CN209182494U - A kind of trailer-mounted radar array system - Google Patents
A kind of trailer-mounted radar array system Download PDFInfo
- Publication number
- CN209182494U CN209182494U CN201821791268.1U CN201821791268U CN209182494U CN 209182494 U CN209182494 U CN 209182494U CN 201821791268 U CN201821791268 U CN 201821791268U CN 209182494 U CN209182494 U CN 209182494U
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- antenna
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- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model discloses a kind of trailer-mounted radar array system, including pcb board material, the array antenna and electronic circuit that are set on pcb board material, the array antenna includes the transmitting antenna of parallel arrangement, the first receiving antenna and the second receiving antenna from left to right, the transmitting antenna and the first receiving antenna are at a distance of 14mm, and the transmitting antenna and the second receiving antenna are at a distance of 21mm；The electronic circuit includes transmitting chip, receives chip, intermediate-frequency filter and external connector, first receiving antenna is connect by route with the input terminal for receiving chip with the second receiving antenna, the input terminal of the output end for receiving chip and intermediate-frequency filter connects, and the output end of the intermediate-frequency filter and the input terminal of external connector connect；The input terminal of the end feet for receiving chip and transmitting chip connects, and the output end of the transmitting chip is connect with transmitting antenna.The utility model has the characteristics that azimuth beam is wide, pitching narrow beam, high-gain.
Description
" technical field "
The utility model belongs to radar communication, automotive electronic technology and Wide band array antenna field, and in particular to Yi Zhongche
Carry radar array system.
" background technique "
With the development of the automobile industry, either producer or consumer start increasingly to weigh ride safety of automobile problem
Depending on.In statistics of traffic accidents, about 85% rear-end collision collision is shone because of the negligence of driver.Therefore,
How to control or avoid car crass to become research hotspot, automobile collision avoidance radar technology receives the attention of more and more people,
Having become an important technology for measuring vehicle safety performance.With ultrasonic wave, infrared ray, laser system automobile collision preventing
Radar is compared, millimeter-wave automotive anti-collision radar has with roomy, high resolution, part dimension is small, light weight, it is small in size, can fit
The features such as answering atrocious weather environment and all weather operations, while the distance of target can be not only detected, it can also measure
The relative velocity of target and azimuth have well adapting to property and stability.Microwave radar is being sensed with its exclusive advantage
Device field, which obtains, more applies, and microwave radar is mainly made of antenna array, radio frequency part and Digital Signal Processing, and wherein antenna is made
For radar eyes, play the role of to radar ability vital, gain height influences the power of radar；Its azimuth beam
The visual field of width and layout concerning radar bearing face；And antenna also will receive undesirable letter while detecting to target
Number, mainly false target and ground clutter, these undesirable signals directly influence detections of radar ability, will cause radar void
Alert increases.
" utility model content "
The utility model be intended to provide a kind of wide azimuth beam, pitching narrow beam, high-gain, can angle measurement trailer-mounted radar battle array
Column system.
The technical solution adopted in the utility model is as follows: a kind of trailer-mounted radar array system, including pcb board material, is set to
Array antenna and electronic circuit on pcb board material, the array antenna include the transmitting antenna of parallel arrangement, from left to right
One receiving antenna and the second receiving antenna, the transmitting antenna and the first receiving antenna are at a distance of 14mm, the transmitting antenna and
Two receiving antennas are at a distance of 21mm；The electronic circuit includes transmitting chip, receives chip, intermediate-frequency filter and external connector,
First receiving antenna is connect by route with the input terminal for receiving chip with the second receiving antenna, described to receive the defeated of chip
The connection of the input terminal of outlet and intermediate-frequency filter, the output end of the intermediate-frequency filter and the input terminal of external connector connect；
The input terminal of the end feet for receiving chip and transmitting chip connects, and the output end of the transmitting chip is connect with transmitting antenna.
Further, function is also equipped on the array antenna divide phase shifter.
Further, the pcb board material is made of Rogers4350 medium, and the Rogers4350 dielectric thickness is
0.256mm；The layers of copper with a thickness of 0.034mm is covered in the Rogers4350 dielectric surface.
Further, the working frequency of the array antenna is 23.6-23.8GHz.
Further, the normal direction gain of the array antenna is 12-14dB.
Further, the beam angle of the array antenna is 75 × 10mm.
Further, the minor level of the array antenna is 14-18dB.
Further, the voltage standing wave ratio of the array antenna is 1.8-3.6.
Antenna uses series feed microstrip antenna form, and eight yuan of pitching feeds, using amplitude weighting, orientation three is arranged, and forms a hair
Two systems received further narrow antenna and are perfunctory to wave beam, improve radar gain, reduce ground in primary antenna design basis
Face clutter enters receiving antenna；Meanwhile raising antenna gain can be correspondingly improved radar range finding ability, reduce and enter radar
Ground clutter improves the detectability of radar indirectly.
" Detailed description of the invention "
The utility model will illustrate by example and with reference to the appended drawing, in which:
Fig. 1 is the front view of trailer-mounted radar array system；
Fig. 2 is the functional block diagram of trailer-mounted radar array system.
" specific embodiment "
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1 and Figure 2, a kind of trailer-mounted radar array system, including pcb board material 1, the array being set on pcb board material
Antenna and electronic circuit, the array antenna include the transmitting antenna 2 of parallel arrangement from left to right, 3 and of the first receiving antenna
Second receiving antenna 4, the transmitting antenna 2 and the first receiving antenna 3 receive day at a distance of 14mm, the transmitting antenna 2 and second
Line 4 is at a distance of 21mm；Use transmitting antenna and receiving antenna for left and right distribution, can to avoid transmitting signal with to receive signal mutually dry
It disturbs.
The electronic circuit includes receiving chip 5, transmitting chip 8, intermediate-frequency filter 6 and external connector 7, and described first
Receiving antenna 3 is connect by route with the input terminal for receiving chip 5 with the second receiving antenna 4, the output end for receiving chip 5
It is connect with the input terminal of intermediate-frequency filter 6, the output end of the intermediate-frequency filter 6 is connect with the input terminal of external connector 7；Institute
The end feet for stating reception chip 5 is connect with the input terminal of transmitting chip 8, and the output end and transmitting antenna 2 of the transmitting chip 8 connect
It connects.
Further, it is also equipped with function on the array antenna and divides phase shifter (not shown).
Further, the pcb board material is made of Rogers4350 medium, and the Rogers4350 dielectric thickness is
0.256mm；The layers of copper with a thickness of 0.034mm is covered in the Rogers4350 dielectric surface.
The utility model antenna uses series feed microstrip antenna form, eight yuan of pitching feeds, using amplitude weighting, orientation three
Column form the system that a hair two is received, thus the characteristics of forming wide azimuth beam, pitching narrow beam, high-gain.Its all data is such as
Under:
The working frequency of the array antenna is 23.6-23.8GHz.
The normal direction gain of the array antenna is 12-14dB.
The beam angle of the array antenna is 75 × 10mm.
The minor level of the array antenna is 14-18dB.
The voltage standing wave ratio of the array antenna is 1.8-3.6.
Above embodiments are only sufficiently open rather than limitation the utility model, all creation purports based on the utility model,
The replacement of equivalence techniques feature without creative work should be considered as the range of the application exposure.
Claims (8)
1. a kind of trailer-mounted radar array system, including pcb board material, the array antenna and electronic circuit that are set on pcb board material,
It is characterized in that, the array antenna includes that the transmitting antenna of parallel arrangement, the first receiving antenna and second receive from left to right
Antenna, the transmitting antenna and the first receiving antenna are at a distance of 14mm, and the transmitting antenna and the second receiving antenna are at a distance of 21mm；Institute
Electronic circuit is stated to include transmitting chip, receive chip, intermediate-frequency filter and external connector, first receiving antenna and second
Receiving antenna is connect by route with the input terminal for receiving chip, the input of the output end and intermediate-frequency filter for receiving chip
End connection, the output end of the intermediate-frequency filter and the input terminal of external connector connect；The end feet and hair for receiving chip
The input terminal of core shooting piece connects, and the output end of the transmitting chip is connect with transmitting antenna.
2. trailer-mounted radar array system as described in claim 1, which is characterized in that be also equipped with function on the array antenna
Divide phase shifter.
3. trailer-mounted radar array system as described in claim 1, which is characterized in that the pcb board material uses Rogers4350
Medium is made, and the Rogers4350 dielectric thickness is 0.256mm；The Rogers4350 dielectric surface be covered with a thickness of
The layers of copper of 0.034mm.
4. trailer-mounted radar array system as described in claim 1, it is characterised in that: the working frequency of the array antenna is
23.6-23.8GHz。
5. trailer-mounted radar array system as described in claim 1, it is characterised in that: the normal direction gain of the array antenna is
12-14dB。
6. trailer-mounted radar array system as described in claim 1, it is characterised in that: the beam angle of the array antenna is 75
×10mm。
7. trailer-mounted radar array system as described in claim 1, it is characterised in that: the minor level of the array antenna is
14-18dB。
8. trailer-mounted radar array system as described in claim 1, it is characterised in that: the voltage standing wave ratio of the array antenna is
1.8-3.6。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821791268.1U CN209182494U (en) | 2018-10-31 | 2018-10-31 | A kind of trailer-mounted radar array system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821791268.1U CN209182494U (en) | 2018-10-31 | 2018-10-31 | A kind of trailer-mounted radar array system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182494U true CN209182494U (en) | 2019-07-30 |
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ID=67362955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821791268.1U Active CN209182494U (en) | 2018-10-31 | 2018-10-31 | A kind of trailer-mounted radar array system |
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| Country | Link |
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| CN (1) | CN209182494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635235A (en) * | 2019-09-30 | 2019-12-31 | 南京微通电子技术有限公司 | Millimeter wave MIMO radar antenna and control method thereof |
| CN112834988A (en) * | 2021-02-08 | 2021-05-25 | 上海保隆汽车科技股份有限公司 | Vehicle-mounted MIMO radar antenna layout structure |
-
2018
- 2018-10-31 CN CN201821791268.1U patent/CN209182494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635235A (en) * | 2019-09-30 | 2019-12-31 | 南京微通电子技术有限公司 | Millimeter wave MIMO radar antenna and control method thereof |
| CN112834988A (en) * | 2021-02-08 | 2021-05-25 | 上海保隆汽车科技股份有限公司 | Vehicle-mounted MIMO radar antenna layout structure |
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