), a standardization organization, has two characteristics: convenience and versatility. Different brands of products, as long as there is a Qi logo, can be charged with Qi wireless charger.
Qi standard: Qi is the world's first standardization organization to promote Wireless charging technology - Wireless Power Consortium (WPC) launched the "wireless charging" standard, with convenience and versatilityTwo big features.
Apple wireless charging protocol is as follows: Qi wireless charging protocol: Qi is the wireless charging standard launched by the International Wireless charging Alliance, most of the mobile phones, TWS Bluetooth headsets, tablets and other devices that support wireless charging are Qi wireless charging protocol. Since the iPhone 12, Apple has joined the MagSafe wireless charging protocol, which is essentially a private transformation on the basis of Qi, supporting magnetic absorption, and the power can be up to 15W.
1, charge output test: maximum constant power output test, power control test, low voltage auxiliary power supply test, output current response time test, output current stop rate test, efficiency test, power factor test.
2, Zhongke testing the institution to obtain the relevant qualification of charging pile testing, the test report can be issued with authority, rigor and other characteristics; It can guide the function of charging pile, charging output power and controlTest and other aspects of detection; And is committed to promoting the safe, efficient and environmentally friendly development of the new energy vehicle industry, providing quality services such as safety and acceptance of charging pile products, and providing testing services such as acceptance testing of charging piles and on-site testing of charging piles.
3, the country's new energy. As a manager, the charging speed, military-grade quality, sensitive networking system and extremely high cost performance can not only reduce the cost space, but also meet the high-intensive charging needs, the pile of integrated DC charging pile just design, the maximum efficiency of up to 180KW/h, suitable for large business parking lots, shopping plazas, highHighway charging stations and other places can meet a variety of charging methods such as one machine one charge, two charges.
4, hello, DC charging pile testing needs to test the following items: with the increasing number of new energy vehicles, charging pile industry also rises, for safety considerations charging pile testing is also one of the key projects. What are the main test items of charging pile detection? Noah explained: Charging pile testing is mainly divided into two directions, one is the detection of electrical parameters, and the other is the detection of compatibility.