CN101093908A - Automobile glass antenna - Google Patents
Automobile glass antenna Download PDFInfo
- Publication number
- CN101093908A CN101093908A CN 200610082975 CN200610082975A CN101093908A CN 101093908 A CN101093908 A CN 101093908A CN 200610082975 CN200610082975 CN 200610082975 CN 200610082975 A CN200610082975 A CN 200610082975A CN 101093908 A CN101093908 A CN 101093908A
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- Prior art keywords
- antenna
- automobile glass
- defrosting
- silk
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- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 55
- 238000010257 thawing Methods 0.000 claims abstract description 43
- 238000005485 electric heating Methods 0.000 abstract description 4
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention relates to an automobile antenna, in particular to an automobile glass antenna. The invention utilizes the electric heating wire of the defrosting device as the antenna, overcomes the limitation of the aperture of the antenna, avoids the interference of electric current radiation noise of the electric heating wire of the defrosting device and the interference of a defogging wire, simplifies the structure of the antenna, and invents the automobile glass antenna with good performance.
Description
Technical field
The present invention relates to a kind of car antenna, relate in particular to a kind of antenna of automobile glass.
Background technology
The antenna that assembles on the automobile mainly contains two kinds at present, and a kind of is the rod-pulling type antenna, and this high antenna that erects on vehicle body is easy to bending, fractures, and can produce noise because of the vibration of vehicle body in the vehicle ' process; Another kind is hidden glass antenna in glass inside.The design of traditional glass antenna is on the defrosting device next door of car rear window, basic structure as shown in Figure 1, described antenna 1-2 is positioned at the upper end of glass 1-1, what it was close to below is to remove frost line 1-11.Antenna is connected with antenna amplifier antennafire 1-9 by an antenna feed point 1-3, the signal that antenna 1-2 receives is exported to sound equipment 1-10 after antenna amplifier antennafire 1-9 amplifies, wherein if guarantee antenna amplifier antennafire 1-9 operate as normal and avoid interference signal, need provide a power supply 1-8 and an antenna amplifier antennafire power-supply filter 1-6.In the lower part of glass 1-1, transverse arrangement of turbo be a defrosting silk 1-11, all defrosting silk 1-11 constitute a loop, it is anodal to be connected with power supply 1-12, the while positive source need meet a defrosting filter 1-5, the other end of the filter 1-5 that defrosts links to each other with ground.
There is inevitable defective in traditional glass antenna:
The idle area in defrosting device next door is limited, has limited the effective dimensions of antenna, thus the received signal of antenna too a little less than.Therefore, in actual use, usually need to increase special-purpose antenna amplifier antennafire and amplify the signal that this antenna is responded to, the impedance conversion that makes antenna could make like this that to the impedance identical with radio receiver signal can be used.Like this, the corresponding match circuit of setting up just makes the design more complicated of antenna, owing to use parts many, makes cost also than higher simultaneously;
Because antenna arrangement is on the defrosting device next door, therefore, when defrosting device was worked, the electric current on the heating wire can give off clutter, thus the potato masher antenna reception;
The frost line itself that removes that is arranged in the antenna next door just has antenna characteristics, can interfere with each other between the two, thereby make the antenna wiring extremely complicated, and the directivity of antenna is difficult to prediction;
Consider the interference and a defrosting interference to antenna of the current of electric heating wire radiation of above-mentioned defrosting device, must and remove frost line separately design as much as possible with antenna, therefore reduce relatively except that the frost line layout area, defrosting effect is bad.Equally, the zone of antenna is also very limited, arranges difficulty relatively.
Therefore, in order to overcome the problems referred to above, the present invention utilizes the heating wire of defrosting device as antenna, has proposed a kind of antenna of automobile glass with superperformance.
Summary of the invention
The objective of the invention is to utilize the heating wire of defrosting device, propose a kind of antenna of automobile glass with superperformance.
Antenna of automobile glass involved in the present invention comprises: antenna receiving element, the signal transmitting apparatus that is connected with the antenna receiving element, and filter links to each other with the antenna receiving element; Described antenna receiving element is a wire screen, and this wire screen is adjusted line and adjusted the defrosting silk that line links to each other with a strip antenna phase place wherein and constitute by main antenna, many strip antennas phase place around being distributed in.
Preferably, the main antenna of described antenna of automobile glass is positioned at the outer any position of both positive and negative polarity of the described defrosting silk of decapacitation conducting on glass.
Preferably, the antenna phase of described antenna of automobile glass is adjusted the outer any position of both positive and negative polarity that line is located at the described defrosting silk of decapacitation conducting on glass.
Preferably, described antenna of automobile glass is an annular.
Preferably, one end of the described signal transmitting apparatus of described antenna of automobile glass directly links to each other with described antenna receiving element distributing point, the other end links to each other with signal receiving device, and described signal transmitting apparatus is coaxial cable, and described signal receiving device is an apparatus for receiving audio.
