CN104466392A - Antenna device, electronic equipment and method for setting antenna device - Google Patents
Antenna device, electronic equipment and method for setting antenna device Download PDFInfo
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- CN104466392A CN104466392A CN201310429663.0A CN201310429663A CN104466392A CN 104466392 A CN104466392 A CN 104466392A CN 201310429663 A CN201310429663 A CN 201310429663A CN 104466392 A CN104466392 A CN 104466392A
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Abstract
Provided are an antenna device, a piece of electronic equipment including the antenna device and a method for setting the antenna device. The antenna device comprises a radiation part which is formed with an all-metal frame of the electronic equipment and used for radiating and receiving antenna signals via a gap between the all-metal frame and a main circuit board of the electronic equipment, a first feeding end which is disposed in a first position of the all-metal frame and used for electrically connecting the radiating part to a first signal transceiver of the electronic equipment, a first grounding end which is disposed in a second position of the all-metal frame and used for being connected to the ground, and a second grounding end which is disposed in a third position of the all-metal frame and used for being connected to the ground, wherein the third position is different from the first position and the second position, and the first position is located between the second position and the third position. According to the technical scheme of the embodiment of the invention, the antenna does not influence the appearance design and structural strength of the electronic equipment, and occupies less space.
Description
Technical field
The present invention relates to communication technical field, more specifically, relating to a kind of antenna assembly, electronic equipment and the method for arranging antenna assembly.
Background technology
Along with the fast development of mobile communication technology, there is various types of electronic equipment with communication function, such as computer, personal digital assistant, mobile communication terminal etc.Described electronic equipment has antenna with transmission information and data etc.In addition, described electronic equipment is as the daily electronic product carried of user, and its appearance design is also by user is paid close attention to.Such as, user wishes that electronic equipment has metal edge frame, thus beautifies the outward appearance of electronic equipment and increase the structural strength of electronic equipment.But in the electronic equipment with metal edge frame etc., described metal edge frame causes great screen effect to the aerial radiation in electronic equipment, affects the communication performance of electronic equipment.
For the problems referred to above, existing solution is interrupted metal edge frame local, and part metals frame is come radiation and Received signal strength as aerial radiation main body.But the gap of interrupting region affects outward appearance and reduces the structural strength of electronic equipment, difficult in technique; And if the gap of interrupting region is held or conducting, then can cause the change of antenna resonant frequency point, thus greatly affect the performance of antenna.
Therefore, when being desirably in the appearance design and structural strength that do not affect electronic equipment, design has the antenna of little space hold.
Summary of the invention
Embodiments providing a kind of antenna assembly, comprising the electronic equipment of this antenna assembly and the method for arranging antenna assembly, described antenna assembly does not affect the appearance design of electronic equipment and structural strength and takies less space.
On the one hand, provide a kind of antenna assembly, be applied to electronic equipment, this electronic equipment comprises the first signal transceiver and main circuit board, frame in the shell of this electronic equipment is structure continuous print all-metal frame, and have gap between this all-metal frame and described main circuit board, described antenna assembly can comprise: Department of Radiation, described all-metal frame is utilized to be formed, for coming radiation and reception antenna signal via described gap; First feed end, is positioned in the primary importance of described all-metal frame, for described Department of Radiation is electrically connected to described first signal transceiver; First earth terminal, is positioned in the second place of described all-metal frame, for being connected to ground; With the second earth terminal, be positioned on the 3rd position of described all-metal frame, for being connected to ground, the 3rd position is different from described primary importance and the second place, and described primary importance is between the described second place and the 3rd position.
In described antenna assembly, can be the first section of described all-metal frame to the part of the 3rd position via primary importance from the described second place, described Department of Radiation can utilize described first section to be formed.
In described antenna assembly, described first section can be used for the aerial signal of radiation first frequency range and the second frequency range, and the frequency of described second frequency range can higher than described first frequency range.
In described antenna assembly, also can comprise: impedance component, for adjusting the resonance frequency of one of described first frequency range and the second frequency range, at least one in this impedor impedance operator and its position in described first section is corresponding with the resonance frequency of described adjustment.
In described antenna assembly, also can comprise: the first impedance component, for adjusting the frequency of described first frequency range, at least one in this first impedor impedance operator and its position in described first section is corresponding with the frequency of the first adjusted frequency range; Second impedance component, for adjusting the frequency of described second frequency range, at least one in this second impedor impedance operator and its position in described first section is corresponding with the frequency of the second adjusted frequency range.
In described antenna assembly, this electronic equipment also can comprise secondary signal transceiver, described all-metal frame be the first section of this all-metal frame to the part of the 3rd position via primary importance from the described second place, the part except the first section of described all-metal frame is its second section, described Department of Radiation can comprise the first Department of Radiation utilizing described first section to be formed, with the second Department of Radiation utilizing described second section to be formed, described first Department of Radiation can be used for radiation and receives the first aerial signal, described second Department of Radiation can be used for radiation and receives the second aerial signal, the frequency range of this first aerial signal is different from the frequency range of described second aerial signal, described antenna assembly also can comprise the second feed end for described second Department of Radiation being electrically connected to described secondary signal transceiver.
In described antenna assembly, also can comprise: the 3rd earth terminal, be arranged in the second section of described all-metal frame, for being connected to ground, the 3rd position of earth terminal in the second section is corresponding with the frequency of described second aerial signal.
On the other hand, provide a kind of electronic equipment, comprise any one antenna assembly as above.
On the other hand, provide a kind of method for arranging antenna assembly, be applied to electronic equipment, this electronic equipment comprises the first signal transceiver and main circuit board, frame in the shell of this electronic equipment is structure continuous print all-metal frame, have gap between this all-metal frame and described main circuit board, described method can comprise: utilize described all-metal frame to form Department of Radiation, for coming radiation and reception antenna signal via described gap; The primary importance of described all-metal frame arranges the first feed end, for described Department of Radiation is electrically connected to described first signal transceiver; The second place of described all-metal frame arranges the first earth terminal for being connected to ground; With the second earth terminal the 3rd position of described all-metal frame arranged for being connected to ground, the 3rd position is different from described primary importance and the second place, and described primary importance is between the described second place and the 3rd position.
Described for arranging in the method for antenna assembly, can be the first section of described all-metal frame to the part of the 3rd position via primary importance from the described second place, wherein, describedly utilize described all-metal frame can comprise to the step forming Department of Radiation to utilize described first section to form described Department of Radiation.
For arranging in the method for antenna assembly, described first section can be used for the aerial signal of radiation first frequency range and the second frequency range described, and the frequency of described second frequency range can higher than described first frequency range.
Described for arranging in the method for antenna assembly, also can comprise: arrange impedance component in a first section to adjust the resonance frequency of one of described first frequency range and the second frequency range, at least one in this impedor impedance operator and its position in described first section is corresponding with the resonance frequency of described adjustment.
Described for arranging in the method for antenna assembly, also can comprise: arrange the first impedance component in a first section to adjust the frequency of described first frequency range, at least one in this first impedor impedance operator and its position in described first section is corresponding with the frequency of the first adjusted frequency range; Arrange the second impedance component in a first section to adjust the frequency of described second frequency range, at least one in this second impedor impedance operator and its position in described first section is corresponding with the frequency of the second adjusted frequency range.
Described for arranging in the method for antenna assembly, this electronic equipment also can comprise secondary signal transceiver, described all-metal frame can be the first section of this all-metal frame to the part of the 3rd position via primary importance from the described second place, the part except the first section of described all-metal frame can be its second section, describedly utilize described all-metal frame can comprise to form Department of Radiation: to utilize described first section to form the first Department of Radiation, described first Department of Radiation is used for radiation and receives the first aerial signal; The second Department of Radiation is formed with utilizing described second section, described second Department of Radiation is used for radiation and receives the second aerial signal, the frequency range of this first aerial signal is different from the frequency range of described second aerial signal, the described method for arranging antenna assembly also can be included in the second section and arrange the second feed end, and described second Department of Radiation is electrically connected to described secondary signal transceiver.
Described for arranging in the method for antenna assembly, also can comprise: in the second section of described all-metal frame, arrange the 3rd earth terminal being connected to ground, the 3rd position of earth terminal in the second section is corresponding with the frequency of described second aerial signal.
The antenna assembly according to the embodiment of the present invention, comprise this antenna assembly electronic equipment and in the technical scheme of the method that arranges antenna assembly, the desired part selecting all-metal frame by utilizing two earth terminals is as Department of Radiation and utilize the gap between Department of Radiation and main circuit board to come radiation and reception antenna signal, makes antenna can not affect the appearance design of electronic equipment and structural strength and take less space.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 be a diagram that the schematic diagram of the first exemplary antenna device according to the embodiment of the present invention;
Fig. 2 be a diagram that the schematic diagram of the second exemplary antenna device according to the embodiment of the present invention;
Fig. 3 schematically illustrates according to first of the embodiment of the present invention for arranging the flow chart of the method for antenna assembly;
Fig. 4 schematically illustrates according to second of the embodiment of the present invention for arranging the flow chart of the method for antenna assembly.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.
In an embodiment of the present invention, by arranging two earth terminals on all-metal frame, and utilize the gap between metal edge frame and main circuit board to come radiation and reception antenna signal, process can not be interrupted to the frame of electronic equipment, thus do not affect appearance design and the structural strength of electronic equipment, and do not need special space to place antenna, thus save the space hold of antenna.
