Cable use scope

Power system
Wire and hdmi cable products used in the power system mainly has the overhead bare wire, bus (bus), the power cables (plastic cable, oil paper power cable (basically replace the plastic power cables), rubber set of cable, aerial insulated cables), branch cable (instead of part of the bus), electric magnetic line with electrical equipment and power equipment wire and cable etc..
Information transmission system
For information transmission system wire and cable are mainly telephone cable, TV cable, electronic cable, radio frequency cable, fiber optic micro hdmi cable , data cable, electromagnetic wire, electric power communication or other composite cable.
Mechanical instrumentation system in addition to this part of the overhead bare wires outside almost all other products are applied, but the main power cable, electromagnetic wire, data cable, instrumentation cables

The introduction of fixed head

Cable sealing sleeve is a suitable connection cable power supply, also can protect the cable, so it won't escape. Cable sealing device is placed in different categories,depending on whether the glands for general processing industry or in need of protection, prevent the risk is too high or the explosion temperature. Into the armored cable glands or no armoring layer and a different type of gland will be required for each variety. The gland itself, can be made of metal, such as copper or aluminum, or plastic, the material is useful in different environments.

When the electrical work is completed, it may be no cable sealing, to ensure theelectrical equipment wire, but there are several reasons, this is a bad idea. Glandsprovide sealing power, so as to ensure that the RCA audio cable will not slip during operation.Security is also provided, because the cable gland to ensure that electricity can not attached to anyone nearby, causing bodily harm. Glands usually provide other safety features, such as the earth wire or insulated cable.

To have two categories: Industrial and hazardous for RCA video cable sealing. Industrial cablesealing joint is a general use of the gland, in order to meet the requirements ofgeneral risk, so it is useful or dangerous explosion in high-temperature environments.If the environment is harmful substances, the use of dangerous gland, because these glands to meet additional requirements necessary. They are fortified with extra, so that they can resist common glands cannot withstand the temperature and external forces.

Two types of cables can be sealed sleeve is classified as armored or unarmoredcable into, which will play glands work will rebound. Armored cat6 ethernet cable will need a gland,can clip into the wire, and the ability to terminate the energy from the armor part. Nonarmoured line does not require termination, but the glands need highly protected andpreserved, in order to maintain the safety of wire.

Most cable gland cell is made from brass, which is considered, as a general materialis resistant to corrosion and electrical conductivity. In the aluminum and the presence of moisture at the same time, the corrosion of brass can start. Brass is often associated with other metal plating, to make the gland is stronger, better corrosion.Plastic is often used as an alternative to metal glands.

Analysis of high-end power WISDOM mini hdmi cable market situation

Power cable wire and cable industry is very nervous product. With the acceleration of the growth of China's power grid construction and the process of urbanization , the demand for high-voltage 110kV and above -grade power cables rapid growth , has become a hot strength of  WISDOM dvi to hdmi adapter some cable companies competing investments.
Due to the high voltage cable high voltage grade , the focus will be mainly used for emphasis or large enterprises, once produced quality issues at stake , therefore , WISDOM mini hdmi cable either 110kV or 220kV power cable power cable , a user in the tender bid is the most favored performance products. State Grid Corporation of the system is a major user of high-voltage cables , the State Grid Corporation of its tender by the tender center unified structure , requirements must be judged by the pre- trial Wuhan High Voltage Research Institute .
Profit from the current power cables look , WISDOM mini hdmi cable in low voltage power cables due to the excess capacity is tight , intense market competition , product profits have been minimal. Profit  hdmi switch nearly two 110KV high-voltage cables are also gradually began to decline , profit 220KV and 500KV EHV cables in the next few years should be to maintain a high level.
 Therefore, experts launch of EHV cable companies and relevant research institutions should increase EHV cables and cable accessories materials research and development process , the early realization of  WISDOM hdmi wall plate localization skills to seize the commanding heights of the high voltage power cable , cable to revitalize our national industry .

Grasp the common coaxial mini hdmi cable, cable types and characteristics

1 Consider transmission attenuation : the case where a high floor, and distant from the monitoring center should carefully consider the transmission attenuation problem. When selecting cables, we all know  WISDOM cat6 keystone jack better than Thick thin cable , but should also be aware SYWV physical foaming cable SYV than solid cable , high- series cable is superior to low- programmed cable , copper cable is superior to " Copper Clad " cable, copper is better than aluminum-magnesium alloy netting netting . -
. 2 mini hdmi cable high frequency attenuation concern : the low-frequency component of the brightness / contrast attenuation easy to find and solve the most important cable transmission characteristics that the higher the frequency the greater the attenuation , high frequency attenuation mainly affect the clarity and resolution, paying particular attention to summary of the observation method of image quality . Cable characteristics and laws in this regard are : Thick better than thin cable , foam is better WISDOM barrier terminal block  than solid , but the same type of "high- and low- compiled code , like high frequency attenuation .
3 Consider mini hdmi cable life: the flexible cable is better than regular cable , thin cable is better than thick cable ; still one of the most easily overlooked problem : Cable adhesion between the layers , that is, when the cable between the layers lengthwise force in the opposite direction , relative sliding occurs whether the high-level elevator cable length up to 100 m perpendicular to the wiring , the cable outer sheath is fixed to the trailing cable , which is a "soft fixed," allowed cable deformation constant ( destroy coaxial ) , so that , in the reciprocating movement of the elevator within WISDOM fiber optic cable  the cable layer , under gravity , will gradually " dip" , and slowly pulled off or wire braid , the performance of the signal gradually weakened, increasing interference ; there is no such standard cable technology , a simple way to check is to take a meter cable , peel the layers at one end , one hand holding the ends of the cables , another person with pliers to pull the inner cable : in order to pull wire, insulating layer , woven mesh , the size of adhesion experience to make a reasonable estimate , poor adhesion , easy sliding try not to choose. The performance of many of the cable is not good , should be carefully chosen .

mini hdmi cable varieties introduced

Thin cable diameter of 0.26 cm , the maximum transmission distance of 185 meters , when used with a 50Ω termination resistors , T -connector , BNC connector is connected to the network card, wire rod and  WISDOM displayport to hdmi cable connector costs are relatively inexpensive , and does not require the purchase of equipment such as hubs , very suitable for erection of terminal equipment are concentrated in a small ethernet . Cable length of not more than 185 meters , otherwise the signal will be severely  WISDOM 90 degree hdmi cable attenuated. Thin cable impedance is 50Ω. Thick cable (RG-11) has a diameter of 1.27 cm , the maximum transmission distance of 500 meters . As the diameter is quite rough , so it's less flexible, is not suitable for a narrow set in the indoor environment, and RG-11 connector is making way too many relatively complex and can not be directly connected to the computer , it needs through an adapter is transformed into AUI connector, and then to the computer . Due to the strength of the WISDOM cat7 cable  strong thick cable , the maximum transmission distance is longer than the thin cable , so Thick main purpose is to play the role of the network backbone , to connect several network formed by a thin cable . Thick impedance is 75Ω.

some of the problems facing the industry mini hdmi cable

"Faced with the new one wire and cable career started as early disjointed low-level duplicated construction and vicious competition, constitute a reasonable level of goods and  industrial  WISDOM ethernet cable layout, since each company must identify a location." that revolutionized Current occupation format, the light has the company's enthusiasm is not enough, you also need government departments, professional associations, and users to work together. High temperature wire mini hdmi cable system is the most important factor causing electromagnetic compatibility doubt. Thus, in practice, often found: When the external device on the cable dragged down, the device can smoothly through experiments, electromagnetic interference encountered in the field of representation, as long as the cable pull down the cat5e patch cable  appearance of defects will disappear. This is because the cable is an efficient and radiation receiving antenna. In addition, the parallel wires in the cable transmission of the longest interval, thus there is a large segment capacitance and mutual inductance between the wire, which causes the occurrence of crosstalk between signal conductors.
One of the primary ways to dispose mini hdmi cable doubt that the cable shield, but how about a shielded cable termination, what cat6 network cable  is useful shielded cable is widespread concern and a series of questions and vague question. This section of the cable talk electromagnetic interference doubt, cable radiation doubt, doubt crosstalk between the wires, and these questions countermeasures.

China has created a world-class enterprise HDMI CABLE just a matter of time

For Chinese enterprises, almost all of the products can be found in the majority of markets in the country, the image of the mouth called "golden spoon." The same is true for the cable industry. China Power Cable companies biggest advantage is compelling domestic market. For the development of  cat7 cable the industry to grow and provide a rare fertile soil. This inherent advantages greatly enhance the competitiveness of China's cable business.
An industry basis beginning of a long
  30 years of reform and opening up, China's HDMI CABLE industry continues to grow, as economic development and scientific and technological progress has made important contributions to China after the wire and cable industry is the second largest industry, automotive industry, product variety to meet the rate and domestic market share rate of over 90%. According to statistics, China's large and small cable companies have tens of thousands in  WISDOM MINI USB cable the world, China wire and cable output value has exceeded the United States as the world's largest wire and cable producer.
2, the industry accuracy, strong foreign competition
As China's power industry HDMI CABLE low barriers to entry, runaway production scale investment, redundant construction is serious, concentration is not high, and many simply do not have the necessary means of production capacity, quality control and testing of the "workshop enterprise" also blend into one. Coupled with rising raw material to bring the operating pressure, making WISDOM rj11 modular jack  the fake and shoddy, shoddy, shoddy, shoddy phenomenon is repeated, so that planted a huge security risk, while foreign companies eager to enter the Chinese market, and in the end market overwhelmingly dominated the market, while China only a few varieties of cables can reach the international market and can compete acceptable level, compared with the international brands in the high-performance, high-quality, high-value species are also cable there is a big gap. Weakened competitiveness in international markets.

MDF WISDOM micro hdmihortcomings

Most visually intuitive labeling of traditional patch panels are paper , the paper is uneven or bad . Handwritten labels , organic play ; with color , there are black and white ; need to open the fiber optic connectors cabinet close to see. If a long time, the room for environmental reasons , such as man-made wear, air humidity and other factors make the label becomes more difficult to identify , clear, inconvenience to the management staff. Because pretty bad image of the label paper is uneven, there are handwritten, organic play ; with color , there are black and white ; There is one with a port , there is one to six ports , as well as to 24 port is one of ; label the four corners at right angles with rounded corners ; has crooked posted up there clip up all the cards up, plug up , and so have varied, the effect can not be dvi to hdmi adapter achieved neat appearance . A couple of years later, when managers open the cabinet , to see these labels should have the management functions , will be out of the scene in front of a headache : ! Altered many signs of wear label , humid air as a result of dirty old tag ! label affixed crooked ! put on magnifying glass labels are not clear . Tags do not see the label has come off the label strip .

WISDOM hdmi cable Fiber optic terminal box

Fiber optic terminal box for terminating fiber optic cable, mostly for vertical cabling and wiring buildings . Depending on the structure of the fiber optic terminal box can be divided into displayport cable and rack . Wall-mounted can be directly fixed on the wall , usually box structure for the number of cable and fiber cores are smaller places. Rack can be installed directly in a standard cabinet , suitable for large-scale fiber-optic network . One is a fixed configuration of the terminal box , optical fiber coupler is fixed directly to the cabinet , suitable for large-scale fiber-optic network . One is a fixed configuration of the terminal box , the user can select the number and size of the cable corresponding module for network adjustments and extensions. The adapter is fixed to the fiber optic terminal box or socket information for realizing the connection between the optical fiber connector , and to ensure proper alignment to maintain the angle between the optical fibers . The adapter can also be used in fiber optic terminal box, so that it is a different size or type of plug and socket want to match hdmi to dvi adapter the information , so that the fiber optic equipment connected to the smooth application of the device access to the network . Under normal circumstances , the terminal equipment can be connected to the information and should jumper sockets , without using any adapter through . If due to the plug socket between the terminal device and the information does not match or cable impedance mismatch , the information can not be used directly outlet , you must resort to the appropriate adapter or balanced / unbalanced converter to convert in order to achieve the terminal equipment and information outlets between mutually compatible.

the difference between mini hdmi cable with ordinary wire is mainly the larger cable size

1, the difference between the material
  Wires for carrying electric current conductive metal wire. There ﹑ stranded solid braided or foil and other forms. Divided by the insulation condition bare wires and insulated wires into two categories. Cables insulated from the one or more mutually insulated conductive wire cores placed in the sealed configuration of the sheath. An outer protective cover WISDOM utp cable  layer may be added, that the difference between the wire and cable wire size is generally small, the structure is simple, but the cable may also be included in the sequence of generalized wires.
2, the difference between the use of
  Does not include any bare wires wire insulation or protective layer. In addition to the wire as the transmission of power and information, but also for the manufacture of motor ﹑ electrical components and cables. General use of copper, aluminum, copper alloy ﹑ aluminum. In addition, there are a variety of special requirements applicable to insulated  wire, such as a car with a high-pressure low-voltage wires, automotive ignition  WISDOM Mini HDMI cable lead wire electrical appliances ﹑ ﹑ ﹑ aviation conductor wires and other compensation. Cables for the transmission or distribution of electric energy ﹑ send electrical signals. Cables can be divided according to their use of power cables, lines, communication cables and control cables.
3, the difference between the structure
  Power cables and wires of common difference is mainly the larger cable size, the structure is more complex. Cable mainly consists of the following four parts group. Flex Heart: with high conductivity material. Insulation layer: as the cable insulation material should have a high insulation resistance, high breakdown electric field strength. Often the cable insulation material classification.
 In addition to the above differences, the cable also has a WISDOM hdmi wall plate  distinct advantage. Compared with overhead lines, the advantage is that the cable insulation distance between lines of small, small footprint, without accounting for the laying of underground space above ground, the impact of environmental pollution from the surrounding, power transmission and high reliability, safety and the environment for interference small. Thus, cable and more used in densely populated areas and dense grid congestion and busy place. For modernization have a negligible effect.