Preferably, the positive pole of the filter of described antenna of automobile glass links to each other with negative pole with the positive pole of defrosting silk respectively with negative pole; At the other end of described filter, the positive pole of described filter links to each other with earthing power supply with defrost switch successively, the minus earth of described filter, and the positive pole and the negative pole of described defrosting silk can exchange.
Antenna of automobile glass involved in the present invention, can overcome the restriction of the antenna aperture of traditional glass antenna, avoid the interference of current of electric heating wire radiation clutter of defrosting device and the interference that removes frost line itself, the simplification antenna structure, thus improve the performance of antenna and reduced system cost.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, wherein
Fig. 1 is the system construction drawing of traditional glass antenna;
Fig. 2 is the system construction drawing of glass antenna of the present invention.
Embodiment
Further describe antenna of automobile glass provided by the present invention below in conjunction with accompanying drawing, but therefore the present invention is not subjected to any restriction.
The structure of the antenna of automobile glass that the present invention relates to as shown in Figure 2.Main antenna 2-2 is arranged in the top of glass 2-1, there is many strip antennas phase place to adjust around line 2-3 is distributed in, wherein a strip antenna phase place is adjusted line and is linked to each other with following defrosting silk 2-12, but do not constitute current circuit, after main antenna 2-2 and phase place adjustment line 2-3 converge, mode with an antenna feed point 2-4 links to each other as one section coaxial cable 2-7 with signal transmitting apparatus, and coaxial cable 2-7 can directly be connected with signal receiving device such as apparatus for receiving audio 2-10 then.Defrosting silk 2-12 is zigzag and arranges on glass 2-1, and draw by promptly defrost a positive source 2-5 and a defrosting silk power cathode 2-6 of two connector lugs respectively, wherein anodal 2-5 links to each other with the positive pole of filter 2-9, negative pole 2-6 links to each other with the negative pole of filter 2-9, other end at filter, the positive pole of filter 2-9 directly is connected in the control that power supply 2-8 went up and be subjected to a defrost switch 2-11, the direct ground connection of the negative pole of filter 2-9.
In the time of glass antenna work,, comprise that main antenna 2-2, phase place are adjusted line 2-3 and the silk 2-12 that all defrosts the receiving element of the wire screen on the monolithic glass as antenna.Therefore, with respect to traditional glass antenna system, be that area or the area of main antenna 2-2 and antenna phase adjustment line 2-3 of defrosting silk 2-12 is all bigger, and can interpenetrate, just more flexible on arranging like this, and increased the effective aperture of antenna, improved gain.
By main antenna 2-2 and the phase place adjustment line 2-3 that adjusts on the glass dwi hastasana is circularized, can improve the receiving sensitivity (very effective to promoting AM segment sensitive degree especially) of glass antenna, make it have good performance.And the increase of actual antennas area makes that the signal receive is very strong, and the mode of can be directly sentencing electric current at antenna feed point 2-4 directly is connected to signal receiving device such as apparatus for receiving audio 2-10 by signal transmitting apparatus such as coaxial cable 2-7.Like this, can save necessary antenna amplifier antennafire 1-9 in the traditional glass antenna, avoid the complicated of antenna structure, reduce cost.
In theory the layout of main antenna 2-2 can be on glass 2-1 any position outside the both positive and negative polarity of decapacitation conducting defrosting silk 2-12.Usually, for attractive in appearance, main antenna 2-2 is arranged in the central authorities of glass, in the middle of the upper end of glass as shown in Figure 2, the mode of taking out the line feed simultaneously from the middle part helps improving antenna polarization characteristics and directivity.
In theory phase place adjust the layout of line 2-3 can be on 2-1 any position outside the both positive and negative polarity of decapacitation conducting defrosting silk 2-12.Usually, for attractive in appearance and conveniently allow antenna form an annular, with its be arranged in main antenna 2-2 near.By adjusting antenna phase line 2-3 control antenna self-resonance easily frequency of heart at work, spread bandwidth reaches good matching effect.
In the time of defrosting device work antenna receiving signal is not exerted an influence.The positive source 2-5 of glass defrosting device and negative pole 2-6 are connected on the filter 2-9, the noise jamming that can filter out power 2-8 brings.Simultaneously, main antenna 2-2 and defrosting silk 2-12 do not constitute current circuit, so defrosting device exerts an influence hardly to antenna receiving signal.
Compare with the orthodox car glass antenna system, the both positive and negative polarity of supplying with the power supply 2-8 of defrosting silk is carried out filtering with filter 2-9, structurally more concentrated, be convenient to the layout on vehicle more.While is compared with the traditional glass antenna system, and the present invention also has an inductance to filter to earth signal, and this high-frequency signal that choke suppress defrosting silk 2-12 is upward responded to is decayed over the ground and had very great help.
The increase of defrosting silk arrangement areas makes that the defrosting effect of rear window is more even, has improved the fail safe of car load.On the other hand, the increase of the defrosting silk 2-12 area sensitivity that also improved received signal.
Positive source 2-5 and the negative pole 2-6 of defrosting silk 2-12 exchange, to the not influence of performance of system.
