CN203983644U - A kind of network interface transducer that embeds functional module - Google Patents
A kind of network interface transducer that embeds functional module Download PDFInfo
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- CN203983644U CN203983644U CN201420380879.2U CN201420380879U CN203983644U CN 203983644 U CN203983644 U CN 203983644U CN 201420380879 U CN201420380879 U CN 201420380879U CN 203983644 U CN203983644 U CN 203983644U
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Abstract
The utility model discloses a kind of network interface transducer that embeds functional module, comprise network interface switch main body, signal output terminal, functional module, metal shielding; Network interface switch main body comprises functional module cavity, signal input terminal, the general terminal of crystal head socket, crystal head insert port and screens spring leaf; Between described signal output terminal and described signal input terminal, be connected with functional module; Network interface switch main body outside is also provided with metal shielding; The ground unit of described functional module is connected with described metal shielding conducting, functional module can arrange various needed functional circuits, the network interface transducer of embedding functional module of the present utility model possesses the performances such as volume is little, low, the easy ground connection decayed, and practicality is high, easily promote.
Description
Technical field
The utility model relates to a kind of network interface transducer, has been specifically related to a kind of network interface transducer that embeds functional module.
Background technology
Along with the Internet expansion in the world, China Internet fast development, people also more and more depend on network, and the Internet has become a part indispensable in life.Domestic implementation be FTTH, an optical fiber direct is received family exactly.Specifically, FTTH refers to optical network unit is arranged on to household user or enterprise customer place, be in light access series except FTTD (fiber to the desk) the most close user's optical access network application type.And in whole network connection procedure, crystal head is important interface equipment, be a kind ofly can insert and automatically prevent the adapter of plastic that comes off along fixed-direction, for network communication, brightly must be called " crystal head " because its outward appearance is sparkling and crystal-clear as crystal.Crystal head is also applied to connection network card port, hub, switch, phone etc.
Crystal head is followed the mainboard of electronic equipment in succession by interface direct, when meeting with thunderbolt event, outside thunder and lightning is probably coupled to the mainboard of electronic equipment by netting twine, and then causes the damage of main board elements.Crystal head is in the market all effects of playing simple connection, also do not see and has the crystal head that possesses lightning protection function to sell, and in the time that front equipment end need to have lightning protection effect, conventionally can only be by increasing a thunder resisting equipment at incoming end.This has increased user and has used extra cost and the assembly space of network to a great extent.Therefore, on market, be badly in need of a kind of simple and easy, safe and reliable, can effectively to prevent the generation of broken by lightning components and parts situation novel technical solution of making.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of network interface transducer that embeds functional module is provided, under the prerequisite of size that meets standard interface, between the signal output terminal of network interface transducer and signal input terminal, be connected the functional module of various build-in function circuit, built-in functional circuit is as surge protecting circuit, filtering buffer circuit, the POE voltage stabilizing circuit of powering, chip identification technology, switching circuit, encrypted transmission, the circuit such as Bluetooth communication and WIFI transmission, the needed ground connection of circuit can be connected by the ground unit of relative set and the metal screen layer short circuit of network interface transducer, realize various needed scene application.
To achieve these goals, the utility model has adopted following technical scheme:
Embed a network interface transducer for functional module, comprise network interface switch main body (100), signal output terminal (2), functional module (3), metal shielding (7); Network interface switch main body (100) comprises functional module cavity (101), signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109) and screens spring leaf (108); Wherein, between described signal output terminal (2) and described signal input terminal (104), be connected with functional module (3); More than described signal output terminal (2) is inlaid with, group cambers and two end have the stitch bonding jumper (801) of L-type crotch, and described signal input terminal (104) has the many groups of plastic channel that can inlay the many groups of input metal pins (802) of functional module; Network interface switch main body (100) outside is also provided with metal shielding (7); The ground unit (9) of described functional module (3) is connected with described metal shielding (7) conducting.
The L-type crotch of described stitch bonding jumper (801) two end is made up of the long-armed and galianconism at right angles connecting respectively.
Long-armed in the L-type crotch of described stitch bonding jumper (801) two end is connected with of camber respectively, L-type crotch long-armed parallel to each other, and the galianconism of L-type crotch is also parallel to each other.
Described signal output terminal (2) has many group stitch bonding jumpers (801), and described functional module (3) has many group output metal pins (not shown); Many groups stitch bonding jumper (801) of described signal output terminal (2) is corresponding and be connection status one by one with many groups of described functional module (3) output metal pins respectively, in the plastic channel of the signal output terminal (2) that many groups stitch bonding jumper (801) of described signal output terminal (2) is fixed on.