Fig. 1 be a diagram that the schematic diagram of the first exemplary antenna device 100 according to the embodiment of the present invention.Any electronic equipment is can be applicable to, such as computer, personal digital assistant, mobile communication terminal, audiovisual players etc. according to the antenna assembly of the embodiment of the present invention.Hereinafter, be described for mobile communication terminal.
In existing electronic equipment, in order to increase metal-like, usually by the shell of metal (such as, copper, aluminium, alloy etc.) for electronic equipment, particularly it is for its frame.Because metal material has good hardness, thus add the structural strength of electronic equipment.As shown in Figure 1, the outermost rectangle frame in Fig. 1 is the frame in the shell of electronic equipment.Described electronic equipment can comprise main circuit board, and this main circuit board is provided with each device, such as, be provided with for receiving, the first signal transceiver of the aerial signal of transmitting antenna device.
Frame in the shell of this electronic equipment is structure continuous print all-metal frame, and the structure of described frame means do not have fracture continuously on described frame, thus this frame can strengthen the structural strength of electronic equipment and have good appearance design.The shell of electronic equipment is for the protection of each device on the main circuit board of its inside; between shell and described main circuit board, there is gap; the embodiment of the present invention utilizes the frame in shell and the existing gap between described main circuit board to come radiation and Received signal strength, thus has saved the space hold of antenna assembly 100.
Described antenna assembly 100 comprises: Department of Radiation 110, utilizes described all-metal frame to be formed, for coming radiation and reception antenna signal via described gap; First feed end 121, is positioned in the primary importance of described all-metal frame, for described Department of Radiation is electrically connected to described first signal transceiver; First earth terminal 131, is positioned in the second place of described all-metal frame, for being connected to ground; With the second earth terminal 132, be positioned on the 3rd position of described all-metal frame, for being connected to ground, the 3rd position is different from described primary importance and the second place, and described primary importance is between the described second place and the 3rd position.
Described Department of Radiation 110 utilizes described all-metal frame to be formed, for coming radiation and reception antenna signal via described gap.All-metal frame is conductor, and the main circuit board in electronic equipment has multilayer circuit wiring, it is also conductor.Therefore when when described all-metal frame transmit antenna signal, itself and described main circuit board form resonant cavity, and transfer out via the gap between all-metal frame and main circuit board.In existing electronic equipment, due to structural design etc. need make always there is conductive portion in the shell of electronic equipment, by the described conductive portion design in shell around the gap being used for radiation and Received signal strength, thus the radiation efficiency of aerial signal can be improved.
First feed end 121 is positioned in the primary importance of described all-metal frame, for described Department of Radiation is electrically connected to described first signal transceiver.When radiating antenna signal, utilize this first feed end 121, the aerial signal that the first signal transceiver produces can be sent to described Department of Radiation 110, and send via the gap between described Department of Radiation 110 and main circuit board; When reception antenna signal, the resonant cavity that Department of Radiation 110 and main circuit board are formed makes the antenna of characteristic frequency on Department of Radiation 110, be formed antenna current by resonance and is sent to described first signal transceiver and receives.
In the second place that described first earth terminal 131 and described second earth terminal 132 lay respectively at described all-metal frame and on the 3rd position, described primary importance is between the described second place and the 3rd position.Namely as shown in Figure 1, the first feed end 121 is between described first earth terminal 131 and described second earth terminal 132.Described first earth terminal 131 and described second earth terminal 132 are that the aerial signal of flowing on Department of Radiation 110 provides earth point, even if thus do not have fracture to also form signal circuit on all-metal frame.In the example of fig. 1, suppose it is the first section of described all-metal frame to the part of the 3rd position via primary importance from the described second place, then utilize described first section to define described Department of Radiation 110.In addition, the part except the first section of described all-metal frame can also be utilized as Department of Radiation, correspondingly change the position of each earth terminal and feed end.The primary importance of described first feed end 121 on all-metal frame can be set to close to any one position in the first earth terminal 131 and described second earth terminal 132.
In practice, the position of described first feed end 121, described first earth terminal 131 and described second earth terminal 132 can be set as required, select the appropriate segment of all-metal frame as Department of Radiation 110.Such as, when electronic equipment is mobile communication terminal, described Department of Radiation 110 can be selected to be not easy the end of holding at hand, thus avoid the skew holding the aerial signal caused.Particularly, described first earth terminal 131 and described second earth terminal 132 can be separately positioned on the both sides of the lower end of mobile communication terminal, the end portion of the frame of mobile communication terminal is set to Department of Radiation by this can also reduce its specific absorption ratio, thus reduces aerial radiation to the impact of human body.
In addition, a section as Department of Radiation of all-metal frame can be utilized to produce the antenna of different frequency, namely utilize a Department of Radiation to produce the aerial signal of two frequencies.Exemplarily, the above-mentioned aerial signal that can be used for radiation first frequency range and the second frequency range from the described second place via primary importance to the first section of the 3rd position, the frequency of described second frequency range is higher than described first frequency range.Particularly, as previously mentioned, Department of Radiation 110 is distributed with resonance current, the resonance signal that this resonance current is formed generally includes fundamental frequency signal, two frequency-doubled signals, frequency tripling signal etc.In the frequency of described fundamental frequency, signal has maximum intensity, and in the frequency of each frequency multiplication described, the intensity of signal also obviously can be greater than the signal in other frequency, thus can as aerial signal.Such as, when the fundamental frequency of the resonance signal utilizing Department of Radiation to produce is for 1.5GHz, the frequency of its two frequency-doubled signal is 3.0GHz, and the frequency of its frequency tripling signal is 4.5GHz, by that analogy, the intensity of the frequency-doubled signal that multiple is low is greater than the intensity of the high frequency-doubled signal of multiple usually.Can suitably select as required.Therefore, divide utilizing the first earth terminal 131 and the second earth terminal 132 out as on the section of Department of Radiation, even the aerial signal of two frequency ranges more multiband can be produced, thus utilize a Department of Radiation to realize multiband communication.Hereinafter, for the aerial signal in described first frequency range be fundamental frequency signal, aerial signal in the second frequency range is that described two frequency-doubled signals are described.
Alternatively, impedance component 140(can also be comprised as shown in phantom in fig. 1) in the antenna assembly shown in Fig. 1, for adjusting the resonance frequency of one of described first frequency range and the second frequency range, at least one in this impedor impedance operator and its position in described first section is corresponding with the resonance frequency of described adjustment.As mentioned above, the fundamental frequency signal on Department of Radiation 110 and two frequency-doubled signals are utilized can to transmit the aerial signal of 1.5GHz and 3.0GHz frequency respectively.But in existing frequency resource, the signal of 1.5GHz frequency range is used to transmit GPS(global positioning system) signal, and the signal of 3.0GHz frequency range is not prescribed and transmits as aerial signal.Therefore, described 3.0GHz frequency may not be the signal of required frequency.The signal of described 3.0GHz frequency is adjusted to required frequency range with regard to can be used for by described impedance component 140, such as, transmits WIFI signal in 2.4GHz frequency range.In addition, if needed, capacitor in parallel and inductor also such as can be utilized to be used as described impedance component 140.By arranging the position of described impedance component 140 on Department of Radiation 110 to the resonance frequency making described impedance component 140 only adjust one of described first frequency range and the second frequency range, and the resonance frequency of another frequency range is not affected.
Exemplarily, the position in the middle of described first earth terminal 131 and described second earth terminal 132 can arrange that inductor is as described impedance component 140, thus the two frequency multiplication frequencies of 3.0GHz are down to 2.4GHz to transmit WIFI signal.By adjusting at least one in this inductance value as impedor inductor and the position of inductor in described first section to obtain required resonance frequency.Alternatively, when above-mentioned create two frequency-doubled signal of the fundamental frequency signal of 1.2GHz and 2.4GHz via primary importance to the first section of the 3rd position from the described second place, capacitor can also be set in a first section and as described impedance component 140, the fundamental frequency signal of 1.2GHz be adjusted to required 1.5GHz frequency place, now, described impedance component 140 is probably twice in distance apart from the second earth terminal 132 apart from the distance of the first earth terminal 131.By adjusting at least one in this capacitance as impedor capacitor and the position of capacitor in described first section to obtain required resonance frequency.
In the technical scheme of the antenna assembly according to Fig. 1 of the embodiment of the present invention, the desired part selecting all-metal frame by utilizing two earth terminals is as Department of Radiation and utilize the gap between Department of Radiation and main circuit board to come radiation and reception antenna signal, makes antenna can not affect the appearance design of electronic equipment and structural strength and take less space.In addition, the multiband aerial signal of desired frequency can also be obtained by arranging impedance component.
Fig. 2 be a diagram that the schematic diagram of the second exemplary antenna device 200 according to the embodiment of the present invention.In fig. 2, identical Reference numeral is utilized to indicate the part identical with Fig. 1.Particularly, the first feed end 121, first earth terminal 131, second earth terminal 132 in Fig. 2 is identical with the first feed end 121, first earth terminal 131, second earth terminal 132 in Fig. 1 respectively, here no longer describe, and only describe the difference of Fig. 2 and Fig. 1.
Department of Radiation 110 is formed relative to only utilizing the first section of all-metal frame (namely from the described second place via the part of primary importance to the 3rd position) in Fig. 1, in fig. 2, the different piece of described all-metal frame is utilized to define two Departments of Radiation (111,112).Particularly, the part except the first section of described all-metal frame is called be the second section of described all-metal frame, utilize the first Department of Radiation (111) that described first section is formed, utilize the second Department of Radiation (112) that described second section is formed, described first Department of Radiation is used for radiation and receives the first aerial signal, described second Department of Radiation is used for radiation and receives the second aerial signal, and the frequency range of this first aerial signal is different from the frequency range of described second aerial signal.Namely the aerial signal that all-metal frame different piece is carried out radiation to form different Departments of Radiation and received different frequency range is utilized.Such as, the frequency range of the first aerial signal can be the gps signal frequency range of 1.5GHz, and the frequency range of this first aerial signal can be the GSM signal frequency range near 900MHz.Correspondingly, this electronic equipment also can comprise secondary signal transceiver, and described antenna assembly also can comprise the second feed end 122 for described second Department of Radiation (112) being electrically connected to described secondary signal transceiver.In addition, the second Department of Radiation 112 utilizing described second section to be formed also can arrange impedance component to adjust signal frequency.
In addition, in order to the more appropriate length part obtained in all-metal frame is used as Department of Radiation, can also arrange the 3rd earth terminal 133 and be connected to ground in the second section of described all-metal frame, the 3rd position of earth terminal 133 in the second section is corresponding with the frequency of described second aerial signal.By arranging the 3rd position of earth terminal 133 in the second section, the length of the second selected Department of Radiation can be changed, thus change the frequency of the second aerial signal of second Department of Radiation institute's radiation and reception.In fig. 2, the length of the second Department of Radiation 112 is terminate in the 3rd position of earth terminal 133 on all-metal frame via the second feed end 122 from the second position of earth terminal 132 on all-metal frame.If it should be noted that suitable, the Department of Radiation being used as other to the part of the 3rd position of earth terminal 133 on all-metal frame from the first position of earth terminal 131 on all-metal frame of the lower left side of all-metal frame can be utilized to come radiation and Received signal strength.If it should be noted that above-mentioned first section of the all-metal frame of electronic equipment and the second section just in time can be used for the frequency range of the first desired aerial signal and the frequency range of the second aerial signal, then the 3rd earth terminal 133 can not be needed.
Relative to only using in an impedance component 140, Fig. 2 the frequency adopting two impedance components to adjust the first frequency range on Department of Radiation 111 and the second frequency range respectively in a first section in Fig. 1.Particularly, described antenna assembly 200 also comprises: the first impedance component 141, for adjusting the frequency of described first frequency range, at least one in this first impedor impedance operator and its position in described first section is corresponding with the frequency of the first adjusted frequency range; Second impedance component 142, for adjusting the frequency of described second frequency range, at least one in this second impedor impedance operator and its position in described first section is corresponding with the frequency of the second adjusted frequency range.That is, two impedance components be separated are utilized to adjust the frequency of the first frequency range on Department of Radiation 111 and the second frequency range respectively.In fig. 2, the first impedance component 141 is depicted as inductor, the second impedance component 142 is depicted as capacitor, this is only example.As described in the impedance component 140 of front composition graphs 1, can need to take inductor, capacitor or the combination of the two to form each impedance component in conjunction with the adjustment of frequency.
Each impedance component in first impedance component 141 and the second impedance component 142 can act on independently, namely by adjusting at least one in this resistance value as the first impedance component 141 and its position in described first section to obtain the resonance frequency of the first required frequency range, and by adjusting at least one in this resistance value as the second impedance component 142 and its position in described first section to obtain the resonance frequency of the second required frequency range.In addition, the first impedance component 141 and the second impedance component 142 can also be made co-operatively to adjust the frequency of the first frequency range and the second frequency range.In practice, each impedor desired characteristic impedance value and suitable position can be obtained by experiment.In addition, the second Department of Radiation 112 utilizing described second section to be formed also can arrange the signal frequency that described first impedance component 141 and the second impedance component 142 adjust the second aerial signal similarly.
In the technical scheme of the antenna assembly according to Fig. 2 of the embodiment of the present invention, not only make antenna can not affect the appearance design of electronic equipment and structural strength and take less space, but also the all-metal frame of electronic equipment can be utilized more fully to obtain the aerial signal of more multiband, and described two impedance components are utilized to provide the mode adjusting resonance frequency flexibly.
The antenna assembly that composition graphs 1 and Fig. 2 describe above is applicable to any electronic equipment.Correspondingly, the electronic equipment comprising above-mentioned any antenna device is also all in open scope of the present invention.
Fig. 3 schematically illustrates according to first of the embodiment of the present invention for arranging the flow chart of the first method 300 of antenna assembly.Method 300 for arranging antenna assembly can be applicable to any electronic equipment.The type of electronic equipment does not form the restriction to the embodiment of the present invention.
Frame in the shell of this electronic equipment is structure continuous print all-metal frame, and the structure of described frame means do not have fracture continuously on described frame, thus this frame can strengthen the structural strength of electronic equipment and have good appearance design.The shell of electronic equipment is for the protection of each device on the main circuit board of its inside; between shell and described main circuit board, there is gap; the antenna assembly utilizing described method 300 to arrange utilizes the frame in shell and the existing gap between described main circuit board to come radiation and Received signal strength, thus has saved the space hold of antenna assembly.
As shown in Figure 3, the described method 300 for arranging antenna assembly can comprise: utilize described all-metal frame to form Department of Radiation, for coming radiation and reception antenna signal (S310) via described gap; The primary importance of described all-metal frame arranges the first feed end, for described Department of Radiation being electrically connected to described first signal transceiver (S320); The second place of described all-metal frame arranges the first earth terminal (S330) for being connected to ground; With the second earth terminal the 3rd position of described all-metal frame arranged for being connected to ground, the 3rd position is different from described primary importance and the second place, and described primary importance is between the described second place and the 3rd position (S340).
In S310, utilize described all-metal frame to form Department of Radiation.All-metal frame is conductor, and the main circuit board in electronic equipment has multilayer circuit wiring, it is also conductor.The part as Department of Radiation of described all-metal frame forms resonant cavity with described main circuit board, and carrys out transmit antenna signal via the gap between all-metal frame and main circuit board.Can be close with the gap being used for radiation and Received signal strength by the conductive portion design in the shell of electronic equipment, thus improve the radiation efficiency of aerial signal.
In S320, the first feed end is set in the primary importance of described all-metal frame, for described Department of Radiation is electrically connected to described first signal transceiver, thus realizes radiation and the reception of aerial signal.The primary importance of this first feed end on all-metal frame can close to any one position in the first earth terminal and described second earth terminal.
In the second place that described first earth terminal arranged in S330 and described second earth terminal arranged in S340 lay respectively at described all-metal frame and on the 3rd position, described primary importance is between the described second place and the 3rd position.Described first earth terminal and described second earth terminal are that the aerial signal that Department of Radiation flows provides earth point, even if thus do not have fracture to also form signal circuit on all-metal frame.Can be the first section of described all-metal frame to the part of the 3rd position via primary importance from the described second place, described first section can be utilized in S310 to form described Department of Radiation.In addition, by changing the position of each earth terminal and feed end, the different piece of described all-metal frame can be used in S310 neatly as Department of Radiation.When electronic equipment is mobile communication terminal, described first earth terminal and described second earth terminal can be separately positioned on the both sides of the lower end of mobile communication terminal, the end portion of the frame of mobile communication terminal is set to Department of Radiation by this can reduce the impact of aerial radiation on human body, and avoids the skew holding the aerial signal caused.
In addition, the section as Department of Radiation of all-metal frame can be utilized to produce the antenna of different frequency, even namely utilize a Department of Radiation to produce two more multifrequency aerial signals.Exemplarily, the above-mentioned aerial signal that can be used for radiation first frequency range and the second frequency range from the described second place via primary importance to the first section of the 3rd position, the frequency of described second frequency range is higher than described first frequency range.As previously mentioned, Department of Radiation is distributed with resonance current, the resonance signal that this resonance current is formed generally includes fundamental frequency signal, two frequency-doubled signals, frequency tripling signal etc.Therefore, utilize the first earth terminal and the second earth terminal and divide out as on the section of Department of Radiation, even the aerial signal of two frequency ranges more multiband can be produced, thus utilize a Department of Radiation to realize multiband communication.
Alternatively, as shown by the dotted line in fig. 3, can also comprise in method 300: impedance component is set in a first section to adjust the resonance frequency of one of described first frequency range and the second frequency range, at least one corresponding with the resonance frequency of described adjustment (S350) in this impedor impedance operator and its position in described first section.Fundamental frequency signal and frequency-doubled signal are strict multiple proportion, and then the utilization of existing frequency resource carries out according to various regulation, do not have strict multiple proportion between different frequency range.Therefore, when fundamental frequency signal and frequency-doubled signal are used for communicating, even need to adjust one of them the two.Impedance component set by this S350 just can be used for any one in fundamental frequency signal and frequency-doubled signal to adjust to required frequency range.This impedance component can be capacitor, inductor or the combination of the two.By arranging the position of described impedance component on Department of Radiation to the resonance frequency making described impedance component only adjust one of described first frequency range and the second frequency range, and the resonance frequency of another frequency range is not affected.
In the technical scheme of the method for arranging antenna assembly according to Fig. 3 of the embodiment of the present invention, the desired part selecting all-metal frame by utilizing two earth terminals is as Department of Radiation and utilize the gap between Department of Radiation and main circuit board to come radiation and reception antenna signal, makes antenna can not affect the appearance design of electronic equipment and structural strength and take less space.In addition, the multiband aerial signal of desired frequency can also be obtained by arranging impedance component.
Fig. 4 schematically illustrates according to second of the embodiment of the present invention for arranging the flow chart of the method 400 of antenna assembly.S320, S330, S340 in Fig. 4 are identical with S320, S330, S340 in Fig. 3 respectively, no longer describe here, and only describe the difference of Fig. 4 and Fig. 3.Particularly, in the diagram, instead of the S310 in Fig. 3 with S311 and S312 and add S360 in the diagram; The S350 in Fig. 3 is instead of with S351 and S352; And increase S370 in the diagram.It should be noted that it is one or more to take in each difference as required.
S310 in alternate figures 3, in the diagram, utilize the first section of described all-metal frame (from the described second place via the part of primary importance to the 3rd position) to form the first Department of Radiation, described first Department of Radiation is used for radiation and receives the first aerial signal (S311); The second Department of Radiation is formed with utilizing the part (i.e. the second section) except the first section of described all-metal frame, described second Department of Radiation is used for radiation and receives the second aerial signal, and the frequency range of this first aerial signal is different from the frequency range (S312) of described second aerial signal.With the second Department of Radiation formed in S312 accordingly, the second feed end is set in the second section, described second Department of Radiation is electrically connected to the secondary signal transceiver (S360) in electronic equipment.That is, the different piece of described all-metal frame is utilized to define two Departments of Radiation.In addition, each formed Department of Radiation can be arranged as S350 impedance component to adjust signal frequency.
In addition, in order to the more appropriate length part obtained in all-metal frame is used as Department of Radiation, Fig. 4 for antenna assembly is set method 400 in can also comprise: the 3rd earth terminal being connected to ground is set in the second section of described all-metal frame, the 3rd position of earth terminal in the second section corresponding with the frequency of described second aerial signal (S370).By arranging the 3rd position of earth terminal in the second section, the length of the second selected Department of Radiation can be changed, thus change the frequency of the second aerial signal of second Department of Radiation institute's radiation and reception.If it should be noted that above-mentioned first section of the all-metal frame of electronic equipment and the second section just in time can be used for the frequency range of the first desired aerial signal and the frequency range of the second aerial signal, then the 3rd earth terminal can not be needed.
S350 in alternate figures 3, comprising for the method 400 arranging antenna assembly at Fig. 4: the first impedance component is set in a first section to adjust the frequency of described first frequency range, at least one corresponding with the frequency of the first adjusted frequency range (S351) in this first impedor impedance operator and its position in described first section; Second impedance component is set in a first section to adjust the frequency of described second frequency range, at least one corresponding with the frequency of the second adjusted frequency range (S352) in this second impedor impedance operator and its position in described first section.That is, two impedance components be separated are utilized to adjust the frequency of the first frequency range on the first Department of Radiation and the second frequency range respectively.Inductor, capacitor or the combination of the two can be taked to form each impedance component.Each impedance component in first impedance component and the second impedance component can act on independently, and the first impedance component and the second impedance component can also be made co-operatively to adjust the frequency of the first frequency range and the second frequency range.Each impedor desired characteristic impedance value and suitable position can be obtained by experiment.In addition, the second Department of Radiation utilizing described second section to be formed also can arrange the signal frequency that described first impedance component and the second impedance component adjust the second aerial signal similarly.
According to the embodiment of the present invention for arranging in the technical scheme of method 400 of antenna assembly, not only make antenna can not affect the appearance design of electronic equipment and structural strength and take less space, but also the all-metal frame of electronic equipment can be utilized more fully to obtain the aerial signal of more multiband, and described two impedance components are utilized to provide the mode adjusting resonance frequency flexibly.
Those skilled in the art can be well understood to, for convenience and simplicity of description, foregoing description for antenna assembly is set method in the concrete operations of involved step and set antenna assembly, with reference to the diagram in aforementioned means embodiment and operation, can not repeat them here.In addition, the part steps in said method embodiment can reconfigure, or can execution sequence before changing section step.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (15)
1. an antenna assembly, be applied to electronic equipment, this electronic equipment comprises the first signal transceiver and main circuit board, and the frame in the shell of this electronic equipment is structure continuous print all-metal frame, have gap between this all-metal frame and described main circuit board, described antenna assembly comprises:
Department of Radiation, utilizes described all-metal frame to be formed, for coming radiation and reception antenna signal via described gap;
First feed end, is positioned in the primary importance of described all-metal frame, for described Department of Radiation is electrically connected to described first signal transceiver;
First earth terminal, is positioned in the second place of described all-metal frame, for being connected to ground; With
Second earth terminal, is positioned on the 3rd position of described all-metal frame, and for being connected to ground, the 3rd position is different from described primary importance and the second place, and described primary importance is between the described second place and the 3rd position.
2. antenna assembly according to claim 1 wherein, is the first section of described all-metal frame to the part of the 3rd position via primary importance from the described second place,
Wherein, described Department of Radiation utilizes described first section to be formed.
3. antenna assembly according to claim 2, wherein, described first section is used for the aerial signal of radiation first frequency range and the second frequency range, and the frequency of described second frequency range is higher than described first frequency range.
4. antenna assembly according to claim 3, also comprises:
Impedance component, for adjusting the resonance frequency of one of described first frequency range and the second frequency range, at least one in this impedor impedance operator and its position in described first section is corresponding with the resonance frequency of described adjustment.
5. antenna assembly according to claim 3, also comprises:
First impedance component, for adjusting the frequency of described first frequency range, at least one in this first impedor impedance operator and its position in described first section is corresponding with the frequency of the first adjusted frequency range;
Second impedance component, for adjusting the frequency of described second frequency range, at least one in this second impedor impedance operator and its position in described first section is corresponding with the frequency of the second adjusted frequency range.
6. antenna assembly according to claim 1, wherein, this electronic equipment also comprises secondary signal transceiver,
Described all-metal frame be the first section of this all-metal frame to the part of the 3rd position via primary importance from the described second place, the part except the first section of described all-metal frame is its second section,
Described Department of Radiation comprises the first Department of Radiation utilizing described first section to be formed and the second Department of Radiation utilizing described second section to be formed, described first Department of Radiation is used for radiation and receives the first aerial signal, described second Department of Radiation is used for radiation and receives the second aerial signal, the frequency range of this first aerial signal is different from the frequency range of described second aerial signal
Described antenna assembly also comprises the second feed end for described second Department of Radiation being electrically connected to described secondary signal transceiver.
7. antenna assembly according to claim 6, also comprises:
3rd earth terminal, is arranged in the second section of described all-metal frame, and for being connected to ground, the 3rd position of earth terminal in the second section is corresponding with the frequency of described second aerial signal.
8. an electronic equipment, comprises the antenna assembly according to any one of claim 1-7.
9. one kind for arranging the method for antenna assembly, be applied to electronic equipment, this electronic equipment comprises the first signal transceiver and main circuit board, frame in the shell of this electronic equipment is structure continuous print all-metal frame, have gap between this all-metal frame and described main circuit board, described method comprises:
Utilize described all-metal frame to form Department of Radiation, for coming radiation and reception antenna signal via described gap;
The primary importance of described all-metal frame arranges the first feed end, for described Department of Radiation is electrically connected to described first signal transceiver;
The second place of described all-metal frame arranges the first earth terminal for being connected to ground; With
3rd position of described all-metal frame is arranged the second earth terminal for being connected to ground, the 3rd position is different from described primary importance and the second place, and described primary importance is between the described second place and the 3rd position.
10. method according to claim 9 wherein, is the first section of described all-metal frame to the part of the 3rd position via primary importance from the described second place,
Wherein, describedly utilize described all-metal frame to comprise to the step forming Department of Radiation to utilize described first section to form described Department of Radiation.
11. methods according to claim 10, wherein, described first section is used for the aerial signal of radiation first frequency range and the second frequency range, and the frequency of described second frequency range is higher than described first frequency range.
12. methods according to claim 11, also comprise:
Arrange impedance component in a first section to adjust the resonance frequency of one of described first frequency range and the second frequency range, at least one in this impedor impedance operator and its position in described first section is corresponding with the resonance frequency of described adjustment.
13. methods according to claim 11, also comprise:
Arrange the first impedance component in a first section to adjust the frequency of described first frequency range, at least one in this first impedor impedance operator and its position in described first section is corresponding with the frequency of the first adjusted frequency range;
Arrange the second impedance component in a first section to adjust the frequency of described second frequency range, at least one in this second impedor impedance operator and its position in described first section is corresponding with the frequency of the second adjusted frequency range.
14. methods according to claim 9, wherein, this electronic equipment also comprises secondary signal transceiver,
Described all-metal frame be the first section of this all-metal frame to the part of the 3rd position via primary importance from the described second place, the part except the first section of described all-metal frame is its second section,
Describedly described all-metal frame is utilized to comprise to form Department of Radiation:
Utilize described first section to form the first Department of Radiation, described first Department of Radiation is used for radiation and receives the first aerial signal; With
Utilize described second section to form the second Department of Radiation, described second Department of Radiation is used for radiation and receives the second aerial signal, and the frequency range of this first aerial signal is different from the frequency range of described second aerial signal,
Described method also comprises: in the second section, arrange the second feed end, and described second Department of Radiation is electrically connected to described secondary signal transceiver.
15. methods according to claim 14, also comprise:
In the second section of described all-metal frame, arrange the 3rd earth terminal being connected to ground, the 3rd position of earth terminal in the second section is corresponding with the frequency of described second aerial signal.
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