CN108288755B - Antenna assembly and terminal equipment - Google Patents
Antenna assembly and terminal equipment Download PDFInfo
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- CN108288755B CN108288755B CN201711025769.9A CN201711025769A CN108288755B CN 108288755 B CN108288755 B CN 108288755B CN 201711025769 A CN201711025769 A CN 201711025769A CN 108288755 B CN108288755 B CN 108288755B
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- 238000004891 communication Methods 0.000 claims abstract description 133
- 239000002184 metal Substances 0.000 claims description 38
- 230000000694 effects Effects 0.000 abstract description 11
- 230000005855 radiation Effects 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000003071 parasitic effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
Abstract
The antenna component and the terminal equipment provided by the invention comprise a grounding structure, a near field communication chip, a first radiator and a second radiator, wherein the input end of the near field communication chip is connected with the grounding structure, the output end of the near field communication chip is divided into a first passage signal line and a second passage signal line which are connected in parallel, when the near field communication chip works, the first loop formed by the first path signal line, the first radiator and the grounding structure and the second loop formed by the second path signal line, the second radiator and the grounding structure transmit near field communication signals, and the parts of the first radiator and the second radiator connected in parallel in the two loops are used as near field communication antennas, so that the near field communication antennas are longer, the radiation range is wider, the read-write performance of the near field communication signals is improved, and the near field communication transmission effect of the terminal equipment is improved; only one of the two loops can normally work to realize the near field communication function, so that the reliability of the near field communication function is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an antenna assembly and a terminal device.
Background
Currently, near Field Communication (NFC) is used to realize near field communication on a terminal device, which is an increasing demand of users when selecting the terminal device, and after terminal devices having LTE (long term evolution)), WIFI (wireless fidelity), GPS (global positioning system), bluetooth and other communication systems, two common setting modes are set by setting NFC: 1. the upper metal strip is divided into two parts by a conduction point, the NFC antenna and the LTE upper antenna share the longer part of the upper metal strip, the GPS/WIFI antenna uses a longer part in the upper metal strip, but the NFC antenna radiator is shorter, the inductance is small, and the read-write card performance is poor; 2. the upper metal strip is not grounded, two ends are respectively connected with the differential feed-in ends of NFC, the whole metal strip is used as the radiator antenna of NFC, the NFC antenna is increased, but the isolation between the GPS/WIFI antenna and the antenna on LTE is poor, and the performance of the GPS/WIFI antenna and the antenna on LTE is affected.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art.
To this end, one aspect of the present invention is to provide an antenna assembly.
Another aspect of the present invention is to provide a terminal device.
In view of this, there is provided an antenna assembly for a terminal device according to an embodiment of the present invention, the antenna assembly including: a grounding structure; the input end of the near field communication chip is connected with the grounding structure, and the output end of the near field communication chip is divided into a first passage signal line and a second passage signal line which are connected in parallel; the first radiator is connected with the first end of the grounding structure, and the first channel signal line is connected with the first radiator; and the second radiator is connected with the second end of the grounding structure, and the second path signal line is connected with the second radiator.
The antenna assembly comprises a grounding structure, a near field communication chip, a first radiator and a second radiator, wherein the input end of the near field communication chip is connected with the grounding structure, and the output end of the near field communication chip is divided into a first path signal line and a second path signal line which are connected in parallel: the first access signal line is connected with the first radiator, and the first end of the grounding structure is connected with the first radiator, so that when the near field communication chip works, a first loop formed by the first access signal line, the first radiator and the grounding structure in a surrounding way carries out transmission of near field communication signals; the second path signal line is connected with the second radiator, and the second end of the grounding structure is connected with the second radiator, so that when the near field communication chip works, the second path signal line, the second radiator and the grounding structure enclose a second loop to transmit near field communication signals. At this time, the first loop and the second loop can be connected in parallel to each other, so that, compared with the related art, when the two loops work together, on one hand, the part of the first radiator connected into the first loop and the part of the second radiator connected into the second loop are used as near field communication antennas, the connected part of the near field communication antennas is obviously prolonged, the radiation area and the inductance are increased, the radiation range is wider, and on the other hand, when one loop cannot work normally, the other loop can still ensure the normal use of the near field communication transmission function, thereby effectively improving the read-write performance of near field communication signals, the near field communication transmission effect of the terminal equipment, improving the reliability of the near field communication function of the terminal equipment, and further improving the market competitiveness of products.
Meanwhile, the radiation range and the emission performance of the near field communication antenna are greatly improved, the use of the all-metal rear cover is facilitated, the metal texture of the rear cover of the terminal equipment is improved, and then the appearance attractiveness of the terminal equipment is improved. It is conceivable that the near field communication chip may be a near field communication chip such as an NFC chip, a wireless charging chip, or the like.
Preferably, the first radiator may be disposed above the rear cover of the terminal device, and the second radiator is disposed below the rear cover of the terminal device, so that when the near field communication signal forms a loop, the coverage area of the loop formed by surrounding the first radiator is as large as possible, and the inductance formed in the loop is ensured to be large. In addition, the first radiator and the second radiator are respectively arranged above and below the rear cover of the terminal equipment, so that the first radiator and the second radiator can be respectively distributed above and below the terminal equipment when being connected into the first loop and the second loop to form a near field communication antenna, the upper end and the lower end of the terminal equipment can both receive and transmit near field communication signals when the terminal equipment is used for near field communication by a user, and the use occasion of the user can be effectively expanded, and the near field communication signals can also be received and transmitted when the user reversely takes the terminal equipment.
In addition, the antenna assembly provided by the technical scheme of the invention has the following additional technical characteristics:
in any of the foregoing solutions, preferably, the antenna assembly further includes: a first connection point connecting the ground structure with the first radiator; the second connecting point connects the grounding structure with the second radiator.
In this technical scheme, antenna assembly still includes first tie point and second tie point, and first tie point is connected ground structure and first radiator, and first tie point can form first return circuit with first passageway signal line, first radiator, ground structure enclose, and the second tie point is connected ground structure and second radiator, and the second tie point can form the second return circuit with first passageway signal line, first radiator, ground structure enclose, and first tie point and second tie point can effectively eliminate parasitic coupling between the circuit.
It is conceivable that the first connection point and the second connection point are used for realizing connection and isolation between the first radiator and the second radiator and the grounding structure respectively, and the first connection point and the second connection point can be set as a rib position, a metal elastic sheet, a flexible circuit board, a decoupling circuit or a decoupling electric appliance, so that connection and isolation between the first radiator and the second radiator and the grounding structure respectively can be realized; meanwhile, in order to facilitate the arrangement of the first connecting point and the second connecting point between the first radiator and the second radiator and the grounding structure, the first radiator, the first connecting point and the grounding structure can be all arranged into an integrated structure, and the second radiator, the second connecting point and the grounding structure are all arranged into an integrated structure, so that on one hand, the arrangement steps of the first connecting point and the second connecting point can be simplified; on the other hand, the first connecting point and the second connecting point can be effectively guaranteed to effectively isolate the first radiator from the second radiator.
In any of the foregoing solutions, preferably, the antenna assembly further includes: the first decoupling device is arranged on the first channel signal line and is positioned in the first gap; and the second decoupling device is arranged on the second path signal line, is positioned in the second gap, and is provided with a first gap between the first radiator and the grounding structure and a second gap between the second radiator and the grounding structure.
In the technical scheme, the antenna assembly further comprises a first decoupling device and a second decoupling device, the first decoupling device is arranged on the first channel signal line, so that when the first channel signal line is connected with the first radiator, the first decoupling device is ensured to effectively eliminate parasitic coupling between circuits, interference of near field communication signals on other frequency band functional antennas is avoided, and meanwhile performance of the near field communication signals is also prevented from being influenced by other functional antennas; and the second decoupling device is arranged on the second path signal line, so that when the second path signal line is connected with the second radiator, the second decoupling device is ensured to effectively eliminate parasitic coupling between circuits, interference of near field communication signals to other frequency band functional antennas is avoided, interference of the near field communication signals to other frequency band functional antennas is avoided, and meanwhile, the performance of the near field communication signals is also prevented from being influenced by other functional antennas. The first decoupling device is arranged in the first gap, and the second decoupling device is arranged in the second gap, so that the gap space can be effectively utilized, and the rationality of the space arrangement in the rear cover is increased.
In any of the above embodiments, preferably, a first space is provided between the first connection point and the first decoupling device, and a second space is provided between the second connection point and the second decoupling device.
In the technical scheme, a first distance is arranged between the first connecting point and the first decoupling device, the larger the first distance is, the longer the first radiator is connected into the first loop, the longer the first radiator is used as the length of the near field communication antenna, the wider the radiation range of the near field communication signal is, and due to the actions of the first connecting point and the first decoupling device, the interference of the near field communication signal of the part of the first radiator connected into the first loop on other frequency band functional antennas can be avoided, and the influence of other functional antennas on the performance of the near field communication signal can be avoided. The second distance is arranged between the second connecting point and the second decoupling device, the longer the second distance is, the longer the second radiator is connected into the second loop, the wider the second radiator is used as the length of the near field communication antenna, and the radiation range of the near field communication signal is wider.
In any of the above-described aspects, preferably, the first path signal line is connected to an end portion of the first radiator, and the second path signal line is connected to an end portion of the second radiator.
In the technical scheme, the first channel signal wire is arranged to be connected with the end part of the first radiator, and the second signal wire is arranged to be connected with the end part of the second radiator, so that the lengths of the first radiator and the second radiator which are connected to the loop can be ensured to be as large as possible when the first radiator and the second radiator are connected, the first radiator and the second radiator can be used as near field communication antennas as much as possible, the radiator lengths of the near field communication antennas are increased as much as possible, and the communication effect of the near field communication antennas is improved.
Preferably, the first and second path signal lines are provided as metal signal lines, and when the distance between the first and second radiators is long, the first and second path signal lines need to be provided with a long length to be connected to the first and second radiators, so that in order to ensure a good signal transmission effect in the connection process, the first and second path signal lines are provided as metal signal lines, and effective transmission between electrical signals is ensured.
In any of the foregoing solutions, preferably, the antenna assembly further includes: the two communication signal ports are respectively connected with the first radiator and the second radiator, the GPS/WiFi signal port is connected with the first radiator; the first connecting point divides the first radiator into a full-frequency-band area and a middle-high-frequency-band area, the communication signal port is connected with the full-frequency-band area, and the GPS/WiFi signal port is connected with the middle-high-frequency-band area.
In the technical scheme, the antenna assembly further comprises two communication signal ports and a GPS/WiFi signal port, the two communication signal ports are respectively connected with the first radiator and the second radiator, so that the first radiator and the second radiator can be used as LTE antennas for communication when the communication signal ports are connected with data, and meanwhile, the first radiator can be used as an LTE upper antenna, the second radiator can be used as an LTE lower antenna, and the communication function of terminal equipment is ensured to be normal; in addition, the antenna assembly further comprises a GPS/WiFi signal port, the first radiator is connected with the GPS/WiFi signal port, and the first radiator is used as a GPS/WiFi antenna, so that the receiving and transmitting functions of the GPS/WiFi antenna are guaranteed to be normal; meanwhile, the first connecting point divides the first radiator into a full-frequency-band area and a middle-high-frequency-band area, the communication signal port is connected with the full-frequency-band area, the GPS/WiFi signal port is connected with the middle-high-frequency-band area, the isolation between the communication signal and the GPS/WiFi signal is good, the communication signal and the GPS/WiFi signal cannot be affected mutually, the second radiator is shared by LTE communication and near-field communication, at the moment, the second connecting point can be arranged at one end, far away from the second path signal line, of the second radiator, and the second radiator is ensured to be accessed into a loop as much as possible and used as LTE communication and near-field communication.
In addition, it is conceivable that in order to enhance the GPS/WiFi signal, the number of GPS/WiFi signal ports may be set to two, the second GPS/WiFi signal port is connected to the middle-high band region of the second radiator, and the second radiator realizes separation of the full band region and the middle-high band region through the second connection point, so that the second radiator can serve as both the GPS/WiFi antenna and the LTE antenna.
In any of the above embodiments, preferably, the first decoupling device and the second decoupling device are inductors.
In the technical scheme, the first decoupling device and the second decoupling device are set to be inductors, and the inductance value is adjusted to ensure that the inductance value in the first loop and the second loop is increased as much as possible, so that the effect of near field communication is improved.
In any of the above solutions, preferably, the grounding structure is disposed on a motherboard of the terminal; or the grounding structure is a metal plate and is arranged on the rear cover of the terminal equipment.
In this technical solution, the grounding structure may be disposed on the main board of the terminal, so that the grounding structure is connected with the ground of the main board, and at this time, the material of the rear cover of the terminal device may not be limited, for example, the rear cover of the terminal device may be made of a non-metal material such as plastic or ceramic, and the technical solution of the present invention may also be implemented.
In addition, the grounding structure can be set to be a metal plate and is set to be an integral structure with the rear cover of the terminal equipment, so that when the rear cover of the terminal equipment is a metal rear cover, the metal plate of the grounding structure can be used as the rear cover of the terminal equipment, and in the terminal equipment with the all-metal rear cover, the near-field communication antenna formed by the first radiator and the second radiator can effectively perform communication; and be provided with first decoupling zero and second decoupling zero between first radiator and second radiator, can effectually guarantee when setting up the ground structure as the metal sheet, can also form the area of windowing between metal sheet and first radiator and the second radiator, guarantee can produce sufficient inductance when near field communication.
According to a second aspect of the present invention, there is provided a terminal device having the antenna assembly provided by any one of the first aspect, so that the terminal device provided by the technical aspect of the present invention has all the advantages of the antenna assembly provided by any one of the first aspect, which are not listed here.
In any of the foregoing solutions, preferably, the terminal device further includes a metal rear cover, and the grounding structure of the antenna assembly is disposed on the metal rear cover.
In this technical scheme, the terminal setting still includes the metal back lid to cover the ground structure setting of antenna module behind the metal, make antenna module's through the metal back lid realization ground connection, avoided setting up the technical scheme of ground structure alone again in antenna module, reduced antenna module's cost, and then promoted the market competition of product.
Additional aspects and advantages of the invention 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 invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention 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 shows a schematic diagram of an antenna assembly provided by an embodiment of the present invention;
fig. 2 shows a further schematic diagram of an antenna assembly provided by an embodiment of the invention.
The correspondence between the reference numerals and the component names in fig. 1 and 2 is:
10 ground structure, 12 near field communication chip, 14 first radiator, 16 second radiator, 18 first path signal line, 20 second path signal line, 22 first connection point, 24 second connection point, 26 first decoupling device, 28 second decoupling device.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
An antenna assembly provided according to an embodiment of the present invention is described below with reference to fig. 1 and 2.
As shown in fig. 1 and 2, there is provided an antenna assembly for a terminal device according to an embodiment of the present invention, the antenna assembly including: a grounding structure 10; the near field communication chip 12, the input end of the near field communication chip 12 is connected with the grounding structure 10, and the output end of the near field communication chip 12 is divided into a first passage signal line 18 and a second passage signal line 20 which are connected in parallel; a first radiator 14 connected to a first end of the ground structure 10, a first gap being provided between the first radiator 14 and the ground structure 10, and a first via signal line 18 being connected to the first radiator 14; the second radiator 16 is connected to the second end of the ground structure 10, a second gap is provided between the second radiator 16 and the ground structure 10, and the second path signal line 20 is connected to the second radiator 16.
The antenna assembly provided by the invention comprises a grounding structure 10, a near field communication chip 12, a first radiator 14 and a second radiator 16, wherein the input end of the near field communication chip 12 is connected with the grounding structure 10, and the output end of the near field communication chip 12 is divided into a first passage signal line 18 and a second passage signal line 20 which are connected in parallel: the first via signal line 18 is connected to the first radiator 14, and the first end of the grounding structure 10 is connected to the first radiator 14, so that when the near field communication chip 12 is in operation, a first loop C1 formed by the first via signal line 18, the first radiator 14, and the grounding structure 10 is enclosed to transmit a near field communication signal; the second path signal line 20 is connected to the second radiator 16, and the second end of the grounding structure 10 is connected to the second radiator 16, so that when the near field communication chip 12 is in operation, the second path signal line 20, the second radiator 16, and the second loop C2 formed by surrounding the grounding structure 10 perform transmission of near field communication signals. At this time, the first loop C1 and the second loop C2 can be connected in parallel to each other, so, compared with the related art, when the two loops work together, on one hand, a part of the first radiator 14, which is connected into the first loop C1, and a part of the second radiator 16, which is connected into the second loop C2, are used as the near field communication antenna, the connected part of the near field communication antenna is obviously lengthened, the radiation area and the inductance are increased, so that the radiation range is wider, and on the other hand, when one loop cannot work normally, the other loop can still ensure the normal use of the near field communication transmission function, thereby effectively improving the read-write performance of near field communication signals, the near field communication transmission effect of the terminal equipment, the reliability of the near field communication function of the terminal equipment, and further improving the duration competitiveness of the product. Meanwhile, the radiation range and the emission performance of the near field communication antenna are greatly improved, so that the use of the all-metal rear cover is facilitated, the metal texture of the rear cover of the terminal equipment is improved, and the appearance attractiveness of the terminal equipment is further improved. It is conceivable that the near field communication chip 12 may be a near field communication chip such as an NFC chip, a wireless charging chip, or the like.
Preferably, the first radiator 14 may be disposed above the rear cover of the terminal device, and the second radiator 16 may be disposed below the rear cover of the terminal device, so that when the near field communication signal forms a loop, the coverage area of the loop formed by surrounding the first radiator is as large as possible, thereby ensuring that the inductance formed in the loop is large. In addition, the first radiator 14 and the second radiator 16 are respectively arranged above and below the rear cover of the terminal device, so that the first radiator 14 and the second radiator 16 can be respectively distributed above and below the terminal device when being connected with the first loop C1 and the second loop C2 to form a near field communication antenna, the upper end and the lower end of the terminal device can both receive and transmit near field communication signals when the terminal device is used for near field communication by a user, and the use occasion of the user can be effectively expanded, and the near field communication signals can be received and transmitted when the user takes the terminal device reversely.
In one embodiment of the present invention, preferably, the antenna assembly further comprises: a first connection point 22, the first connection point 22 connecting the ground structure 10 with the first radiator 14; a second connection point 24, the second connection point 24 connecting the ground structure 10 with the second radiator 16.
In this embodiment, the antenna assembly further includes a first connection point 22 and a second connection point 24, the first connection point 22 connects the ground structure 10 with the first radiator 14, the first connection point 22 can form a first loop C1 with the first path signal line 18, the first radiator 14, and the ground structure 10, the second connection point 24 connects the ground structure 10 with the second radiator 16, the second connection point 24 can form a second loop C2 with the second path signal line 20, the second radiator 16, and the ground structure 10, and the first connection point 22 and the second connection point 24 can effectively eliminate parasitic coupling between circuits.
It is conceivable that, to implement connection and isolation between the first radiator 14 and the second radiator 16 and the grounding structure 10, the first connection point 22 and the second connection point 24 may be set to be a rib, a metal spring, a flexible circuit board, a decoupling circuit or a decoupling electric appliance, so that connection and isolation between the first radiator 14 and the second radiator 16 and the grounding structure 10 can be implemented; meanwhile, in order to facilitate the arrangement of the first connection point 22 and the second connection point 24 between the first radiator 14 and the second radiator 16 and the grounding structure 10, the first radiator 14, the first connection point 22 and the grounding structure 10 may be all arranged as a single structure, and the second radiator 16, the second connection point 24 and the grounding structure 10 may be all arranged as a single structure, so that on one hand, the arrangement steps of the first connection point 22 and the second connection point 24 may be simplified; on the other hand, the first connection point 22 and the second connection point 24 can be effectively ensured to effectively isolate the first radiator 14 and the second radiator 16.
In one embodiment of the present invention, preferably, the antenna assembly further comprises: a first decoupling device 26 disposed on the first via signal line 18, the first decoupling device 26 being located within the first gap; and a second decoupling device 28 disposed on the second path signal line 20, wherein the second decoupling device 28 is disposed in the second gap, the first radiator 14 and the grounding structure 10 have a first gap therebetween, and the second radiator 16 and the grounding structure 10 have a second gap therebetween.
In this embodiment, the antenna assembly further includes a first decoupling device 26 and a second decoupling device 28, where the first decoupling device 26 is disposed on the first channel signal line 18, so that when the first channel signal line 18 is connected with the first radiator 14, it is ensured that the first decoupling device 26 can effectively eliminate parasitic coupling between circuits, so as to avoid interference of the near field communication signal on the functional antennas of other frequency bands, and also avoid the influence of the other functional antennas on the performance of the near field communication signal; the second decoupling device 28 is disposed on the second path signal line 20, so that when the second path signal line 20 is connected with the second radiator 16, the second decoupling device 28 is ensured to effectively eliminate parasitic coupling between circuits, avoid interference of near field communication signals to other frequency band functional antennas, and avoid influence of other functional antennas on performance of near field communication signals.
The first decoupling device 26 is disposed in the first gap, and the second decoupling device 28 is disposed in the second gap, so that the gap space can be effectively utilized, and the rationality of the space arrangement in the rear cover is increased.
In one embodiment of the present invention, it is preferable that the first connection point 22 has a first spacing from the first decoupling device 26 and the second connection point 24 has a second spacing from the second decoupling device 28.
In this embodiment, the first connection point 22 and the first decoupling device 26 have a first distance, the larger the first distance, the longer the first radiator 14 is connected to the first loop C1, the longer the first radiator 14 is served as a near field communication antenna, the wider the radiation range of the near field communication signal, and due to the effect of the first connection point 22 and the first decoupling device 26, the interference of the near field communication signal of the portion of the first radiator 14 connected to the first loop C1 on other frequency band functional antennas can be avoided, and the influence of other functional antennas on the performance of the near field communication signal can be avoided. The second connection point 24 and the second decoupling device 28 have a second distance, the larger the second distance is, the longer the second radiator 16 is connected to the second loop C2, the longer the second radiator 16 is served as a near field communication antenna, the wider the radiation range of the near field communication signal is, and due to the effect of the second connection point 24 and the second decoupling device 28, the interference of the near field communication signal of the part of the second radiator 16 connected to the second loop C2 on the functional antennas of other frequency bands can be avoided, and the influence of the functional antennas on the performance of the near field communication signal can be avoided.
In one embodiment of the present invention, it is preferable that the first via signal line 18 is connected to an end of the first radiator 14, and the second via signal line 20 is connected to an end of the second radiator 16.
In this embodiment, the first via signal line 18 is provided to be connected to the end of the first radiator 14 and the second via signal line is provided to be connected to the end of the second radiator 16, so that it is possible to ensure that the lengths of the first radiator 14 and the second radiator 16 to be connected to the loop are as large as possible when the first radiator 14 and the second radiator 16 are connected, so that as many of the first radiator 14 and the second radiator 16 can be used as near field communication antennas as possible, the radiator lengths of the near field communication antennas are increased as much as possible, and the communication effect of the near field communication antennas is improved.
Preferably, the first and second path signal lines 18 and 20 are provided as metal signal lines, and when the distance between the first and second radiators 14 and 16 is long, the first and second path signal lines 18 and 20 need to be provided with a long length to be connected to the first and second radiators 14 and 16, and thus, in order to ensure a good signal transmission effect during the connection, the first and second path signal lines 18 and 20 are provided as metal signal lines, ensuring an efficient transmission between electrical signals.
In one embodiment of the present invention, preferably, the antenna assembly further comprises: two communication signal ports connected to the first radiator 14 and the second radiator 16, respectively, and a GPS/WiFi signal port connected to the first radiator 14; the first connection point 22 divides the first radiator 14 into a full-band region and a middle-high-band region, the communication signal port is connected with the full-band region, and the GPS/WiFi signal port is connected with the middle-high-band region.
In this embodiment, the antenna assembly further comprises two communication signal ports, respectively connected to the first radiator 14 and the second radiator 16, when the communication signal ports are connected with data, the first radiator 14 and the second radiator 16 can be used as LTE antennas for communication, meanwhile, the first radiator 14 can be used as an LTE upper antenna, and the second radiator 16 can be used as an LTE lower antenna, so that the communication function of the terminal equipment is ensured to be normal; in addition, the antenna assembly further comprises a GPS/WiFi signal port, the first radiator 14 is connected with the GPS/WiFi signal port, and the first radiator 14 is used as a GPS/WiFi antenna, so that the receiving and transmitting functions of the GPS/WiFi antenna are guaranteed to be normal; meanwhile, since the first connection point 22 divides the first radiator 14 into the full-band region and the middle-high band region, the communication signal port is connected with the full-band region, and the GPS/WiFi signal port is connected with the middle-high band region, so that the isolation between the communication signal and the GPS/WiFi signal is better, the communication signal and the GPS/WiFi signal will not be affected mutually, and the second radiator 16 is only shared by LTE communication and near field communication, at this time, the second connection point 24 can be disposed at one end of the second radiator 16 far away from the second channel signal line 20, so as to ensure that the second radiator 16 is accessed into the loop as much as possible and is used as LTE communication and near field communication.
It is also conceivable that, in order to enhance the GPS/WiFi signal, the number of GPS/WiFi signal ports may be set to two, a second GPS/WiFi signal port is connected to the mid-high band region of the second radiator 16, and the second radiator 16 realizes the separation of the full-band region and the middle-high band region through the second connection point 24, so that the second radiator 16 can be used as a GPS/WiFi antenna and an LTE antenna.
In one embodiment of the present invention, the first decoupling device 26 and the second decoupling device 28 are preferably inductors.
In this embodiment, the first decoupling device 26 and the second decoupling device 28 are set to be inductors, and the inductance value is adjusted to increase the inductance in the first loop C1 and the second loop C2 as much as possible, so as to improve the near field communication effect.
In one embodiment of the present invention, the grounding structure 10 is preferably disposed on the motherboard of the terminal; or the grounding structure 10 is a metal plate, and the grounding structure 10 is arranged on the rear cover of the terminal device.
In this embodiment, the grounding structure 10 may be disposed on the main board of the terminal, so that the grounding structure 10 is connected to the ground of the main board, and in this case, the material of the rear cover of the terminal device may not be limited, for example, the rear cover of the terminal device may be made of a non-metal material such as plastic or ceramic, which can also implement the embodiments of the present invention.
In addition, the grounding structure 10 may be configured as a metal plate, and the grounding structure 10 may be configured as an integral structure with a rear cover of the terminal device, so that when the rear cover of the terminal device is a metal rear cover, the metal plate of the grounding structure 10 may be used as the rear cover of the terminal device, and in the terminal device with an all-metal rear cover, the near field communication antenna formed by the first radiator 14 and the second radiator 16 may effectively perform communication; and the first decoupling device 26 and the second decoupling device 28 are arranged between the first radiator 14 and the second radiator 16, so that when the grounding structure 10 is arranged as a metal plate, a window opening area can be formed between the metal plate and the first radiator 14 and the second radiator 16, and sufficient inductance can be generated during near field communication.
According to a second aspect of the present invention, there is provided a terminal device having an antenna assembly provided by any one of the embodiments of the first aspect, and therefore, the terminal device provided by the embodiment of the present invention has all the advantages of the antenna assembly provided by any one of the embodiments of the first aspect, which are not listed herein.
In one embodiment of the invention, the terminal device preferably further comprises a metallic back cover, the grounding structure 10 of the antenna assembly being arranged on the metallic back cover.
In this embodiment, the terminal set further includes a metal rear cover, and the grounding structure 10 of the antenna assembly is disposed on the metal rear cover, so that the antenna assembly is grounded through the metal rear cover, which avoids the embodiment that the grounding structure 10 is separately disposed in the antenna assembly, reduces the cost of the antenna assembly, and further improves the market competitiveness of the product.
In the description of the present specification, the azimuth or positional relationship indicated by the terms "upper", "lower", etc., are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and are not indicative or implying that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. For the common in the art as is known to the skilled person, the specific meaning of the above terms in the present invention can be understood according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention, are intended to be included within the scope of the present invention.
Claims (8)
1. An antenna assembly for a terminal device, the antenna assembly comprising:
a grounding structure;
the input end of the near field communication chip is connected with the grounding structure, and the output end of the near field communication chip is divided into a first passage signal line and a second passage signal line which are connected in parallel;
the first radiator is connected with the first end of the grounding structure, and the first channel signal line is connected with the first radiator;
the second radiator is connected with the second end of the grounding structure, and the second path signal line is connected with the second radiator;
a first connection point connecting the ground structure with the first radiator;
a second connection point connecting the ground structure with the second radiator;
two communication signal ports respectively connected with the first radiator and the second radiator,
the GPS/WiFi signal port is connected with the first radiator;
the first connecting point divides the first radiator into a full-frequency-band area and a medium-high-frequency-band area, the communication signal port is connected with the full-frequency-band area, and the GPS/WiFi signal port is connected with the medium-high-frequency-band area.
2. The antenna assembly of claim 1, wherein the antenna assembly further comprises:
a first decoupling device disposed on the first path signal line; and
And a second decoupling device disposed on the second path signal line.
3. The antenna assembly of claim 2 wherein,
the first connecting point and the first decoupling device are provided with a first interval therebetween, and the second connecting point and the second decoupling device are provided with a second interval therebetween.
4. The antenna assembly of claim 3 wherein,
the first path signal line is connected with an end of the first radiator, and the second path signal line is connected with an end of the second radiator.
5. The antenna assembly of claim 2 wherein,
the first decoupling device and the second decoupling device are inductors.
6. The antenna assembly of any one of claims 1 to 5,
the grounding structure is arranged on a main board arranged on the terminal; or (b)
The grounding structure is a metal plate and is arranged on the rear cover of the terminal equipment.
7. A terminal device comprising an antenna assembly as claimed in any one of claims 1 to 6.
8. The terminal device of claim 7, further comprising a metallic back cover, the ground structure of the antenna assembly being disposed on the metallic back cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025769.9A CN108288755B (en) | 2017-10-27 | 2017-10-27 | Antenna assembly and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711025769.9A CN108288755B (en) | 2017-10-27 | 2017-10-27 | Antenna assembly and terminal equipment |
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| CN108288755A CN108288755A (en) | 2018-07-17 |
| CN108288755B true CN108288755B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711025769.9A Active CN108288755B (en) | 2017-10-27 | 2017-10-27 | Antenna assembly and terminal equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112448726B (en) * | 2019-08-30 | 2022-04-01 | Oppo广东移动通信有限公司 | Electronic equipment and working mode switching method |
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| CN204760528U (en) * | 2012-11-19 | 2015-11-11 | 苹果公司 | Antenna structure and electronic equipment |
| CN105390811A (en) * | 2014-09-03 | 2016-03-09 | 苹果公司 | Electronic device antenna with interference mitigation circuitry |
| CN205509020U (en) * | 2016-02-22 | 2016-08-24 | 深圳市金立通信设备有限公司 | Communication terminal |
| CN106450697A (en) * | 2016-10-21 | 2017-02-22 | 珠海市魅族科技有限公司 | Antenna apparatus of electronic equipment and the electronic equipment |
| JP2017130965A (en) * | 2017-03-22 | 2017-07-27 | ノキア テクノロジーズ オーユー | Wireless communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10312593B2 (en) * | 2014-04-16 | 2019-06-04 | Apple Inc. | Antennas for near-field and non-near-field communications |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1295845A (en) * | 1968-11-20 | 1972-11-08 | ||
| CN204760528U (en) * | 2012-11-19 | 2015-11-11 | 苹果公司 | Antenna structure and electronic equipment |
| CN105390811A (en) * | 2014-09-03 | 2016-03-09 | 苹果公司 | Electronic device antenna with interference mitigation circuitry |
| CN205509020U (en) * | 2016-02-22 | 2016-08-24 | 深圳市金立通信设备有限公司 | Communication terminal |
| CN106450697A (en) * | 2016-10-21 | 2017-02-22 | 珠海市魅族科技有限公司 | Antenna apparatus of electronic equipment and the electronic equipment |
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| CN108288755A (en) | 2018-07-17 |
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