CN200969391Y - Three-frequency concealed antenna - Google Patents

Three-frequency concealed antenna Download PDF

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Publication number
CN200969391Y
CN200969391Y CN 200620067845 CN200620067845U CN200969391Y CN 200969391 Y CN200969391 Y CN 200969391Y CN 200620067845 CN200620067845 CN 200620067845 CN 200620067845 U CN200620067845 U CN 200620067845U CN 200969391 Y CN200969391 Y CN 200969391Y
Authority
CN
China
Prior art keywords
groove
frequency
antenna
branch
horizontal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620067845
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Chinese (zh)
Inventor
苏嘉宏
陈鸿仁
施凯
吴裕源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry Co Ltd
Original Assignee
Foxlink Electronics Dongguan Co Ltd
Cheng Uei Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foxlink Electronics Dongguan Co Ltd, Cheng Uei Precision Industry Co Ltd filed Critical Foxlink Electronics Dongguan Co Ltd
Priority to CN 200620067845 priority Critical patent/CN200969391Y/en
Application granted granted Critical
Publication of CN200969391Y publication Critical patent/CN200969391Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a three-frequency hidden antenna including an antenna body, a first groove, a second groove and a rectangular groove are arranged on the antenna body, the lateral sides of the first groove and the second groove form a first branch and a second branch respectively, and the length of two grooves are almost equal, and the feed-in point is arranged on the first branch, the grounding point is arranged on the second branch. The utility model receives the electromagnetic wave signal by the antenna body, due to the equal length of two grooves; the resonance matching is formed by the first groove and the second groove reciprocally, thus the two grooves resonance occurs while receiving the electromagnetic wave. The utility model three-frequency hidden antenna can transfer and receive high frequency electromagnetic wave with extending frequency band range, and the yield value is increased, two high frequency electromagnetic waves with different frequency band range can be transferred and received, thus the utility model has ability to transfer and receive three-frequency electromagnetic wave.

