CN106654666A - Spring piece, universal serial bus interface and mobile terminal - Google Patents
Spring piece, universal serial bus interface and mobile terminal Download PDFInfo
- Publication number
- CN106654666A CN106654666A CN201710083794.6A CN201710083794A CN106654666A CN 106654666 A CN106654666 A CN 106654666A CN 201710083794 A CN201710083794 A CN 201710083794A CN 106654666 A CN106654666 A CN 106654666A
- Authority
- CN
- China
- Prior art keywords
- kink
- shell fragment
- elastic arm
- free end
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2464—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
- H01R13/2492—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point multiple contact points
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- Telephone Set Structure (AREA)
Abstract
The invention provides a spring piece, a universal serial bus interface and a mobile terminal. The spring piece comprises an elastic arm; the spring piece is characterized in that at least two bending parts bending to the same side are formed at the free end of the elastic arm; and each bending part forms a contact region used for electric contact. According to the spring piece, the universal serial bus interface and the mobile terminal provided by embodiments of the invention, the contact area is enlarged by increasing the number of the contact regions on the spring piece, so that the purpose of effectively reducing contact impedance of the spring piece is achieved; and in addition, because the number of the contact regions is increased, the beneficial effect of reducing yielding risk of the spring piece is achieved.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of shell fragment, USB and mobile terminal.
Background technology
As the technology of mobile terminal develops, large current charge has become a kind of development trend of current mobile terminal.So
And, in mobile terminal charging process, Joule heat being produced because lead terminal has contact impedance, the heating of lead terminal is asked
Topic becomes a key factor of restriction charging current.At present, general-purpose serial bus USB (Universal in mobile terminal
Serial Bus) lead terminal of interface generally using single contact point, because contact area is too small, cause its contact impedance compared with
Height, and then cause to produce too high Joule heat during large current charge.It can be seen that, USB is deposited in current mobile terminal
In the higher problem of contact impedance.
The content of the invention
The embodiment of the present invention provides a kind of shell fragment, USB and mobile terminal, existing mobile whole to solve
USB has that contact impedance is higher in end.
In a first aspect, a kind of shell fragment is embodiments provided, including elastic arm, the free end shaping of the elastic arm
There are at least two kinks to the same side bending, each described kink is respectively formed one for contact area in electrical contact.
Second aspect, embodiments provides a kind of USB, including at least one shell fragment, described
Shell fragment includes elastic arm, and the free end of the elastic arm forms at least two kinks to the same side bending, described in each
Kink is respectively formed one for contact area in electrical contact.
The third aspect, embodiments provides a kind of mobile terminal, including at least one USB,
The USB includes shell fragment, and the shell fragment includes elastic arm, and the free end of the elastic arm forms at least
Two kinks to the same side bending, each described kink is respectively formed one for contact area in electrical contact.
The embodiment of the present invention increases contact area by the quantity for increasing contact area on shell fragment, so as to realize effectively
Reduce the purpose of shell fragment contact impedance.Additionally, increase the quantity of contact area, also with the beneficial effect for reducing shell fragment surrender risk
Really.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to needed for embodiment of the present invention description
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can be being obtained according to these accompanying drawings
Take other accompanying drawings.
Fig. 1 is the structural representation of the shell fragment that first embodiment of the invention is provided；
Fig. 2 is the structural representation of the shell fragment that second embodiment of the invention is provided；
Fig. 3 is the structural representation of the shell fragment that third embodiment of the invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in bright, the acquired every other enforcement under the premise of creative work is not made of those of ordinary skill in the art
Example, belongs to the scope of protection of the invention.
First embodiment
As shown in figure 1, a kind of shell fragment, including elastic arm 11, the free end of elastic arm 11 forms at least two to same
The kink 12 of lateral bending folding, each kink 12 is respectively formed one for contact area 13 in electrical contact, each edge of kink 12
The bearing of trend of the free end of elastic arm 11 is continuously arranged.
Wherein, the bearing of trend of two (or plural) kinks 12 along the free end of elastic arm 11 is continuously arranged, from
One side of elastic arm 11 is looked to relative side, the likeness in form dipping and heaving of kink 12 that two (or two or more) is continuously arranged
It is wavy.Wherein, the region that each crest is located as is used for contact area 13 in electrical contact.
With reference to Fig. 1, the embodiment of the present invention is illustrated with the quantity of kink 12 as two, as shown in figure 1, i.e. curved
Folding part 12 includes the first kink 121 and the second kink 122.First kink 121 and the second kink 122 are along elastic arm 11
The bearing of trend of free end is continuously arranged, and the crest position of the first kink 121 can be formed in electrical contact
One contact area 131, the crest position of the second kink 122 can be formed for the second contact area in electrical contact
132。
It is well known that the quantity that contact impedance when shell fragment is electrically connected with is in contact with it a little is inversely proportional to, in other words with contact
The size of area is inversely proportional to.Existing shell fragment is due to being single contact structure, and its contact impedance is higher.According to Joule heat power law
W=I2R, wherein, W represents a joule thermal power, and I represents electric current, and R represents contact impedance, the joule that shell fragment is produced when being electrically connected with
Heat and conducting electric current square and contact impedance be directly proportional, and as electric current is bigger, the joule heating effect that contact impedance brings is got over
By force.With the development of mobile terminal large current charge technology, because the contact impedance of shell fragment in USB interface is higher, high current is filled
Shell fragment contact area is inevitably generated larger Joule heat when electric, so as to constrain the size of charging current.
The shell fragment of the embodiment of the present invention can apply to the USB interface of mobile terminal.Due to shell fragment be double contact structure (or
Multiconductor structure), the quantity of contact area is more, can effectively reduce the contact impedance produced when shell fragment is electrically connected with.With connecing
Tactile impedance is reduced, and when carrying out large current charge using USB interface, the Joule heat of generation also can be reduced accordingly.It can be seen that, the present invention is real
When the shell fragment for applying example is applied to the USB interface of mobile terminal, electric energy loss during large current charge can be effectively reduced, also be improved
The security reliability of large current charge.
The quantity that the shell fragment of the embodiment of the present invention passes through increase contact area, except connecing when being electrically connected with reduction shell fragment
Outside the beneficial effect of tactile impedance, the risk of shell fragment surrender can also be reduced.Further, since the elastic piece structure of the embodiment of the present invention
Simply, versatility degree is high, can be easy to use with the existing common USB data line of compatibility.
Second embodiment
As shown in Fig. 2 a kind of shell fragment, including elastic arm 21, the free end of elastic arm 21 offers at least one penetrating groove
24, the bearing of trend of every groove 24 is consistent with the bearing of trend of the free end of elastic arm 21, and the both sides of every groove 24 are molded
There is a kink 22 to the same side bending, each kink 22 is respectively formed one for contact area 23 in electrical contact.
Wherein, when the free end of elastic arm 21 opens up a groove 24, the quantity of kink 22 is two, two kinks
The both sides of 22 separation grooves 24.When the free end of elastic arm 21 opens up two grooves 24, the quantity of kink 22 is three.According to this
Analogize, the quantity of kink 22 is equal to the quantity of groove 24 plus 1.
With reference to Fig. 2, the embodiment of the present invention is illustrated with the quantity of kink 22 as two, as shown in Fig. 2 elastic
The free end of arm 21 offers a groove 24, and kink 22 includes the first kink 221 and the second kink 222.First bending
Portion 221 is separated with the second kink 222 by groove 24, is arranged side by side in interruption, and the arc top position of the first kink 221 can
It is used for the first contact area 231 in electrical contact to be formed, the arc position of the second kink 222 can be formed for electricity
Property contact the second contact area 232.
Optionally, the quantity of groove 24 is one, and groove 24 is opened between two parties the free end of elastic arm 21, the first kink
221 width is identical with the width of the second kink 222.
In this way it can be ensured that the first kink 221 of shell fragment and the second kink 222 have identical contact area and bend
Intensity is taken, the use reliability of shell fragment is improved.
Optionally, the quantity of groove 24 is two or more, and groove 24 is equidistantly opened in the freedom of elastic arm 21
End, the width all same of each kink 22.
In this way it can be ensured that each kink 22 of shell fragment has identical contact area and yield strength, shell fragment is improved
Use reliability.
The quantity that the shell fragment of the embodiment of the present invention passes through increase contact area, except connecing when being electrically connected with reduction shell fragment
Outside the beneficial effect of tactile impedance, the risk of shell fragment surrender can also be reduced.Further, since the elastic piece structure of the embodiment of the present invention
Simply, versatility degree is high, can be easy to use with the existing common USB data line of compatibility.
3rd embodiment
As shown in figure 3, a kind of shell fragment, including elastic arm 31, the free end of elastic arm 31 offers at least one penetrating groove
34, the bearing of trend of every groove 34 is consistent with the bearing of trend of the free end of elastic arm 31, and the both sides of every groove 34 are molded
Have at least two to the same side bending, and the kink 32 that the bearing of trend along the free end of elastic arm 31 is continuously arranged, each is curved
Folding part 32 is respectively formed one for contact area 33 in electrical contact.
Wherein, when the free end of elastic arm 31 opens up a groove 34, every both sides of groove 34 form two to same
Lateral bending is rolled over, and during the kink 32 of the continuous setting of the bearing of trend along the free end of elastic arm 31, the quantity of kink 32 is four,
The both sides of the separation groove 34 of each two kink 32；When the free end of elastic arm 31 opens up two grooves 34, every both sides of groove 34
Two are formed to the same side bending, and during the kink 32 of the continuous setting of the bearing of trend along the free end of elastic arm 31, it is curved
The quantity of folding part 32 is six；When the free end of elastic arm 31 opens up a groove 34, every both sides of groove 34 form three
To the same side bending, and during the kink 32 of the continuous setting of the bearing of trend along the free end of elastic arm 31, the quantity of kink 32
For six；Etc..
With reference to Fig. 3, the embodiment of the present invention opens up a groove 34 with the free end of elastic arm 31, every both sides of groove 34 into
Type has two to the same side bending, and the situation of the continuous kink 32 for arranging of the bearing of trend along the free end of elastic arm 31 is carried out
Illustrate.
As shown in figure 3, the free end of elastic arm 31 offers a groove 34, kink 32 include the first kink 321, the
Two kinks 322, the 3rd kink 323 and the 4th kink 324.Wherein, the first kink 321 sets with the second kink 322
The side of groove 34 is placed in, the 3rd kink 323 and the 4th kink 324 are arranged at the opposite side of groove 34.First kink 321
Arc top position can be formed for the first contact area 331 in electrical contact, the arc position of the second kink 322
Can be formed for the second contact area 332 in electrical contact, the arc position of the 3rd kink 323 can form and be used for
Second contact area 333 in electrical contact, the arc position of the 4th kink 324 can be formed in electrical contact
Two contact areas 334.
Optionally, the quantity of groove 34 is one, and groove 34 is opened between two parties the free end of elastic arm 31, each kink
32 width all same.
In this way it can be ensured that each kink 32 of shell fragment has identical contact area and yield strength, shell fragment is improved
Use reliability.
Optionally, the quantity of groove 34 is two or more, and groove 34 is equidistantly opened in the freedom of elastic arm 31
End, the width all same of each kink 32.
In this way it can be ensured that each kink 32 of shell fragment has identical contact area and yield strength, shell fragment is improved
Use reliability.
The quantity that the shell fragment of the embodiment of the present invention passes through increase contact area, except connecing when being electrically connected with reduction shell fragment
Outside the beneficial effect of tactile impedance, the risk of shell fragment surrender can also be reduced.Further, since the elastic piece structure of the embodiment of the present invention
Simply, versatility degree is high, can be easy to use with the existing common USB data line of compatibility.
On the other hand, the embodiment of the present invention further relates to a kind of general-purpose serial bus USB interface, including such as first embodiment extremely
Any one shell fragment in 3rd embodiment.
Due to having used above-mentioned shell fragment, USB interface contact impedance when being electrically connected with is reduced the USB interface, makes
Obtain the USB interface and be adapted to large current charge, can effectively reduce electric energy loss during large current charge, also improve high current
The security reliability of charging.Secondly as having used above-mentioned shell fragment, the risk of the USB interface shell fragment surrender also can be reduced.
Additionally, the USB interface simple structure of the embodiment of the present invention, versatility degree are high, can with the existing common USB data line of compatibility,
It is easy to use.
On the other hand, the embodiment of the present invention further relates to a kind of mobile terminal, including general-purpose serial bus USB interface, and this leads to
Included such as the shell fragment of any one in first embodiment to 3rd embodiment with serial bus interface.
, due to having used above-mentioned shell fragment, the USB interface of the mobile terminal is when being electrically connected with for the USB interface of the mobile terminal
Contact impedance is reduced so that the USB interface of the mobile terminal is adapted to large current charge, can effectively reduce high current and fill
Electric energy loss when electric, also improves the security reliability of large current charge.Secondly as above-mentioned shell fragment has been used, the movement
The risk of the USB interface shell fragment surrender of terminal also can be reduced.Additionally, the USB interface of the mobile terminal of the embodiment of the present invention
Simple structure, versatility degree are high, can be easy to use with the existing common USB data line of compatibility.
Wherein, mobile terminal can include：Mobile phone, panel computer, E-book reader, MP3 player, MP4 players,
Digital camera, pocket computer on knee, vehicle-mounted computer, desktop computer, Set Top Box, intelligent TV set or wearable device
Deng.
More than, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of shell fragment, including elastic arm, it is characterised in that the free end of the elastic arm forms at least two to the same side
The kink of bending, each described kink is respectively formed one for contact area in electrical contact.
2. shell fragment according to claim 1, it is characterised in that each kink prolonging along the free end of elastic arm
Stretch direction continuously to arrange.
3. shell fragment according to claim 1, it is characterised in that the free end of elastic arm offers at least one penetrating ditch
Groove, the bearing of trend per groove described in bar is consistent with the bearing of trend of the free end of elastic arm, per the both sides of groove described in bar
Form a kink to the same side bending.
4. shell fragment according to any one of claim 1 to 3, it is characterised in that the quantity of the kink is two.
5. shell fragment according to claim 1, it is characterised in that the free end of elastic arm offers at least one penetrating ditch
Groove, the bearing of trend per groove described in bar is consistent with the bearing of trend of the free end of elastic arm, per the both sides of groove described in bar
At least two are formed to the same side bending, and along the continuous kink for arranging of bearing of trend of the free end of elastic arm.
6. shell fragment according to claim 5, it is characterised in that the both sides per groove described in bar form two to same
The kink of lateral bending folding.
7. the shell fragment according to claim 3 or 5 or 6, it is characterised in that the quantity of the groove is, the groove
The free end of the elastic arm is opened between two parties.
8. a kind of USB, it is characterised in that including at least one as any one of claim 1 to 7
Shell fragment.
9. a kind of mobile terminal, it is characterised in that including at least one USB as claimed in claim 8.
10. mobile terminal according to claim 9, it is characterised in that the mobile terminal includes：Mobile phone, panel computer,
E-book reader, MP3 player, MP4 players, digital camera, pocket computer on knee, vehicle-mounted computer, desk-top calculating
Machine, Set Top Box, intelligent TV set or wearable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083794.6A CN106654666A (en) | 2017-02-16 | 2017-02-16 | Spring piece, universal serial bus interface and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710083794.6A CN106654666A (en) | 2017-02-16 | 2017-02-16 | Spring piece, universal serial bus interface and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654666A true CN106654666A (en) | 2017-05-10 |
Family
ID=58846259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710083794.6A Pending CN106654666A (en) | 2017-02-16 | 2017-02-16 | Spring piece, universal serial bus interface and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654666A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565580A (en) * | 2018-03-29 | 2018-09-21 | 重庆复融科技有限公司 | Contact quick coupling |
| CN109713477A (en) * | 2018-11-28 | 2019-05-03 | 番禺得意精密电子工业有限公司 | Electric connector |
| US20220131300A1 (en) * | 2020-10-26 | 2022-04-28 | Tyco Electronics (Shanghai) Co. Ltd. | Electrical Connector |
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| US20060223634A1 (en) * | 2005-04-04 | 2006-10-05 | Philip Feldman | Game controller connection system and method of selectively connecting a game controller with a plurality of different video gaming systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565580A (en) * | 2018-03-29 | 2018-09-21 | 重庆复融科技有限公司 | Contact quick coupling |
| CN109713477A (en) * | 2018-11-28 | 2019-05-03 | 番禺得意精密电子工业有限公司 | Electric connector |
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| US11575225B2 (en) * | 2020-10-26 | 2023-02-07 | Tyco Electronics (Shanghai) Co. Ltd. | Electrical connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171107 Address after: 283 No. 523860 Guangdong province Dongguan city Changan town usha BBK Avenue Applicant after: VIVO MOBILE COMMUNICATION CO., LTD. Applicant after: Wewo Mobile Communication Co. Ltd. Beijing branch Address before: 283 No. 523860 Guangdong province Dongguan city Changan town usha BBK Avenue Applicant before: VIVO MOBILE COMMUNICATION CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |