CN104466433A - Vehicle-mounted radio frequency receiving antenna device - Google Patents
Vehicle-mounted radio frequency receiving antenna device Download PDFInfo
- Publication number
- CN104466433A CN104466433A CN201410739804.3A CN201410739804A CN104466433A CN 104466433 A CN104466433 A CN 104466433A CN 201410739804 A CN201410739804 A CN 201410739804A CN 104466433 A CN104466433 A CN 104466433A
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- antenna
- receiving circuit
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- frequency
- welding
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Abstract
The invention discloses a vehicle-mounted radio frequency receiving antenna device which comprises an insulated substrate. A printed antenna is arranged on the upper portion of the substrate, a radio frequency receiving circuit is arranged on the lower portion of the substrate, an isolation area is formed between the printing antenna and the radio frequency receiving circuit and provided with two welding holes used for being connected with a welded antenna, the position, close to the radio frequency receiving circuit, of the isolation area is provided with a first jumper resistor and a second jumper resistor, one end of the first jumper resistor is connected with the printed antenna, one end of the second jumper resistor is used for being connected with the welded antenna, and the radio frequency receiving circuit is provided with antenna signal input end interfaces for the other end of the first jumper resistor and the other end of the second jumper resistor to be inserted in. According to the vehicle-mounted radio frequency receiving antenna device, a proper antenna can be selected according to different occasions and environment needs, the application range is wide, the development time can be effectively shortened, and research and development cost can be reduced.
Description
Technical field
The present invention relates to the radio frequency receive antenna device in a kind of onboard system.
Background technology
The inside antenna of car radio receiver has two kinds of forms usually: plate carries printed antenna or welding antenna.
Plate is carried printed antenna and is printed on substrate by one section of copper sheet and makes, and it is copper that plate carries the main metal material of printed antenna, and cost is lower, but the area of Signal reception is less, sensitivity is low, can not use when receiving radius distance and requiring longer.
And weld antenna, also claim high-gain aerial, to be connected on substrate by corronil to make mainly through welding procedure, the scope of reception is wide, and highly sensitive, but the cost of the material of alloy is higher, is not suitable for applying in the occasion of low cost.
Existing car radios only adopts plate to carry printed antenna or welds the wherein one in antenna, in the design development of the whole onboard system to vehicle, according to different automobile mechanical mechanisms, the installation site of radio system is different, and different installation sites Capability Requirement is to received signal different, existing car radios accurately cannot be applicable to above-mentioned all installation sites, research staff will be difficult to the actual concrete condition accurately determining vehicle, concerning with a car radios, when installation site occurs to change time, may need to redesign antenna part, add the development time, also improve R&D costs.
Summary of the invention
The invention provides one and can reduce R&D costs, the vehicle-mounted radio frequency receive antenna device that space availability ratio is high, applied widely.
Vehicle-mounted radio frequency receive antenna device of the present invention, comprise the substrate of insulation, substrate top is provided with printed antenna, substrate bottom is provided with radio-frequency (RF) receiving circuit, it is area of isolation between printed antenna and radio-frequency (RF) receiving circuit, described area of isolation is in order to isolate the electromagnetic interference of radio-frequency (RF) receiving circuit to printed antenna, area of isolation is provided with two welding holes in order to be connected with welding antenna, at area of isolation, the place at radio-frequency (RF) receiving circuit place is provided with the first wire jumper resistance and the second wire jumper resistance, one end of first wire jumper resistance is connected with printed antenna, one end of second wire jumper resistance is in order to be connected with welding antenna, radio-frequency (RF) receiving circuit is provided with the interface of the aerial signal input that the other end of the first wire jumper resistance or the second wire jumper resistance can be supplied to insert.