Description

Three frequency concealed antennas
Affiliated technical field
The utility model relates to a kind of antenna, relates in particular to a kind of moulding or is assembled in the concealed antenna frequently of three on the printed circuit board (PCB).
Background technology
Along with developing rapidly of current mobile communication technology, the use of mobile phone is universal further, the design of mobile phone day by day requires frivolous exquisiteness, and therefore, the antenna structure of mobile phone is by exposing to the outer helical antenna of mobile phone and develop and a kind of concealed antenna that is hidden in mobile phone inside in the past.
The concealed antenna that prior art provides mostly is to be offered groove and forms single-band antenna or dual-band antenna on metallic plate.But this existing concealed antenna takes up room suitable with the metallic plate volume of this antenna of moulding in consumer electronics products such as mobile phone, does not meet consumption electronic products such as having mobile phone now fully and pursues the thin design concept of light little weak point.The communication system electromagnetic wave signal in existing mobile communication field comprises GSM900, DCS1800 and PCS1900.Yet, existing single-band antenna is applicable to the electromagnetic wave signal of GSM900 communication system more, dual-band antenna is applicable to the electromagnetic wave signal of GSM900 and DCS1800 communication system, can't be applicable to simultaneously that electromagnetic wave signal is the communication system of PCS1900, therefore existing antenna can not satisfy the development need of current phone in three restrictions of communication frequency deficiency frequently.Simultaneously, existing antenna gain is worth the distant signal transmission of less inapplicable mobile phone and receives.
The utility model content
The utility model purpose is the defective at above-mentioned prior art, a kind of three frequency concealed antennas are provided, can take the space approximately at consumption electronic products internal segments such as mobile phones, but and extended antenna communication frequency to the three frequencies, when its moulding or when being assembled on the printed circuit board (PCB) plate in the consumption electronic products such as mobile phone, make and the frequency band range broadening of mobile phone receiving and transmitting signal can be applicable to the signal transmitting and receiving of farther distance so that the yield value of mobile phone increases simultaneously.
The utility model three concealed antenna frequently comprises antenna body, on antenna body, be formed with first groove, second groove and a rectangle groove, first groove and second groove outside form first branch and second branch respectively, and in first branch, be provided with load point, then be provided with earth point in second branch, and the path of two grooves is also slightly equal, and rectangle groove is arranged at the antenna body approximate mid-section.One extends into a metallic interconnect outside second branch or the first branch lateral, in order to supply the deficiency of antenna performance and area.
As mentioned above, when the utility model is assembled on the printed circuit board (PCB), interval one antenna loading plate between the utility model and the printed circuit board (PCB), electromagnetic signal between this antenna loading plate maskable the utility model and the printed circuit board (PCB) is disturbed, the antenna loading plate forms Openworks shape downwards, and then can arrange more other assembly on printed circuit board (PCB).And the utility model three concealed antenna frequently is to receive and dispatch low-frequency electromagnetic wave signal (GSM900) by antenna body, two grooves on the utility model, offering, wherein first groove is in order to transmitting-receiving high frequency electromagnetic wave signal (DCS1800), because the path of two grooves summary etc., make second groove and first groove can form the resonance coupling mutually, thereby make two grooves when the transmitting-receiving electromagnetic wave, resonate, make the frequency band range broadening of the frequency electromagnetic waves that antenna can be received and dispatched, yield value increases, and can receive and dispatch the frequency electromagnetic waves (DCS1800 of two different frequency ranges, PCS1900), thus make the utility model three frequently concealed antennas possess the ability of transmitting-receiving three frequency electromagnetic waves signals.
Description of drawings
In Figure of description:
Fig. 1 is the utility model three schematic diagram of concealed antenna frequently;
Fig. 2 is that the utility model three frequency concealed antennas are assembled in the schematic perspective view on the printed circuit board (PCB).
The description of reference numerals of each element is as follows among the figure:
Three frequency concealed antennas, 100 antenna bodies 10
First groove, 20 vertical left grooves 21
Horizontal left groove 22 vertical left inside grooves 23
Horizontal upper left groove 24 first branches 30
Load point 31 rectangle short slots 40
Second groove, 50 vertical right grooves 51
Horizontal right groove 52 vertical right inside grooves 53
Horizontal upper right groove 54 second branches 60
Earth point 61 metallic interconnects 70
Printed circuit board (PCB) 80 antenna loading plates 90
Upper surface 91 sides 92
Embodiment
By describing technology contents of the present invention, architectural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1, the utility model three frequency concealed antennas 100 can adopt the rectangular metal plate of horizontal expansion to make or print to make on printed circuit board (PCB) and form.This three frequencies concealed antenna 100 is to make with rectangular metal plate in the present embodiment, and wherein, this three frequencies concealed antenna 100 comprises antenna body 10 and metallic interconnect 70.Antenna body 10 left sides are formed with first groove 20 and the right side forms second groove 50, in antenna body 10, offer formation rectangle short slot 40 in antenna body 10 lower surfaces, first groove 20 and second groove, 50 outsides form first branch 30 and second branch 60, metallic interconnect 70 one stretch out in second branch, 60 right sides, and in first branch 30, be provided with load point 31, then be provided with earth point 61 in second branch 60, and the path of first groove 20 and second groove 50 about equally.
First groove 20 is a slot antenna, comprise the horizontal left groove 22 that is positioned at three concealed antenna bottoms, 100 left side and horizontal expansions frequently, certainly the vertical left groove 21 that extends straight up of this horizontal left groove 22 left ends, the vertical left inside groove 23 that extends straight up of this horizontal left groove 22 right-hand members reaches the horizontal upper left groove 24 that oneself these vertical left inside groove 23 upper end levels form to the right certainly.Vertical left groove 21 is vertical setting, and its upper end is concordant with the upper surface of antenna body 10, and vertical left groove 21 lower ends are communicated with horizontal left groove 22 left ends.Horizontal left groove 22 horizontally sets, its right-hand member is communicated with vertical left inside groove 23 lower ends.Vertical left inside groove 23 is parallel to vertical left groove 21, the left end open communication of the horizontal upper left groove 24 of its upper end and horizontally set.Horizontal upper left groove 24 is and is horizontally disposed with, its left end sealing.And vertical left groove 21 has an end opening and is in communication with the outside, and promptly first groove 20 is the slot antenna of an end opening.The length sum of the length of the length of the length of vertical left groove 21, horizontal left groove 22, vertical left inside groove 23 and horizontal upper left groove 24 is substantially equal to the frequency electromagnetic waves quarter-wave, thereby receives and dispatches high frequency communication electromagnetic wave signal with the high-frequency electromagnetic wave resonance.
First branch 30 one roughly is the rectangular metal strip of vertical setting, it is positioned at vertical left groove 21 outsides of first groove 20, these first branch, 30 upper ends are free end and flush with antenna body 10 upper ends, be provided with load point 31 in first branch, 30 upper ends, this load point 31 can be communicated with the signal feed-in source on the mobile phone internal printed circuit board, and in order to transmit wireless signal.
Second groove 50 also is a slot antenna, with first groove 20 symmetry and be arranged at the right side of antenna body 10, comprise the horizontal right groove 52 that is positioned at three concealed antenna 100 lower right side and horizontal expansions frequently, the horizontal upper right groove 54 that extends of the vertical right groove 51 that extends straight up of this horizontal right groove 52 right-hand members, the vertical right inside groove 53 that extends straight up from horizontal right groove 52 left ends and oneself these vertical right inside groove 53 upper end levels certainly to the right.Vertical right groove 51 is vertical setting, and its upper end open flushes with the top edge of three frequency concealed antennas 100, and its lower end is communicated with the right-hand member of horizontal right groove 52.Horizontal right groove 52 horizontally sets, its left end is communicated with vertical right inside groove 53 lower ends.Vertical right inside groove 53 be arranged in parallel with vertical right groove 51, and its upper end is communicated with horizontal upper right groove 54.And vertical right groove 51 has an end opening and is in communication with the outside, and promptly second groove 50 is the slot antenna of an end opening.
Second branch 60 one roughly is the rectangular metal strip of vertical setting, it is positioned at second groove, 50 outsides, these second branch, 60 upper ends are free end and flush with antenna body 10 upper ends, be provided with earth point 61 in second branch, 60 upper ends, this earth point 61 can be communicated with the earth terminal on the mobile phone internal printed circuit board, or with mobile phone in be connected as the metallic plate of earth terminal.
Rectangle short slot 40 is formed at end face under the antenna body 10, and shape in the form of a substantially rectangular.This rectangle short slot 40 lays respectively at the lower left of first groove 20 and the lower right of second groove 50.
Antenna body 10 is to offer first groove 20 and second groove 50 on rectangular metal plate, and offers in antenna body 10 in antenna body 10 lower surfaces and to form rectangle short slot 40 and form.By first groove 20 and second groove 50 that first branch 30 and second branch 60 is spaced apart from the antenna body 10 respectively.The electrical length of antenna body 10 is low-frequency electromagnetic wave 1/2nd wavelength, thereby receives and dispatches the low frequency communication electromagnetic wave signal with the low frequency electromagnetic wave resonance.
Metallic interconnect 70 is that outside one extension forms in the outer, right side of second branch 60, and wherein metallic interconnect 70 is tabular in the form of a substantially rectangular.
See also Fig. 2, the utility model three concealed antenna 100 frequently is carried on the antenna loading plate 90, the utility model three concealed antenna 100 frequently is fixed on the printed circuit board (PCB) 80 as one with antenna loading plate 90, wherein antenna loading plate 90 is an insulation material, and the electromagnetic signal between these antenna loading plate 90 maskable the utility model and the printed circuit board (PCB) 80 is disturbed.Antenna body 10 is arranged at the upper surface 91 of antenna loading plate 90, metallic interconnect 70 bending downwards and be close to the side 92 of antenna loading plate 90.Three frequently the load point 31 of concealed antennas 100 be connected with the transmission signal with signal feed-in source on the printed circuit board (PCB) 80, earth point 61 is connected with earth terminal on the printed circuit board (PCB) 80.Wherein the left and right sides both ends of the surface of antenna body 10 are concordant with upper surface 91 two ends, and the upper surface of antenna body 10 is concordant with upper surface 91 upper ends.Antenna loading plate 90 forms Openworks shapes downwards, thereby makes on the printed circuit board (PCB) 80 in many relatively other assemblies of rectangle short slot 40 arranged beneath.
When the utility model three frequency concealed antennas 100 are used for communication, first groove 20 is received and dispatched the electromagnetic wave signal of DCS1800 communication system with the high-frequency electromagnetic wave resonance, and mate with 20 resonance of first groove during at first groove 20 transmitting-receiving electromagnetic wave signals when second groove 50, make the utility model can receive and dispatch the high frequency band scope broadening of electromagnetic wave signal, yield value increase, thereby can receive and dispatch the frequency electromagnetic waves (DCS1800, PCS1900) of two different frequency ranges.The metallic interconnect 70 that one extends into outside second branch, 60 laterals is in order to supply the deficiency of antenna performance and area.
In sum, the utility model three concealed antenna frequently is to receive and dispatch the low-frequency electromagnetic wave signal by antenna body 10, two grooves on the utility model, offering, wherein first groove 20 is in order to the electromagnetic wave signal of transmitting-receiving DCS1800 communication system, when first groove 20 and the 50 formation resonance of second groove, thereby make two grooves when the transmitting-receiving electromagnetic wave, resonate, the broadening of electromagnetic high frequency band scope, the yield value that make the utility model to receive and dispatch increase, and then can receive and dispatch the frequency electromagnetic waves (DCS1800, PCS1900) of two different frequency ranges.Antenna body of the present utility model 10 upper surfaces, first branch 30 and second branch 60 all outwards one extend or an external metallic interconnect 70, in order to supply the deficiency of antenna performance and area.Be assembled on the printed circuit board (PCB) 80 with antenna loading plate 90 at interval between the utility model and printed circuit board (PCB) 80, antenna loading plate 90 forms Openworks shape downwards, and then can arrange more other assembly on printed circuit board (PCB) 80.Therefore make the utility model only take little space when being assembled on the printed circuit board (PCB) 80, and concealed antenna is simple in structure frequently for the utility model three, can adopt on metallic plate or the flexible circuit board one-body moldedly, be convenient to make, ease of assembly is in electronic product inside such as mobile phones simultaneously.

Claims (8)

1. concealed antenna frequently, moulding or be assembled on the printed circuit board (PCB) comprises: antenna body and metallic interconnect, on antenna body, be formed with first groove and second groove, forming first branch and second branch, and the summary of the path of two grooves etc.; It is characterized in that:
Thereby antenna body and low-frequency electromagnetic wave phase resonance transmitting-receiving low-frequency electromagnetic wave signal;
First groove is a slot antenna, comprise the horizontal left groove that is positioned at three frequency concealed antenna bottoms, left side and horizontal expansion, the vertical left groove that extends straight up from this horizontal left groove left end, from vertical left inside groove that this horizontal left groove right-hand member extends straight up and the horizontal upper left groove that on this vertical left inside groove, forms to the right, vertical left groove upper end is that an openend is in communication with the outside, its lower end is communicated with horizontal left groove left end, horizontal left groove right-hand member is communicated with vertical left inside groove lower end, vertical left inside groove upper end is communicated with horizontal upper left groove left end, first groove and high-frequency electromagnetic wave resonance and receive and dispatch high frequency electromagnetic wave signal;
First branch is positioned at first groove outside, and its top is a free end, and this first branch top flushes with the antenna body upper end, and load point promptly is arranged on vertical left branch;
Second groove is a slot antenna, with first groove symmetry and be arranged at the three antenna body right sides of concealed antennas frequently, comprise the horizontal right groove that is positioned at antenna body lower right side and horizontal expansion, the vertical right groove that extends straight up from this horizontal right groove right-hand member, from vertical right inside groove that horizontal right groove left end extends straight up and the horizontal upper right groove that level is extended to the right on this vertical right inside groove, vertical right groove upper end is that an openend is in communication with the outside, its lower end is communicated with horizontal right groove right-hand member, horizontal right groove left end is communicated with vertical right inside groove lower end, vertical right inside groove upper end is communicated with horizontal upper right groove left end left, vertical right groove flushes with the top edge of three frequency concealed antennas, and second groove can be reached the resonance coupling in use with first groove;
Second branch is positioned at second groove outside, and its top is a free end, and this second branch top flushes with the antenna body upper end, and earth point is arranged in second branch; And
The rectangle short slot is formed on the antenna body, and this rectangle short slot is positioned at the first groove lower left and is positioned at the second groove lower right.
2. three frequency concealed antennas according to claim 1, it is characterized in that: second branch of described antenna body laterally stretches out into metallic interconnect, and this metallic interconnect is rectangular tabular.
3. three frequency concealed antennas according to claim 1, it is characterized in that: described three frequency concealed antennas are carried on the antenna loading plate, this three frequency concealed antenna and antenna loading plate are assembled on the printed circuit board (PCB) as one, this antenna loading plate is the insulation material, and three frequently the load point of concealed antennas and earth point are connected with signal feed-in source and earth terminal on the printed circuit board (PCB) respectively.
4. three frequency concealed antennas according to claim 1, it is characterized in that: the electrical length of described antenna body is low-frequency electromagnetic wave 1/2nd wavelength.
5. three frequency concealed antennas according to claim 1, it is characterized in that: described low-frequency electromagnetic wave is the electromagnetic wave signal of GSM900 communication system.
6. three frequency concealed antennas according to claim 1, it is characterized in that: the length of described first groove is the frequency electromagnetic waves quarter-wave.
7. three frequency concealed antennas according to claim 1, it is characterized in that: described frequency electromagnetic waves is the electromagnetic wave signal of DCS1800 and PCS1900 communication system.
8. three frequency concealed antennas according to claim 1, it is characterized in that: described antenna body is to offer first groove and second groove and form on rectangular metal plate, first groove, second groove are spaced apart from the antenna body with first branch and second branch, and antenna body one side direction is externally connected with a metallic interconnect.
CN 200620067845 2006-11-14 2006-11-14 Three-frequency concealed antenna Expired - Fee Related CN200969391Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620067845 CN200969391Y (en) 2006-11-14 2006-11-14 Three-frequency concealed antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620067845 CN200969391Y (en) 2006-11-14 2006-11-14 Three-frequency concealed antenna

Publications (1)

Publication Number Publication Date
CN200969391Y true CN200969391Y (en) 2007-10-31

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ID=38968968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620067845 Expired - Fee Related CN200969391Y (en) 2006-11-14 2006-11-14 Three-frequency concealed antenna

Country Status (1)

Country Link
CN (1) CN200969391Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102158243A (en) * 2010-02-12 2011-08-17 智易科技股份有限公司 Wireless network receiver
CN102271171A (en) * 2010-06-02 2011-12-07 上海德门电子科技有限公司 Mobile phone antenna communication system with harmonic suppression
US8599088B2 (en) 2007-12-18 2013-12-03 Apple Inc. Dual-band antenna with angled slot for portable electronic devices
US9112274B2 (en) 2010-02-09 2015-08-18 Arcadyan Technology Corporation Wireless network receiver
CN105281019A (en) * 2014-07-04 2016-01-27 上海高晟腾科技有限公司 Gap antenna and working method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8599088B2 (en) 2007-12-18 2013-12-03 Apple Inc. Dual-band antenna with angled slot for portable electronic devices
CN101897079B (en) * 2007-12-18 2014-04-23 苹果公司 Dual-band antenna with angled slot for portable electronic devices
US9112274B2 (en) 2010-02-09 2015-08-18 Arcadyan Technology Corporation Wireless network receiver
CN102158243A (en) * 2010-02-12 2011-08-17 智易科技股份有限公司 Wireless network receiver
CN102271171A (en) * 2010-06-02 2011-12-07 上海德门电子科技有限公司 Mobile phone antenna communication system with harmonic suppression
CN105281019A (en) * 2014-07-04 2016-01-27 上海高晟腾科技有限公司 Gap antenna and working method thereof
CN105281019B (en) * 2014-07-04 2019-05-24 夏凡 Slot antenna and its working method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071031

Termination date: 20131114