CN202917757U - Connector with protection assembly - Google Patents

Abstract

The present utility model provides a connector with a protection assembly. The connector is mainly composed of an insulation body, a signal transmission module arranged inside the insulation body, a transformer module electrically connected on the signal transmission module, a first anti-surge assembly, a solid state semiconductor protection assembly and a second anti-surge assembly. The signal transmission module comprises a circuit board which is provided with lines, and an output terminal group and an input terminal group electrically connected with the circuit board. The transformer module and the first anti-surge assembly are electrically connected between the output terminal group and the input terminal group, and protection effect of lines can be provided. The solid state semiconductor protection assembly and the second anti-surge assembly are electrically connected between a central tap part of a primary side coil of the transformer module and a metal shell body, and protection of lines can be protected. Thus, the capacity of the connector for bearing high voltage surge caused by static electricity or lightning stroke can be enhanced.

Description

Connector with protection assembly

Technical field

The utility model is relevant with connector, the relevant especially connector with protection assembly.

Background technology

Along with the progress of science and technology and the development of semiconductor industry, computer has become one of indispensable electronic product of general popular life.The in addition in recent years fast development of internet has made the whole world enter the epoch of an information explosion.As long as the user has a computer, and connect and to surf the Internet, any information on can browse network, and communicate with other network user.

Except emerging radio network technique, most network users all need dispose network connector on the mainboard of its computer, for example the RJ-45 connector now.This network connector is in order to be electrically connected external cable, so that computer is connected to the internet.

Yet aforesaid external cable (for example being grid line or Connectorized fiber optic cabling) usually can be exposed to outside the building because of the consideration on arranging.Therefore, when external cable because of generation of static electricity, or suffer thunderbolt (lightening) and when producing high pressure, will conduct to by external cable this network connector on this computer, and then this computer motherboard that is electrically connected with this network connector is burnt.In view of this, at present on the market in the common network connector, all be provided with anti-lightning strike surge prevention assembly (Surge protection component), when invading so as to solving surging, cause moment excessive voltage and problem that this computer is burnt.

But the generation reason of high pressure surging has a variety of, and therefore, how high the unpredictable voltage that produces have.If the voltage that produces is higher than the limit that the surging assembly of setting up defences can bear, then the surge prevention assembly can't successfully block voltage.In addition, after the surge prevention assembly blocks the high pressure surging, electric current still may be arranged slightly by producing voltage, if the voltage of generation is still greater than connector internal integrated circuit (Integrated Circuit, IC) operating voltage, then this IC still may burn.

The utility model content

In view of this; main purpose of the present utility model is to provide a kind of connector with protection assembly; all be electrically connected the protection assembly between circuit and the circuit and between circuit and the ground wire, to improve connector for the ability to bear of the high pressure surging that produces because of static or thunderbolt.

In view of this; another main purpose of the present utility model is to provide a kind of connector with protection assembly; replace traditional protection assembly with solid-state semiconductor protection assembly; thereby solve the protection assembly under the state of continuous firing; too high because of protection assembly self-temperature, cause connector internal circuit board or mainboard Yin Gaowen and the problem of burning.

For achieving the above object, the utility model mainly provides a kind of connector with protection assembly, is arranged on the computer motherboard, comprises: insulating body, inside has accommodation space, and offers the groove that communicates with described accommodation space in described insulating body one side; Signal transmission module, be arranged in the described accommodation space, have circuit board, output subgroup and the input subgroup of laying circuit, one end of wherein said output subgroup is electrically connected respectively described circuit board, the other end is respectively by described accommodation space, extend and be arranged in the described groove, in order to be electrically connected external cable, one end of described input subgroup is electrically connected respectively described circuit board, the other end respectively from described circuit board one side towards the downward-extension setting, in order to be electrically connected with described computer motherboard; Metal shell coats described insulating body, and the metallic shield effect is provided; Transformer module, be electrically connected on the described circuit board, this transformer module has two above transformers, each described transformer has respectively first siding ring and second siding ring, wherein said first siding ring is electrically connected described output subgroup, and described second siding ring is electrically connected described input subgroup; At least one first surge prevention assembly is electrically connected on the described circuit board, and described at least one first surge prevention assembly is connected across between described first siding ring and the described output subgroup; Solid-state semiconductor protection assembly is electrically connected on the described circuit board; And the second surge prevention assembly, be electrically connected on the described circuit board; Wherein, described solid-state semiconductor protection assembly and described the second surge prevention assembly also is unified into parallel circuits; described first siding ring on the described transformer module has respectively the centre cap position, and described parallel circuits is electrically connected between described centre cap position and the described metal shell.

Further, described two the above transformers in the described transformer module are isolating transformer.

Further, comprise four isolating transformers in the described transformer module.

Further; described connector also comprises wire-connecting; this wire-connecting is electrically connected on the described circuit board, and an end of this wire-connecting is electrically connected to the grounded part of described solid-state semiconductor protection assembly and described the second surge prevention assembly, and the other end directly contacts with described metal shell.

Further; described connector also comprises back shroud; this back shroud covers in described insulating body rear; to cover described signal transmission module, described transformer module, the protection of described solid-state semiconductor assembly, described the first surge prevention assembly and described the second surge prevention assembly; offer perforation on the described back shroud; the other end of described wire-connecting passes described perforation, contacts with described metal shell.

Further, described connector also comprises resistance, and this resistance is electrically connected on the described circuit board, and this resistance and described the second surge prevention component string are unified into series circuit, and this series circuit and the described parallel circuits of described solid-state semiconductor protection module composition.

Further, described the first surge prevention assembly is Transient Voltage Suppressor, and described the second surge prevention assembly is perhaps Transient Voltage Suppressor of high-tension electricity.

Further, described transformer module, described the first surge prevention assembly and described the second surge prevention assembly are integrated circuit (IC) chip.

Further, described connector also comprises connector modules, this connector modules is arranged in the described accommodation space, this connector modules has the second metal shell, this second metal shell and described metal shell are electrically connected, and provide a shared ground connection pin by one of them of described metal shell or described the second metal shell.

Further, described connector modules is USB connector, described groove connects for the external cable of RJ-45 specification, described output subgroup is become by eight butt subgroups, described input subgroup is become by ten butt subgroups, and described output subgroup and this input subgroup are in order to transmit the signal of RJ-45.

The effect that the utility model is reached compared to prior art is; use transformer module, solid-state semiconductor protection assembly and a plurality of surge prevention assembly in inner connection of connector; consist of between circuit and the circuit; and the protection mechanism between circuit and the ground wire, can promote whereby connector for the protection specification of static or thunderbolt.And, replace traditional protection assembly by solid-state semiconductor protection assembly, do not have the protection assembly and cause excess Temperature because of continuous firing, the problem that causes at last connector internal circuit board or mainboard to burn because of the high temperature of protection assembly.

Description of drawings

Fig. 1 is the schematic perspective view of preferred embodiment of the present utility model;

Fig. 2 is the perspective exploded view of preferred embodiment of the present utility model;

Fig. 3 is the side cross-sectional schematic of preferred embodiment of the present utility model;

Fig. 4 is the block diagram of the protection assembly of preferred embodiment of the present utility model;

Fig. 5 is the schematic perspective view of another preferred embodiment of the present utility model;

Fig. 6 is the perspective exploded view of another preferred embodiment of the present utility model;

Fig. 7 is the side cross-sectional schematic of another preferred embodiment of the present utility model;

Fig. 8 is the electric wiring plan of the protection assembly of preferred embodiment of the present utility model;

Fig. 9 is the electric wiring plan of the luminescence component of preferred embodiment of the present utility model.

Description of reference numerals

1,1 ' connector, 10 insulating bodies

101 accommodation spaces, 102 grooves

1031 perforation of 103 back shrouds

11 signal transmission modules, 110 circuit boards

111 output subgroups, 112 input subgroups

121 transformer module 121A first siding rings

121B lateral coil 1211 centre cap positions

122 first surge prevention assemblies, 123 solid-state semiconductors protection assembly

124 second surge prevention assemblies, 125 resistance

13 wire-connectings, 14 metal shells

141 ground connection pins, 15 luminescence components

151 luminous elements, 152 utmost point pin

153 the 3rd surge prevention assemblies, 2 computer motherboards

3 connector modules, 31 insulation shells

311 connector ports, 32 second metal shells

321 second ground connection pins

Embodiment

Be understanding that can be more detailed characteristics of the present utility model and technology contents, see also explanation and the accompanying drawing of the following stated, yet appended accompanying drawing illustrative purposes only for reference is not for limitation the utility model.

At first, see also Fig. 1 and Fig. 2, be schematic perspective view and the perspective exploded view of preferred embodiment of the present utility model.Connector 1 of the present utility model mainly has insulating body 10, signal transmission module 11, protection assembly and coat the metal shell 14 of above-mentioned all component more than two; wherein, this protects assembly mainly to comprise transformer module (transformer module) the 121, first surge prevention assembly (Surge component) 122, solid-state semiconductor protection assembly 123 and the second surge prevention assembly 124 more than two.

These insulating body 10 inside have accommodation space 101, and in order to being installed with this signal transmission module 11 and this protects assembly more than two, and a side of this insulating body 10 offers the groove 102 that communicates with this accommodation space 101.This signal transmission module 11 comprises circuit board 110, output subgroup 111 and the input subgroup 112 of laying circuit.One end of this output subgroup 111 is electrically connected respectively this circuit board 110, and the other end is respectively by this accommodation space 101, and extension is arranged in this groove 102, in order to be electrically connected the external cable (not shown).One end of this input subgroup 112 is electrically connected respectively this circuit board 110, the other end respectively from these circuit board 110 1 sides towards the downward-extension setting, be electrically connected to computer motherboard 2 (as shown in Figure 3).

As shown in Figure 2, this groove 102 mainly connects in order to the external cable that the RJ-45 specification is provided, this output subgroup 111 is mainly become by eight butt subgroups, this input subgroup 112 is mainly become by ten butt subgroups, this output subgroup 111 and this input subgroup 112 be in order to the signal of transmission RJ-45 specification between this external cable and this computer motherboard 2, but do not limited.

This transformer module 121 and this first surge prevention assembly 122 are electrically connected on this circuit board 110 of this signal transmission module 11; and; be electrically connected between this output subgroup 111 and this input subgroup 112, in order to provide circuit to the protection between the circuit.Wherein, this transformer module 121 can be comprised of plural isolating transformer (Isolation Transformer), and preferably can be comprised of four isolating transformers, but is not limited.

This solid-state semiconductor protection assembly 123 is electrically connected on this circuit board 110 of this signal transmission module 11 with this second surge prevention assembly 124, and is electrically connected to this transformer module 121 and this metal shell 14.So as to, this solid-state semiconductor protection assembly 123 can form the ground connection effect by the ground connection pin 141 that these metal shell 14 bottoms arrange with this second surge prevention assembly 124, so that the protection between the line-to-ground line to be provided.

It is worth mentioning that above-mentioned this first surge prevention assembly 122 mainly can be Transient Voltage Suppressor (Transient Voltage Suppressor, TVS), and this second surge prevention assembly 124 can be perhaps Transient Voltage Suppressor of high-tension electricity.And, in embodiment of the present utility model, this transformer module 121, this first surge prevention assembly 122 are (namely, this TVS) and this second surge prevention assembly 124 (namely, this high-voltage capacitance) can integrated circuit (Integration Circuit, IC) chip is realized, but is not limited.

From the above in this connector 1 of the present utility model; comprise four protection assemblies to I haven't seen you for ages; comprise this transformer module 121 and this first surge prevention assembly 122 that are electrically connected between circuit (this output subgroup 111) and the circuit (this input subgroup 112), and be electrically connected at this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124 between circuit (this transformer module 121) and the ground wire (this metal shell 14).Yet the safety requirements that the quantity of these protection assemblies is wanted to reach by this connector 1 is decided, and should not limited.