Described signal output terminal (2) can be integrated on the plastic casing of functional module (3), many groups stitch bonding jumper (801) of signal output terminal (2) is corresponding one by one with many groups of output metal pins (not shown) of functional module (3), and many groups stitch bonding jumper (801) output metal pins corresponding with functional module (3) of signal output terminal (2) can connect by modes such as welding, clamping, crimping, Elastic Contact.Because the stitch bonding jumper (801) of signal output terminal (2) has L-type crotch for camber and two end, can be functional module (3) internal cavity slot milling, and the L-type crotch of two end is inserted in the shell of functional module, be convenient to fixing stitch bonding jumper (801), avoid stitch bonding jumper (801) displacement distortion or flick; Making network interface transducer repeatedly plug rear stitch bonding jumper (801) is also difficult for flicking coming off.
Further illustrate, according to the difference of functional module cavity (101) opening of network interface switch main body, the mode of the functional module cavity (101) of described functional module (3) embedded network interface convertor main body can be multiple to have, include but not limited to from above or below embed, side, left and right embed, front embed.
Preferably, described signal output terminal (2) also can be integrated in the front end of network interface switch main body (100), forms one with network interface switch main body.In this case, functional module cavity (101) is positioned between signal output terminal (2) and signal input terminal (104).Many groups stitch bonding jumper (801) of signal output terminal (2) is corresponding one by one with many groups of output metal pins of functional module (3), and many groups stitch bonding jumper (801) output metal pins corresponding with functional module (3) of signal output terminal (2) can connect by modes such as clamping, crimping, Elastic Contact.In the time that functional module (3) is connected in series mode and is clamping or Elastic Contact with signal input terminal and signal output terminal respectively, in the time that functional module (3) is damaged, can facilitate and directly change functional module (3), and without changing other assembly.Because the L-type crotch of stitch bonding jumper (801) two end of signal output terminal (2) is inserted in network interface switch main body (100) front end, lead-out terminal and the one-shot forming of network interface switch main body are integrated form, fix better stitch bonding jumper (801), avoid stitch bonding jumper (801) displacement distortion or flick; Making network interface transducer repeatedly plug rear stitch bonding jumper (801) is also difficult for flicking coming off.Further illustrate, described network interface switch main body comprises and is provided with successively integrated signal output terminal (2), functional module cavity (101), signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109).The back of network interface switch main body also has screens spring leaf (108).
Preferably, signal output terminal, the screens spring leaf that is positioned at network interface switch main body back and functional module can also be combined into the first half of network interface transducer, signal input terminal, the general terminal of crystal head socket, crystal head insert port are combined into the latter half of network interface transducer, front and back two parts combine by clamping or ultrasonic bonding, and form a kind of network interface transducer that embeds functional module at network interface transducer outer wrap metal shielding.
Functional module cavity (101) inside of described functional module (3) embedded network interface convertor main body (100), the many groups of input metal pins (301) of functional module (3) are positioned in many groups pin plastic channel of signal input terminal (104).
Further illustrate, the stitch plastic channel of signal input terminal can be fixed built-in stitch sheet metal or bonding jumper, the input metal pins that functional module is connected with signal input terminal can be made as stitch sheet metal or the bonding jumper elasticity with flexible wiring pin and signal input terminal and touch, and is convenient for changing functional module.
Further illustrate, the stitch plastic channel of signal output terminal can be fixed built-in stitch sheet metal or bonding jumper, the output metal pins that functional module is connected with signal output terminal can be made as stitch sheet metal or the bonding jumper elasticity with flexible wiring pin and signal output terminal and touch, and is convenient for changing functional module.
Described network interface transducer also comprises metal shielding (7).Metal shielding fixed packet is rolled in network interface switch main body outside by the bending leg that metal shielding edge is provided with multiple symmetries, and fixed placement is in functional module and the signal output terminal of the functional module cavity the inside of network interface switch main body.Metal shielding contacts with the ground unit of functional module.Metal shielding is also bending bending leg go deep into crystal head insert port certain distance at the crystal head insert port edge of network interface switch main body, guarantees can contact with metal shielding line with the screen of the cable of metal screen layer.The internal circuit of functional module also can be connected and ground connection with the metal shielding of electric network equipment interface by metal shielding.
Further illustrate, for prevent the signal output terminal in described network interface transducer stitch bonding jumper, functional module ground unit, input metal pins and or the stitch sheet metal oxidation and rusting of output metal pins, signal input terminal, preferably on these metal partss, electroplate corrosion resistant metal coating.
Further illustrate, network interface converter structure of the present utility model can be applicable to all kinds of RJ type crystal heads, to be applicable to each class standard RJ type attachment unit interface.
Further illustrate, network interface switch main body can adopt the plastic material of transparent printing opacity, is convenient to observe the line order of inserting after crystal head, neat degree, insertion depth etc.
The screens spring leaf (108) of described network interface transducer, fixing when guaranteeing that network interface transducer is connected with the corresponding interface, avoid skidding off of network interface transducer, can adopt resilient metal member to make, broken resistance, after being connected with the metal screen layer of network interface transducer for ground connection.
Further illustrate, for adapting to network line 100,000,000, gigabit, 10,000,000,000 transmission, distance between many groups stitch bonding jumper (801) of signal output terminal (2) and height each other can be set to standard compliant distance and height according to actual needs, like this, network interface transducer of the present utility model can be used for three classes, five classes, surpasses five classes, uses in six classes, seven class network lines.
Further illustrate, the utility model, in the situation that meeting standard interface, suitably lengthens network interface transducer, then in network interface switch main body, is connected in series functional module, functional module designs and embeds various functional circuits according to needed electric function, in order to realize corresponding demand.The built-in various electronic components of described functional module and electronic circuit, can include but not limited to respectively surge protection circuit, filtering buffer circuit, POE power supply voltage stabilizing circuit, chip recognizing circuit, signal switching circuit, bluetooth or WI-FI circuit etc.These circuit are connected in series with signal input terminal and signal output terminal respectively by many groups of input metal pins and many group output metal pins of functional module respectively.The needed ground connection of these circuit is connected with the ground unit of functional module.The ground unit of functional module can have one or more grounded metal pin.Ground unit is connected with the metal shielding of network interface transducer, has ensured that the circuit of functional module inside can be connected with extraneous grounding system.
Preferably, the length of the network interface transducer of embedding functional module, between 20～50mm, is easily installed in all kinds of places.
Preferably, in the plastic channel of the signal input terminal of network interface transducer, inject the transparent insulation silica gel of paste, both stoped the oxidation of network interface converter inside metal parts, stop again rainwater to pass through network interface transducer and infiltrate the electric network equipment connecting.
Compared with prior art, the beneficial effect that a kind of network interface transducer that embeds functional module of the present utility model possesses:
1, interface meets national standard, can will possess functional module embedded network interface convertor the integrated molding of types of functionality circuit according to actual requirement of engineering.
2, existing market is sold network ' s thunder device or other small product size are relatively very large, and these products are series between circuit and the network equipment, will increase by least one network jumper wire, have also increased the interface quantity of connection, and signal transmission attenuation increases.Embedded functional module of network interface transducer of the present utility model, volume is little, saves installing space, reduces interface quantity and the network jumper wire of connection, thereby reduces signal attenuation.
3, the ground unit of functional module is connected conducting with the metal shielding of network interface transducer, the internal circuit of functional module can be connected and ground connection with the metal shielding of electric network equipment interface by metal shielding, convenient and simple from grounding function, easily realize each port potential balance of electric network equipment.
4, network interface transducer of the present utility model is produced simply, and use cost reduces, easy for installation, practicality is high, easy popularization, highly versatile.
Brief description of the drawings
Fig. 1 be a kind of network interface transducer that embeds functional module of the present utility model structure vertical view;
Fig. 2 is the structure side perspective of a kind of network interface transducer that embeds functional module of the present utility model;
Fig. 3 is the structural representation of the functional module of integrated signal output terminal of the present utility model;
Fig. 4 is the structural representation of network interface switch main body of the present utility model;
Fig. 5 is the stereogram of a kind of network interface transducer that embeds functional module of the present utility model.
Fig. 6 is the electrical schematic diagram of an embodiment surge protecting circuit functional module of the present utility model;
Fig. 7 is the electrical schematic diagram of another embodiment surge protecting circuit functional module of the present utility model;
Reference numeral: 100-network interface switch main body, 2-signal output terminal, 3-functional module, 801-stitch bonding jumper, the input metal pins of 802-functional module, 101-functional module cavity, 104-signal input terminal, the general terminal of 107-crystal head socket, 108-screens spring leaf, 109-crystal head insert port, 7-metal shielding, the ground unit of 9-functional module, 10-functional circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated, but protection range of the present utility model is not limited to following examples.
As Figure 1-4, a kind of network interface transducer that embeds functional module, comprises network interface switch main body (100), signal output terminal (2), functional module (3), metal shielding (7); Network interface switch main body (100) is provided with functional module cavity (101), signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109) and screens spring leaf (108); Wherein, between described signal output terminal (2) and described signal input terminal (104), be connected with functional module (3); More than described signal output terminal (2) is inlaid with, group cambers and two end have the stitch bonding jumper (801) of L-type crotch, and described signal input terminal (104) has the many groups of plastic channel that can inlay the many groups of input metal pins (802) of functional module; Network interface switch main body (100) outside is also provided with metal shielding (7); The ground unit (9) of described functional module (3) is connected with described metal shielding (7) conducting.
The L-type crotch of described stitch bonding jumper (801) two end is made up of the long-armed and galianconism at right angles connecting respectively.
Long-armed in the L-type crotch of described stitch bonding jumper (801) two end is connected with of camber respectively, L-type crotch long-armed parallel to each other, and the galianconism of L-type crotch is also parallel to each other.
Described signal output terminal (2) has many group stitch bonding jumpers (801), and described functional module (3) has many group output metal pins (not shown); Many groups stitch bonding jumper (801) of described signal output terminal (2) is corresponding and be connection status one by one with many groups of described functional module (3) output metal pins respectively, in the plastic channel of the signal output terminal (2) that many groups stitch bonding jumper (801) of described signal output terminal (2) is fixed on.
As shown in Figure 3, described signal output terminal (2) can be integrated on the plastic casing of functional module (3), many groups stitch bonding jumper (801) of signal output terminal (2) is corresponding one by one with many groups of output metal pins (not shown) of functional module (3), and many groups stitch bonding jumper (801) output metal pins corresponding with functional module (3) of signal output terminal (2) can connect by modes such as welding, clamping, crimping, Elastic Contact.Because the stitch bonding jumper (801) of signal output terminal (2) has L-type crotch for camber and two end, can be functional module (3) internal cavity slot milling, and the L-type crotch of two end is inserted in the shell of functional module, be convenient to fixing stitch bonding jumper (801), avoid stitch bonding jumper (801) displacement distortion or flick; Making network interface transducer repeatedly plug rear stitch bonding jumper (801) is also difficult for flicking coming off.Further illustrate, described network interface switch main body comprises and is provided with successively functional module cavity (101), signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109).The back of network interface switch main body also has screens spring leaf (108).
Further illustrate, according to the difference of functional module cavity (101) opening of network interface switch main body, the mode of the functional module cavity (101) of described functional module (3) embedded network interface convertor main body can be multiple to have, include but not limited to from above or below embed, side, left and right embed, front embed.
Preferably, described signal output terminal (2) also can be integrated in the front end of network interface switch main body (100), forms one with network interface switch main body.In this case, functional module cavity (101) is positioned between signal output terminal (2) and signal input terminal (104).Many groups stitch bonding jumper (801) of signal output terminal (2) is corresponding one by one with many groups of output metal pins of functional module (3), and many groups stitch bonding jumper (801) output metal pins corresponding with functional module (3) of signal output terminal (2) can connect by modes such as clamping, crimping, Elastic Contact.In the time that functional module (3) is clamping or Elastic Contact with the mode that is connected in series of signal input terminal and signal output terminal respectively, in the time that functional module (3) is damaged, can facilitate and directly change functional module (3), and without changing other assembly.Because the L-type crotch of stitch bonding jumper (801) two end of signal output terminal (2) is inserted in network interface switch main body (100) front end, lead-out terminal and the one-shot forming of network interface switch main body are integrated form, fix better stitch bonding jumper (801), avoid stitch bonding jumper (801) displacement distortion or flick; Making network interface transducer repeatedly plug rear stitch bonding jumper (801) is also difficult for flicking coming off.Further illustrate, described network interface switch main body comprises and is provided with successively integrated signal output terminal (2), functional module cavity (101), signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109).The back of network interface switch main body also has screens spring leaf (108).
Preferably, can also be by signal output terminal (2), be positioned at the first half that the screens spring leaf (108) at network interface switch main body back and functional module (3) are combined into network interface transducer, signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109) is combined into the latter half of network interface transducer, front and back two parts combine by clamping or ultrasonic bonding, and form a kind of network interface transducer that embeds functional module at network interface transducer outer wrap metal shielding (7).
Functional module cavity (101) inside of described functional module (3) embedded network interface convertor main body (100), the many groups of input metal pins (301) of functional module (3) are positioned in many groups pin plastic channel of signal input terminal (104), as shown in Figure 3, many groups of input metal pins (301) ends of functional module (3) have the bonding jumper of the elasticity of flexure, be convenient in use and the many groups stitch Metal Contact conducting of signal output terminal that is inserted and secured on the crystal head of the general terminal of crystal head socket from crystal head insert port.
Further illustrate, the stitch plastic channel of signal input terminal can be fixed built-in stitch sheet metal or bonding jumper, the input metal pins that functional module is connected with signal input terminal can be made as stitch sheet metal or the bonding jumper elasticity with flexible wiring pin and signal input terminal and touch, and is convenient for changing functional module.
Further illustrate, the stitch plastic channel of signal output terminal can be fixed built-in stitch sheet metal or bonding jumper, the output metal pins that functional module is connected with signal output terminal can be made as stitch sheet metal or the bonding jumper elasticity with flexible wiring pin and signal output terminal and touch, and is convenient for changing functional module.
Described network interface transducer also comprises metal shielding (7).At metal shielding of network interface switch main body coated outside, can play shielding protection and ground connection effect, prevent external signal interference.Metal shielding edge is provided with the bending leg (for example 71,72,73) of multiple symmetries, metal shielding fixed packet is rolled in to network interface switch main body outside, and fixed placement is in functional module and the signal output terminal of the functional module cavity the inside of network interface switch main body.The metal shielding wherein bending leg (71) of symmetry contacts with the ground unit of functional module, form good conducting in order to ensure contact, metal shielding connects be connected welding manner or the elasticity that can adopt physically of the ground unit of functional module.Metal shielding is also bending bending leg (73) go deep into crystal head insert port certain distance at the crystal head insert port edge of network interface switch main body, guarantees can contact with metal shielding line with the screen of the cable of metal screen layer.The internal circuit of functional module also can be connected and ground connection with the metal shielding of electric network equipment interface by metal shielding.
Further illustrate, for prevent the signal output terminal in described network interface transducer stitch bonding jumper, functional module ground unit, input metal pins and or the stitch sheet metal oxidation and rusting of output metal pins, signal input terminal, preferably on these metal partss, electroplate corrosion resistant metal coating, for example, adopt gold as coating.
Further illustrate, network interface converter structure of the present utility model can be applicable to all kinds of RJ type crystal heads, to be applicable to each class standard RJ type attachment unit interface.
Further illustrate, network interface switch main body can adopt the plastic material of transparent printing opacity, is convenient to observe the line order of inserting after crystal head, neat degree, insertion depth etc.
The screens spring leaf (108) of described network interface transducer, fixing when guaranteeing that network interface transducer is connected with the corresponding interface, avoid skidding off of network interface transducer, can adopt resilient metal member to make, broken resistance, after being connected with the metal screen layer of network interface transducer for ground connection.
Further illustrate, for adapting to network line 100,000,000, gigabit, 10,000,000,000 transmission, distance between many groups stitch bonding jumper (801) of signal output terminal (2) and height each other can be set to standard compliant distance and height according to actual needs, like this, network interface transducer of the present utility model can be used for three classes, five classes, surpasses five classes, uses in six classes, seven class network lines.
Further illustrate, the utility model, in the situation that meeting standard interface, suitably lengthens network interface transducer, then in network interface switch main body, is connected in series functional module, functional module designs and embeds various functional circuits according to needed electric function, in order to realize corresponding demand.The built-in various electronic components of described functional module and electronic circuit, can include but not limited to respectively surge protection circuit, filtering buffer circuit, POE power supply voltage stabilizing circuit, chip recognizing circuit, signal switching circuit, bluetooth or WI-FI circuit etc.These circuit respectively the input metal pins of many groups by functional module and many group output metal pins respectively with the stitch sheet metal of signal input terminal and the stitch bonding jumper of signal output terminal corresponding being connected in series one by one.The needed ground connection of these circuit is connected with the ground unit of functional module.The ground unit of functional module can have one or more grounded metal pin.Ground unit is connected with the metal shielding of network interface transducer, has ensured that the circuit of functional module inside can be connected with extraneous grounding system.
Preferably, the length of the network interface transducer of embedding functional module, between 20～50mm, is easily installed in all kinds of places.
Preferably, in the plastic channel of the signal input terminal of network interface transducer, inject the transparent insulation silica gel of paste, both stoped the oxidation of network interface converter inside metal parts, stop again rainwater to pass through network interface transducer and infiltrate the electric network equipment connecting.
Further illustrate, as shown in Figure 6, in the functional circuit (10) of described functional module (3), comprise circuit L1～L8, inductive impedance XL1～XL8 (6011～6018) ,-XL1～-XL8 (6021～6028), thermistor PTC (6031); Circuit L1-L8 connects respectively eight heart yearns of crystal head lambda line cable; X
l1(6011)～X
l8(6018) ,-X
l1(6021) ,～-X
l8(6028) be respectively inductive impedance, PTC is thermistor (6031).X
l1(6011)～X
l8(6018) be connected in parallel each other, and be connected in series rear ground connection with macromolecular PTC thermistor (6031).-X
l1(6021) ,～-X
l8(6028) be also connected in parallel each other, and be connected in series with macromolecular PTC thermistor (6031).The input of circuit L1 and X
l1be connected, the output of circuit L1 and-X
l1be connected; The input of circuit L2 and X
l2be connected, the output of circuit L2 and-X
l2be connected; The input of circuit L3 and X
l3be connected, the output of circuit L3 and-X
l3be connected; The input of circuit L4 and X
l4be connected, the output of circuit L4 and-X
l4be connected; The input of circuit L5 and X
l5be connected, the output of circuit L5 and-X
l5be connected; The input of circuit L6 and X
l6be connected, the output of circuit L6 and-X
l6be connected; The input of circuit L7 and X
l7be connected, the output of circuit L7 and-X
l7be connected; The input of circuit L8 and X
l8be connected, the output of circuit L8 and-X
l8be connected; Wherein, inductive impedance span 10～200 microhenrys; Thermistor span 0.05 Europe, Europe～10; Preferably, inductive impedance span 25 microhenry～35 microhenrys; Thermistor span 0.1 Europe, Europe～0.5.
Wherein inductive impedance X
l1and inductive impedance-X (6011)
l1(6021) both are formed by two groups of coil windings that share same high frequency magnetic core, inductive impedance X
l1and inductive impedance-X (6011)
l1(6021) numerical value equates and coil winding opposite direction, therefore X
l1with-X
l1it is zero that two inductive impedance are added the total resistance obtaining.Similarly, X
l2with-X
l2, X
l3with-X
l3, X
l4with-X
l4, X
l5with-X
l5, X
l6with-X
l6, X
l7with-X
l7, X
l8with-X
l8two groups of coil windings that share respectively same high frequency magnetic core form, and coil can adopt copper conductor also can adopt other plain conductor coilings, also can draw at pcb board, thus X
l2with-X
l2, X
l3with-X
l3, X
l4with-X
l4, X
l5with-X
l5, X
l6with-X
l6, X
l7with-X
l7, X
l8with-X
l8inductive impedance to be added the total resistance obtaining be zero.But due to X
l1with X
l2～X
l8in arbitrary all not coilings on same high frequency magnetic core, similarly, X
l1with-X
l2～-X
l8in arbitrary also not coiling on same high frequency magnetic core, therefore X
l1with X
l2～X
l8and X
l1with-X
l2～-X
l8impedance is between any two added the total resistance obtaining and is not equal to zero.
PTC thermistor is the semiconductor resistor that a kind of typical case has temperature sensitivity, and while exceeding certain temperature (Curie temperature), its resistance value is along with the rising of temperature is increasing of step evolution.PTC thermistor very low resistance value is series to the position as shown in circuit (as Fig. 6), in the time that circuit is normally worked, electric current actual in circuit is very little, thermistor temp and room temperature are close, resistance is very little, be connected on and in circuit, can not hinder electric current and pass through, and in the time that circuit input end occurs overcurrent because of lightning induction surge, thermistor is because heating power increase causes temperature rise, resistance moment can increase severely, in loop, surge current is reduced to rapidly safety value, and the inductive impedance element in circuit can not damaged because power is too high.
When this circuit is embedded in network interface transducer, be equivalent to seal in the circuit shown in Fig. 6 in network line.Taking circuit L1 as example, when signal code by circuit L1 along IN input through X
l1transmission to the back-end, (X equals zero from circuit L1 input to the impedance of circuit L1 output
l1with-X
l1it is zero that two inductive impedance are added impedance equivalence), and be not equal to zero from circuit L1 input to the inductive impedance of other all circuit input/output terminals and earth terminal.Therefore, in the time that transmitting to the back-end by circuit L1, signal code will be subject to the frequency influence of signal.When low frequency, the inductive impedance that frequency produces is very little, low frequency signal will be filtered into ground, and the inductive impedance producing because of coil when high frequency is enough large, high-frequency signal can not be filtered into ground, can not be transferred on All other routes, only can transfer to circuit L1 output, thereby guarantee that proper communication passes through circuit L1.Similarly, when signal code is held through X along IN by circuit L2 input
l2transmission to the back-end, (X equals zero from circuit L2 input to the impedance of circuit L2 output
l2with-X
l2it is zero that two inductive impedance are added impedance equivalence), and be not equal to zero from circuit L2 input to the inductive impedance of other all circuit input/output terminals and earth terminal.Therefore, in the time that transmitting to the back-end by circuit L2, signal code will be subject to the frequency influence of signal.When low frequency, the inductive impedance that frequency produces is very little, low frequency signal will be filtered into ground, and the inductive impedance producing because of coil when high frequency is enough large, high-frequency signal can not be filtered into ground, can not be transferred on All other routes, only can transfer to circuit L2 output, thereby guarantee that proper communication passes through circuit L2.The operation principle of circuit L3～circuit L8 is also identical with circuit L1, L2, does not repeat them here.The spectral range overwhelming majority of the surge energy that lightning induction produces concentrates within the scope of 0～3MHz, and normal network transmission signal mainly concentrates on 10～1000MH
zin scope in even higher frequency range.The thunder and lightning surge energy of invading from each circuit will be entered ground by this short circuit, and the normal transmission signal of high frequency will by electromagnetism exchange and conduction to the back-end and signal attenuation is controlled to zone of reasonableness within.The more important thing is, because all circuits have all been realized one point earth at this circuit, guaranteed real equipotential protection effect.
Further illustrate, as shown in Figure 7, in network signal circuit, a multi-electrode discharge tube GDT (701) can also every circuit in the functional circuit (10) of described functional module (3) be connected in parallel respectively, the earth electrode ground connection of multi-electrode discharge tube GDT (701), in the time that surge overvoltage appears in arbitrary bars circuit, multi-electrode discharge tube GDT (701) is released into ground by electric discharge and by surge energy; And in GDT inside, simultaneously also by the electric discharge phenomena that occur between each electrode, the voltage between each electrode is also by suppressed, all circuits are protected.
The innovation of this circuit not only can be used for network interface transducer of the present utility model, can also be used for mixed-media network modules mixed-media, network transformer, disparate networks switching equipment simultaneously.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. embed a network interface transducer for functional module, comprise signal output terminal (2), metal shielding (7); It is characterized in that, also comprise network interface switch main body (100), functional module (3); Wherein, network interface switch main body (100) comprises functional module cavity (101), signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109) and screens spring leaf (108); Wherein, between described signal output terminal (2) and described signal input terminal (104), be connected with functional module (3); More than described signal output terminal (2) is inlaid with, group cambers and two end have the stitch bonding jumper (801) of L-type crotch, and described signal input terminal (104) has the many groups of plastic channel that can inlay the many groups of input metal pins (802) of functional module; Network interface switch main body (100) outside is also provided with metal shielding (7); The ground unit (9) of described functional module (3) is connected with described metal shielding (7) conducting; The L-type crotch of described stitch bonding jumper (801) two end is made up of the long-armed and galianconism at right angles connecting respectively; Long-armed in the L-type crotch of described stitch bonding jumper (801) two end is connected with of camber respectively, L-type crotch long-armed parallel to each other, and the galianconism of L-type crotch is also parallel to each other.
2. network interface transducer as claimed in claim 1, wherein:
Described signal output terminal (2) has many group stitch bonding jumpers (801), and described functional module (3) has many group output metal pins; Many groups stitch bonding jumper (801) of described signal output terminal (2) is corresponding and be connection status one by one with many groups of described functional module (3) output metal pins respectively, in the plastic channel of the signal output terminal (2) that many groups stitch bonding jumper (801) of described signal output terminal (2) is fixed on.
3. network interface transducer as claimed in claim 1 or 2, wherein:
Described signal output terminal (2) is integrated on the plastic casing of functional module (3), many groups stitch bonding jumper (801) of signal output terminal (2) is corresponding one by one with many groups of output metal pins of functional module (3), and many groups stitch bonding jumper (801) output metal pins corresponding with functional module (3) of signal output terminal (2) connects.
4. network interface transducer as claimed in claim 1 or 2, wherein:
Described signal output terminal (2) is integrated in the front end of network interface switch main body (100), forms one with network interface switch main body; Functional module cavity (101) is positioned between signal output terminal (2) and signal input terminal (104); Many groups stitch bonding jumper (801) of signal output terminal (2) is corresponding one by one with many groups of output metal pins of functional module (3), and many groups stitch bonding jumper (801) output metal pins corresponding with functional module (3) of signal output terminal (2) connects.
5. the network interface transducer as described in as arbitrary in claim 1 or 2, wherein:
Described signal output terminal (2), be positioned at the first half that the described screens spring leaf (108) at network interface switch main body back and described functional module (3) are combined into network interface transducer, signal input terminal (104), the general terminal of crystal head socket (107), crystal head insert port (109) is combined into the latter half of network interface transducer, front and back two parts combine by clamping or ultrasonic bonding, and form a kind of network interface transducer that embeds functional module at network interface transducer outer wrap metal shielding (7).
6. network interface transducer as claimed in claim 5, wherein:
Functional module cavity (101) inside of described functional module (3) embedded network interface convertor main body (100), the many groups of input metal pins (301) of functional module (3) are positioned in many groups pin plastic channel of signal input terminal (104), and many groups of input metal pins (301) ends of functional module (3) have the bonding jumper of the elasticity of flexure.
7. network interface transducer as claimed in claim 6, wherein:
The stitch plastic channel of described signal input terminal can be fixed built-in stitch sheet metal or bonding jumper, and the input metal pins that functional module is connected with signal input terminal can be made as stitch sheet metal or the bonding jumper elasticity with flexible wiring pin and signal input terminal and touch; The stitch plastic channel of described signal output terminal can be fixed built-in stitch sheet metal or bonding jumper, and the output metal pins that functional module is connected with signal output terminal can be made as stitch sheet metal or the bonding jumper elasticity with flexible wiring pin and signal output terminal and touch.
8. network interface transducer as claimed in claim 7, wherein:
Also comprise metal shielding (7); At metal shielding of network interface switch main body coated outside; Metal shielding edge is provided with the bending leg of multiple symmetries, and metal shielding fixed packet is rolled in to network interface switch main body outside, and fixed placement is in functional module and the signal output terminal of the functional module cavity the inside of network interface switch main body; Metal shielding wherein symmetrical bending leg (71) contacts with the ground unit of functional module, the ground unit of metal shielding and functional module be connected employing welding manner or elasticity connection; The metal shielding of crystal head is also bending go deep into crystal head insert port certain distance at the crystal head insert port edge of network interface switch main body, guarantees to contact with the screen of cable and the metal shielding line of crystal head of metal screen layer; The internal circuit of functional module also can be connected and ground connection with the metal shielding of electric network equipment interface by metal shielding.
9. network interface transducer as claimed in claim 8, wherein:
In the functional circuit (10) of described functional module (3), comprise circuit L1～L8, inductive impedance X
l1～X
l8(6011～6018) ,-X
l1～-X
l8(6021～6028), thermistor PTC (6031);
Wherein circuit L1-L8 connects respectively eight heart yearns of crystal head lambda line cable; X
l1(6011)～X
l8(6018) ,-X
l1(6021)～-X
l8(6028) be respectively inductive impedance, PTC is thermistor (6031); X
l1(6011)～X
l8(6018) be connected in parallel each other, and be connected in series rear ground connection ,-X with macromolecular PTC thermistor (6031)
l1(6021) ,～-X
l8(6028) be also connected in parallel each other, and be connected in series with macromolecular PTC thermistor (6031); The input of circuit L1 and X
l1be connected, the output of circuit L1 and-X
l1be connected; The input of circuit L2 and X
l2be connected, the output of circuit L2 and-X
l2be connected; The input of circuit L3 and X
l3be connected, the output of circuit L3 and-X
l3be connected; The input of circuit L4 and X
l4be connected, the output of circuit L4 and-X
l4be connected; The input of circuit L5 and X
l5be connected, the output of circuit L5 and-X
l5be connected; The input of circuit L6 and X
l6be connected, the output of circuit L6 and-X
l6be connected; The input of circuit L7 and X
l7be connected, the output of circuit L7 and-X
l7be connected; The input of circuit L8 and X
l8be connected, the output of circuit L8 and-X
l8be connected; Wherein, inductive impedance span 10～200 microhenrys; Thermistor span 0.05～10 Europe;
Wherein inductive impedance X
l1and inductive impedance-X (6011)
l1(6021) both are formed by two groups of coil windings that share same high frequency magnetic core, inductive impedance X
l1and inductive impedance-X (6011)
l1(6021) numerical value equates and coil winding opposite direction, X
l1with-X
l1it is zero that two inductive impedance are added the total resistance obtaining; X
l2with-X
l2, X
l3with-X
l3, X
l4with-X
l4, X
l5with-X
l5, X
l6with-X
l6, X
l7with-X
l7, X
l8with-X
l8two groups of coil windings that share respectively same high frequency magnetic core form, thus X
l2with-X
l2, X
l3with-X
l3, X
l4with-X
l4, X
l5with-X
l5, X
l6with-X
l6, X
l7with-X
l7, X
l8with-X
l8inductive impedance to be added the total resistance obtaining be zero; Due to X
l1with X
l2～X
l8in arbitrary all not coilings on same high frequency magnetic core, X
l1with-X
l2～-X
l8in arbitrary also not coiling on same high frequency magnetic core, X
l1with X
l2～X
l8and X
l1with-X
l2～-X
l8impedance is between any two added the total resistance obtaining and is not equal to zero.
10. network interface transducer as claimed in claim 9, wherein:
In the functional circuit (10) of described functional module (3), also comprise a multi-electrode discharge tube GDT (701); Every circuit L1～L8 multi-electrode discharge tube GDT (701) that is connected in parallel respectively, the earth electrode ground connection of multi-electrode discharge tube GDT (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380879.2U CN203983644U (en) | 2014-07-10 | 2014-07-10 | A kind of network interface transducer that embeds functional module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380879.2U CN203983644U (en) | 2014-07-10 | 2014-07-10 | A kind of network interface transducer that embeds functional module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983644U true CN203983644U (en) | 2014-12-03 |
Family
ID=51981062
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380879.2U Expired - Fee Related CN203983644U (en) | 2014-07-10 | 2014-07-10 | A kind of network interface transducer that embeds functional module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092064A (en) * | 2014-07-10 | 2014-10-08 | 广西南宁百兰斯科技开发有限公司 | Network interface converter with embedded functional module |
| CN111987499A (en) * | 2019-05-23 | 2020-11-24 | 沈阳明轩意航商贸有限公司 | Double-control network cable joint for improving network informatization safety |
-
2014
- 2014-07-10 CN CN201420380879.2U patent/CN203983644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092064A (en) * | 2014-07-10 | 2014-10-08 | 广西南宁百兰斯科技开发有限公司 | Network interface converter with embedded functional module |
| CN111987499A (en) * | 2019-05-23 | 2020-11-24 | 沈阳明轩意航商贸有限公司 | Double-control network cable joint for improving network informatization safety |
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