CN204347246U - Millimeter speed-measuring radar - Google Patents
Millimeter speed-measuring radar Download PDFInfo
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- CN204347246U CN204347246U CN201420847846.4U CN201420847846U CN204347246U CN 204347246 U CN204347246 U CN 204347246U CN 201420847846 U CN201420847846 U CN 201420847846U CN 204347246 U CN204347246 U CN 204347246U
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- speed
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- millimeter
- receiving subassembly
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Abstract
The utility model discloses a kind of millimeter speed-measuring radar, comprise antenna, hybrid integrated transmitting-receiving subassembly, triangular modulation device, signal processing unit and display alarm unit, described delta modulation device, hybrid integrated transmitting-receiving subassembly, signal processing unit is connected successively with display alarm unit, described hybrid integrated transmitting-receiving subassembly is by antenna receiving and transmitting signal, described millimeter wave test the speed range radar device adopt single antenna+circulator circuit structure, the described millimeter wave range radar transmitting-receiving subassembly that tests the speed comprises triangular-wave generator, VOC, amplifier, power splitter, circulator, low noise amplifier, frequency mixer, wave filter and intermediate frequency amplifier, this millimeter speed-measuring radar effectively can reduce the generation of traffic hazard, have broad application prospects.
Description
Technical field
The utility model relates to velocity radar technical field, is specially a kind of millimeter speed-measuring radar.
Background technology
Day by day universal along with China's automobile and highway, all kinds of frequent accidents occurs, and has seriously constrained the development of Chinese transportation transport.Prevent car collision from having caused the concern of various countries, therefore be badly in need of finding a kind of method that effectively can solve car crass problem, the millimeter wave range radar that tests the speed effectively can reduce the generation of traffic hazard, has broad application prospects, becomes the focus of Recent study.
Utility model content
The purpose of this utility model is to provide a kind of millimeter speed-measuring radar, adopt and on millimeter speed-measuring radar, be provided with antenna, hybrid integrated transmitting-receiving subassembly, triangular modulation device, signal processing module and alarm display module, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: millimeter speed-measuring radar, comprise antenna, hybrid integrated transmitting-receiving subassembly, triangular modulation device, signal processing unit and display alarm unit, described delta modulation device, hybrid integrated transceiver module, signal processing unit is connected successively with display alarm unit, described hybrid integrated transceiver module is by antenna receiving and transmitting signal, described millimeter wave test the speed range radar device adopt single antenna+circulator circuit structure, the described millimeter wave range radar transmitting-receiving subassembly that tests the speed comprises triangular-wave generator, VOC, amplifier, power splitter, circulator, low noise amplifier, frequency mixer, wave filter and intermediate frequency amplifier.
Preferably, single antenna circuit structure is triangular-wave generator, VCO, amplifier, power splitter, frequency mixer, wave filter be connected successively with intermediate frequency amplifier.
Preferably, ring circuit structure is triangular-wave generator, VCO, amplifier, power splitter be connected successively with circulator.
Compared with prior art, the beneficial effects of the utility model are: the millimeter speed-measuring radar system in the design can measure relative distance between this car and front vehicles and relative velocity automatically, then the safe distance calculated according to it carries out danger judgement, reminds driver to make corresponding actions to avoid the collision of automobile in time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model millimeter wave transceiving modular construction schematic diagram;
In figure: 1 millimeter wave transceiving assembly, 2 triangular modulation devices, 3 signal processing units, 4 display alarm unit, 5 low noise amplifiers, 6 frequency mixer, 7 wave filters, 8 intermediate frequency amplifiers, 9 antennas, 10 circulators, 11 power splitters, 12 amplifiers, 13VCO and 14 triangular-wave generators.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, a kind of millimeter speed-measuring radar of the utility model, comprise antenna 9, hybrid integrated transmitting-receiving subassembly, triangular modulation device 2, signal processing unit 3 and display alarm unit 4, triangular modulation device 2, hybrid integrated transceiver module, signal processing unit 3 is connected successively with display alarming device 4, hybrid integrated transmitting-receiving subassembly is by antenna 9 receiving and transmitting signal, triangular modulation device 2 produces amplitude, the triangle wave voltage of frequency-adjustable is to hybrid integrated transmitting-receiving subassembly, hybrid integrated transceiver module sends signal by antenna 9, signal encounters target back reflection, receive hybrid integrated transceiver module by antenna 9 and obtain difference frequency signal, difference frequency signal enters intermediate frequency amplification system entering signal disposal system again, signal processing system will detect that target range information transmission is to alarm display system, alarm display system display-object distance and alarm distance, and judge whether alarm according to the alarm distance arranged, millimeter wave test the speed range radar device adopt single antenna+circulator circuit structure, the millimeter wave range radar transmitting-receiving subassembly that tests the speed comprises triangular-wave generator 14, VOC13, amplifier 12, power splitter 11, circulator 10, low noise amplifier 5, frequency mixer 6, wave filter 7 and intermediate frequency amplifier 8, triangular-wave generator 14 produces modulated voltage signal, control voltage controlled oscillator and export continuous wave frequency signal, after signal power is amplified by amplifier 12, two-way is divided again by power splitter, one tunnel is delivered to circulator and is radiated free space through antenna 9, down coversion in frequency mixer 6 that what another road and antenna received transmit, spuious and the garbage signal through wave filter 7 filtering, after intermediate frequency amplifier 8 amplifies again, settled accounts by signal processing unit 3.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present utility model, as long as when it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (3)
1. millimeter speed-measuring radar, comprise antenna, hybrid integrated transmitting-receiving subassembly, triangular modulation device, signal processing unit and display alarm unit, described delta modulation device, hybrid integrated transmitting-receiving subassembly, signal processing unit is connected successively with display alarm unit, described hybrid integrated transmitting-receiving subassembly is by antenna receiving and transmitting signal, described millimeter wave test the speed range radar device adopt single antenna+circulator circuit structure, the described millimeter wave range radar transmitting-receiving subassembly that tests the speed comprises triangular modulation device, VOC, amplifier, power splitter, circulator, low noise amplifier, frequency mixer, wave filter and intermediate frequency amplifier.
2. millimeter speed-measuring radar according to claim 1, is characterized in that: single antenna circuit structure is triangular modulation device, VCO, amplifier, power splitter, frequency mixer, wave filter are connected successively with intermediate frequency amplifier.
3. millimeter speed-measuring radar according to claim 1, is characterized in that: ring circuit structure is triangular modulation device, VCO, amplifier, power splitter are connected successively with circulator.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420847846.4U CN204347246U (en) | 2014-12-29 | 2014-12-29 | Millimeter speed-measuring radar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420847846.4U CN204347246U (en) | 2014-12-29 | 2014-12-29 | Millimeter speed-measuring radar |
Publications (1)
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CN204347246U true CN204347246U (en) | 2015-05-20 |
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Family Applications (1)
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CN201420847846.4U Expired - Fee Related CN204347246U (en) | 2014-12-29 | 2014-12-29 | Millimeter speed-measuring radar |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105807279A (en) * | 2014-12-29 | 2016-07-27 | 南京理工大学常熟研究院有限公司 | Millimeter-wave speed measuring radar |
CN106440973A (en) * | 2016-09-07 | 2017-02-22 | 南京理工大学 | Portable distribution type velocity-measuring system for networking rocket sled test |
CN108919273A (en) * | 2018-03-28 | 2018-11-30 | 成都国恒空间技术工程有限公司 | A kind of distance detection system and method |
-
2014
- 2014-12-29 CN CN201420847846.4U patent/CN204347246U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105807279A (en) * | 2014-12-29 | 2016-07-27 | 南京理工大学常熟研究院有限公司 | Millimeter-wave speed measuring radar |
CN106440973A (en) * | 2016-09-07 | 2017-02-22 | 南京理工大学 | Portable distribution type velocity-measuring system for networking rocket sled test |
CN106440973B (en) * | 2016-09-07 | 2019-05-07 | 南京理工大学 | Portable distributed networking rocket sled test velocity-measuring system |
CN108919273A (en) * | 2018-03-28 | 2018-11-30 | 成都国恒空间技术工程有限公司 | A kind of distance detection system and method |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20191229 |
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CF01 | Termination of patent right due to non-payment of annual fee |