Existing connector will be reached the protection between the line-to-ground line, usually can a gas discharge tube (Gas Discharge Tube, GDT) be set between circuit and ground wire, so as to reach the protection between the line-to-ground line by gas discharge tube.In general; it is low, than quantization error, assembling easily and low cost and other advantages that gas discharge tube has the appearance value; and the main moment surge voltage that can bear approximately 3KV; therefore contrast other overvoltage protection assembly; use gas discharge tube as the protection assembly between the line-to-ground line; can actual usefulness and the utilization benefit that improves connector, be the main flow of the resist technology of existing connector.

Yet, the main composition material of existing gas discharge tube is pottery, and pottery itself can be heat-resisting to several Baidu or even 1,000 high temperature of spending, that is to say, when the gas discharge tube continuous firing and so that the temperature of assembly when constantly raising, gas discharge tube itself can't open circuit because of excess Temperature.Thus, though the impact that gas discharge tube can protect connector not to be struck by lightning, but the high temperature that gas discharge tube itself produces because of continuous firing may directly burn this circuit board 110 or this computer motherboard 2.

In addition; before the protection assembly will start; preparing voltage (Stand-off Voltage; Vdrm) between the starting resistor (Breakdown Voltage, Vbr), one section tolerance value (tolerance) is arranged still; particularly; suppose that this protection assembly just should start when bearing the voltage of 500V, but to just starting when bearing the voltage of 550V, then the error of this 50V is exactly the tolerance value of this protection assembly.In general, the tolerance value of gas discharge tube is about prepares the positive and negative 20% of voltage, and the tolerance value of this solid-state semiconductor protection assembly 123 described in the utility model is about and prepares positive and negative 5% of voltage.Can find out that thus use this solid-state semiconductor protection assembly 123 as the protection assembly between the line-to-ground line, it is also stable really to use gas discharge tube to protect than tradition.

Also be provided with two above luminescence components 15 in this accommodation space 101, one end of these two above luminescence components 15 has luminous element 151, these two above luminous elements 151 pass this insulating body 10 and extension forward, protrude from outside this insulating body 10 and this metal shell 14.These two above luminescence components 15 have utmost point pin 152 away from the other end of this luminous element 151, and these two above utmost point pin 152 are electrically connected to this circuit board 110, to receive luminous required electric power.And these two above luminescence components 15 also can be electrically connected the 3rd surge prevention assembly 153 (as shown in Figure 9), can not burnt (being detailed later) because the high pressure surging produces to protect these two above luminescence components 15.

This insulating body 10 also has back shroud 103, covers in this insulating body 10 rears, to cover the assembly (that is, this protects assembly, this signal transmission module 11 and these two above luminescence components 15 more than two) in this accommodation space 101.And; offer perforation 1031 on this back shroud 103; be electrically connected with wire-connecting 13 on this circuit board 110; one end of this wire-connecting 13 is electrically connected to this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124; the other end passes this perforation 1031, and directly contacts with this metal shell 14.Whereby, the grounded part of this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124 can be connected to this metal shell 14 by this wire-connecting 13, reaches earthing effect by this metal shell 14.

Secondly, see also Fig. 3, be the side cross-sectional schematic of preferred embodiment of the present utility model.This connector 1 connects external cable by this groove 102, and receives the external signal of this external cable transmission by this output subgroup 111.When the high pressure surging produced, this connector 1 carried out the surge prevention protection by this transformer module 121 on this circuit board 110 and this first surge prevention assembly 122.After this transformer module 121 is absorbed the moment surge voltage/current that produces, blocked with this first surge prevention assembly 122, transmit signals to again this input subgroup 112, to send this computer motherboard 2 that is electrically connected with this input subgroup 112 to.So as to, reach circuit to the surging protection mechanism between the circuit by this transformer module 121 and this first surge prevention assembly 122, avoid this computer motherboard 2 because burnt by moment surge voltage/current.

In addition; this connector 1 also can be absorbed voltage/current by this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124 to be blocked, and externally discharges via the voltage/current of this metal shell 14 with this solid-state semiconductor protection assembly 123 and 124 absorptions of this second surge prevention assembly.So as to, reach surging protection mechanism between the line-to-ground line by this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124, avoid this computer motherboard 2 to be burnt because moment surge voltage/current is excessive.And; as mentioned above; this solid-state semiconductor protection assembly 123 can be because of continuous firing so that temperature improves rapidly, therefore in the present embodiment, this connector 1 and this computer motherboard 2 are can be because of the temperature of this solid-state semiconductor protection assembly 123 itself too not high and burnt.

Secondly, see also Fig. 4, be the block diagram of the protection assembly of preferred embodiment of the present utility model, and please consult simultaneously Fig. 8, be the electric wiring plan of block diagram shown in Figure 4.As shown in the figure, two above isolating transformers in this transformer module 121 have respectively first siding ring 121A and second siding ring 121B.These first siding rings 121A is electrically connected respectively this output subgroup 111 of this signal transmission module 11, and these second siding rings 121B is electrically connected respectively this input subgroup 112 of this signal transmission module 11.This first surge prevention assembly 122 mainly is to be electrically connected between these first siding rings 121A and this output subgroup 111 of this transformer module 121, and this transformer module 121 provides circuit to the protection between the circuit jointly.

It is worth mentioning that, as shown in Figure 8, this transformer module 121 is as example take four isolating transformers, and this first surge prevention assembly 122 be take two as example, wherein each this first surge prevention assembly 122 is connected across respectively between this first siding ring 121A and this output subgroup 111 of two isolating transformers.

As mentioned above; these first siding rings 121A of this transformer module 121 has respectively centre cap position 1211; and this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124 mainly are electrically connected between these centre cap positions 1211 and the ground wire (that is, this metal shell 14).So as to, the protection that this solid-state semiconductor protection assembly 123 and this second surge prevention assembly 124 provide between the line-to-ground line jointly.

And; as shown in Figure 8; also can be electrically connected with resistance 125 on this circuit board 110; this resistance 125 and this second surge prevention assembly 124 are (namely; this high-voltage capacitance) is connected into the RC series circuit; this RC series circuit consists of parallel circuitss with this solid-state semiconductor protection assembly 123 again, and this parallel circuits is serially connected with between these centre cap positions 1211 and this metal shell 14 of these first siding rings 121A of this transformer module 121 again.

As mentioned above, please consult simultaneously Fig. 9, be the electric wiring plan of the luminescence component of preferred embodiment of the present utility model.As shown in Figure 9, these two above luminescence components 15 mainly are to be electrically connected to this circuit board 110.And these two above luminescence components 15 also can be electrically connected the 3rd surge prevention assembly 153, so as to when the high pressure surging produces, are absorbed and discharge via ground wire.And then, can not burnt by these two above luminescence components 15 of the 3rd surge prevention assembly 153 protections.Wherein, the 3rd surge prevention assembly 153 can be Transient Voltage Suppressor, but is not limited.

Please consult simultaneously Fig. 5, Fig. 6 and Fig. 7, be respectively schematic perspective view, perspective exploded view and the side cross-sectional schematic of another preferred embodiment of the present utility model.As shown in the figure, connector of the present utility model also can be the connector 1 ' of combined type.This connector 1 ' also can be installed with connector modules 3 in this accommodation space 101, this connector modules 3 shown in the figure is mainly USB (Universal Serial Bus, USB) connector, but not as limit.This connector modules 3 and above-mentioned stacking being set together of RJ-45 connector are to save distribution space limited on this computer motherboard 2.

This connector modules 3 mainly has insulation shell 31, and these insulation shell 31 interior formation can be for outside connector port 311 of pegging graft more than two.And this connector modules 3 also comprises the second metal shell 32, in order to coat this insulation shell 31, so that this connector modules 3 metallic shield effects to be provided.The bottom of this second metal shell 32 is provided with the second ground connection pin 321, and this connector modules 3 forms the ground connection effect by this second ground connection pin 321.

Above-mentioned this metal shell 14 has this ground connection pin 141, in order to the ground connection effect of this connector 1 to be provided.And this second metal shell 32 has this second ground connection pin 321, in order to the ground connection effect of this connector modules 3 to be provided.It is worth mentioning that, this metal shell 14 and this second metal shell 32 can be electrically connected mutually, provide a shared ground connection pin (that is, this ground connection pin 141 or this second ground connection pin 321) by one of them of this metal shell 14 and this second metal shell 32.This solid-state semiconductor protection assembly 123 can be electrically connected to this metal shell 14 with this second surge prevention assembly 124, so as to by one of them of this ground connection pin 141 or this second ground connection pin 321, the voltage/current that absorbs is externally discharged via ground wire.

The above is specifying of preferred embodiment of the present utility model only, is not to limit to protection range of the present utility model, and other any equivalent transformations all should belong to the application's claim scope.

Claims (10)

1. the connector with protection assembly is arranged on the computer motherboard, it is characterized in that this connector comprises:

Insulating body, inside has accommodation space, and offers the groove that communicates with described accommodation space in described insulating body one side;

Signal transmission module, be arranged in the described accommodation space, have circuit board, output subgroup and the input subgroup of laying circuit, one end of wherein said output subgroup is electrically connected respectively described circuit board, the other end is respectively by described accommodation space, extend and be arranged in the described groove, in order to be electrically connected external cable, one end of described input subgroup is electrically connected respectively described circuit board, the other end respectively from described circuit board one side towards the downward-extension setting, in order to be electrically connected with described computer motherboard;

Metal shell coats described insulating body, and the metallic shield effect is provided;

Transformer module, be electrically connected on the described circuit board, this transformer module has two above transformers, each described transformer has respectively first siding ring and second siding ring, wherein said first siding ring is electrically connected described output subgroup, and described second siding ring is electrically connected described input subgroup;

At least one first surge prevention assembly is electrically connected on the described circuit board, and described at least one first surge prevention assembly is connected across between described first siding ring and the described output subgroup;

Solid-state semiconductor protection assembly is electrically connected on the described circuit board; And

The second surge prevention assembly is electrically connected on the described circuit board;

Wherein, described solid-state semiconductor protection assembly and described the second surge prevention assembly also is unified into parallel circuits; described first siding ring on the described transformer module has respectively the centre cap position, and described parallel circuits is electrically connected between described centre cap position and the described metal shell.

2. the connector with protection assembly according to claim 1 is characterized in that described two the above transformers in the described transformer module are isolating transformer.

3. the connector with protection assembly according to claim 2 is characterized in that, comprises four isolating transformers in the described transformer module.

According to claim 1 have the protection assembly connector; it is characterized in that; this connector also comprises wire-connecting; this wire-connecting is electrically connected on the described circuit board; one end of this wire-connecting is electrically connected to the grounded part of described solid-state semiconductor protection assembly and described the second surge prevention assembly, and the other end directly contacts with described metal shell.

According to claim 4 have the protection assembly connector; it is characterized in that; this connector also comprises back shroud; this back shroud covers in described insulating body rear; to cover described signal transmission module, described transformer module, the protection of described solid-state semiconductor assembly, described the first surge prevention assembly and described the second surge prevention assembly; offer perforation on the described back shroud, the other end of described wire-connecting passes described perforation, contacts with described metal shell.

According to claim 1 have the protection assembly connector; it is characterized in that; this connector also comprises resistance; this resistance is electrically connected on the described circuit board; this resistance and described the second surge prevention component string are unified into series circuit, and this series circuit and the described parallel circuits of described solid-state semiconductor protection module composition.

7. the connector with protection assembly according to claim 1 is characterized in that described the first surge prevention assembly is Transient Voltage Suppressor, and described the second surge prevention assembly is perhaps Transient Voltage Suppressor of high-tension electricity.

8. the connector with protection assembly according to claim 7 is characterized in that described transformer module, described the first surge prevention assembly and described the second surge prevention assembly are integrated circuit (IC) chip.

According to claim 1 have the protection assembly connector; it is characterized in that; this connector also comprises connector modules; this connector modules is arranged in the described accommodation space; this connector modules has the second metal shell; this second metal shell and described metal shell are electrically connected, and provide a shared ground connection pin by one of them of described metal shell or described the second metal shell.

According to claim 9 have the protection assembly connector; it is characterized in that; described connector modules is USB connector; described groove connects for the external cable of RJ-45 specification; described output subgroup is become by eight butt subgroups; described input subgroup is become by ten butt subgroups, and described output subgroup and described input subgroup are in order to transmit the signal of RJ-45.

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