CN102868535B - A kind of power adapter for data card - Google Patents
A kind of power adapter for data card Download PDFInfo
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- CN102868535B CN102868535B CN201210336418.0A CN201210336418A CN102868535B CN 102868535 B CN102868535 B CN 102868535B CN 201210336418 A CN201210336418 A CN 201210336418A CN 102868535 B CN102868535 B CN 102868535B
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- direct current
- data card
- extension component
- current ground
- shell
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Abstract
This application discloses a kind of power adapter for data card, this power supply adaptor comprises: shell and circuit board, wherein: circuit board is positioned at shell, and be provided with at least one connecting-disconnecting interface that can be connected with data card on circuit boards, shell be provided with the opening communicated with connecting-disconnecting interface; Power supply adaptor also comprises: direct current ground extension component, direct current ground extension component is positioned at shell, and one end of extension component, direct current ground is connected with the connecting-disconnecting interface of circuit board, direct current the other end of extension component be open-circuit condition or with the direct current of this power supply adaptor be connected.Compared with prior art, this power adapter for data card, when not increasing the size of adapter complete machine, can improve the radiance of antenna low-frequency range effectively.And due to the small volume of this power adapter for data card, travelling can be met and carry requirement, convenient for users.
Description
Technical field
The application relates to mobile terminal product technical field, particularly relates to a kind of power adapter for data card.
Background technology
Current data card-used product, such as: the wireless Internet card of wide-area, wireless network, the wireless network card that can connect WLAN (wireless local area network) and Bluetooth adapter etc. can be connected, these data cards are inactive component, user can be made conveniently to be connected with wireless network, to greatly facilitate user and use in travelling.Data card needs to power by miscellaneous equipment just can normally work in use usually, a kind of situation is connected on portable equipment by data card, such as: notebook computer, panel computer or mobile phone etc., another kind of situation is inserted into by data card in power source special adapter, so in use, data card just can use portable equipment or power source special adapter in direct current as the reference ground of radio-frequency radiation, and then improve complete machine wireless performance.
Due to the wireless performance of data card and the direct current of connected equipment relevant, so for data card power source special adapter, if this power source special adapter is small-sized, the radiance of the antenna of data card will be made to decline very fast, the wireless performance of data card is caused to worsen serious, particularly at 800MHz ~ 1000MHz band limits.
By the research to prior art, inventor finds: in order to meet the complete machine wireless performance of 800MHz ~ 1000MHz frequency range, existing data card power source special adapter adopts the size on the direct current ground increasing power supply adaptor usually, but the dimensional requirement of antenna low frequency to direct current ground is very large, as the index of low-frequency wireless performance will be met, it is very large that the size of adapter needs to do, if and the larger-size words of adapter, will exist and carry inconvenient problem, the portability of this and data card self is runed counter to.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of power adapter for data card, and size is less, to realize when not increasing power adapter for data card size, ensures the wireless performance of data card.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of power adapter for data card, described power supply adaptor comprises: shell and circuit board, wherein:
Described circuit board is positioned at described shell, and on described circuit board, be provided with at least one connecting-disconnecting interface that can be connected with data card, described shell is provided with the opening communicated with described connecting-disconnecting interface;
Described power supply adaptor also comprises:
Direct current ground extension component, described direct current ground extension component is positioned at described shell, and one end of described direct current ground extension component is connected with the connecting-disconnecting interface of described circuit board, and the other end of described direct current ground extension component is open-circuit condition.
A kind of power adapter for data card, described power supply adaptor comprises: shell and circuit board, wherein:
Described circuit board is positioned at described shell, and on described circuit board, be provided with at least one connecting-disconnecting interface that can be connected with data card, described shell is provided with the opening communicated with described connecting-disconnecting interface;
Described power supply adaptor also comprises:
Direct current ground extension component, described direct current ground extension component is positioned at described shell, and one end of described direct current ground extension component is connected with the connecting-disconnecting interface of described circuit board, the other end of described direct current ground extension component is connected with the direct current ground of described power supply adaptor.
From with technical scheme, direct current ground extension component is provided with in this power adapter for data card that upper the embodiment of the present application provides, and extension component one end, direct current ground is connected with the connecting-disconnecting interface of circuit board, the other end open a way or with the direct current of power adapter for data card be connected.No matter which kind of connected mode, direct current ground extension component all serves to be expanded the direct current of this power adapter for data card, thus data card can be improved at the low-frequency range radiance using this power adapter for data card, meet the requirement of low-frequency range wireless performance.
