CN207410121U - The back splint of handheld device - Google Patents
The back splint of handheld device Download PDFInfo
- Publication number
- CN207410121U CN207410121U CN201720826534.9U CN201720826534U CN207410121U CN 207410121 U CN207410121 U CN 207410121U CN 201720826534 U CN201720826534 U CN 201720826534U CN 207410121 U CN207410121 U CN 207410121U
- Authority
- CN
- China
- Prior art keywords
- back splint
- earphone
- handheld device
- induction coil
- main body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of back splint of handheld device, the back splint includes back splint main body and is arranged at the in vivo battery of back splint master, the back splint main body is equipped with fixing device for earphone and for the first induction coil to earphone wireless charging, the back splint main body is additionally provided with the second charging unit to charge to the handheld device, and first induction coil and second charging unit are electrically connected respectively with the in vivo battery of back splint master.This back splint can not only charge to handheld device from charged pool, and even if user is in open air, also can in time give mobile phone and earphone electric energy supplement to earphone wireless charging, ensure mobile phone and earphone normal use.
Description
Technical field
The utility model is related to the back splints of the handheld devices such as mobile phone, tablet computer.
Background technology
Bluetooth headset fetters from cable, easy-to-use, is increasingly liked by people.But bluetooth headset itself needs electricity
Pond powers, and battery is needed replacing when battery capacity deficiency or can be just continuing with after charging, if user is just outdoors, by nothing
Method charges in time for earphone, waits and goes home to charge to earphone again, can influence user's normal use earphone.
Utility model content
In view of above-mentioned technical problem existing in the prior art, the utility model provides a kind of back splint of handheld device, leads to
Crossing the back splint can charge to handheld device, while can also charge to earphone.
In order to achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of back splint of handheld device, the back splint include back splint main body and are arranged at the in vivo battery of back splint master, the back of the body
Clip main body is equipped with fixing device for earphone and for the first induction coil to earphone wireless charging, and the back splint main body is additionally provided with
To the second charging unit that the handheld device charges, first induction coil and second charging unit respectively with back splint
Main in vivo battery electrical connection.
Preferably, the back splint further includes control switch, and the earphone that the control switch is arranged at back splint main body is consolidated
Determine at device, it is described to control switch conduction by the battery of back splint to the back of the body after earphone is combined with the fixing device for earphone
The current supply circuit of first induction coil of folder is connected, and after earphone is separated with the fixing device for earphone, the control is opened
Cut-off is closed to disconnect the current supply circuit of first induction coil of the battery of back splint to back splint.
Preferably, be arranged on the fixing device for earphone on handheld device housing as jack, the shape of the jack and
Size and the shapes and sizes of earphone match, described to control switch as optoelectronic switch.
Preferably, second charging unit in back splint includes a USB connector, and back splint is combined with handheld device
Afterwards, the USB connector is connected with the USB jack of the handheld device.
Preferably, second charging unit in back splint includes the second induction coil, after back splint is combined with handheld device,
The 3rd induction coil in handheld device is coupled with the second induction coil electromagnetic induction in back splint.
Preferably, the 4th induction coil is set in the earphone, the 4th induction coil by the charging circuit in earphone with
Battery electrical connection in earphone, after earphone is combined with the fixing device for earphone on back splint, the 4th sensing in earphone
Coil is coupled with the first induction coil electromagnetic induction in back splint.
The handheld device can be mobile phone, tablet computer, IPAD etc..
Compared with prior art, the utility model at least has the advantages that：Due to being equipped with battery, first in back splint
Induction coil, the second charging unit and fixing device for earphone can not only be charged by the second charging unit to handheld device, and
And earphone wireless charging can be given by the first induction coil.In this way, even if user is in open air, also can in time to mobile phone and
Earphone electric energy supplement ensures mobile phone and earphone normal use.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment mobile phone back splint.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, the back splint main body of the mobile phone back splint include frame 1 and rear cover 2, frame 1 and rear cover 2 clamping combine or
Bonding, 2 inside of rear cover are equipped with battery cavities 21, and rear cover 2 is additionally provided with camera shooting head bore 22 and coil accommodating cavity 23, battery 3 are installed on electricity
In cell cavity 21, the first induction coil 4 is installed in coil accommodating cavity 23, and the second charging unit 5 is arranged in back splint main body, and first
Battery 3 in vivo with back splint master is electrically connected 4 and second charging unit 5 of induction coil respectively, is respectively used to set with hand-held to earphone
It is standby to charge, on rear cover 2 fixing device for earphone is equipped with 4 corresponding position of the first induction coil.
