TWM494409U - Surge prevention protection structure for RJ45 integrated type connector - Google Patents

Description

Anti-surge protection structure for RJ45 integrated connector

This creation is about the technical field of connectors, especially an anti-surge protection structure for RJ45 integrated connectors.

In the circuit structure of the conventional RJ45 integrated connector, in order to achieve the line protection structure of the RJ45 connector with lightning protection function, it is provided between the line and the line structure such as: transient voltage suppressor, semiconductor discharge tube Anti-surge protection components such as gas discharge tubes and varistor, and a high-voltage capacitor or a combination of resistors, high-voltage capacitors, and gas discharge tubes are provided between the line structure and the ground. Wave protection components to achieve protection between the line and the line structure, and between the line structure and the ground.

As a result, it is bound to increase the assembly cost of the connector, and also due to the need to use larger size resistors, high voltage capacitors, transient voltage suppressors, semiconductor discharge tubes, gas discharge tubes and varistor anti-surge The protection component greatly increases the volume of the overall connector circuit protection structure, which in turn leads to the inability to meet the current trend of thin and light electronic products and meet the economic interests of consumers.

Therefore, through the above description, it can be known that the connection structure of the conventional terminal and the circuit board still has disadvantages and shortcomings; in view of this, how can the design and development be designed to be able to occupy a space without being occupied, cost-effective, and capable of both The RJ45 connector circuit structure with lightning protection function has its essential necessity. Therefore, the creator of the case tried to research and create, and finally developed a kind of anti-surge protection structure for the RJ45 integrated connector.

The main purpose of this creation is to provide an anti-surge protection structure for the RJ45 integrated connector for the deficiencies of the prior art. The anti-surge protection structure is simple, and the overvoltage protection component can be reduced, so that the product structure is completed in combination. After that, it can meet the development trend of light, short and short, and greatly reduce the production cost of the product.

In order to achieve the above purpose, the present invention adopts the following technical solutions: an anti-surge protection structure for an RJ45 integrated connector, including a network chip, an isolation transformer, and an output cable end, wherein The isolation transformer includes a primary side and a secondary side, and the primary side of the isolation transformer is electrically connected to the common mode yoke coil, and the common mode yoke coil is connected in series with the network chip; and the isolation transformer is The secondary side is connected in series with the output cable ends, and the center tap of the secondary side of the isolation transformer is directly grounded.

Further, the secondary side of the isolation transformer is connected with a common mode yoke coil, and the secondary side common mode yoke coil and the output cable line end are connected in series with each other.

Preferably, the common mode yoke coil is a two-wire common mode yoke coil or a three-wire common mode yoke coil.

The network chip, the isolation transformer and the output cable end are provided with four groups, and the anti-surge protection structure is suitable for the RJ45 integrated connector of the 1G Ethernet network.

Wherein, the network chip, the isolation transformer and the output cable end are provided with two groups, and the anti-surge protection structure is suitable for the RJ45 integrated connector of 10M and 100M Ethernet.

Further, the center tap of the primary side of the isolation transformer is connected in series with the network chip.

Further, the anti-surge protection structure for the RJ45 integrated connector further includes a housing, wherein the network chip, the isolation transformer, and the output cable end are disposed in the housing, and the housing Ground directly.

An anti-surge protection structure for an RJ45 integrated connector includes: a network chip, an isolation transformer, and an output cable end, wherein the isolation transformer includes a primary side and a secondary side, and the isolation transformer is The primary side and the network chip are connected in series with each other, and the secondary side of the isolation transformer is electrically connected to the common mode yoke coil, and the common mode yoke coil and the input The outlet cable ends are connected in series with one another, and the center tap of the secondary side of the isolation transformer is directly grounded.

The network chip, the isolation transformer and the output cable end are provided with four groups, and the anti-surge protection structure is suitable for the RJ45 integrated connector of the 1G Ethernet network.

Wherein, the network chip, the isolation transformer and the output cable end are provided with two groups, and the anti-surge protection structure is suitable for the RJ45 integrated connector of 10M and 100M Ethernet.

Among them, the advantage of this creation is that the anti-surge protection structure for the RJ45 integrated connector provided by this creation is through the use of the network chip and the output cable end in the anti-surge protection structure. The yoke current coil simultaneously directly grounds one side of the isolation transformer in the anti-surge protection structure through the center tap to improve the capability of the anti-surge protection structure against the high voltage surge generated by static electricity or lightning strike, and Solve the anti-surge problem of RJ45 integrated connector to save parts and cost, reduce the volume of the overall anti-surge protection structure, and make the appearance of RJ45 integrated connector meet the light and short after the combination is completed. The development trend and meet the needs of consumers' economic interests.

