CN201766161U - Digital TV antenna - Google Patents

Digital TV antenna Download PDF

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Publication number
CN201766161U
CN201766161U CN2010202743504U CN201020274350U CN201766161U CN 201766161 U CN201766161 U CN 201766161U CN 2010202743504 U CN2010202743504 U CN 2010202743504U CN 201020274350 U CN201020274350 U CN 201020274350U CN 201766161 U CN201766161 U CN 201766161U
Authority
CN
China
Prior art keywords
digital
antenna
circuit board
metalwork
metal part
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
CN2010202743504U
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Chinese (zh)
Inventor
陈彦佑
陈弦义
苏国英
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.)
YUANGANG SCIENCE AND TECHNOLOGY Co Ltd
Original Assignee
YUANGANG SCIENCE AND TECHNOLOGY 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 YUANGANG SCIENCE AND TECHNOLOGY Co Ltd filed Critical YUANGANG SCIENCE AND TECHNOLOGY Co Ltd
Priority to CN2010202743504U priority Critical patent/CN201766161U/en
Application granted granted Critical
Publication of CN201766161U publication Critical patent/CN201766161U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a digital TV antenna comprising a circuit board, a signal feed-in metal piece, a grounding metal piece and an extending metal piece, wherein the signal feed-in metal piece is formed on the circuit board and provided with a signal feed-in point and a metal body; the metal body takes the shape of a long strip; the grounding metal piece is formed on the circuit board and provided with a grounding point and an opening; the grounding point is at one end of the grounding metal piece and used for being electrically connected to a grounding surface; the grounding metal piece is conformal with and electrically insulated from the signal feed-in metal piece by a slit formed; the extending metal piece comprises a relatively long metal part, a relatively short metal part and a fastener; one end of the relatively short metal part is connected with the relatively long metal part; and the fastener is connected with the other end of the relatively short metal part and fastened in an opening of the grounding metal piece.

Description

Digital TV antenna
Technical field
The utility model relates to a kind of digital TV antenna, particularly relates to the digital TV antenna of a kind of suitable configuration in electronic installation inside.
Background technology
Along with the progress of science and technology, the main battle ground of mechanics of communication is transferred to wireless mechanics of communication from wired mechanics of communication gradually.And on the transmission media of signal, being changed over the air by tangible in the past metallic circuit (as coaxial cable) is the wireless telecommunications of propagation medium, and the door of electromagnetic wave signal turnover wireless telecommunications system is an antenna.
Because the operation frequency range of Digital Television arrives 870MHz between 470MHz, according to general antenna physical size can't be built in mostly running gear, handheld apparatus very the person be the mobile computer enclosure, thereby produced all problems, for example antenna is subject to external force and damages, increases the added burden of line design and be unfavorable for carrying or the like.Therefore the antenna of traditional circumscribed can more and more be not suitable for being used in the middle of the application of wireless telecommunications in the future.
Hence one can see that, and the real interior digital television receiver antenna design of shell that need a kind ofly can be hidden in the action product is to promote the convenience of wireless mobile.
The utility model content
Therefore, the purpose of this utility model is to provide a kind of in order to being disposed at the digital television receiver antenna structure in the electronic installation, thus receiving digital television signal.
The utility model proposes a kind of digital TV antenna on the one hand, and it comprises a circuit board, a signal feed-in metalwork, a grounded metal spare and an extension metalwork.Signal feed-in metalwork is formed on the circuit board, and has a signal feed-in point and a metal body, and metal body presents a strip.Grounded metal spare, be formed on the circuit board, and have an earth point and an opening, earth point is positioned at an end of grounded metal spare, in order to be electrically connected to a ground plane, opening is positioned at the other end of grounded metal spare and runs through circuit board, and wherein grounded metal spare is conformal in signal feed-in metalwork, and forms a slit and make each other and be electrically insulated.Extend metalwork and comprise a short relatively metal part of a long relatively metal part, one and a buckle.One end of short relatively metal part connects long relatively metal part.Buckle connects the other end of short relatively metal part, in the opening that is buckled in grounded metal spare.
According to the utility model one embodiment, wherein signal feed-in point is in order to receiving the Digital Television frequency range of 470MHz to 870MHz, and the entire length size of digital TV antenna for example is about the quarter-wave of its centre frequency.
According to the utility model one embodiment, wherein grounded metal spare has at least one recessed folding part.
According to the utility model one embodiment, wherein short relatively metal part and long relatively metal part can be copline or non-copline.
According to the utility model one embodiment, wherein extend metalwork and have a L shaped outward appearance.
According to the utility model one embodiment, wherein extend not copline of metalwork and circuit board, and long relatively metal part, signal feed-in metalwork and grounded metal spare all are positioned at the same side of circuit board, or signal feed-in metalwork and grounded metal spare are positioned at the not homonymy of circuit board.
According to the utility model one embodiment, wherein signal feed-in metalwork and grounded metal spare lay respectively at the both sides of circuit board.
According to the utility model one embodiment, wherein buckle forms one first angle with relative short metal part, and first angular range be 135 degree to 180 degree, and circuit board forms one second angle with relative short metal part, and second angular range to be 45 degree spend to 90.
Description of drawings
For above-mentioned and other purpose of the present utility model, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:
Fig. 1 illustrates the stereogram according to a kind of digital TV antenna of the utility model one embodiment;
Fig. 2 illustrates the stereogram according to a kind of digital TV antenna of another embodiment of the utility model;
Fig. 3 A illustrates the stereogram of an extension metalwork that is illustrated according to the utility model one embodiment;
Fig. 3 B illustrates the end view of the extension metalwork among Fig. 3 A;
Fig. 3 C illustrates the stereogram of an extension metalwork that is illustrated according to the utility model one embodiment;
Fig. 3 D illustrates the end view of the extension metalwork among Fig. 3 C;
Fig. 4 A illustrates the stereogram according to the digital TV antenna of the utility model one embodiment;
Fig. 4 B illustrates first end view of the digital TV antenna of Fig. 4 A;
Fig. 4 C illustrates second end view of the digital TV antenna of Fig. 4 A;
Fig. 5 illustrates the S according to the digital TV antenna of Fig. 4 A 11The parameter measuring value.
[main description of reference numerals]
100: digital TV antenna 140: slit
110: circuit board 150: ground plane
120: signal feed-in metalwork 160: extend metalwork
122: signal feed-in point 162: long relatively metal part
124: metal body 164: short relatively metal part
130: grounded metal spare 166: buckle
132: earth point 200: digital TV antenna
134: recessed folding part 300: digital TV antenna
136: opening
Embodiment
In order to make narration of the present utility model more detailed and complete, can be with reference to appended accompanying drawing and the various embodiment of the following stated, identical number is represented same or analogous element in the accompanying drawing.On the other hand, well-known element and step are not described among the embodiment, with the restriction of avoiding causing the utility model unnecessary.
