Electric connector and have the electronic equipment of electric connector
Technical field
The utility model relates to a kind of electric connector and has the electronic equipment of this electric connector.
Background technology
Use electric connector and realize that the application of two electronic equipments electrical connection is very universal, such as USB connector.Usually, an end that is electrically connected with computer main board that is arranged on as on the computer main board is called female, will be arranged on as storage card is first-class and be easy to carry, the end that is electrically connected with portable equipment on the portable equipment of small volume is called male.Male comprises the cable of being used as the metal grafting shell of grafting, the plastic housing that is connected with this metal grafting shell and being connected with plastic housing with female, and cable is drawn by portable equipment usually.When male and female grafting, the metal grafting shell of male is contained in the female, is plastic housing and cable and be exposed to extraneous part.Because plastic housing is insulating material, therefore, when the static that produces when the external world need to be sought electrostatic discharging path, tend to by metal grafting shell as its discharge path and ground connection, then by the interference that is arranged at the vehicular signal transmission of conducting terminal in the metal grafting shell and can be subject to electrostatic energy, cause affecting the transmission quality of signal, even affect the quality of two electronic equipments.
The utility model content
Given this, be necessary to provide a kind of electric connector better to the protection effect of static.
Also be necessary to provide a kind of electronic equipment with above-mentioned electric connector.
A kind of electric connector; this electric connector comprises metal grafting shell; the insulation shell that is connected with this metal grafting shell; conducting terminal and the cable that is connected with this insulation shell; this conducting terminal is contained in the receiving space of this metal grafting shell and insulation shell formation; this cable is from the outside to the interior protective layer that sequentially comprises; the first metal shielding layer; insulating barrier; the second metal shielding layer and conductive core line; this conducting terminal and this conductive core line conducting; this the first metal screen layer ground connection; has the electric conductor with this first metal screen layer conducting in this insulation shell; this electric conductor and this metal grafting shell and all not conductings of conducting terminal, this insulation shell have through hole make exposed this second metal shielding layer ground connection of this electric conductor and with this metal grafting shell conducting.
Series limiting resistor between this electric conductor and this first metal shielding layer is to consume static.
This through hole is the micropore that evenly arranges.
This through hole is the bar hole that is arranged in parallel.
The area of plane of the shared insulation shell of through hole is less than the area of plane without the shared insulation shell of the part of through hole in this insulation shell.
This electric conductor has circulus, and this circulus supports this insulation shell, and this conducting terminal is connected with the inside of this conductive core line in the circulus of this electric conductor.
A kind of electronic equipment with electric connector; this electronic equipment has circuit main board also can be according to input; output signal work; this electronic equipment comprises electric connector; this electric connector comprises metal grafting shell; the insulation shell that is connected with this metal grafting shell; the cable and the conducting terminal that are connected with this insulation shell; this conducting terminal is contained in the receiving space of this metal grafting shell and insulation shell formation; this cable is from the outside to the interior protective layer that sequentially comprises; the first metal shielding layer; insulating barrier; the second metal shielding layer and conductive core line; this conducting terminal and this conductive core line conducting; this the first metal screen layer ground connection; has the electric conductor with this first metal screen layer conducting in this insulation shell; this electric conductor and this metal grafting shell and all not conductings of conducting terminal; this insulation shell has through hole makes this electric conductor exposed, this second metal shielding layer ground connection and with this metal grafting shell conducting.
Series limiting resistor between this electric conductor and this first metal shielding layer is to consume static.
This through hole is the micropore that evenly arranges.
This through hole is the bar hole that is arranged in parallel.
Compared with prior art, when above-mentioned electric connector produces static in the external world, static selects the interior electric conductor of insulation shell as the discharge path of static by the through hole on this insulation shell, this electric conductor is via the first metal shielding layer ground connection of this cable, and then with this electrostatic grounding, thereby avoid static to interference and the destruction of the transmission of electronic equipment signal, the effect of the antistatic of connector is better.
Description of drawings
Fig. 1 is the schematic perspective view of electric connector the first execution mode of the present utility model.
Fig. 2 is the schematic cross-section of the cable that is connected with electric connector among Fig. 1.
Fig. 3 is the electrical connection schematic diagram of electric connector internal electrical cable among Fig. 1.
Fig. 4 is that electric connector is connected the also schematic diagram of ground connection among Fig. 1 with its electronic equipment.
Fig. 5 is another execution mode neutral body schematic diagram of electric connector among Fig. 1.
The main element symbol description
| Electric connector |
100 |
| Metal grafting shell |
110 |
| Insulation shell |
150 |
| Cable |
190 |
| Conducting terminal |
180 |
| Receiving space |
140 |
| Protective layer |
191 |
| The first metal shielding layer |
193 |
| Insulating barrier |
195 |
| The second metal shielding layer |
197 |
| Conductive core line |
199 |
| Sidewall |
112 |
| Side wall |
152 |
| Electric conductor |
170 |
| Side plate |
171 |
| Through hole |
155 |
| Current-limiting resistance |
160 |
| Electronic equipment |
200 |
| Circuit main board |
201 |
Following embodiment further specifies the utility model in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1, Fig. 1 is the schematic perspective view of the utility model electric connector the first execution mode.Electric connector 100 comprises metal grafting shell 110, insulation shell 150, cable 190 and conducting terminal 180.One end of this insulation shell 150 is connected with this metal grafting shell 110, and the relative other end is connected with this cable 190.This conducting terminal 180 is contained in this metal grafting shell 110, and with being electrically connected of this cable 190.
This metal grafting shell 110 comprises four sidewalls 112 that head and the tail sequentially connect, and the space that this four sidewall 112 forms consists of the part of this receiving space 140.This conducting terminal 180 is contained in this receiving space 140, and is connected with these metal grafting shell 110 nothings.
See also Fig. 2, this cable 190 sequentially comprises protective layer 191, the first metal shielding layer 193, insulating barrier 195, the second metal shielding layer 197 and a plurality of conductive core line 199 from the outside to its center.Each conductive core line 199 is electrically connected with a conducting terminal 180.
See also Fig. 3 and Fig. 4, this insulation shell 150 comprises four side walls 152 that head and the tail sequentially connect.These insulation shell 150 interior electric conductors 170 that further comprise.In the present embodiment, this electric conductor 170 forms for the polylith metallic plate.This electric conductor 170 comprises four side plates 171 that head and the tail sequentially connect.In the present embodiment, the mode of this electric conductor 170 and these insulation shell 150 extra quality moulding is made into and is integrated.Because the intensity of the electric conductor 170 of metal is higher, therefore, this electric conductor 170 can support this insulation shell 150 and make insulation shell 150 keep predetermined shape and not yielding.Four side plates 171 of this electric conductor 170 and these insulation shell 150 4 side walls 152 common circuluses that form, the space that this circulus forms consists of another part of this receiving space 140.On the side wall 152 of this insulation shell 150 position that should electric conductor 170 had through hole 155, to make this electric conductor 170 exposed.This through hole 155 can be evenly distributed circular micropore, also can be the bar hole that is arranged in parallel as shown in Figure 5.Preferably, in this insulation shell 150 area of plane of the shared insulation shell 150 of through hole 155 less than the area of plane without the shared insulation shell 150 of the part of through hole.
During assembling, this conducting terminal 180 is contained in this receiving space 140, and with this metal grafting shell 110 and this electric conductor 170 all not conductings.Each this conducting terminal 180 is electrically connected with a conductive core line 199 of this cable 190 in the inside of this electric conductor 170.The second metal shielding layer 197 of this cable 190 is connected with this metal grafting shell 110 and conducting; This first metal shielding layer 193 and these electric conductor 170 conductings, these cable 190 ground connection, and then make this electric conductor 170 and this metal grafting shell 110 ground connection.Preferably, series limiting resistor 160 between this electric conductor 170 and this first metal shielding layer 193 is to consume static.
During work, this metal grafting shell 110 inserts in the connector of other electronic equipments, and conducting terminal 180 is made handshaking with other electronic equipments.When the external world produces static, this static selects this electric conductor 170 as the discharge path of static by the through hole 155 on this insulation shell 150, this electric conductor 170 is via the first metal shielding layer 193 ground connection of this cable 190, and then with this electrostatic grounding, thereby avoid static to interference and the destruction of the transmission of electronic equipment signal.Simultaneously, this metal grafting shell 110 and these the second metal shielding layer 197 conductings also can be with the electrostatic groundings that is imported by this metal grafting shell 110.
See also again Fig. 4, a kind of electronic equipment 200 with this electric connector 100, this electronic equipment 200 has circuit main board 201, and can be according to input, output signal work.This electronic equipment 200 comprises this electric connector 100, and this electric connector 100 comprises this metal grafting shell 110, insulation shell 150, cable 190 and conducting terminal 180.This cable 190 is electrically connected with this circuit main board 201, and via these circuit main board 201 ground connection.
In addition, those skilled in the art also can do other variation in the utility model spirit.Certainly, the variation that these are done according to the utility model spirit all should be included in the utility model scope required for protection.