1‧‧‧Network Chip

2‧‧‧Isolation transformer

3‧‧‧Output cable end

4‧‧‧Common mode yoke coil

5‧‧‧Shell

21‧‧‧First side

22‧‧‧second side

The first figure is a schematic structural view of a first embodiment of an anti-surge protection structure for an RJ45 integrated connector of the present invention; the second figure is an anti-surge protection structure for an RJ45 integrated connector of the present invention. 2 is a schematic structural view of a third embodiment of an anti-surge protection structure for an RJ45 integrated connector of the present invention; and the fourth figure is a RJ45 integrated type of the present invention. A schematic structural view of a fourth embodiment of the anti-surge protection structure of the connector; the fifth figure is a schematic structural view of a fifth embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; A schematic diagram of a sixth embodiment of an anti-surge protection structure for an RJ45 integrated connector, and a seventh embodiment of the anti-surge protection structure for an RJ45 integrated connector of the present invention A schematic diagram of the structure of the eighth embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; the ninth diagram is a kind of RJ45 integrated connection of the present invention. A schematic configuration of a ninth embodiment of the anti-surge protection structure; and a schematic view showing a tenth embodiment of the structure of a tenth embodiment of a structure of anti-surge protection for the Original integrated RJ45 connector.

In order to more clearly describe the anti-surge protection structure for the RJ45 integrated connector proposed by the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the drawings.

First, the first embodiment of the present invention is introduced. Referring to the first figure, it is a schematic structural view of a first embodiment of an anti-surge protection structure for an RJ45 integrated connector. As shown in the first figure, a first embodiment of the anti-surge protection structure for an RJ45 integrated connector of the present invention includes a network chip 1, an isolation transformer 2, and an output cable end 3.

The isolation transformer 2 includes a primary side 21 and a secondary side 22, and the primary side 21 of the isolation transformer 2 is electrically connected to the common mode yoke coil 4, and the common mode yoke coil 4 is connected to the network. The wafers 1 are connected in series with one another; in addition, the secondary side 22 of the isolating transformer 2 is connected in series to the output cable end 3, and the center tap of the secondary side 22 of the isolating transformer 2 is directly grounded.

In the first embodiment, the common mode yoke coil 4 is used between the network wafer 1 in the anti-surge protection structure and the primary side 21 of the isolation transformer 2, and at the same time, the anti-surge protection structure is The central tap of the secondary side 22 of the isolating transformer 2 is directly grounded in such a manner as to improve the ability of the anti-surge protection structure to withstand high voltage surges generated by static electricity or lightning strikes to solve the anti-aliasing of the RJ45 integrated connector. Wave puzzles and achieve the goal of saving parts and costs.

In the above description, through the creation of the anti-surge protection structure of the creation, the creation of the circuit board of the RJ45 integrated connector can be omitted, such as transient voltage suppression. Anti-surge protection components such as semiconductor discharge tubes, gas discharge tubes, varistors, and high-voltage capacitors, thereby reducing the overall RJ45 integrated connector size, and allowing the appearance of the product structure to meet the trend of light, thin, and short after the combination is completed. At the same time, because the overvoltage protection component settings can be omitted, the manufacturing cost is naturally reduced, and the consumer's economic interests are completely met.

In addition, in the embodiment, the common mode yoke coil 4 of the primary side 21 of the isolation transformer 2 is a two-wire common mode yoke coil, and the network chip 1, the isolation transformer 2, and the output cable The terminal 3 is provided with four groups, so that the anti-surge protection structure of the embodiment is suitable for the RJ45 integrated connector of the 1G Ethernet.

Further, the present invention further includes a housing 5, wherein the network chip 1, the isolation transformer 2, and the output cable end 3 are disposed within the housing 5, and the housing 5 is directly grounded. In the present creation, the overall anti-surge protection structure is covered by using the casing 5, and the casing 5 is directly grounded; thus, when the high-voltage surge is generated, the protection of the creation is installed. The RJ45 integrated connector of the surge protection structure can also release external voltage and current to the ground through the housing 5, thereby avoiding the computer motherboard of the RJ45 integrated connector being subjected to instantaneous surge voltage or current. It was burned.

Through the above, the technical spirit of the anti-surge protection structure for the RJ45 integrated connector proposed by the present invention has been clearly explained, and then, the manner of the cooperation of the present invention will be further explained in detail through the cooperation of the drawings. Other embodiments.

Please refer to the second figure, which is a schematic structural view of a second embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; as shown in the second figure, the second embodiment of the present invention and the above The main difference of an embodiment is that the common mode yoke coil 4 of the primary side 21 of the isolation transformer 2 is a three-wire common mode yoke coil. Of course, in the anti-surge protection structure described in the present application, the common mode yoke coil 4 may also be a three-wire common mode yoke coil.

Please refer to the third figure, which is a schematic structural view of a third embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; as shown in the third figure, the third embodiment and the first implementation of the present creation The main difference of the example is that the secondary side 22 of the isolation transformer 2 is connected to the common mode yoke coil 4, and the common mode yoke coil 4 of the secondary side 22 is connected to the output cable line end 3 in series; The common mode yoke coil 4 of the secondary side 22 of the isolation transformer 2 is a two-wire common mode yoke coil. In this embodiment, both sides of the isolation transformer 2 (ie, the primary side 21 and the secondary side) The common mode yoke coil 4 of 22) is a two-wire common mode yoke coil.

Please refer to the fourth picture, which is a kind of RJ45 integrated type. A schematic diagram of a fourth embodiment of the anti-surge protection structure of the connector; as shown in the fourth figure, the main difference between the fourth embodiment of the present invention and the first embodiment is that the network chip 1, the isolation transformer 2 And the output cable end 3 is provided with two sets, so that the anti-surge protection structure of the embodiment is suitable for the RJ45 integrated connector of the 10M Ethernet; in addition, when the creation is applicable to 10M and 100M B In the case of a networked RJ45 integrated connector, the network chip 1, the isolation transformer 2, and the output cable terminal 3 can be set to two groups.

Of course, when this creation is applicable to other RJ45 integrated connectors of the Ethernet type, the relative number of sets set by the network chip 1, the isolation transformer 2, and the output cable end 3 can be selected according to actual product requirements. I will not repeat them here.

Please refer to the fifth figure, which is a schematic structural view of a fifth embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; as shown in the fifth figure, the fifth embodiment and the fourth implementation of the present invention The main difference of the example is that the common mode yoke coil 4 of the primary side 21 of the isolation transformer 2 is a three-wire common mode yoke coil. In this embodiment, the common mode yoke of the primary side 21 of the isolation transformer 2 The coil 4 is a three-wire common mode yoke coil, so that the anti-surge protection structure of the present embodiment is suitable for the RJ45 integrated connector of 10M and 100M Ethernet.

Please refer to the sixth figure, which is a schematic structural diagram of a sixth embodiment of the anti-surge protection structure for the RJ45 integrated connector; The sixth embodiment of the present invention is different from the fourth embodiment in that the secondary side 22 of the isolation transformer 2 is electrically connected to the common mode yoke coil 4, and the secondary side 22 is The common mode yoke coil 4 is connected in series with the output cable end 3.

Further, the common mode yoke coil 4 of the primary side 21 and the secondary side 22 of the isolation transformer 2 is a two-wire common mode yoke coil. The anti-surge protection structure according to the embodiment is provided with a common mode yoke coil 4 on the primary side 21 of the isolation transformer 2, and a common mode yoke coil is also disposed on the secondary side 22 of the isolation transformer 2. 4, in order to further enhance the anti-surge effect, and thus the anti-surge protection structure described in this embodiment is applicable to the RJ45 integrated connector of 10M and 100M Ethernet.

Please refer to the seventh figure, which is a structural diagram of a seventh embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; as shown in the seventh figure, the seventh embodiment and the sixth implementation of the present invention The main difference of the example is that the common mode yoke coil 4 of the primary side 21 of the isolation transformer 2 is a three-wire common mode yoke coil. In the embodiment, the common mode yoke coil 4 disposed on the primary side 21 of the isolation transformer 2 is a three-wire common mode yoke coil, and the secondary side 22 of the isolation transformer 2 is provided. The yoke current coil 4 is a two-wire common mode yoke coil, so that the anti-surge protection structure described in this embodiment can be applied to the RJ45 integrated connector of 10M and 100M Ethernet.

Please refer to the eighth figure, which is a kind of RJ45 integrated type. A schematic structural view of an eighth embodiment of the anti-surge protection structure of the connector; as shown in the eighth figure, the main difference between the eighth embodiment of the present creation and the first embodiment is that the center of the primary side 21 of the isolation transformer 2 The taps are connected in series with the network wafer 1. In the anti-surge protection structure for the RJ45 integrated connector described in the present application, the center tap of the primary side 21 of the isolation transformer 2 can be connected to the network chip 1 in series or not. The main difference between this embodiment and the first embodiment is that the central tap of the primary side 21 of the isolation transformer 2 of the present embodiment is electrically connected to the network chip 1; further, the implementation The different technical features of the example can also be applied to other embodiments to achieve the use requirements of different users.

Please refer to the ninth figure, which is a schematic structural view of a ninth embodiment of the anti-surge protection structure for the RJ45 integrated connector; as shown in the ninth figure, one of the creations is for the RJ45 integrated connector. The anti-surge protection structure includes a network chip 1, an isolation transformer 2, and an output cable end 3.

The isolation transformer 2 includes a primary side 21 and a secondary side 22, and the primary side 21 of the isolation transformer 2 and the network wafer 1 are connected in series with each other, and the secondary side 22 of the isolation transformer 2 is electrically connected. The common mode yoke coil 4 is connected in series, and the common mode yoke coil 4 and the output cable line end 3 are connected in series with each other, and the center tap of the secondary side 22 of the isolation transformer 2 is directly grounded.

In this embodiment, the network chip 1, the isolation transformer 2, and the output cable end 3 are provided with four groups, so that the anti-surge protection structure of the embodiment is applicable to the 1G Ethernet network. RJ45 integrated connector for the road.

In addition, in the present embodiment, the network wafer 1 in the anti-surge protection structure and the primary side 21 of the isolation transformer 2 are directly connected in series, and then connected to the secondary side 22 of the isolation transformer 2 The common mode yoke coil 4 and the center tap of the secondary side 22 of the isolation transformer 2 are directly grounded, so as to improve the ability of the anti-surge protection structure to withstand high voltage surges generated by static electricity or lightning strikes.

Please refer to the tenth figure, which is a structural diagram of a tenth embodiment of the anti-surge protection structure for the RJ45 integrated connector of the present invention; as shown in the tenth figure, the tenth embodiment and the eighth implementation of the present invention The main difference of the example is that the network chip 1, the isolation transformer 2 and the output cable end 3 are provided with two sets, so that the anti-surge protection structure of the embodiment can be applied to 10M and 100M B. RJ45 integrated connector for network. In addition, when the present invention is applied to an RJ45 integrated connector of 10M and 100M Ethernet, the network chip 1, the isolation transformer 2, and the output cable end 3 can be correspondingly set to two groups.

In summary, it can be seen that the creation has the above-mentioned excellent characteristics, so that it can be used for manufacturing, assembly and use, and has the practicality of improving the performance of the prior art, thereby becoming a practical new value. Product structure.

The above content is only a preferred embodiment of the present invention. For those skilled in the art, depending on the idea of the present creation, there will be changes in the specific implementation manner and application scope, and the content of the present specification should not be construed as limits.

1‧‧‧Network Chip

2‧‧‧Isolation transformer

3‧‧‧Output cable end

4‧‧‧Common mode yoke coil

5‧‧‧Shell

21‧‧‧First side

22‧‧‧second side

Claims (10)

An anti-surge protection structure for an RJ45 integrated connector includes: a network chip, an isolation transformer, and an output cable end, wherein the isolation transformer includes: a primary side electrically connected to the common mode yoke And a common mode yoke coil is connected in series to the network wafer; and a secondary side is connected in series to the output cable end, and the central tap of the secondary side is directly grounded. The anti-surge protection structure for the RJ45 integrated connector according to the first aspect of the invention, wherein the secondary side of the isolation transformer is electrically connected to the common mode yoke coil, and the secondary side A common mode yoke coil is connected in series to the output cable end. The anti-surge protection structure for the RJ45 integrated connector according to claim 2, wherein the common mode yoke coil is a two-wire common mode yoke coil or a three-wire common mode yoke coil . The anti-surge protection structure for the RJ45 integrated connector according to any one of claims 1 to 3, wherein the network chip, the isolation transformer, and the output cable end are provided with Four groups, and the anti-surge protection structure of this creation is suitable for 1G Ethernet. RJ45 integrated connector. The anti-surge protection structure for the RJ45 integrated connector according to any one of claims 1 to 3, wherein the network chip, the isolation transformer, and the output cable end are provided with Two groups, and the creation of the anti-surge protection structure is suitable for RJ45 integrated connectors of 10M and 100M Ethernet. The anti-surge protection structure for the RJ45 integrated connector according to any one of claims 1 to 3, wherein the central tap of the primary side of the isolation transformer is connected in series to the network wafer. The anti-surge protection structure for the RJ45 integrated connector according to claim 1, further comprising a housing, and the network chip, the isolation transformer, and the output cable end are disposed on the Inside the housing, and the housing is directly grounded. An anti-surge protection structure for an RJ45 integrated connector includes: a network chip, an isolation transformer, and an output cable end, wherein the isolation transformer includes: a primary side, which is connected in series to the network chip; And a secondary side electrically connected to the common mode yoke coil, wherein the common mode yoke coil is connected in series to the output cable end, and the center of the secondary side The tap is directly grounded. The anti-surge protection structure for the RJ45 integrated connector according to claim 8, wherein the network chip, the isolation transformer, and the output cable end are provided with four groups, and the creation The anti-surge protection structure is suitable for the RJ45 integrated connector of 1G Ethernet. The anti-surge protection structure for the RJ45 integrated connector according to claim 8, wherein the network chip, the isolation transformer, and the output cable end are provided with two groups, and the creation The anti-surge protection structure is suitable for RJ45 integrated connectors of 10M and 100M Ethernet.