CN113013617A - Antenna assembly and electronic equipment - Google Patents
Antenna assembly and electronic equipment Download PDFInfo
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- CN113013617A CN113013617A CN202110234534.0A CN202110234534A CN113013617A CN 113013617 A CN113013617 A CN 113013617A CN 202110234534 A CN202110234534 A CN 202110234534A CN 113013617 A CN113013617 A CN 113013617A
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- 239000003990 capacitor Substances 0.000 claims description 40
- 230000008054 signal transmission Effects 0.000 claims description 7
- 239000010410 layer Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 19
- 239000011241 protective layer Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012811 non-conductive material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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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
Abstract
The application provides an antenna assembly, which comprises a cable, wherein the cable comprises an inner core, an outer shell and an insulating layer, the inner core is used for transmitting a first signal, so that an antenna radiating body electrically connected with the inner core receives and transmits an electromagnetic wave signal of a first frequency band according to the first signal; the insulating layer is arranged between the inner core and the shell and used for isolating the electrical connection between the inner core and the shell, the shell is coated on the insulating layer and the inner core and used for receiving a second signal and receiving and transmitting an electromagnetic wave signal of a second frequency band according to the second signal, wherein the frequency of the electromagnetic wave signal of the first frequency band is greater than that of the electromagnetic wave signal of the second frequency band. According to the antenna, the frequency of the electromagnetic wave signal of the first frequency band transmitted and received according to the first signal is different from the frequency of the electromagnetic wave signal of the second frequency band transmitted and received according to the second signal, so that the first signal and the second signal are transmitted on the same cable wire respectively, coexistence of different antenna signals is realized, and the design space of the antenna is saved. The application also provides an electronic device.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to an antenna assembly and an electronic device.
Background
At present, more and more devices are used in electronic equipment, and more antennas are needed in the electronic equipment, so that the space of the antenna is seriously squeezed by other devices in the electronic equipment, for example, a front-mounted dual camera, a rear-mounted quad camera and the like, so that the design space of the antenna is smaller.
Disclosure of Invention
The application discloses antenna module can solve the less technical problem in antenna design space, realizes different antenna signal coexistence in limited space.
In a first aspect, the present application provides an antenna assembly, including a cable, where the cable includes an inner core, an outer shell, and an insulating layer, where the inner core is used to transmit a first signal, so that an antenna radiator electrically connected to the inner core transceives an electromagnetic wave signal in a first frequency band according to the first signal; the insulating layer is arranged between the inner core and the shell and used for isolating the electrical connection between the inner core and the shell, the shell is coated on the insulating layer and the inner core, the shell is used for receiving a second signal and receiving and transmitting an electromagnetic wave signal of a second frequency band according to the second signal, and the frequency of the electromagnetic wave signal of the first frequency band is greater than that of the electromagnetic wave signal of the second frequency band.
The inner core is used for transmitting the first signal, the shell is used for transmitting the second signal, and the frequency of the electromagnetic wave signal of the first frequency band received and transmitted according to the first signal is different from the frequency of the electromagnetic wave signal of the second frequency band received and transmitted according to the second signal, so that the first signal and the second signal are respectively transmitted on the same cable wire, coexistence of different antenna signals is realized, and the design space of the antenna is saved.
In a second aspect, the present application also provides an electronic device comprising an antenna assembly as described in the first aspect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on the drawings without any inventive exercise.
Fig. 1 is a schematic structural diagram of a cable according to an embodiment of the present application.
FIG. 2 is a cross-sectional view taken along line I-I of the electrical cable provided in FIG. 1.
Fig. 3 is a schematic structural diagram of a cable according to another embodiment of the present application.
Fig. 4 is a sectional view taken along line II-II in fig. 3.
Fig. 5 is a circuit diagram of an antenna assembly according to an embodiment of the present application.
Fig. 6 is a schematic circuit diagram of an antenna assembly according to another embodiment of the present application.
Fig. 7 is a circuit diagram of an antenna assembly according to another embodiment of the present application.
Fig. 8 is a circuit diagram of an antenna assembly according to another embodiment of the present application.
Fig. 9 is a circuit diagram of an antenna assembly according to another embodiment of the present application.
Fig. 10 is a circuit diagram of an antenna assembly according to another embodiment of the present application.
Fig. 11 is a schematic view of an electronic device according to an embodiment of the present application.
Fig. 12 is a schematic sectional view taken along line III-III in fig. 11.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Reference herein to "an embodiment" or "an implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment or implementation can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The present application provides an antenna assembly 1, please refer to fig. 1, fig. 1 is a schematic structural diagram of a cable line according to an embodiment of the present application; FIG. 2 is a cross-sectional view taken along line I-I of the electrical cable provided in FIG. 1. The antenna assembly 1 includes a cable 11, and the cable 11 includes an inner core 111, an outer shell 112 and an insulating layer 113. The inner core 111 is configured to transmit a first signal, so that an antenna radiator 16 (see fig. 10) electrically connected to the inner core 111 transceives an electromagnetic wave signal of a first frequency band according to the first signal. The insulating layer 113 is disposed between the inner core 111 and the outer shell 112 for isolating the electrical coupling between the inner core 111 and the outer shell 112. The outer shell 112 is wrapped on the insulating layer 113 and the inner core 111, and the outer shell 112 is configured to receive a second signal and transmit and receive an electromagnetic wave signal of a second frequency band according to the second signal, where a frequency of the electromagnetic wave signal of the first frequency band is greater than a frequency of the electromagnetic wave signal of the second frequency band.
Furthermore, it should be noted that the terms "first", "second", and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing different objects and are not used for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.
Typically, the inner core 111 and the outer shell 112 are made of a conductive material, such as metal. For example, the material of the inner core 111 may be, but not limited to, copper, silver, and the like. The material of the housing 112 may be, but is not limited to, copper, silver, and other metals. The insulating layer 113 is made of a non-conductive material, i.e., an electrically insulating material. The insulating layer 113 may be made of, but not limited to, rubber, plastic, etc. In order to prevent the first signal transmitted on the inner core 111 from being interfered by electromagnetic wave signals other than the cable wires 11, an outer shell 112 is usually disposed on the outer periphery of the inner core 111 as a shielding layer. In order to prevent an electrical connection between the inner core 111 and the outer shell 112, the insulating layer 113 is disposed between the inner core 111 and the insulating layer 113 to insulate an electrical coupling between the inner core 111 and the outer shell 112.
The inner core 111 is electrically connected with the antenna radiator 16, and the antenna radiator 16 may be a Flexible Printed Circuit (FPC) antenna radiator or a Laser Direct Structuring (LDS) antenna radiator, or a Print Direct Structuring (PDS) antenna radiator, or a metal stub.
In this embodiment, when the material of the housing 112 is a conductive material, the housing 112 may also be used as an antenna radiator for receiving and transmitting the electromagnetic wave signal of the second frequency band according to the second signal.
It should be noted that in the related art, the cable line 11 in the electronic device is generally used for transmitting only one antenna signal, i.e., the first signal. It can be understood that, in this embodiment, the inner core 111 is configured to transmit the first signal, and the outer shell 112 is configured to transmit the second signal, and the frequency of the electromagnetic wave signal in the first frequency band received and transmitted according to the first signal is different from the frequency of the electromagnetic wave signal in the second frequency band received and transmitted according to the second signal, so that the first signal and the second signal are respectively transmitted on the same cable line 11, thereby implementing coexistence of different antenna signals, and saving design space of the antenna.
Specifically, please refer to fig. 3 and 4 together, fig. 3 is a schematic diagram of a cable structure according to another embodiment of the present application; fig. 4 is a sectional view taken along line II-II in fig. 3. In the present embodiment, the cable 11 includes an inner core 111, an outer shell 112, and an insulating layer 113. Please refer to the foregoing description for the inner core 111, the outer shell 112 and the insulating layer 113, which is not described herein again. In this embodiment, the cable 11 further includes a protective layer 114, and the protective layer 114 is wrapped around the outer shell 112 and used for protecting the outer shell 112, the insulating layer 113 and the inner core 111.
The material of the protection layer 114 is generally a relatively strong and electrically non-conductive material, so that the protection layer 114 can protect the outer shell 112, the insulation layer 113 and the inner core 111. It is understood that the material of the protection layer 114 is not limited by the present application. For example, the material of the protection layer 114 can be, but not limited to, rubber, plastic, etc.
It should be noted that, in the following embodiments, in order to better embody the structure of the electric cable 11, the application omits the protective layer 114 from the following illustration, and does not mean that the electric cable 11 does not include the protective layer 114, but it should not be understood that the protective layer 114 is a limitation on the electric cable 11, in other words, in other embodiments, the electric cable 11 may not include the protective layer 114.
In one possible implementation, please refer to fig. 5, and fig. 5 is a schematic circuit diagram of an antenna element according to an embodiment of the present application. The antenna component 1 comprises a capacitor 12, one end of the capacitor 12 is electrically connected with the shell 112, and the other end of the capacitor 12 is grounded. The antenna component 1 comprising the capacitor 12 may be incorporated in the antenna component 1 according to any of the embodiments described above, as explained in more detail below.
In one possible embodiment, the antenna assembly 1 includes an inner core 111, an outer shell 112, an insulating layer 113, and a capacitor 12. Please refer to the foregoing description for the inner core 111, the outer shell 112 and the insulating layer 113, which is not described herein again.
In another possible embodiment, the antenna assembly 1 includes an inner core 111, an outer shell 112, an insulating layer 11, a protective layer 114, and a capacitor 12. Please refer to the foregoing description for the inner core 111, the outer shell 112, the insulating layer 113 and the protective layer 114, which is not described herein again.
Since the capacitor 12 has the characteristics of passing high frequencies and blocking low frequencies, the electromagnetic wave signals of the first frequency band with larger frequencies can be grounded through the capacitor 12, while the electromagnetic wave signals of the second frequency band with smaller frequencies are blocked with respect to the capacitor 12. Therefore, the antenna assembly 1 provided by the present embodiment achieves the purpose that the electromagnetic wave signals in the first frequency band and the electromagnetic wave signals in the second frequency band do not interfere with each other by adding the capacitor 12.
It can be understood that the frequency of the electromagnetic wave signal that can pass through the capacitor 12 has a certain relationship with the capacitance value of the capacitor 12, and then the capacitance value of the capacitor 12 can be set according to the actual situation, and the frequency of the electromagnetic wave signal that passes through the capacitor 12 is changed, so as to achieve the purpose of controlling the grounding of the electromagnetic wave signal of the different first frequency band through the capacitor 12. The capacitance value of the capacitor will be described later with reference to the sizes of the first frequency band and the second frequency band.
In one possible implementation, please refer to fig. 6 together, and fig. 6 is a circuit diagram of an antenna element according to another embodiment of the present application. The housing 112 has a plurality of connection points 112a arranged at intervals, the antenna component 1 includes a plurality of capacitors 12, the capacitors 12 are electrically connected with the connection points 112a, and different capacitors 12 are respectively electrically connected with different connection points 112 a.
The housing 112 includes a plurality of spaced apart connection points 112a that can be incorporated into any of the previously described embodiments, as will be described in more detail below.
In one possible embodiment, the antenna assembly 1 includes an inner core 111, an outer shell 112, an insulating layer 113, and a capacitor 12, and the outer shell has a plurality of connection points 112a arranged at intervals. Please refer to the foregoing description for the inner core 111, the outer shell 112 and the insulating layer 113, which is not described herein again.
In another possible embodiment, the antenna assembly 1 includes an inner core 111, an outer shell 112, an insulating layer 113, a protective layer 114, and a capacitor 12, and the outer shell has a plurality of connection points 112a arranged at intervals. Please refer to the foregoing description for the inner core 111, the outer shell 112, the insulating layer 113 and the protective layer 114, which is not described herein again.
It is understood that the cable 11 generally has a certain length, and in order to enable the electromagnetic wave signals of the first frequency band and the electromagnetic wave signals of the second frequency band not to interfere with each other at a plurality of positions of the cable 11, in the present embodiment, a plurality of connection points 112a are disposed on the housing 112 at intervals, so that a plurality of capacitors 12 are electrically connected to the connection points 112a, thereby isolating the electromagnetic wave signals of the second frequency band with smaller frequency at a plurality of positions of the cable 11.
Specifically, in the present embodiment, the capacitance value of each capacitor 12 is the same. In other possible embodiments, for example, when the housing 112 is further used for transmitting electromagnetic wave signals in a third frequency band, and the frequency of the electromagnetic wave signals in the third frequency band is different from the frequency of the electromagnetic wave signals in the second frequency band, the capacitance value of each capacitor 12 may be different, so that part of the capacitors 12 may also block the electromagnetic wave signals in the third frequency band, so that the electromagnetic wave signals in the third frequency band and the electromagnetic wave signals in the first frequency band do not interfere with each other.
In one possible implementation, please refer to fig. 7 together, and fig. 7 is a circuit diagram of an antenna element according to another embodiment of the present application. The antenna assembly 1 comprises an inner core 111, a shell 112, an insulating layer 113 and a capacitor 12, wherein the shell is provided with a plurality of connection points 112a arranged at intervals, and the antenna assembly 1 further comprises a feed source 13 and an inductor 14. Please refer to the foregoing description for the inner core 111, the outer shell 112, the insulating layer 113 and the capacitor 12, which is not described herein again. The feed 13 is used to generate the second signal. One end of the inductor 14 is electrically connected to the housing 112, and the other end of the inductor 14 is electrically connected to the feed source 13. The housing 112 has a ground point 112b, the ground point 112b being directly grounded. The feed source 13, the housing 112, and the ground point 112b form a signal transmission loop of the second signal.
Specifically, the housing 112 is directly grounded via the grounding point 112b, and the second signal can be grounded via the grounding point 112 b. In the signal transmission loop of the second signal, because the inductor 14 has the characteristic of low frequency resistance and high frequency, the electromagnetic wave signal of the first frequency band with a larger frequency is isolated in the signal transmission loop of the second signal, so that the mutual interference between the first signal and the second signal is realized, that is, the mutual interference between the electromagnetic wave signal of the first frequency band and the electromagnetic wave signal of the second frequency band is realized.
It can be understood that, the frequency of the electromagnetic wave signal that can pass through the inductor 14 has a certain relationship with the inductive reactance of the inductor 14, the inductive reactance of the inductor 14 can be set according to practical situations, and the frequency of the electromagnetic wave signal that passes through the inductor 14 is changed, so as to achieve the purpose of controlling the electromagnetic wave signal of the second frequency band that is different to pass through the inductor 14. The inductive reactance of the inductor will be described later in connection with the size of the first and second frequency bands.
In one possible embodiment, referring to fig. 7 again, the terminal 112c of the inductor 14 electrically connected to the housing 112 is located at one end of the cable 11, and the grounding point 112b is located at the other end of the cable 11.
Specifically, in the present embodiment, since the outer shell 112 serves as an antenna radiator for the electromagnetic wave signal of the second frequency band, the end 112c of the inductor 14 electrically connected to the outer shell 112 is located at one end of the cable line 11, and the grounding point 112b is located at the other end of the cable line 11, so that the path for transmitting the second signal on the outer shell 112 can be longer.
In one possible implementation, please refer to fig. 8, and fig. 8 is a schematic circuit diagram of an antenna element according to another embodiment of the present application. One end of the inductor 14 is electrically connected to one connection point 112a at the end portion, and the remaining connection points 112a are located between the one connection point 112a of the end portion and the ground point 112 b.
Specifically, as shown in fig. 8, the arrangement mode makes the path of the second signal transmitted on the outer shell 112 longest, so that the length of the antenna radiator formed by the outer shell 112 longest, thereby achieving the purpose of supporting the electromagnetic wave signal of the second frequency band of the wider frequency band.
It is understood that, in other possible embodiments, the terminal 112c of one end of the inductor 14 electrically connected to the housing 112 may also be located at other parts of the housing 112, as long as the signal transmission loop of the second signal formed by the feed source 13, the housing 112, and the ground point 112b is not affected, and the application is not limited thereto.
In one possible implementation, please refer to fig. 9 together, and fig. 9 is a circuit diagram of an antenna element according to another embodiment of the present application. The antenna component 1 further comprises a circuit board 15. The antenna component 1 further comprises a circuit board 15, the circuit board 15 being incorporated in the antenna component 1 provided in any of the above embodiments, and in the schematic diagram of the present embodiment, the antenna component 1 further comprises the circuit board 15 incorporated in the schematic diagram of the previously described embodiment of one antenna component 1.
The circuit board 15 has a ground 151, the other end of the capacitor 12 is electrically connected to the ground 151 so that the other end of the capacitor 12 is grounded, and the ground point 112b is electrically connected to the ground 151 so that the ground point 112b is directly grounded.
Specifically, the ground pole 151 is a total ground line on the circuit board 15. The other end of the capacitor 12 is electrically connected to the ground 151, so that the other end of the capacitor 12 is grounded, thereby forming a signal transmission loop for the first signal. The grounding point 112b is electrically connected to the ground 151, so that the grounding point 112b is directly grounded, thereby forming a signal transmission loop for the second signal.
In a possible embodiment, the frequency of the electromagnetic wave signal in the first frequency band is greater than 100MHz, and the frequency of the electromagnetic wave signal in the second frequency band is less than 100 MHz.
Specifically, for example, the electromagnetic wave signal of the first frequency band may be a cellular signal, and the frequency of the electromagnetic wave signal of the first frequency band is 600MHz or more. Since the electromagnetic wave signal greater than 100MHz belongs to a high frequency signal, when the electromagnetic wave signal of the first frequency band is 600MHz, the first frequency band is a high frequency signal. The electromagnetic wave signal of the second frequency band may be a Near Field Communication (NFC) signal, and the frequency of the electromagnetic wave signal of the second frequency band is 13.56 MHz. Since the electromagnetic wave signal of less than 100MHz belongs to a low frequency signal, the second electromagnetic wave signal is a low frequency signal. In another embodiment, the electromagnetic wave signal of the second frequency band may also be an electromagnetic Absorption Rate (SAR) detection antenna signal, and the frequency of the electromagnetic wave signal of the second frequency band is also less than 100MHz, which is a lower frequency signal. Then, for the frequency range of the first electromagnetic wave signal and the frequency range of the second electromagnetic wave signal, in the present embodiment, the capacitance value of the capacitor 12 may be 100pf, so that the electromagnetic wave signal of the first frequency band may pass through, and the electromagnetic wave signal of the second frequency band may be blocked; and the inductive reactance of the inductor 14 is 33nH, so that the electromagnetic wave signal of the second frequency band can pass through, and the electromagnetic wave signal of the first frequency band is cut off.
It is understood that, in other possible embodiments, the capacitance of the capacitor 12 and the inductance of the inductor 14 may be changed according to the frequencies of the electromagnetic wave signal of the first frequency band and the electromagnetic wave signal of the second frequency band, so as to correspond to the frequencies of the electromagnetic wave signal of the first frequency band and the electromagnetic wave signal of the second frequency band, which is not limited in this application.
In one possible implementation, please refer to fig. 10 together, and fig. 10 is a circuit diagram of an antenna element according to another embodiment of the present application. The antenna component 1 further comprises an antenna radiator 16. The antenna radiator 16 is electrically connected to the inner core 111. The antenna component 1 further comprises an antenna radiator 16 which can be incorporated into the antenna component 1 provided in any of the previous embodiments. The antenna assembly 1 further includes an antenna radiator 16, so that the antenna 1 has two antenna radiators, and the transmission and reception of the electromagnetic wave signal in the first frequency band and the transmission and reception of the electromagnetic wave signal in the second frequency band are realized, so that the antenna assembly 1 has a wider bandwidth, and the electronic device 2 including the antenna assembly 1 has better communication performance.
Specifically, the antenna assembly 1 further includes a radio frequency module 17, the radio frequency module 17 is electrically connected to the inner core 111, the radio frequency module 17 is configured to generate the first signal and transmit the first signal to the antenna radiator 16 through the inner core 111, and the antenna radiator 16 receives and transmits the electromagnetic wave signal in the first frequency band according to the first signal.
Fig. 11 and 12 are also provided for an electronic device 2, and fig. 11 is a schematic diagram of an electronic device according to an embodiment of the present application; fig. 12 is a schematic sectional view taken along line I-I in fig. 11. The electronic device 2 includes the antenna assembly 1 according to any one of the foregoing embodiments, and please refer to the foregoing description for the antenna assembly 1, which is not described herein again.
The electronic device 2 includes, but is not limited to, an electronic device 2 having a communication function, such as a mobile phone, an internet device (MID), an electronic book, a Portable Player Station (PSP), or a Personal Digital Assistant (PDA).
Specifically, in the present embodiment, as shown in fig. 12, the electronic device 2 includes a middle frame 21, a screen 22, and a battery cover 23. The middle frame 21, the screen 22 and the battery cover 23 are described in detail as follows.
The middle frame 21 is made of metal, such as aluminum magnesium alloy. The middle frame 21 generally forms a ground of the electronic device 2, and when the electronic devices in the electronic device 2 need to be grounded, the middle frame 21 can be connected to the ground. The middle frame 21 includes a main body 211 and a frame 212 connected to the periphery of the main body 211.
The screen 22 may be a display screen with a display function, or the screen 22 may be integrated with a display function and a touch function. The screen 22 is used to display text, images, video, etc. The screen 22 is supported by the middle frame 21 and is located at one side of the middle frame 21.
The circuit board 15 is also generally carried by the middle frame 21, and the circuit board 15 and the screen 22 are carried by opposite sides of the middle frame 21. In one embodiment, the ground 151 of the circuit board 15 is electrically connected to the middle frame 21. The feed 13 and the radio frequency module 17 of the antenna assembly 1 described above may be disposed on the circuit board 15.
The battery cover 23 is disposed on a side of the circuit board 15 away from the middle frame 21, and the battery cover 23, the middle frame 21, the circuit board 15 and the screen 22 are mutually matched to assemble a complete electronic device 2. It is understood that the structural description of the electronic device 2 is merely a description of one form of the structure of the electronic device 2, and should not be understood as a limitation on the electronic device 2, nor should it be understood as a limitation on the antenna assembly 1.
The principle and the embodiment of the present application are explained herein by applying specific examples, and the above description of the embodiment is only used to help understand the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. An antenna assembly, characterized in that the antenna assembly comprises a cable wire, the cable wire comprises an inner core, an outer shell and an insulating layer, the inner core is used for transmitting a first signal, so that an antenna radiator electrically connected with the inner core receives and transmits electromagnetic wave signals of a first frequency band according to the first signal; the insulating layer is arranged between the inner core and the shell and used for isolating the electrical connection between the inner core and the shell, the shell is coated on the insulating layer and the inner core, the shell is used for receiving a second signal and receiving and transmitting an electromagnetic wave signal of a second frequency band according to the second signal, and the frequency of the electromagnetic wave signal of the first frequency band is greater than that of the electromagnetic wave signal of the second frequency band.
2. The antenna assembly of claim 1, wherein the antenna assembly includes a capacitor, one end of the capacitor being electrically connected to the housing, the other end of the capacitor being connected to ground.
3. An antenna assembly according to claim 2, wherein the housing has a plurality of connection points arranged at intervals, the antenna assembly comprising a plurality of capacitors electrically connected to the connection points, and wherein different ones of the capacitors are respectively electrically connected to different ones of the connection points.
4. The antenna assembly of claim 3, further comprising a feed source for generating the second signal and an inductor having one end electrically connected to the housing and another end electrically connected to the feed source, the housing having a ground point, the ground point being directly connected to ground, the feed source, the housing, and the ground point forming a signal transmission loop for the second signal.
5. The antenna assembly of claim 4, wherein the terminal at which the inductor is electrically connected to the housing is located at one end of the cable line, and the ground point is located at the other end of the cable line.
6. An antenna assembly according to claim 5, wherein one end of the inductance is electrically connected to a connection point at an end portion, and the remaining connection points are located between a connection point at the end portion and the ground point.
7. The antenna assembly of claim 4, further comprising a circuit board having a ground pole, the other end of the capacitor being electrically connected to the ground pole such that the other end of the capacitor is grounded, the ground point being electrically connected to the ground pole such that the ground point is directly grounded.
8. The antenna assembly of claim 1, wherein the frequency of the electromagnetic wave signals of the first frequency band is greater than 100MHz, and the frequency of the electromagnetic wave signals of the second frequency band is less than 100 MHz.
9. The antenna assembly of claim 1, further comprising an antenna radiator, the antenna radiator electrically connected to the inner core.
10. An electronic device, characterized in that the electronic device comprises an antenna assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110234534.0A CN113013617B (en) | 2021-03-03 | 2021-03-03 | Antenna assembly and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110234534.0A CN113013617B (en) | 2021-03-03 | 2021-03-03 | Antenna assembly and electronic equipment |
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| CN113013617A true CN113013617A (en) | 2021-06-22 |
| CN113013617B CN113013617B (en) | 2023-09-19 |
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| JP2005267873A (en) * | 2004-03-16 | 2005-09-29 | Yaskawa Electric Corp | Power cable |
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| CN103168427A (en) * | 2011-10-11 | 2013-06-19 | 华为技术有限公司 | E1 signal transmission line, e1 signal sending device and receiving device |
| CN104466393A (en) * | 2013-09-20 | 2015-03-25 | 索尼公司 | Apparatus for tuning multi-band frame antenna |
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| CN109478725A (en) * | 2016-09-23 | 2019-03-15 | 康普技术有限责任公司 | Double frequency-band paraboloid microwave antenna system |
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| CN113013617B (en) | 2023-09-19 |
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