Compared with prior art, this power adapter for data card that the embodiment of the present application provides, when not increasing the size of adapter complete machine, can improve the radiance of antenna low-frequency range effectively.And due to the small volume of this power adapter for data card, travelling can be met and carry requirement, convenient for users.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 for a kind of power adapter for data card that the embodiment of the present application provides split after structural representation;
Fig. 2 for another kind of power adapter for data card that the embodiment of the present application provides split after structural representation;
Structural representation after another power adapter for data card that Fig. 3 provides for the embodiment of the present application splits;
Structural representation after another power adapter for data card that Fig. 4 provides for the embodiment of the present application splits.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
A kind of power adapter for data card that the embodiment of the present application provides comprises: shell and circuit board, and wherein circuit board is arranged in the enclosure.
Shell is as a protective device, and Main Function is by circuit board package therein, and avoiding circuit board to be exposed to user can the place on basis, and then user can be avoided to touch circuit board and cause the generation of electric shock accidents.
Shell can be provided with the attaching plug be connected with power supply, to facilitate, this power adapter for data card is powered.Here, the attaching plug that shell is arranged can be arranged on enclosure by rotating shaft or chute, like this when not needing to use attaching plug, can just rotate or be pushed to portion in the enclosure by plug, stash; And when needs use attaching plug, can by plug being produced or releasing shell.Such design can reduce the problem that take volume of attaching plug when not using.
In addition, in other embodiment of the application, can also be provided with on shell can socket, and attaching plug is connected with socket by extended line, like this when needs use attaching plug, is connected by extended line with the socket on shell.
In addition, by direct for attaching plug fixed housing, the use of this power adapter for data card can also do not affected equally.
Shell is also provided with at least one connecting-disconnecting interface be connected with data card, to facilitate user, data card is inserted in connecting-disconnecting interface.In order to support the data card of number of different types, meet the different demands of user, in the embodiment of the present application, the number of connecting-disconnecting interface can be multiple, and the type of multiple connecting-disconnecting interface can be identical, also can not be identical.
This power adapter for data card that the embodiment of the present application provides also comprises: direct current ground extension component.
Direct current ground extension component is arranged in the enclosure, and one end of direct current ground extension component is connected with connecting-disconnecting interface on circuit board, and the other end of direct current ground extension component can be open-circuit condition, is not connected with any parts.Here direct current ground extension component can arrange in the enclosure in the mode of doubling, also can arrange in the enclosure in the mode of inflection, being meant to of inflection here, direct current ground extension component arrange in the mode of curling winding.In addition, in another situation be, direct current ground extension component one end can also be connected with connecting-disconnecting interface on circuit board, direct current ground extension component the other end can also with the direct current of this power adapter for data card be connected.
No matter which kind of connected mode, direct current ground extension component all serves to be expanded the direct current of this power adapter for data card, thus data card can be improved at the machine low-frequency range radiance using this power adapter for data card, meet the requirement of low-frequency range wireless performance.
Compared with prior art, this power adapter for data card that the embodiment of the present application provides, when not increasing the size of adapter complete machine, can improve the radiance of antenna low-frequency range effectively.And due to the small volume of this power adapter for data card, travelling can be met and carry requirement, convenient for users.
Embodiment two:
Fig. 1 for a kind of power adapter for data card that the embodiment of the present application provides split after structural representation.
As shown in Figure 1, this power adapter for data card comprises: shell (not shown) and the circuit board 1 arranged in the enclosure.
Be provided with the connecting-disconnecting interface that at least one is connected with data card on the circuit card 1, to facilitate user, data card be inserted in connecting-disconnecting interface.In order to support the data card of number of different types, meet the different demands of user, in the embodiment of the present application, the number of connecting-disconnecting interface can be multiple, and the type of multiple connecting-disconnecting interface can be identical, also can not be identical.In addition, in the embodiment of the present application, connecting-disconnecting interface can select the USB interface commonly used.
As shown in Figure 1, in the embodiment of the present application, this power adapter for data card also comprises: the first direct current ground extension component 2, first one end of extension component 2, direct current ground is connected with the interface pin of USB interface or interface ground wire (being 3 shown in figure), and the position 3 be connected with interface pin or the interface ground wire of USB interface 3 adopts the mode of welding to be connected.The other end open circuit of the first direct current ground extension component 2, namely the other end of the first direct current ground extension component 2 is open-circuit condition.
In the embodiment of the present application, as shown in Figure 1, the first direct current ground extension component 2 adopts wire, and length wiry can be 50mm-60mm, and winding mode wiry can be longitudinal, horizontal doubling, or horizontal doubling.Material wiry can the material of aluminium material or other lower electromagnetic loss, and can arrange a layer insulating at outer surface wiry, and the material of insulating barrier can select the material of lower electromagnetic loss, such as, can select ABS plastic.
In addition, in other embodiments of the application, as shown in Figure 2, the first direct current ground extension component 2 can also adopt printing metal wire, and the length printing metal wire can be 50mm-60mm, and width can be 0.5mm-3mm, the same with above-mentioned wire, the one end printing metal wire can connect on USB interface pin or interface ground wire, and the other end printing metal wire is open-circuit condition, and the etching cabling mode printing metal wire can be longitudinal, horizontal doubling, or horizontal doubling.
From above technical scheme, in this power adapter for data card that the embodiment of the present application provides, by increasing by the first direct current ground extension component 2, be equivalent to add the direct current ground that a segment length is quarter-wave (800MHz-1000MHz), the impedance operator of antenna when half-wavelength is close to 50ohm, meet the condition of antenna low-frequency range (800MHz-1000MHz) radiation, the efficiency of antenna low-frequency range can reach about 40%, effectively can improve the wireless performance of the low-frequency range of complete machine.
Embodiment three:
Structural representation after another power adapter for data card provided for the embodiment of the present application as Fig. 3 splits.
As shown in Figure 3, as shown in Figure 1, this power adapter for data card comprises: shell and the circuit board 1 arranged in the enclosure.
Be provided with the connecting-disconnecting interface that at least one is connected with data card on the circuit card 1, to facilitate user, data card be inserted in connecting-disconnecting interface.In order to support the data card of number of different types, meet the different demands of user, in the embodiment of the present application, the number of connecting-disconnecting interface can be multiple, and the type of multiple connecting-disconnecting interface can be identical, also can not be identical.In addition, in the embodiment of the present application, connecting-disconnecting interface can select the USB interface commonly used.
As shown in Figure 3, in the embodiment of the present application, this power adapter for data card also comprises: the second direct current ground extension component 4, second one end of extension component 4, direct current ground is connected with the interface pin of USB interface or interface ground wire (being 3 shown in figure), and the position be connected with interface pin or the interface ground wire 3 of USB interface adopts the mode of welding to be connected.The other end of the second direct current ground extension component 4 is connected with the direct current ground 5 of this power adapter for data card.
In the embodiment of the present application, as shown in Figure 3, the second direct current ground extension component 4 adopts wire, and length wiry can be 100mm-120mm, and winding mode wiry can be longitudinal, horizontal doubling, or horizontal doubling.Material wiry can the material of aluminium material or other lower electromagnetic loss, and can arrange a layer insulating at outer surface wiry, and the material of insulating barrier can select the material of lower electromagnetic loss, such as, can select ABS plastic.
In addition, in other embodiments of the application, as shown in Figure 4, second direct current ground extension component 4 can also adopt printing metal wire, and the length printing metal wire can be 100mm-120mm, and width can be 0.5mm-3mm, the same with above-mentioned wire, the one end printing metal wire can be connected on USB interface pin or interface ground wire 3, the direct current ground 5 of the other end and this power adapter for data card of printing metal wire is connected, and the etching cabling mode printing metal wire can be longitudinal, horizontal doubling, or horizontal doubling.
From above technical scheme, in this power adapter for data card that the embodiment of the present application provides, by increasing direct current ground extension component, be equivalent to add the direct current ground that a segment length is quarter-wave (800MHz-1000MHz), the impedance operator of antenna when half-wavelength is close to 50ohm, meet the condition of antenna low-frequency range (800MHz-1000MHz) radiation, the efficiency of antenna low-frequency range can reach about 40%, effectively can improve the wireless performance of the low-frequency range of complete machine.
From with technical scheme, direct current ground extension component is provided with in this power adapter for data card that upper the embodiment of the present application provides, and extension component one end, direct current ground is connected with the connecting-disconnecting interface of power adapter for data card, the other end open a way or with the direct current of power adapter for data card be connected.No matter which kind of connected mode, direct current ground extension component all serves to be expanded the direct current of this power adapter for data card, thus data card can be improved at the machine low-frequency range radiance using this power adapter for data card, meet the requirement of low-frequency range wireless performance.
Compared with prior art, this power adapter for data card that the embodiment of the present application provides, when not increasing the size of adapter complete machine, can improve the radiance of antenna low-frequency range effectively.And due to the small volume of this power adapter for data card, travelling can be met and carry requirement, convenient for users.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
It should be noted that, the above is only a part of preferred embodiment of technical scheme, those skilled in the art are fully understood or realizes the application, instead of whole embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore; based on above embodiment; for those skilled in the art; do not departing from the application's principle, under not making creative work prerequisite, multiple apparent amendment and retouching can also made; by the every other embodiment that these amendments and retouching obtain; can be applied to technical scheme, these do not affect the realization of the application, all should belong to the protection range of the application.Therefore, the application can not be restricted to these embodiments shown in this article, but will accord with principle disclosed herein and the consistent the widest scope of features of novelty.
The above is only the preferred implementation of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a power adapter for data card, is characterized in that, described power supply adaptor comprises: shell and circuit board, wherein:
Described circuit board is positioned at described shell, and on described circuit board, be provided with at least one connecting-disconnecting interface that can be connected with data card, described shell is provided with the opening communicated with described connecting-disconnecting interface;
Described power supply adaptor also comprises:
Direct current ground extension component, described direct current ground extension component is positioned at described shell, and one end of described direct current ground extension component is connected with the connecting-disconnecting interface of described circuit board, and the other end of described direct current ground extension component is open-circuit condition;
Wherein, described connecting-disconnecting interface is USB interface, and one end of extension component, described direct current ground is connected with the USB interface ground wire of described USB interface;
Described direct current ground extension component is length to be the wire of 50mm-60mm or to print metal wire.
2. power supply adaptor according to claim 1, is characterized in that, described wire or printing metal wire adopt the mode of inflection or doubling to be arranged in described shell.
3. power supply adaptor according to claim 2, is characterized in that, described outer surface wiry is coated with the insulating barrier that lower electromagnetic loss material is made.
4. a power adapter for data card, is characterized in that, described power supply adaptor comprises: shell and circuit board, wherein:
Described circuit board is positioned at described shell, and on described circuit board, be provided with at least one connecting-disconnecting interface that can be connected with data card, described shell is provided with the opening communicated with described connecting-disconnecting interface;
Described power supply adaptor also comprises:
Direct current ground extension component, described direct current ground extension component is positioned at described shell, and one end of described direct current ground extension component is connected with the connecting-disconnecting interface of described circuit board, the other end of described direct current ground extension component is connected with the direct current ground of described power supply adaptor;
Wherein, described connecting-disconnecting interface is USB interface, one end of described direct current ground extension component and the USB interface of described USB interface ground wire grounded;
Described direct current ground extension component is the wire of 100mm-120mm or prints metal wire.
5. power supply adaptor according to claim 4, is characterized in that, described wire or printing metal wire adopt the mode of inflection or doubling to be arranged in described shell.
6. power supply adaptor according to claim 4, is characterized in that, described wire outer surface is coated with the insulating barrier that lower electromagnetic loss material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336418.0A CN102868535B (en) | 2012-09-12 | 2012-09-12 | A kind of power adapter for data card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336418.0A CN102868535B (en) | 2012-09-12 | 2012-09-12 | A kind of power adapter for data card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102868535A CN102868535A (en) | 2013-01-09 |
| CN102868535B true CN102868535B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210336418.0A Expired - Fee Related CN102868535B (en) | 2012-09-12 | 2012-09-12 | A kind of power adapter for data card |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791748Y (en) * | 2005-04-30 | 2006-06-28 | 联想(北京)有限公司 | Storage card adopter and circuit board thereof |
| CN201032648Y (en) * | 2006-12-07 | 2008-03-05 | 李蕴修 | Improved structure of mini switching card |
-
2012
- 2012-09-12 CN CN201210336418.0A patent/CN102868535B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2791748Y (en) * | 2005-04-30 | 2006-06-28 | 联想(北京)有限公司 | Storage card adopter and circuit board thereof |
| CN201032648Y (en) * | 2006-12-07 | 2008-03-05 | 李蕴修 | Improved structure of mini switching card |
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| Publication number | Publication date |
|---|---|
| CN102868535A (en) | 2013-01-09 |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |
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Granted publication date: 20160203 Termination date: 20210912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |