Connector common sense read this article is enough

Below, Huicheng yuan electronic connector company small editor for you to organize the connector of some common sense, basically after reading this you will be able to have a basic understanding of the connector. Mainly introduces the concept of connector, the basic structure and characteristics of the connector, the basic classification of the connector, the connector's development trend of the four aspects of the content. Connector is a more frequent contact with electronic engineers and technicians of a component. It is blocked in the circuit or isolated between the circuit, set up a bridge of communication, so that the current flow, so that the circuit to achieve the intended function, is an indispensable part of the electronic equipment. In the face of such an important thing, understand some of its basic knowledge is very necessary.

First, a brief introduction to what is a connector? Connector, generally refers to the electrical connector, that is, the device that connects two active devices, the transmission of current or signal. Connector in the circuit is blocked or isolated between the circuit, set up a bridge of communication, so that the current flow, so that the circuit to achieve the intended function. Connector is an indispensable part of electronic equipment, along the current flow path observation, you will always find one or more connectors. Connector form and structure is ever-changing, with the application object, frequency, power, application environment, etc., there are a variety of different forms of connectors. For example, the connector used to light a lamp on a ball field is very different from the connector used to light a hard disk drive, or the connector used to light a rocket. But no matter what kind of connector, it is important to ensure that the current flows smoothly and continuously and reliably. Connector connected not only limited to the current, in the rapid development of optoelectronics technology today, fiber optic systems, the carrier of the signal is light, glass and plastic instead of the ordinary circuit in the wire. Simply put, the connector is a kind of wire for the end to provide fast connect and disconnect device. Second, the basic structure and characteristics of the connector 1. The basic structure of the connector pieces are: ① contact; ② insulator; ③ shell; ④ accessories. 1) contact. Connector to complete the electrical connection function of the core parts. Generally by the positive contact and negative contact components composed of contact pairs, through the insertion of negative and positive contacts to complete the electrical connection. 2) insulator. Its role is to make contact with the required position and spacing arrangement, and to ensure that the contact between the contact and the contact and the insulation between the shell. Good insulation resistance, voltage resistance and easy processing is the selection of insulating materials processed into the basic requirements of the insulator. 3) shell. Also known as the shell, is harting connector outer cover, it is installed for the insulation of the mounting plate and pins to provide mechanical protection, and provide the plug and socket insertion and alignment, and then the connector is fixed to the equipment. 4) accessories. Attachments are divided into structural attachments and mounting attachments. Structural accessories such as snap rings, locating keys, locating pins, guide pins, coupling rings, cable clamps, seals, gaskets and so on. Installation accessories such as screws, nuts, screws, spring rings, etc. 2. The characteristics of the connector are mainly reflected in the following aspects: 1) Improve the production process. Connectors simplify the assembly process of electronic products. Also simplifies the mass production process; 2) easy to repair. If an electronic component failure, equipped with a connector can quickly replace the failed component; 3) easy to upgrade. With technological advances, equipped with connectors can update the components, with new, more perfect components instead of the old; 4) improve design flexibility. The use of connectors so that engineers in the design and integration of new products, as well as components to form a system, there is greater flexibility. Third, the basic classification of the connector connector has four basic classifications, it is classified mainly include: 1. cable connector such connectors can make the connector fitted with a cable and chassis connectors, through-the-wall connectors, or another fitted with a cable connector plug and play. 2. cabinet connectors such connectors are generally used in drawer cabinets, plug-in components and other difficult to connectors plug-and-play operation application Printed circuit connectors such connectors for printed circuit boards and cables, racks or chassis interconnections. 4. coaxial connectors in the RF and audio circuits, such as to maintain a stable, predetermined impedance and capacitance, or the need to shield the outside world of the electrical interference, it is necessary to interconnect with coaxial connectors. Fourth, the development trend of the connector connector products, "miniaturization", "high-speed mobile" and intelligent is the trend of future development. The connector industry's future technological innovation is mainly focused on: 1. Connector miniaturization technology, the technology is mainly for the connector miniaturization trend and development, can be applied to the following 0.3mm micro-small connectors, belonging to the MINI USB series of products of the new varieties. Can be used for multi-junction expansion slot connector, can reach and exceed the multi-junction surface adhesion technology on the joints of the strict requirements of the common surface, degree of high, low cost. 2. high-frequency and high-speed wireless transmission connector technology, the technology is mainly aimed at a variety of wireless equipment communication applications, the scope of application of the wider range of applications. 3. analog application of technological research analog technology is a wide range of disciplines and theories based on computers and their corresponding software such as AutoCAD, Pro / E program Stress analysis software as a tool, through the establishment of product models and the corresponding boundary conditions, its mechanical, electrical, high-frequency and other properties of the simulation analysis to confirm, thereby reducing the cost of product development failure due to material selection, structural irrationality and other factors, improve the development of the success rate, and help to provide support for the realization of the product of the complex system applications. 4. Connector intelligent technology the technology is mainly used in the DC series of power connector products, in the transmission of power before the intelligent signal detection to ensure that the plug is inserted into place before conduction of the positive and negative poles and start the power supply, can be avoided due to the insertion of the plug is not in place that leads to contact and cause arc injury, burn the machine's adverse effects, the future of the enterprise needs to develop other products of a similar intelligent technology.5. Precision connectors Technology precision connector involves product design, process technology and quality control technology and many other aspects of the main technologies are: ① precision mold processing technology, the use of CAD, CAM and other technologies, the introduction of high-precision processing equipment in the industry, the use of personnel production experience and advanced equipment and technical means to achieve high-precision high-quality mold products; ② precision stamping and precision injection molding technology to achieve various types of stamping and injection molding parts Precision, high efficiency, stable all-round control and perfect surface quality to ensure product quality; ③ automated assembly technology, through the application of precision control technology, semi-automatic testing machine technology, etc., to overcome the problem of manual operation of precision products, improve core competitiveness. In short, with a variety of different forms of connectors in the automotive industry, computer communications industry and other applications continue to develop, the average annual growth rate of the connector in the double-digit or more, the market development is also expanding.

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