Above-mentioned back splint can also further include control switch, and the control switch is arranged at the earphone of back splint main body
At fixing device, after earphone is combined with the fixing device for earphone, the control switch conduction arrives the battery 3 of back splint
The current supply circuit of first induction coil 4 of back splint is connected, after earphone is separated with the fixing device for earphone, the control
Switch cut-off disconnects the current supply circuit of first induction coil 4 of the battery 3 of back splint to back splint.
What the fixing device for earphone being arranged on handheld device housing can match with the shapes and sizes of earphone
Jack or other common fixed mechanisms, function are that earphone is maintained at 4 region of the first induction coil.
The control switch of back splint can be optoelectronic switch, can also use other inductive switches or can also adopt
Use hand control switch.
For second charging unit in back splint for charging the phone, the second charging unit can be wired charging device
It can also be wireless charging device.When using wired charging, the second charging unit includes a USB connector, back splint and hand
After holding equipment combines, the USB connector with the USB jack of the handheld device is connected, realizes that handheld device charges.When
During using wireless charging, second charging unit in back splint includes the second induction coil, after back splint is combined with handheld device,
The 3rd induction coil in handheld device is coupled with the second induction coil electromagnetic induction in back splint, realizes energy transmission.
Match and the 4th induction coil be equipped in the earphone that uses, the 4th induction coil by the charging circuit in earphone with
Battery electrical connection in earphone, after earphone is combined with the fixing device for earphone on back splint, the 4th sensing in earphone
Coil is coupled with 4 electromagnetic induction of the first induction coil in back splint, realizes energy transmission.
The back splint of the utility model is also designed to the back splint to match with handheld devices such as tablet computer, IPAD.
The utility model is described in detail above by specific embodiment, these detailed description are only limited to
The content of the utility model is helped skilled in the art to understand, the limit to scope of protection of the utility model can not be interpreted as
System.Various retouchings that those skilled in the art carry out said program under the utility model design, equivalent transformation etc. should all wrap
Containing within the protection scope of the present utility model.
Claims (7)
1. a kind of back splint of handheld device including back splint main body and is arranged at the in vivo battery of back splint master, it is characterised in that：It is described
Back splint main body is equipped with fixing device for earphone and for the first induction coil to earphone wireless charging, and the back splint main body is also set
Have the second charging unit to charge to the handheld device, first induction coil and second charging unit respectively with the back of the body
Battery electrical connection in clip main body.
2. the back splint of handheld device according to claim 1, it is characterised in that：The back splint further includes control switch, institute
Control switch is stated to be arranged at the fixing device for earphone of back splint main body, after earphone is combined with the fixing device for earphone,
The control switch conduction connects the current supply circuit of first induction coil of the battery of back splint to back splint, in earphone
After being separated with the fixing device for earphone, the control switch cut-off senses described the first of the battery of back splint to back splint
The current supply circuit of coil disconnects.
3. the back splint of handheld device according to claim 2, it is characterised in that：It is arranged on described on handheld device housing
Fixing device for earphone is jack, and the shapes and sizes of the jack and the shapes and sizes of earphone match, the control switch
For optoelectronic switch.
4. the back splint of handheld device according to claim 1, it is characterised in that：The second charging unit bag in back splint
A USB connector is included, after back splint is combined with handheld device, the USB jack of the USB connector and the handheld device is connected
It connects.
5. the back splint of handheld device according to claim 1, it is characterised in that：The second charging unit bag in back splint
The second induction coil is included, after back splint is combined with handheld device, the 3rd induction coil in handheld device and described the in back splint
Two induction coil electromagnetic induction couple.
6. the back splint of handheld device according to claim 1, it is characterised in that：4th line of induction is set in the earphone
Circle, the 4th induction coil are electrically connected by the charging circuit in earphone with the battery in earphone, earphone and the ear on back splint
After machine fixing device combines, the 4th induction coil in earphone and the first induction coil electromagnetic induction coupling in back splint
It closes.
7. the back splint of handheld device as claimed in any of claims 1 to 6, it is characterised in that：The handheld device
For mobile phone or tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720826534.9U CN207410121U (en) | 2017-07-07 | 2017-07-07 | The back splint of handheld device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720826534.9U CN207410121U (en) | 2017-07-07 | 2017-07-07 | The back splint of handheld device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207410121U true CN207410121U (en) | 2018-05-25 |
Family
ID=62322438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720826534.9U Expired - Fee Related CN207410121U (en) | 2017-07-07 | 2017-07-07 | The back splint of handheld device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207410121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730021A (en) * | 2019-08-31 | 2020-01-24 | 华为技术有限公司 | Wireless control method and device |
-
2017
- 2017-07-07 CN CN201720826534.9U patent/CN207410121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730021A (en) * | 2019-08-31 | 2020-01-24 | 华为技术有限公司 | Wireless control method and device |
| CN110730021B (en) * | 2019-08-31 | 2022-10-25 | 荣耀终端有限公司 | Wireless control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20210707 |