CN210111134U

CN210111134U - Plug and data line with same

Info

Publication number: CN210111134U
Application number: CN201921109471.0U
Authority: CN
Inventors: 张德辉
Original assignee: Shenzhen Wonder Precision Hardware Products Co Ltd
Current assignee: Dongguan aikede Electronic Technology Co.,Ltd.
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-02-21
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to a plug and have data line of this plug, its plug one end sets up in outside wire department, the other end sets up in outside electronic equipment's socket department, including terminal group and plastic sheath, inside terminal group was fixed in the plastic sheath, the plastic sheath was kept away from and is equipped with position portion on the face of terminal group, outside electronic component can be placed to position portion, and simultaneously, outside electronic component and terminal group electric connection, in order to realize exempting from the power supply mode of PCB board alright adjustment plug, plug self volume has been reduced, thereby reduce the overall length and realize ultrashort body design, and increase the inside usable space of plug, the cost of plug has been reduced simultaneously.

Description

Plug and data line with same

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electronic product accessory field, in particular to plug and have data line of this plug.

[ background of the invention ]

In general, in order to realize a PCB-free USB connector in the market, an electronic element which is supposed to be arranged on the PCB is directly arranged on a conductive terminal, so that the PCB-free USB connector is replaced, the space of the USB connector is saved, and a plurality of ultrashort-body products are produced;

however, the terminals themselves are thin and thin, and the terminals themselves are often provided with a plurality of protruding portions, and the protruding portions are wrapped inside the casing and are not the optimal choice for receiving electronic components.

[ Utility model ] content

In order to overcome the above problem, the utility model provides a plug.

The utility model discloses do not solve above-mentioned technical problem, provide as follows with technical scheme: the utility model provides a plug, one end sets up in outside wire department, the other end sets up in the socket department of outside electronic equipment, its characterized in that: the terminal set is fixed inside the plastic sheath, a positioning part is arranged on the surface of the plastic sheath far away from the terminal set, an external electronic element can be placed on the positioning part, and meanwhile, the external electronic element is electrically connected with the terminal set so as to achieve the purpose of avoiding a PCB (printed circuit board) and adjusting the power supply mode of the plug.

Preferably, the terminal set includes a first terminal and a second terminal, the first terminal and the second terminal are electrically connected, one of the first terminal or the second terminal, which faces the end of the external conducting wire, extends from the port at one end of the plastic sheath and then is bent upwards or downwards at an angle to form a contact terminal, and the contact terminal abuts against the port of the plastic sheath to realize flat-type electrical connection with the external conducting wire.

Preferably, after the external electronic component is placed in the positioning portion, a tin coating is made on the surface of the plastic sheath on the side provided with the positioning portion along the region from the positioning portion to the contact terminal to cover the region, so as to realize the electrical series connection of the external electronic component and the terminal group.

Preferably, the number of the contact terminals is 4, wherein two contact terminal types are GND and V +, respectively, the external electronic component is electrically connected in series with only two contact terminals of the corresponding type GND and V +, and the positioning portion and the type GND, V + are the two contact terminals with the same overall width.

Preferably, the electronic equipment further comprises a shell, the shell is used for being matched and plugged with a socket of external electronic equipment, the shell sleeve is embedded on the plastic sheath, a mounting plate extends out of one end, close to the contact terminal, of the shell, and an I-shaped boss is arranged on the mounting plate and fixed on the surface, far away from the plastic sheath, of the mounting plate.

Preferably, the first terminal and the second terminal are respectively provided with a first welding leg at one end close to the contact terminal, the first terminal and the second terminal are fixed by the first welding leg in a contact manner, and the first welding leg is exposed at one end of the housing, which is provided with the mounting plate.

Preferably, the external electronic component of the hook is a patch resistor, and the resistance value of the resistor ranges from 1K to 100K, and can be 51K, 10K, 2K, and 56K.

Preferably, the plastic sheath is opened with a vertical slot at the port facing the contact terminal, the vertical slot is arranged at the position corresponding to the contact terminal with the type of V +, and the vertical slot and the contact terminal have the same width.

Preferably, the plastic sheath includes first sheath and second sheath, and first sheath and second sheath are close to the one end of contact terminal, and both sides all stretch out and have the side ear, and the side ear corresponds the both sides that set up in worker shape boss position simultaneously, and the side ear exposes in the outer wall department of shell, and first sheath and second sheath accessible carry out any kind of spiro union, welding, magnetism, bonding in side ear department to realize first sheath and second sheath state and decide the connection.

For better explanation the utility model discloses, still provide a data line, its characterized in that: the data line comprises a lead, and the lead is electrically connected with the plug through a contact terminal.

Compared with the prior art, the utility model provides a plug has following advantage:

1. this plug locates electronic component on the sheath to the PCB board is exempted from in the realization, self volume has been reduced, thereby it realizes ultrashort body design and increase the inside usable space of plug to reduce the overall length, has reduced the cost of plug simultaneously, than current locate terminal group with electronic component, this technical means adopts the plastic sheath, it is more stable to accept electronic component, the yield is higher relatively, and put the electronic component pad and expose, this electronic component of state welds again when plug shaping.

2. Through bending the terminal in USB socket department, in order to constitute vertical contact terminal, rethread contact terminal and wire are connected, in order to realize the flat welding and increased area of contact, welded stability and reliability have greatly been increased simultaneously, the angle of contact terminal and shell is perpendicular, when the plug inserts electronic product promptly, the wire is in electronic product vertically direction, consequently, when this plug of pegging graft uses electronic product on one side in user's limit messenger, be difficult to arouse plug and wire to take place to desolder and become flexible because of bending, and the user is in the use, can not disturb because of the wire, thereby the more convenient electronic product of holding.

The contact terminal is exposed out of the shell and clings to the outer wall of the shell, so that the shell can have the effect of abutting against the contact terminal in the welding process of the contact terminal and the lead, and the contact terminal is prevented from being stressed, inclined or misplaced due to spot welding or other processes.

3. The first terminal and the second terminal of the plug are provided with first welding feet for connecting the first terminal and the second terminal mutually, so that the first terminal and the second terminal are fixed and stable, and the reliability of data transmission or charging is further improved; and the first welding leg is exposed out of the shell, so that the integral assembly and forming of the plug can be conveniently carried out and then spot welding is carried out.

4. The four contact terminals adopt the most popular differential signals, one signal is transmitted by a pair of wires, D + and D-are a pair of differential signals and are responsible for transmitting Data signals, namely Data, and GND and V + are another pair of differential signals and are responsible for electric energy signals, namely Data, so that the capacity of resisting interference is improved, and the Data transmission rate can be improved.

5. Increase a plurality of worker shape bosss on the shell, through the area of contact who increases contact terminal and wire rod contact surface to strengthen the adhesive force after the product shaping, guarantee that shaping trailing flank hangs gravity and reaches more than 3 KG.

6. Utilize the pothook joint to advance the fixed slot of plastic sheath, can further strengthen the connection steadiness between first sheath and the second sheath, and only need utilize the protruding joint of arc on the pothook to advance the fixed slot of plastic sheath can, convenient operation is simple and easy, reduces the preparation degree of difficulty, has increased preparation efficiency and cost-effectiveness.

7. The pad in the setting part can be pasted with an external electronic element, so that the power supply mode of the plug is changed.

8. The vertical groove corresponding to the V + position of the contact terminal is formed in the first sheath or the second sheath, so that the V + contact terminal is prevented from contacting another contact terminal in the bending process, and a short circuit is prevented.

9. First sheath with the second sheath all is equipped with the side ear in the end that is close to contact terminal equally, further increases the connection stability of first sheath and second sheath through spiro union, welding, magnetism, bonding.

10. The plug is provided with a position part on the sheath, a pad which is electrically connected in series is arranged in the position part, the position part and the terminal group are directly connected in series, and nonstandard design can be conveniently realized by welding resistors in the pad; and makes the plug removable.

11. The plug Type can be any one of Type C, lighting and Micro Usb, and the technical means can be realized by common plugs.

[ description of the drawings ]

Fig. 1 is a first exploded view of a plug according to a first embodiment of the present invention.

Fig. 2 is a right side view of a terminal set in a plug according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a terminal group in a plug according to a first embodiment of the present invention;

fig. 4a is a partial schematic view of a plug provided in accordance with a first embodiment of the present invention;

FIG. 4b is a schematic view of another perspective of FIG. 4a according to the present invention;

fig. 5 is a second exploded view of the plug provided by the present invention;

fig. 6a is a third exploded view of the plug provided by the present invention;

fig. 6b is a partial exploded view of the plug provided by the present invention;

fig. 7a is a top view of a plug provided by the present invention;

figure 7b is a cross-sectional view a-a of figure 7a according to the present invention.

Fig. 8 is a schematic structural diagram of a data line according to a first embodiment of the present invention.

Description of reference numerals:

200. a plug; 201. an external electronic component; 1. a terminal group; 11. a first terminal; 12. a second terminal; 2. a plastic sheath; 21. a first sheath; 22. A second sheath; 3. a hook; 31. a support arm; 32. a through hole; 4. a housing; 41. an I-shaped boss; 42. mounting a plate; 50. a contact terminal; 50a, a first contact terminal; 50b, a second contact terminal; 50c, a third contact terminal; 50d, a fourth contact terminal, 60, a first solder tail; 70. fixing grooves; 80. A lateral ear; 81. a rectangular column; 90. a vertical slot; 100. a positioning part; 101. a pad; 201. an external electronic component.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a plug 200 for implementing data and power transmission includes one end of the plug 200 disposed at an external wire and the other end disposed at a socket of an external electronic device;

the plug 200 Type may be Type C, Lightning, micro usb, and the embodiment is optionally Type C.

As shown in fig. 1, the plug 200 includes a terminal set 1 and a plastic sheath 2, the terminal set 1 is disposed inside the plastic sheath 2, a positioning portion 100 is disposed on an outer surface of the plastic sheath 2 near one side of the terminal set 1, the positioning portion 100 can be understood as a groove on the plastic sheath 2, and therefore an external electronic component 201 can be disposed in the positioning portion 100, wherein a depth and a size of the positioning portion 100 can be designed according to the external electronic component 201, so that a space of the positioning portion 100 can be fully utilized;

it can be understood that, in practical use, the voltage value of the daily electricity consumption is 220v, which cannot be directly used for electric energy transmission, and therefore the plug 200 needs to step down the voltage thereof, and those skilled in the art can easily understand that, for example, a conventional plug often connects a PCB in series at the connection between the terminal set 1 and the external lead, the PCB is provided with a plurality of electronic components, such as resistors, etc., which are used for stepping down and also can be used for forcibly identifying the power supply and data transmission directions to determine the device access and the device type, but the PCB occupies more space, thereby increasing the volume of the plug, so that the electronic components that should be arranged on the PCB are directly arranged on the terminal set 1 in the product of the existing plug, but the terminal set 1 is thin, which results in difficult processing and insufficient stability, and therefore the electronic components on the terminal set 1 can easily contact with each other to result in short circuit, therefore, the utility model directly arranges the external electronic component 201 on the outer surface of the plastic, the external electronic component 201 is electrically connected in series with the terminal group 1, so that the power supply mode of the terminal group 1 can be changed, the design without a PCB is realized, and the space can be saved so that the plug 200 can be manufactured more precisely.

Further, based on the above conditions, the total length of the plug 200 may be set to not more than 9. 5 MM.

It can be understood that, as described above, when the external electronic component 201 is disposed on the plastic sheath 2, how the terminal set 1 and the external electronic component 201 solve the problem of electrical connection greatly determines the performance attribute of the plug 200, and under the condition of ensuring stability, it is required to ensure that the resistance value is accurate, and the implementation manner thereof is as follows:

referring to fig. 2 and fig. 3, the terminal set 1 includes a first terminal 11 and a second terminal 12, and the first terminal 11 is electrically connected to the second terminal 12; one of the first terminal 11 or the second terminal 12, which faces the end of the external wire, extends out of the plastic sheath 2, and then is bent upward or downward at an angle with the port edge line of the plastic sheath 2 as an axis to form the contact terminal 50, so as to achieve a flat-type electrical connection with the external wire, and the thicknesses of the first terminal 11 and the second terminal 12 should not exceed 0. 15cm, and prevents cracks from generating during bending.

It can be understood that the angle a of the bend is: the angle between the non-bent portion and the bent portion (contact terminal 50) of the terminal set 1.

Optionally, in the present embodiment, the second terminal 12 is extended and then bent upward to form the contact terminal 50, and the bent angle a is 90 °; so that the contact terminal 50 is exposed at one end of the plastic sheath 2 and at the same time, its side facing the plastic sheath 2 abuts against the outer wall of the port at the end

Referring to fig. 3 and fig. 4a, the first terminal 11 and the second terminal 12 are provided with first solder feet 60 at two sides close to the contact terminal 50, the first terminal 11 and the second terminal 12 are fixed by contact welding of the first solder feet 60, and after the terminal set 1 is disposed inside the plastic sheath 2, the first solder feet 60 are exposed out of the plastic sheath 2 to facilitate the second repair welding.

Referring to fig. 4a, 4b and 6b, the plastic sheath 2 includes a first sheath 21 and a second sheath 22, side ears 80 extend from two sides of the first sheath 21 and the second sheath 22 near the contact terminal 50, and the first sheath 21 and the second sheath 22 can be attached to each other by performing any one of screwing, welding, magnetic attraction and adhesion, optionally welding, on the side ears 80.

With continued reference to fig. 4a, the contact terminals 50 can be divided into four common terminals using differential signaling: designated 50a, 50b, 50c, 50D respectively, the two outermost ends of which, namely the first 50a and fourth 50D contact terminals, are of the type D +, D-, and the two intermediate ends, namely the second 50b and third 50c contact terminals, are of the type V +, GND respectively

Referring to fig. 4b, on the surface of the plastic sheath 2 on the side of the positioning portion 100, along the region from the positioning portion 100 to the contact terminal 50, it can be understood that the positioning portion 100, the second contact terminal 50b and the third contact terminal 50c are two limited boundaries, and the two limited boundaries are in the region enclosed by the surface of the plastic sheath 2, so as to place the external electronic component 201 behind the positioning portion 100; a tin layer is coated on the surface of the region to completely cover the region, so that the external electronic component 201 is electrically connected in series between the second contact terminal 50b and the third contact terminal 50 c.

Further, the setting portion 100 should have the same width as the second contact terminal 50b and the third contact terminal 50c to facilitate the linear tin coating, so as to prevent the missing of the tin coating and the edge rubbing, which may cause the short circuit or mutual interference of the other contact terminals 50 connected in series; exemplary are as follows: the second contact terminal 50b and the first contact terminal 50a are prevented from being connected in series.

In some embodiments, the second terminal 12 is bent twice toward the positioning portion 100 again by using the upper edge of the plastic sheath 2 as an axis, so that the 1 ニ times bent portion of the terminal group 1 is attached to the upper surface of the plastic sheath 2; it should be understood that, in the above embodiment, the second terminal 12 may be bent once, so that the second terminal 12 is bent twice, and if the first terminal 11 is bent once, the first terminal 11 is bent twice, so long as the external electronic component 201 is electrically connected in series with the second contact terminal 50b and the third contact terminal 50 c.

Further, in practical production, after the external electronic component 201 is placed in the positioning portion 100 and connected in series between the second contact terminal 50b and the third contact terminal 50c, a furnace process is subsequently adopted to mold the tin material, so as to fix the external electronic component 201, and at the same time, the external electronic component 201 and the contact terminal 50 are firmly and electrically connected, wherein it can be understood that the D +/D-end on the contact terminal 50 is also a conventional connection method, a short circuit/QC protocol/apple protocol, etc.;

it can be understood that, the second contact terminal 50b and the third contact terminal 50c are respectively a V + end and a GND end, and two second solder tails (not shown) are disposed on the second contact terminal 50b, that is, the second contact terminal 50b is electrically connected in series with the external electronic component 201 through the tin layer and then connected in series with the third contact terminal 50 c; the Type-C requires a resistance between the pin CC and the Vbus, in this embodiment, the four Vbus pins a4, a9, B4 and B9 in Type C are all differentially disposed on the second contact terminal 50B, and the CC is differentially disposed on the third contact terminal 50B, i.e., the power mode of the plug 200 can be changed by connecting the external electronic component 201 in series.

Specifically, when the external electronic component 201 is a 56K resistor, the plug 200 is in the default usb power supply mode, when the external electronic component 201 is a 22K resistor, the plug 200 is in the 5V/15A capability supply mode, and similarly, when the external electronic component 201 is a 10K resistor, the plug 200 is in the 5V/3A capability.

Referring to fig. 5, the plug 200 includes a housing 4 and a hook 3, the housing 4 is an insulating housing 4, and the housing 4 is used for matching with a socket of an external electronic device; exemplary are as follows: type c unique oblate shell.

The outer shell 4 is embedded on the plastic sheath 2, the hook 3 is arranged between the first terminal 11 and the second terminal 12, the terminal group 1 is arranged between the first sheath 21 and the second sheath 22, the terminal group 1 and the plastic sheath 2 wrap the inner part of the outer shell 4 layer by layer, and the side lugs 80 and the first welding feet 60 are exposed out of the shell.

Referring to fig. 6a and 6b, specifically, during actual installation, the first sheath 21 and the second sheath 22 are fixedly connected to the side ears 80 by welding, a space (not shown) is left between the first sheath 21 and the second sheath 22, when the first sheath 21 and the second sheath 22 are fixedly connected, the spaces on both sides of the sheath can be combined into a fixing groove 70 on both side walls of the sheath, the hook 3 is a common U-shaped hook and includes two support arms 31 with arc-shaped protrusions, the hook 3 is located between the first terminal 11 and the second terminal 12, and the hook 3 is fixed to the fixing groove 70 by the two support arms 31 in a clamping manner;

furthermore, a mounting plate 42 extends from one end of the housing 4 close to the contact terminal 50, and an i-shaped boss 41 is arranged on the mounting plate 42, and the i-shaped boss 41 is fixed on the surface of the mounting plate 42 away from the plastic sheath 2.

It can be understood that four mounting plates 42 are extended out from one end of the shell 4 close to the contact terminal 50, except for the four mounting plates 42, other spaces can expose the side lug 80 and the first welding leg 60, so that the welding is realized after the forming, the manufacturing process is convenient, the I-shaped boss 41 is used for increasing the cross-sectional area of the whole plug 200 at one end of the contact terminal 50, the structural bearing strength of the end is improved, the adhesive force of the formed product is enhanced, and the lifting weight of the formed surface is ensured to reach 2. 5KG to 3. 5 KG.

When plug 200 is inserted into a socket of an external electronic device, the arcuate projections on arms 31 function to snap fit with elements inside the socket of the external electronic device.

Further, a through hole 32 is formed in the hook 3, a rectangular column 81 is arranged on the first sheath 21 or the second sheath 22, optionally, a rectangular column 81 is arranged on the second sheath 22, the rectangular column 81 and the through hole 32 are matched with each other, and thus the hook 3 is further limited by the rectangular column 81 and the through hole 32.

Furthermore, the plastic sheath 2 is opened with a vertical slot 90 at the port facing the contact terminal 50, the vertical slot 90 is disposed at the position corresponding to the second contact terminal 50b, and the width of the vertical slot 90 is equal to that of the second contact terminal 50 b.

It can be understood that the second contact terminal 50b corresponds to a V + end, and when the second contact terminal 50b is bent and coated with tin, it is easily touched by other terminals, thereby causing short circuit and causing product failure, so that the vertical groove 90 can independently open the second contact terminal 50b, so that it is not easily touched by other contact terminals 50, thereby improving the yield of the product manufacturing process and the reliability of the product in the using process.

A convex part (not shown) or a concave part (not numbered) is arranged at one end of the terminal group 1 far away from the contact terminal 50, a groove (not shown) or a convex groove (not shown) is correspondingly arranged on the plastic sheath 2, the terminal group 1 is arranged in the plastic sheath 2 and is mutually lapped and fixed with the plastic sheath 2 through the convex part, the concave part, the groove and the convex groove; the terminal set 1 and the plastic sheath 2 are engaged by a protrusion and a recess in an overlapping manner, which is a common technical means known to those skilled in the art and will not be described herein.

Referring to fig. 7a, as a variation, at least two pads 101 may be disposed in the positioning portion 100, the pads 101 are connected in series, and the same external electronic component 201 may be disposed on the pads; the pads 101 at different positions are connected to different pins of the second contact terminal 50b, and when the external electronic component 201 is connected, which power supply mode is controlled to be executed can be realized according to specific requirements by selecting different pads.

Referring to fig. 7b, after the plug 200 is completely formed, the housing 4 encloses the first sheath 21 and the second sheath 22, the first terminal 11 is fixed on the first sheath 21 in an overlapping manner, the second terminal 12 is fixed on the second sheath 22 in an overlapping manner, the first sheath 21 and the second sheath 22 are welded into a whole, the first terminal 11 and the second terminal 12 are not in contact with each other, the hook 3 is located between the first terminal 11 and the second terminal 12, one end of the plug 200 is connected with an external wire, one end of the plug is located in the socket ロ of the external electronic device, the first terminal 11, the second terminal 12 and the hook 3 are matched with the external electronic device, and the wire is welded to the contact terminal 50, thereby realizing complete data transmission

Referring to fig. 8, a data line includes the plug 200, and the data line includes a conductive wire (not shown), and the conductive wire is electrically connected to the plug 200 through the contact terminal 50.

Specifically, the data line lead wires are electrically connected to the corresponding first contact terminal 50a, second contact terminal 50b, third contact terminal 50c, and fourth contact terminal 50d, and are optionally fixed on the surface of the contact terminal 50 away from the positioning portion 100 by welding.

The above is only a preferred embodiment of the present invention, and should not be limited to the present invention, and any modifications, equivalent replacements, and improvements made within the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plug, one end sets up in outside wire department, the other end sets up in the socket department of outside electronic equipment, its characterized in that: including terminal group and plastic sheath, terminal group is fixed in inside the plastic sheath, the plastic sheath is equipped with the position portion on keeping away from the face of terminal group, and outside electronic component can be placed to the position portion, and simultaneously, outside electronic component and terminal group electric connection to the realization avoids the PCB board alright adjustment plug's power supply mode.

2. The plug as described in claim 1 wherein: the terminal group comprises a first terminal and a second terminal, the first terminal and the second terminal are electrically connected, one of the first terminal or the second terminal faces to the end part of the external lead, extends out from a port at one end of the plastic sheath and then is bent upwards or downwards in an angle to form a contact terminal, and the contact terminal is tightly close to the port of the plastic sheath so as to be in flat-attached type electrical connection with the external lead.

3. The plug as described in claim 2 wherein: after the external electronic element is placed in the positioning part, a tin coating is coated on the surface of the plastic sheath on the side provided with the positioning part and along the region from the positioning part to the contact terminal so as to cover the region, so that the external electronic element and the terminal group are electrically connected in series.

4. The plug as described in claim 2 wherein: the number of the contact terminals is 4, wherein the types of the two contact terminals are GND and V +, respectively, the external electronic element is electrically connected in series with the two contact terminals of the corresponding type GND and V +, the positioning part and the two contact terminals of the type GND and V + are consistent in overall width.

5. The plug as described in claim 2 wherein: the plastic sheath is characterized by further comprising a shell, the shell is used for being mutually matched and connected with a socket of external electronic equipment, the shell sleeve is embedded on the plastic sheath, a mounting plate extends out of one end, close to the contact terminal, of the shell, an I-shaped boss is arranged on the mounting plate, and the I-shaped boss is fixed on the mounting plate and is far away from the surface of the plastic sheath.

6. The plug as described in claim 5 wherein: the first terminal and the second terminal are respectively and correspondingly provided with a first welding leg close to one end of the contact electron, the first terminal and the second terminal are fixed through the contact of the first welding legs, and the first welding legs are exposed out of one end, provided with the mounting plate, of the shell.

7. The plug as described in claim 2 wherein: the clamping hook is characterized by further comprising a clamping hook, wherein a support arm with an arc-shaped bulge is arranged on the clamping hook, two side walls of the plastic sheath are provided with fixing grooves, the clamping hook is located between the first terminal and the second terminal, and the clamping hook is fixed in the fixing grooves through the support arm in a clamping mode.

8. The plug as described in claim 1 wherein: the external electronic element is a patch type resistor, and the resistance value of the resistor element ranges from 1K to 100K and can be 51K, 10K, 2K and 56K.

9. The plug as described in claim 4 wherein: the plastic sheath orientation the port department of contact terminal opens there is perpendicular groove, it is V + the type to erect the groove the position that contact terminal corresponds, just erect the groove with this contact terminal's width equals.

10. The plug as described in claim 5 wherein: the plastic sheath includes first sheath and second sheath, first sheath with the second sheath is close to the one end of contact terminal, and both sides have all been stretched out and have been leaned on the ear, simultaneously the ear correspondence of inclining sets up the both sides of worker's shape boss position, the ear of inclining expose in the outer wall department of shell, first sheath with the second sheath accessible be in any kind of spiro union, welding, magnetism are inhaled, the bonding is carried out to ear department of inclining, in order to realize first sheath with the second sheath state is surely connected.

11. A data line, characterized by: the data line comprising the plug of any of claims 1-10, the data line comprising a wire, the wire being electrically connected to the plug via a contact terminal.