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Introduction and Manufacturing Process of Energy Storage Connectors

Date:2024-06-18 21:37:34Click through rate:140

The energy storage battery connector can be used for wiring energy storage systems, energy storage batteries, lithium power sources, solar energy storage systems, and various other energy storage devices.




What are the advantages of energy storage connectors




1. Improve production processes


Energy storage connectors simplify the assembly process of electronic products. It also simplifies the mass production process;




2. Easy to repair


If electronic components malfunction, the faulty component can be quickly replaced when installing the energy storage connector;




3. Easy to upgrade


With the advancement of technology, components can be updated when installing energy storage connectors, replacing old ones with new and better ones;




4. Improve design flexibility


The use of energy storage connectors provides engineers with greater flexibility in designing and integrating new products, as well as building systems from components;




Interface method between energy storage connector circuit boards




The interface methods between energy storage connector circuit boards are different, and their types are also different. Each type has its own characteristics. The following is a brief and detailed introduction to these aspects:


1. Pin and plug arrangement. Mother sorting and needle sorting are relatively inexpensive and common interface methods, applied in low-end, large-sized intelligent products, development boards, debugging boards, etc;


Advantages: cheap and cost-effective, convenient, sturdy hard connection, strong overcurrent capability, conducive to wire bonding and testing;


Defects: Large size, difficult to bend, large spacing, unable to connect hundreds of pins (too large).




2. Some board to board connectors are used for compact products, with a higher pin density than row connectors. Application field: Widely used, basic intelligent hardware products are basically in use.


Advantages: Small body size, large number of stitches, able to make 40 stitches with a length of 1 centimeter (the same specification can only make up to 20 stitches).


Defect: The overall design must be fixed and expensive, and cannot be frequently plugged in and out.




3. Thickened board to board connectors that can be merged, disassembled, and inserted on the pin bank. Application scenarios: detection board, development board, large fixed equipment (such as main chassis wiring). Advantages: It is cheap, cost-effective, and common to use it together with pins, and it is very convenient to connect and measure accurately. Defects: Not easy to repair, large size, not suitable for mass production scenarios.




4. FPC connector insertion/ZIF connector. Many smart products and devices require data signals to be pulled out of the computer motherboard, and FPC is a very good choice due to its small size, flexibility, and versatile shape. Application scenarios: bending of power circuits, connection between computer motherboards and external devices, connection between auxiliary boards and computer motherboards, and tight indoor space of products. Advantage: Compact and affordable.


Connection form of energy storage connector plug




1. Screw connection method of energy storage connector plug


This is a common connection form used in connectors with larger contact sizes and connectors that operate in strong vibration environments. This connection form can be equipped with a fuse or nut to prevent loosening after the connection is completed. This connection form is reliable, but the connection and removal speed is slow.




2. Energy storage connector plug bayonet connection method


This is a reliable and rapid form of connection and separation. Most electrical connectors with the 121 card connection form have a visual display of correct connection and locking, which can be observed from the small hole on the side of the connector nut.




3. Plug and unplug connection method of energy storage connector plug


This is a versatile form of connection. The direction of movement of the plug and socket of an electrical connector during connection and disconnection is usually a reciprocating linear motion, without the need for twisting or rotation, and only requires a small working space to complete the connection and disconnection. There are two common types of plug-in connections: ball or pin structures. This type of connection does not have a mechanical labor-saving mechanism. Once mistakenly inserted, the mechanical resistance increases significantly and can be detected in a timely manner.




4. Connection method of energy storage connector plug cabinet


This is an electrical connector used on devices that require blind connection near the frame, which can make electrical equipment lighter, smaller, easier to maintain, and more reliable. This connection form makes it impossible for the operator to feel the connection, and a precise positioning device must be designed to avoid forcibly connecting the mistakenly inserted connector plugs together, making it impossible to insert them incorrectly. The connector plug usually adopts a floating or elastic contact design structure to ensure its correct connection.

Characteristics of energy storage connectors


Energy storage dedicated connector


1. The energy storage battery connector has the characteristics of high temperature resistance, voltage resistance, chemical corrosion resistance, and high cleanliness.


2. With high reliability, precise positioning, low noise and vibration, strong impact resistance, easy installation, and high reliability, it is widely used in various power systems with high requirements.


3. Exquisite workmanship, high strength, stable quality, good protection effect, good ventilation, high temperature resistance, safety and reliability, voltage resistance and other characteristics can greatly shorten the replacement and fixing time, and are easy to disassemble




Brief Description of Manufacturing Process for Energy Storage Connectors


Many people think that there are too many types of energy storage connectors, and the manufacturing process should be different. In fact, the manufacturing process of energy storage connectors is basically the same, which can be divided into four manufacturing processes: stamping, electroplating, injection molding, and assembly.




1. Stamping


Stamping is the process of stamping electronic energy storage connectors (pins) from thin metal strips using a large high-speed stamping machine. One end of the large coil of metal strip is fed into the front end of the stamping machine, and the other end passes through the hydraulic worktable of the stamping machine and wraps around the winding wheel. The metal strip is pulled out by the winding wheel and rolled up to punch out the finished terminal.




2. Electroplating


After the stamping of the pins of the energy storage connector is completed, it should be sent to the electroplating stage. In the electroplating stage, the electronic contact surface of the energy storage connector will be coated with various metal coatings, such as nickel plating, tin plating, and semi gold plating, to prevent oxidation and enhance conductivity. During the process of feeding the stamped pins into the electroplating equipment, the pins may also twist, break, or deform. These quality defects can be easily detected through the above-mentioned techniques.




3. Injection molding


Injection molding refers to the process of injecting molten plastic into a metal tire film and rapidly cooling it to form the plastic box seat of an electronic energy storage connector.


Attention should also be paid to detecting 'short shoots' when the molten plastic is not completely filled with the film, which is a typical defect that needs to be detected during the injection molding stage. Other defects include complete or partial blockage of the sockets (these sockets must be kept clean and unobstructed in order to correctly connect with the pins during final assembly).




4. Assembly


The final stage of manufacturing electronic energy storage connectors is the assembly of finished products. There are two ways to connect and assemble electroplated pins with injection box seats: the first is to insert them separately, that is, to insert one pin at a time;


The second type is a combination plug, which refers to simultaneously connecting multiple pins to a box socket. Regardless of the connection method used for assembly, ensure that all pins are not missing and must be positioned correctly.


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