Vehicle-mounted radio frequency receive antenna device of the present invention, the bottom of substrate is provided with the radio-frequency (RF) receiving circuit receiving cab signal, the upper position of substrate is provided with printed antenna, area of isolation between printed antenna with radio-frequency (RF) receiving circuit can be provided with and weld antenna, welding antenna can be welded on two welding holes of substrate, and printed antenna is connected with the input of radio-frequency (RF) receiving circuit by different wire jumper resistance with welding antenna again.When developing the onboard system of vehicle, vehicle-mounted radio frequency receive antenna device can be placed on the vehicle interior position pre-set, the other end of the first wire jumper resistance is inserted the interface being connected to radio-frequency (RF) receiving circuit aerial signal input, just the connection of printed antenna and radio-frequency (RF) receiving circuit can be realized, research staff just can carry out the test of being correlated with and debugging efforts, if vehicle-mounted radio frequency receive antenna device place vehicle interior Position disturbance is more, the distortion of radio-frequency (RF) receiving circuit Received signal strength is more serious, the interface of the other end of the first wire jumper resistance from radio-frequency (RF) receiving circuit aerial signal input can be taken out, again the other end of the second wire jumper resistance is inserted the interface being connected to radio-frequency (RF) receiving circuit aerial signal input, research staff just can proceed the test of being correlated with and debugging efforts, simple and convenient, greatly can shorten the development time, reduce R&D costs, research staff just the electric circumstance of this position of vehicle interior can complete test and evaluation work in the short period of time.In addition, area of isolation is provided with between printed antenna and radio-frequency (RF) receiving circuit, area of isolation is in order to isolate the electromagnetic interference of radio-frequency (RF) receiving circuit to printed antenna, to ensure that the interference that printed antenna is subject to when Received signal strength drops to minimum, area of isolation arranges welding antenna, welding antenna is welded on the welding hole on area of isolation, namely welding antenna is the top being positioned at area of isolation, take full advantage of the space at area of isolation, improve the space availability ratio of vehicle-mounted radio frequency receive antenna device, and because welding antenna is positioned at above area of isolation, namely weld antenna distance substrate and also have certain distance, the principle the longest according to hypotenuse, welding antenna is greater than the distance of welding hole to radio-frequency (RF) receiving circuit to the distance of radio-frequency (RF) receiving circuit, increase the distance between welding antenna to radio-frequency (RF) receiving circuit, while making full use of the vacant position of area of isolation, also avoid welding the electromagnetic interference that antenna is subject to radio-frequency (RF) receiving circuit.Vehicle-mounted radio frequency receive antenna device of the present invention, first research staff utilizes printed antenna to carry out testing experiment, if printed antenna can not meet test requirements document, then can welding antenna be welded on the welding hole of substrate, then just operating operation test can be proceeded, this vehicle-mounted radio frequency receive antenna device is applicable to the installation testing needs of different automobile types diverse location, applied widely, the development time of research staff can be shortened, reduce R&D costs, in addition, welding antenna is welded on area of isolation, take full advantage of the vacant position of area of isolation on substrate, improve the space availability ratio of vehicle-mounted radio frequency receive antenna device inside.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of vehicle-mounted radio frequency receive antenna device.
Fig. 2 is a kind of side schematic view of vehicle-mounted radio frequency receive antenna device.
Embodiment
Vehicle-mounted radio frequency receive antenna device as shown in Figure 1, comprise the substrate 1 of insulation, substrate 1 top is provided with printed antenna 2, printed antenna 2 is for being printed on the copper sheet on substrate, substrate bottom is provided with radio-frequency (RF) receiving circuit 3, it is area of isolation between printed antenna 2 and radio-frequency (RF) receiving circuit 3, described area of isolation is in order to isolate the electromagnetic interference of radio-frequency (RF) receiving circuit to printed antenna, area of isolation is provided with two welding holes 4, the two ends of welding antenna 5 can be welded on these two welding holes 4, welding antenna 5 is corronil, the ability of welding antenna receiving signal can be increased, at area of isolation, the place at radio-frequency (RF) receiving circuit place is provided with the first wire jumper resistance 6 and the second wire jumper resistance 7, one end of first wire jumper resistance 6 is connected with printed antenna, one end of second wire jumper resistance 7 is connected with welding antenna, radio-frequency (RF) receiving circuit is provided with the interface 8 of the aerial signal input that the other end of the first wire jumper resistance or the second wire jumper resistance can be supplied to insert, interface 8 is metal notch, when the other end of the first wire jumper resistance is inserted in metal notch, just the connection of printed antenna and radio-frequency (RF) receiving circuit can be realized, when the other end of the second wire jumper resistance is inserted in metal notch, just the connection of welding antenna and radio-frequency (RF) receiving circuit can be realized.
Printed antenna comprises traversing section and longitudinal section, traversing section is parallel with radio-frequency (RF) receiving circuit, longitudinal section is connected with one end of the first wire jumper, traversing section is mainly in order to reception antenna signal, longitudinal section will be in order to will receive signal by the first wire jumper resistive transmission to radio-frequency (RF) receiving circuit, traversing section keeps consistent with the parallel intensity of the interference signal receiving radio-frequency (RF) receiving circuit that keeps of radio-frequency (RF) receiving circuit, can the intensity of the interference signal of radio-frequency (RF) receiving circuit be dropped to minimum by area of isolation, when traversing section receives the consistent interference signal of the intensity of radio-frequency (RF) receiving circuit, more favourable and more easily realize removing interference signal, guarantee to receive accurate and stable aerial signal.
In addition, two welding holes are equal with the distance of radio-frequency (RF) receiving circuit, and one of them welding hole is connected by the one end with the second wire jumper resistance of the printed circuit cable on substrate.When two welding holes are equal with the distance of radio-frequency (RF) receiving circuit, can ensure that welding antenna can be parallel to radio-frequency (RF) receiving circuit, ensure that the interference signal intensity received from radio-frequency (RF) receiving circuit is consistent, more be conducive to removing interference signal, weld in addition antenna to be positioned at above area of isolation and with described substrate keeping parallelism, it is connected with described welding hole by both ends bending, and both ends and the substrate of bending keep vertical.As shown in Figure 2, if the distance in welding antenna distance substrate isolates region is X, the distance of welding hole distance radio-frequency (RF) receiving circuit is Y, and the distance Z namely welding antenna distance radio-frequency (RF) receiving circuit is
namely welding antenna is greater than the distance of welding hole to radio-frequency (RF) receiving circuit to the distance of radio-frequency (RF) receiving circuit, increase the distance between welding antenna to radio-frequency (RF) receiving circuit, while making full use of the vacant position of area of isolation, also avoid welding the electromagnetic interference that antenna is subject to radio-frequency (RF) receiving circuit.
Vehicle-mounted radio frequency receive antenna device involved in the present invention is in the process of installation testing, first the antenna assembly not arranging welding antenna 5 can be installed to automobile designated mounting position, the signal receiving performance of antenna assembly is tested, as test result satisfies the demands, just without the need to adding welding antenna; Because the different installation site of different automobile types is different to the requirement of antenna receiving unit performance, therefore as above-mentioned test result can not satisfy the demands, welding antenna that then can be range of receiving is wide, highly sensitive is welded to the welding hole 4 on this antenna assembly substrate, reinstalls to automobile assigned address to meet the performance requirement to antenna assembly.This kind of structural design of antenna assembly, meeting automobile under the prerequisite of antenna assembly signal reception requirement, can be down to minimum by antenna assembly production cost; Simultaneously when printed antenna can not meet performance requirement, only need simply welding antenna to be welded to pre-designed welding hole, shorten the time of secondary development greatly, and improve the versatility of antenna assembly, the R&D costs reducing antenna assembly of high degree.
Claims (5)
1. a vehicle-mounted radio frequency receive antenna device, it is characterized in that: the substrate comprising insulation, substrate top is provided with printed antenna, substrate bottom is provided with radio-frequency (RF) receiving circuit, it is area of isolation between printed antenna and radio-frequency (RF) receiving circuit, described area of isolation is in order to isolate the electromagnetic interference of radio-frequency (RF) receiving circuit to printed antenna, area of isolation is provided with two welding holes in order to be connected with welding antenna, at area of isolation, the place at radio-frequency (RF) receiving circuit place is provided with the first wire jumper resistance and the second wire jumper resistance, one end of first wire jumper resistance is connected with printed antenna, one end of second wire jumper resistance is in order to be connected with welding antenna, radio-frequency (RF) receiving circuit is provided with the interface of the aerial signal input that the other end of the first wire jumper resistance or the second wire jumper resistance can be supplied to insert.
2. the vehicle-mounted radio frequency receive antenna device of one according to claim 1, it is characterized in that: described printed antenna comprises traversing section and longitudinal section, and traversing section is parallel with radio-frequency (RF) receiving circuit, longitudinal section is connected with one end of the first wire jumper resistance.
3. the vehicle-mounted radio frequency receive antenna device of one according to claim 1, is characterized in that: described two welding holes are equal with the distance of radio-frequency (RF) receiving circuit, and one of them welding hole is connected by the one end with the second wire jumper resistance of the printed circuit cable on substrate.
4. the vehicle-mounted radio frequency receive antenna device of one according to claim 1, is characterized in that: described printed antenna is printing copper sheet on the surface of the substrate.
5. the vehicle-mounted radio frequency receive antenna device of one according to claim 1, is characterized in that: described welding antenna is made up of corronil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739804.3A CN104466433A (en) | 2014-12-08 | 2014-12-08 | Vehicle-mounted radio frequency receiving antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410739804.3A CN104466433A (en) | 2014-12-08 | 2014-12-08 | Vehicle-mounted radio frequency receiving antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104466433A true CN104466433A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410739804.3A Pending CN104466433A (en) | 2014-12-08 | 2014-12-08 | Vehicle-mounted radio frequency receiving antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466433A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656572A (en) * | 2016-01-04 | 2016-06-08 | 重庆长安汽车股份有限公司 | Anti-jamming performance test system and method for vehicular radio frequency device based on frequency hopping technology |
| CN112492748A (en) * | 2021-01-14 | 2021-03-12 | 四川赛狄信息技术股份公司 | Missile-borne, airborne and vehicle-mounted data processing printed board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412890A (en) * | 2001-10-19 | 2003-04-23 | B.E.R.集团股份有限公司 | Planar antenna |
| CN200941419Y (en) * | 2006-08-21 | 2007-08-29 | 东莞骅国电子有限公司 | Vehicle ITS antenna |
| WO2008081077A1 (en) * | 2007-01-04 | 2008-07-10 | Pulse Finland Oy | Antenna structure |
| JP2008219220A (en) * | 2007-03-01 | 2008-09-18 | Matsushita Electric Ind Co Ltd | Receiver unit |
| US20090096688A1 (en) * | 2007-10-16 | 2009-04-16 | Nippon Soken, Inc. | Antenna system and an in-vehicle communication apparatus |
| CN204289725U (en) * | 2014-12-08 | 2015-04-22 | 马瑞利汽车电子(广州)有限公司 | A kind of vehicle-mounted radio frequency receive antenna device |
-
2014
- 2014-12-08 CN CN201410739804.3A patent/CN104466433A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412890A (en) * | 2001-10-19 | 2003-04-23 | B.E.R.集团股份有限公司 | Planar antenna |
| CN200941419Y (en) * | 2006-08-21 | 2007-08-29 | 东莞骅国电子有限公司 | Vehicle ITS antenna |
| WO2008081077A1 (en) * | 2007-01-04 | 2008-07-10 | Pulse Finland Oy | Antenna structure |
| JP2008219220A (en) * | 2007-03-01 | 2008-09-18 | Matsushita Electric Ind Co Ltd | Receiver unit |
| US20090096688A1 (en) * | 2007-10-16 | 2009-04-16 | Nippon Soken, Inc. | Antenna system and an in-vehicle communication apparatus |
| CN204289725U (en) * | 2014-12-08 | 2015-04-22 | 马瑞利汽车电子(广州)有限公司 | A kind of vehicle-mounted radio frequency receive antenna device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656572A (en) * | 2016-01-04 | 2016-06-08 | 重庆长安汽车股份有限公司 | Anti-jamming performance test system and method for vehicular radio frequency device based on frequency hopping technology |
| CN112492748A (en) * | 2021-01-14 | 2021-03-12 | 四川赛狄信息技术股份公司 | Missile-borne, airborne and vehicle-mounted data processing printed board |
| CN112492748B (en) * | 2021-01-14 | 2021-04-23 | 四川赛狄信息技术股份公司 | Missile-borne, airborne and vehicle-mounted data processing printed board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |