CN113571870B - Electronic equipment - Google Patents
Electronic equipment Download PDFInfo
- Publication number
- CN113571870B CN113571870B CN202110782425.2A CN202110782425A CN113571870B CN 113571870 B CN113571870 B CN 113571870B CN 202110782425 A CN202110782425 A CN 202110782425A CN 113571870 B CN113571870 B CN 113571870B
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- Prior art keywords
- antenna
- card
- elastic sheet
- metal frame
- electronic device
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- 239000002184 metal Substances 0.000 claims abstract description 44
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Support Of Aerials (AREA)
Abstract
The application discloses electronic equipment, which comprises a metal frame body, an antenna, a clamping support and an elastic sheet, wherein the metal frame body is provided with a plurality of clamping holes; the elastic sheet is connected with the antenna; under the condition that a card is not mounted on the card holder, the metal frame body is connected with the elastic sheet, the metal frame body, the elastic sheet and the antenna form a first connection state, and the antenna has a first working state in the first connection state; under the condition that a card is mounted on the card support, the metal frame body is disconnected with the elastic sheet, the metal frame body, the elastic sheet and the antenna form a second connection state, and the antenna is enabled to have a second working state in the second connection state. The electronic equipment provided by the application has the advantages of simple structure and lower cost, and the antenna has two working states, and has better performance no matter whether the card is arranged in the card holder or not.
Description
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.
Background
An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. An antenna is a component in an electronic device for transmitting or receiving electromagnetic waves.
Along with the development of technology and the gradual increase of application demands, miniaturized and integrated electronic equipment is continuously promoted to be new, and ultra-light and ultra-thin design gradually becomes a development trend, so that the smaller the volume of components is required to be, the better the components are. As is known, the arrangement of the antennas requires a certain height or clearance area, which is generally not arbitrarily reduced, limited by its own operating principle, thus resulting in a large area inside the electronic device where the wires are arranged. However, in order to meet the needs of the user, the card holder of the electronic device generally needs to carry two SIM cards, and even further needs to carry one memory card, so that the size of the card holder is large.
Therefore, the requirement of thinning the electronic device occupies the space of the antenna, and the card holder is often inevitably placed in the antenna area, so that whether the card holder is provided with the card or not leads to two use environments of the antenna, and different use environments can lead to the influence of impedance, resonance frequency point and the like of the antenna.
In the related art, by adding the antenna switch, the controller of the electronic equipment judges the use condition of the card holder to carry out impedance tuning or caliber tuning on the antenna, and the scheme can better solve the influence of the use environment change of the card holder on the antenna, but has a complex structure and can obviously increase the cost.
Disclosure of Invention
The present application is directed to an electronic device that solves at least one of the problems of the background art.
In order to solve the technical problems, the application is realized as follows:
An embodiment of the present application provides an electronic device, including:
The antenna comprises a metal frame body, an antenna, a clamping support and an elastic sheet, wherein the elastic sheet is connected with the antenna; the elastic sheet is connected with the antenna;
Under the condition that a card is not mounted on the card holder, the metal frame body is connected with the elastic sheet, the metal frame body, the elastic sheet and the antenna form a first connection state, and the antenna has a first working state in the first connection state;
Under the condition that a card is mounted on the card support, the metal frame body is disconnected with the elastic sheet, the metal frame body, the elastic sheet and the antenna form a second connection state, and the antenna is enabled to have a second working state in the second connection state.
In the embodiment of the application, the two working states of the antenna are formed by whether the elastic sheet is connected with the metal frame body or not, and then the connection between the metal frame body and the elastic sheet is disconnected by installing a card in the card holder. Therefore, whether the card is installed in the card holder corresponds to the two working states of the antenna, so that the antenna has better performance no matter whether the card is installed in the card holder, the structure is very simple, the operation is convenient, and the cost is effectively reduced.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 is a schematic connection diagram of an electronic device according to a first embodiment of the present application;
fig. 2 is a schematic connection diagram of an electronic device according to a second embodiment of the present application;
FIG. 3 is a schematic illustration of a connection of a card not mounted in a receptacle according to a third embodiment of the application;
FIG. 4 is a schematic illustration of the connection of a mounting card in a receptacle according to a third embodiment of the application;
reference numerals:
in the figure: 1. a metal frame; 21. a feed source; 22. a matching circuit; 23. a radiator; 24. a ground feed section; 25. a power feeding section; 3. a spring plate; 31. a first contact; 32. a second contact; 4. a main board; 5. a tuning circuit; 6. and (5) a card.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The features of the application "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
An electronic device according to an embodiment of the present application is described below with reference to fig. 1 to 4.
As shown in fig. 1-4, some embodiments of the present application provide an electronic device. The electronic equipment can be a mobile phone or a tablet personal computer and other electronic products with an antenna and a card holder, wherein part of the card holder occupies the space of the antenna. Because the card 6 is installed in the card holder and the card 6 is not installed, the performance of the antenna can be influenced, and the working state of the antenna can be influenced.
Specifically, the electronic device comprises a metal frame body 1, an antenna, a clamping support and a spring plate 3. Because the antenna of the electronic device is an omni-directional antenna, enough space needs to be reserved near the antenna to ensure the transmitting power of the antenna, but a plurality of metal parts in the electronic device can influence the performance of the antenna, and a clearance area needs to be set for the antenna to maintain good performance.
In this embodiment, a part of the card holder is located in the clearance area, and when the card 6 is placed on the card holder, the card 6 has a metal structure such as a chip and a circuit, so that the performance of the antenna is affected, and whether the card 6 is installed in the card holder forms two working states of the antenna. The card 6 may be a SIM card, a memory card, or the like.
Further specifically, the spring plate 3 is connected to the antenna. Under the condition that the card 6 is not installed on the card support, the metal frame body 1 is connected with the elastic sheet 3, the metal frame body 1, the elastic sheet 3 and the antenna form a first connection state, and the antenna has a first working state in the first connection state. At this time, the metal housing 1 serves as a first reference ground of the antenna.
Under the condition that the card 6 is mounted on the card holder, the metal frame body 1 is disconnected with the elastic sheet 3, and the metal frame body 1, the elastic sheet 3 and the antenna form a second connection state, and the second connection state enables the antenna to have a second working state.
In this embodiment, when the card 6 is mounted in the card holder, the card occupies an antenna space, which in turn causes a change in frequency offset and impedance of the antenna, as compared with a state in which the card 6 is not mounted in the card holder. In the application, the elastic sheet 3 is arranged, and when the card 6 is installed in the card holder, the connection between the antenna and the metal frame body 1 is physically blocked by the card 6 to form the second working state of the antenna, so that whether the card 6 is installed in the card holder corresponds to different working states of the antenna or not, and the better working performance of the antenna is ensured.
Therefore, the metal frame 1 and the spring 3 are disconnected by installing the card 6 in the card holder after the spring 3 is connected with the metal frame 1 to form two working states of the antenna. Therefore, whether the card 6 is installed in the card holder corresponds to the two working states of the antenna, so that the antenna has better performance no matter whether the card 6 is installed in the card holder or not, and the electronic equipment has very simple structure, is convenient to operate, effectively reduces the cost and is beneficial to reducing the loss of the electronic equipment.
Optionally, the antenna comprises a feed 21, a matching circuit 22 and a radiator 23, and the feed 21 is connected with the radiator 23 through the matching circuit 22. The feed 21 is an essential component of the antenna and is the primary radiator of the antenna which converts high frequency current or bound electromagnetic waves into radiated electromagnetic wave energy. The feed source 21, the matching circuit 22 and the radiator 23 are connected, so that the antenna can better perform.
In a first embodiment, as shown in fig. 1, the electronic device further includes a tuning circuit 5, and the spring plate 3 is connected to the matching circuit 22 through the tuning circuit 5.
In this embodiment, whether the card 6 is mounted in the card holder or not is used to achieve the connection between the physical separation spring 3 and the metal frame 1 to determine the environmental state of the antenna, wherein the metal frame 1 is used as the first reference ground. When the card holder is not provided with the card 6, the card holder is in an empty state, the elastic sheet 3 is connected to the first reference ground in a feeding mode, at the moment, the tuning circuit 5 and the matching circuit 22 on the main feeding path of the antenna form a complete antenna matching circuit 22, and under the environment, the antenna reaches a better impedance and resonance frequency point, so that a first working state is formed; when the card 6 is mounted in the card holder, the spring plate 3 is separated from the first reference ground, the tuning circuit 5 is suspended, and the matching circuit 22 on the main feed circuit mainly works at the moment, so that the antenna has better performance under the condition of mounting the card 6 in the card holder, and a second working state is formed. The first working state and the second working state are adapted to the working environment where the antenna is located, so that the antenna can play a good role in both working states.
Under the condition of not increasing radio frequency access loss, the application can realize the antenna tuning of two environments of whether the card 6 is installed in the card holder or not by adding the spring plate 3 in the electronic equipment, thereby realizing two working states of the antenna, having simple and reliable tuning mode and lower cost, and ensuring that the antenna performance reaches a better level in various scenes.
In a second embodiment, the electronic device further comprises a tuning circuit 5, as shown in fig. 2. The spring plate 3 is connected with the radiator 23 through the tuning circuit 5.
By changing the feed-in position of the tuning circuit 5, namely directly connecting the spring plate 3 to the antenna radiator 23, the aperture tuning of the antenna is realized, and the antenna performance requirements of the two antennas under the two working environments can be met, so that the two working states of the antenna are realized.
The second embodiment adopts the same triggering mode of antenna tuning as the first embodiment, and by changing the antenna tuning mode, the antenna tuning range is relatively more flexible, and the influence on the radiation efficiency of the antenna is relatively smaller.
In a third embodiment, as shown in fig. 3 and 4, the electronic device further comprises a motherboard 4; the spring plate 3 is connected with the radiator 23.
When the card 6 is not mounted on the card holder, the spring plate 3 is connected to the metal frame 1.
Under the condition that a card 6 is arranged on the card holder, the card 6 props against the elastic sheet 3 to enable the elastic sheet 3 to move towards the main board 6 and be connected with the main board 6; the return path of the radiator 23 through the metal frame 1 to ground is different from the return path of the radiator 23 through the motherboard to ground.
In this embodiment, the metal frame 1 is used as a first reference ground, the main board 4 is used as a second reference ground, and the connection between the spring plate 3 and a different reference ground is changed by installing the card 6 in the card holder and not installing the card 6, so that the reflux path of the spring plate 3 is changed, and the antenna is tuned. It should be noted that, the card 6 is placed in the clearance area of the antenna, the resonance frequency point of the antenna is lower, and the elastic sheet 3 in the card support is fed to the main board 4, so that the ground return path of the ground feeding portion 24 is shorter, the resonance frequency point of the antenna is higher, and the problem of antenna frequency offset caused by the installation of the card 6 in the card support can be just counteracted.
The implementation mode only changes the ground return path of the ground feed part 24 of the antenna, namely, the self-adaptive tuning of the antenna under multiple scenes is realized, the tuning mode is simpler and more reliable, the structure is simpler, and the cost is lower.
Optionally, the antenna further includes a ground feed spring, through which the radiator 23 is grounded. This makes the way the radiator 23 is grounded very simple.
Optionally, the spring 3 has a first contact 31 and a second contact 32, the first contact 31 is located on a side of the spring 3 close to the metal frame 1, and the second contact 32 is located on a side of the spring 3 far from the metal frame 1.
When the card 6 is not mounted on the card holder, the first contact 31 is grounded through the metal frame 1.
In the case of a card 6 mounted on the card holder, the second contact 32 is grounded through the main board 4.
By providing the first contact 31 and the second contact 32 on the spring plate 3, and making the first contact 31 and the first reference ground connected when the card 6 is not mounted in the card holder; when the card 6 is mounted in the card holder, the second contact 32 is connected to the second reference ground, thereby changing the ground return path of the antenna, and having a simple structure and convenient operation.
Optionally, the spring plate 3 is provided with a first protruding portion and a second protruding portion, the first protruding portion protrudes toward the metal frame 1, and the first contact 31 is located on the first protruding portion.
The second protruding portion protrudes toward the main board 4, and the second contact 32 is located at the second protruding portion.
By arranging the first protruding part and the second protruding part on the spring plate 3 and arranging the first contact 31 on the first protruding part and the second contact 32 on the second protruding part, the connection between the spring plate 3 and the first reference ground or the second reference ground is facilitated.
Optionally, the antenna further comprises a feeding portion 25, and the matching circuit 22 is connected to the radiator 23 through the feeding portion 25. The matching circuit 22 supplies power to the radiator 23, and the matching circuit is matched with the radiator 23 so that the antenna has good working performance.
Optionally, the card holder is provided with a clamping groove, and the card 6 is installed in the clamping groove; the clamping groove is located in the antenna space. As the number of cards 6 installed in electronic devices increases by users, the card holders occupy antenna space, which inevitably affects the antenna performance of the card 6 installation. Through installing card 6 in the draw-in groove and making the antenna have two kinds of service environment, the design of shell fragment 3 makes the antenna all have better performance under two kinds of service environment, simple structure.
The electronic equipment provided by the embodiment has the advantages of simple structure and lower cost, and the antenna has two working states, and the antenna has better performance no matter whether the card 6 is arranged in the card holder or not.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The electronic equipment is characterized by comprising a metal frame body, an antenna, a clamping support, a main board and an elastic sheet, wherein the antenna comprises a radiator, and the elastic sheet is connected with the radiator of the antenna;
Under the condition that a card is not mounted on the card holder, the metal frame body is connected with the elastic sheet, the metal frame body, the elastic sheet and the antenna form a first connection state, and the antenna has a first working state in the first connection state;
under the condition that a card is arranged on the card support, the card props against the elastic sheet to enable the elastic sheet to move towards the main board and be connected with the main board, the metal frame body is disconnected with the elastic sheet, the metal frame body, the elastic sheet and the antenna form a second connection state, and the antenna has a second working state in the second connection state;
the return path of the radiator through the main board is shorter than the return path of the radiator through the metal frame body.
2. The electronic device of claim 1, wherein the electronic device comprises a memory device,
The antenna comprises a feed source and a matching circuit, wherein the feed source is connected with the radiator through the matching circuit.
3. The electronic device of claim 2, wherein the electronic device further comprises a tuning circuit;
the elastic sheet is connected with the radiator through the tuning circuit.
4. The electronic device of claim 2, further comprising a tuning circuit, wherein the dome is coupled to the matching circuit via the tuning circuit.
5. The electronic device of claim 2, wherein the antenna further comprises a ground feed tab, the radiator being grounded through the ground feed tab.
6. The electronic device of claim 1, wherein the electronic device comprises a memory device,
The elastic sheet is provided with a first contact and a second contact, the first contact is positioned on one side of the elastic sheet, which is close to the metal frame, and the second contact is positioned on one side of the elastic sheet, which is far away from the metal frame;
under the condition that a card is not mounted on the card holder, the first contact is grounded through the metal frame body;
And under the condition that the card is mounted on the card holder, the second contact is grounded through the main board.
7. The electronic device of claim 6, wherein the electronic device comprises a memory device,
The elastic sheet is provided with a first protruding part and a second protruding part, the first protruding part protrudes towards the metal frame body, and the first contact is positioned on the first protruding part;
the second protruding portion protrudes towards the main board, and the second contact is located on the second protruding portion.
8. The electronic device of claim 2, wherein the electronic device comprises a memory device,
The antenna further comprises a feed part, and the matching circuit is connected with the radiator through the feed part.
9. The electronic device of claim 1, wherein the card holder has a card slot, the card being mounted in the card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782425.2A CN113571870B (en) | 2021-07-09 | 2021-07-09 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782425.2A CN113571870B (en) | 2021-07-09 | 2021-07-09 | Electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113571870A CN113571870A (en) | 2021-10-29 |
| CN113571870B true CN113571870B (en) | 2024-06-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110782425.2A Active CN113571870B (en) | 2021-07-09 | 2021-07-09 | Electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113571870B (en) |
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