Please refer to Fig. 1, it illustrates the stereogram according to a kind of digital TV antenna of the utility model one embodiment.As shown in Figure 1, a kind of digital TV antenna 100, it comprises a circuit board 110, a signal feed-in metalwork 120 and a grounded metal spare 130.Signal feed-in metalwork 120 is formed on the circuit board 110, and has a signal feed-in point 122 and a metal body 124, and metal body 124 presents a strip.Grounded metal spare 130 is formed on the circuit board 110, and have an earth point 132, be positioned at an end of grounded metal spare 130, in order to be electrically connected to a ground plane 150, wherein grounded metal spare 130 is conformal in signal feed-in metalwork 120, and forms a slit 140 and make each other and be electrically insulated.
Further, signal feed-in point is in order to the Digital Television frequency range of reception 470MHz to 870MHz, and the entire length size of digital TV antenna is about the quarter-wave of its centre frequency.Yet, be meant that about " pact " used herein error in value or scope in 20 percent, are in 10 preferably, more preferably be in 5 percent, and in this error range, also can have its identical function effect.
Please refer to Fig. 2, it illustrates the stereogram according to a kind of digital TV antenna 200 of another embodiment of the utility model.As shown in Figure 2, grounded metal spare 130 has at least one recessed folding part 134, in order to when digital TV antenna 200 is disposed in the electronic installation, can corresponding be compatible with the restriction spatially of its inner shell, for example grab etc.In this embodiment, the number of recessed folding part is four.Yet those of ordinary skills should understand all to the utility model that in practical operation recessed folding part can be other appropriate number also not as limit according to the actual requirements.The metal body 124 of signal feed-in metalwork 120 is conformal in grounded metal spare 130, makes metal body 124 produce deformation thereupon, and the width by adjusting slit 140 is to allow electromagnetic coupled energy therebetween reach consistent.
In another embodiment, grounded metal spare 130 also has an opening 136, is positioned at the other end of grounded metal spare 130 and runs through circuit board 110.
Please be simultaneously with reference to Fig. 2 and Fig. 3 A, Fig. 3 A is the stereogram of the extension metalwork that illustrated according to the utility model one embodiment.As shown in the figure, an extension metalwork 160 comprises long relatively metal part 162, one a short relatively metal part 164 and a buckle 166.One end of short relatively metal part 164 connects long relatively metal part 162, and buckle 166 connects the other end of short relatively metal part 164, in the opening 136 that is buckled in grounded metal spare 130.Thus, be connected in grounded metal spare 130 by extending metalwork 160, reaching resonant length, thus the receiving digital television frequency band signals.
In addition, in one embodiment, the short relatively metal part 164 and the long relatively metal part 162 of extending in the metalwork 160 are copline, and extension metalwork 160 has a L shaped outward appearance.In one embodiment, extend short relatively metal part 164 in the metalwork 160 and long relatively metal part 162 and can be not copline, shown in Fig. 3 C and Fig. 3 D.
Then, please refer to Fig. 3 B, it illustrates the end view of the extension metalwork among Fig. 3 A.As shown in the figure, the buckle 166 that extends in the metalwork 160 forms one first angle theta with relative short metal part 164 1, and first angle theta 1Scope is that 135 degree are to 180 degree.Yet those of ordinary skills can need to understand and arrive first angle theta 1Angular dimension, look closely the space that disposes in it and determined to choose, wherein heal when narrow and small first angle theta when spatial altitude 1Then little, vice versa.
Please be simultaneously with reference to Fig. 4 A-4B, Fig. 4 A illustrates the stereogram according to the digital TV antenna 300 of the utility model one embodiment, and Fig. 4 B illustrates first end view of digital TV antenna 300.As shown in the figure, digital TV antenna 300 comprises extension metalwork 160, and its buckle 166 is buckled in the draw-in groove 136 of circuit board 110.In addition, extend not copline of metalwork 160 and circuit board 110, and long relatively metal part 162, signal feed-in metalwork 120 and grounded metal spare 130 all are positioned at the same side of circuit board 110.In one embodiment, signal feed-in metalwork 120 and grounded metal spare 130 can be positioned at the same side of circuit board 110, that is signal feed-in metalwork 120 and grounded metal spare 130 can be positioned at the opposite side of circuit board 110 simultaneously, or signal feed-in metalwork 120 and grounded metal spare 130 can lay respectively at the both sides of circuit board 110.
Therefore, digital TV antenna 300 can pass through to extend metalwork 160 appositely in extending toward circuit board 110 tops, with the length of adjustment grounded metal spare 130, thereby improve its entire length, the size restriction of configuration space that breakthrough is desired.
Please refer to Fig. 4 C, it illustrates second end view of digital TV antenna 300.Shown in Fig. 4 C, circuit board 110 forms one second angle theta with relative short metal part 164 2, and second angle theta 2Scope is that 45 degree are to 90 degree.Yet those of ordinary skills also can need to understand and arrive second angle theta 2Angular dimension, look closely in the configuration space of digital TV antenna 300 and determined to choose, wherein heal when narrow and small second angle theta when spatial altitude 2Then little, vice versa.
Please refer to Fig. 5, it illustrates the S according to the digital TV antenna of Fig. 4 A 11Parameter measuring value, wherein S 11Loss (Return Loss) is returned in the parameter representative.By the metric data shown in the figure as can be known, this digital TV antenna structure can be definitely and perfectly carry out received signal under its frequency of operation.
Though the utility model discloses as above with execution mode; right its is not in order to limit the utility model; any those of ordinary skills; in not breaking away from spirit and scope of the present utility model; when can being used for a variety of modifications and variations, therefore protection range of the present utility model is as the criterion when looking the scope that the accompanying Claim book defined.

Claims (8)

1. a digital TV antenna is characterized in that, comprises:
One circuit board;
One signal feed-in metalwork is formed on this circuit board, and has a signal feed-in point and a metal body, and this metal body presents a strip;
One grounded metal spare, be formed on this circuit board, and have an earth point and an opening, this earth point is positioned at an end of this grounded metal spare, in order to be electrically connected to a ground plane, this opening is positioned at the other end of this grounded metal spare and runs through this circuit board, and wherein this grounded metal spare is conformal in this signal feed-in metalwork, and forms a slit and make each other and be electrically insulated; And
One extends metalwork, comprises:
One long relatively metal part;
One short relatively metal part, an end of this short relatively metal part connect this long relatively metal part; And
One buckle connects the other end that this lacks metal part relatively, in this opening that is buckled in this grounded metal spare.
2. digital TV antenna as claimed in claim 1 is characterized in that, this signal feed-in point is in order to the Digital Television frequency range of reception 470MHz to 870MHz, and the entire length size of this digital TV antenna is about the quarter-wave of its centre frequency.
3. digital TV antenna as claimed in claim 1 is characterized in that, this grounded metal spare has at least one recessed folding part.
4. digital TV antenna as claimed in claim 1 is characterized in that, this short relatively metal part and this long relatively metal part can be copline or non-copline.
5. digital TV antenna as claimed in claim 4 is characterized in that, this extension metalwork has a L shaped outward appearance.
6. digital TV antenna as claimed in claim 1 is characterized in that, this extension metalwork and this circuit board be copline not, and this long relatively metal part, this signal feed-in metalwork and this grounded metal spare all are positioned at the same side or the opposite side of this circuit board.
7. digital TV antenna as claimed in claim 1 is characterized in that this signal feed-in metalwork and this grounded metal spare lay respectively at the both sides of this circuit board.
8. digital TV antenna as claimed in claim 6, it is characterized in that, the relative short metal part with this of this buckle forms one first angle, and this first angular range is that 135 degree are to 180 degree, and the relative short metal part with this of this circuit board forms one second angle, and this second angular range is that 45 degree are to 90 degree.
CN2010202743504U 2010-07-26 2010-07-26 Digital TV antenna Expired - Fee Related CN201766161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202743504U CN201766161U (en) 2010-07-26 2010-07-26 Digital TV antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202743504U CN201766161U (en) 2010-07-26 2010-07-26 Digital TV antenna

Publications (1)

Publication Number Publication Date
CN201766161U true CN201766161U (en) 2011-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202743504U Expired - Fee Related CN201766161U (en) 2010-07-26 2010-07-26 Digital TV antenna

Country Status (1)

Country Link
CN (1) CN201766161U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742507A (en) * 2018-12-29 2019-05-10 深圳Tcl新技术有限公司 A kind of intelligent TV set antenna and intelligent TV set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742507A (en) * 2018-12-29 2019-05-10 深圳Tcl新技术有限公司 A kind of intelligent TV set antenna and intelligent TV set
CN109742507B (en) * 2018-12-29 2021-08-06 深圳Tcl新技术有限公司 Intelligent television antenna and intelligent television

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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: 20110316

Termination date: 20120726