The position of the distributing point of defrosting silk positive pole, negative pole and the antenna receiving element of antenna of automobile glass, main antenna etc. is not limited to layout shown in Figure 2, position around the both positive and negative polarity of defrosting silk, the upper and lower, left and right that antenna feed point can be arranged in glass etc., main antenna can be arranged in the position such as upper and lower of glass.
Claims (9)
1. an antenna of automobile glass is characterized in that, comprising: antenna receiving element, the signal transmitting apparatus that is connected with the antenna receiving element, the filter that links to each other with the antenna receiving element; Described antenna receiving element is a wire screen, and this wire screen is adjusted line and adjusted the defrosting silk that line links to each other with a strip antenna phase place wherein and constitute by main antenna, many strip antennas phase place around being distributed in.
2. antenna of automobile glass according to claim 1 is characterized in that, described main antenna is positioned at the outer any position of both positive and negative polarity of the described defrosting silk of decapacitation conducting on glass.
3. antenna of automobile glass according to claim 1 is characterized in that, described antenna phase is adjusted the outer any position of both positive and negative polarity that line is located at the described defrosting silk of decapacitation conducting on glass.
4. according to the described antenna of automobile glass of one of claim 1 to 3, it is characterized in that described antenna is an annular.
5. antenna of automobile glass according to claim 1 is characterized in that, an end of described signal transmitting apparatus directly links to each other with described antenna receiving element distributing point, and the other end links to each other with signal receiving device.
6. antenna of automobile glass according to claim 5 is characterized in that, described signal transmitting apparatus is a coaxial cable, and described signal receiving device is an apparatus for receiving audio.
7. antenna of automobile glass according to claim 1 is characterized in that, the positive pole of described filter links to each other with negative pole with the positive pole of described defrosting silk respectively with negative pole.
8. according to claim 1 or 7 described antenna of automobile glass, it is characterized in that at the other end of described filter, the positive pole of described filter links to each other with earthing power supply with defrost switch successively, the minus earth of described filter.
9. antenna of automobile glass according to claim 7 is characterized in that, the positive pole and the negative pole of described defrosting silk can exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610082975A CN101093908B (en) | 2006-06-23 | 2006-06-23 | Antenna of automobile glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610082975A CN101093908B (en) | 2006-06-23 | 2006-06-23 | Antenna of automobile glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101093908A true CN101093908A (en) | 2007-12-26 |
| CN101093908B CN101093908B (en) | 2012-09-05 |
Family
ID=38992012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610082975A Expired - Fee Related CN101093908B (en) | 2006-06-23 | 2006-06-23 | Antenna of automobile glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101093908B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741091B (en) * | 2010-02-09 | 2013-01-02 | 广东格兰仕集团有限公司 | External filter device |
| CN107946728A (en) * | 2016-10-13 | 2018-04-20 | 江苏卡威汽车工业集团股份有限公司 | A kind of front screen printed antenna for automobiles device |
| CN108028459A (en) * | 2015-09-14 | 2018-05-11 | 株式会社友华 | In-vehicle antenna apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4803492A (en) * | 1985-11-25 | 1989-02-07 | Central Glass Company, Limited | Vehicle window glass antenna |
| DE10033336A1 (en) * | 1999-08-11 | 2001-04-12 | Heinz Lindenmeier | Diversity antenna for diversity system in vehicle has edge conductor on side of conducting surface with minimum length of about tenth of wavelength, forming low impedance coupling line |
| CN2735558Y (en) * | 2004-08-13 | 2005-10-19 | 柯玉荣 | Automobile printed antenna arrangement with induction increased different phase signal receiving |
| CN100425004C (en) * | 2005-09-15 | 2008-10-08 | 蒋小平 | Vehicle scanning antenna |
-
2006
- 2006-06-23 CN CN200610082975A patent/CN101093908B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741091B (en) * | 2010-02-09 | 2013-01-02 | 广东格兰仕集团有限公司 | External filter device |
| CN108028459A (en) * | 2015-09-14 | 2018-05-11 | 株式会社友华 | In-vehicle antenna apparatus |
| CN107946728A (en) * | 2016-10-13 | 2018-04-20 | 江苏卡威汽车工业集团股份有限公司 | A kind of front screen printed antenna for automobiles device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101093908B (en) | 2012-09-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: 570216 Jinpan Industrial Development Zone, Haikou City, Hainan Province Patentee after: FAW HAIMA AUTOMOBILE Co.,Ltd. Address before: 570216 Jinpan Industrial Development Zone, Haikou City, Hainan Province Co-patentee before: SHANGHAI HAIMA AUTOMOBILE R & D Co.,Ltd. Patentee before: FAW HAIMA AUTOMOBILE Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 570216 Hainan Province, Haikou city Jinpan Industrial Development Zone Patentee after: Hainan Haima Automobile Co.,Ltd. Address before: 570216 Hainan Province, Haikou city Jinpan Industrial Development Zone Patentee before: FAW HAIMA AUTOMOBILE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |