CN108663660A - A kind of folding portable radar - Google Patents

A kind of folding portable radar Download PDF

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Publication number
CN108663660A
CN108663660A CN201810605589.6A CN201810605589A CN108663660A CN 108663660 A CN108663660 A CN 108663660A CN 201810605589 A CN201810605589 A CN 201810605589A CN 108663660 A CN108663660 A CN 108663660A
Authority
CN
China
Prior art keywords
compartment
hinged
fixedly connected
turntable
push plate
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.)
Pending
Application number
CN201810605589.6A
Other languages
Chinese (zh)
Inventor
夏森
陈大龙
黄耀
操瑞
谢荣婷
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.)
Anhui Nicola Electronic Technology Co Ltd
Original Assignee
Anhui Nicola Electronic 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 Anhui Nicola Electronic Technology Co Ltd filed Critical Anhui Nicola Electronic Technology Co Ltd
Priority to CN201810605589.6A priority Critical patent/CN108663660A/en
Publication of CN108663660A publication Critical patent/CN108663660A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

The invention discloses a kind of folding portable radars, the traction locomotive being connect including compartment and with compartment, the internal slide in the compartment is connected with horizontally disposed push plate, the bottom of push plate is equipped with elevating mechanism, turntable is installed at the top of push plate, radar ontology is installed at the top of turntable, the both sides of turntable are equipped with the fixed link being fixedly connected with push plate top, motion bar is hinged at the top of fixed link, sliding block is hinged at the top of motion bar, the one end of sliding block far from motion bar slidably connects side cover plate, the bottom of side cover plate offers the sliding slot being arranged along its length, radar ontology includes the fixed reflection surface for the arc-shaped structure being fixedly connected with turntable.The configuration of the present invention is simple is easy to operate, and the radar of interior is made so that side cover plate is unfolded when being promoted, while being accordion structure by Radar Design, and saving space convenient for collecting is convenient for carrying transport.

Description

A kind of folding portable radar
Technical field
The present invention relates to Radar Technology field more particularly to a kind of folding portable radars.
Background technology
Radar is the transliteration of English Radar, be derived from radio detection and ranging abbreviation, look like for " Radio detection and ranging ", i.e., it finds target with the method for radio and measures their spatial position.Therefore, radar also by Referred to as " radio-positioning ".Radar is the electronic equipment using electromagnetic wave detection target.Radar emission electromagnetic wave carries out target Irradiate and receive its echo, thus to obtain the distance of target to electromagnetic emission point, range rate (radial velocity), orientation, Information, traditional radars such as height are mostly stationary structure, but with the needs used, it is desirable that radar is when in use It is easy to carry, a kind of folding portable radar is needed thus.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of folding portable thunder proposed It reaches.
To achieve the goals above, present invention employs following technical solutions:
It slides the inside of a kind of folding portable radar, including compartment and the traction locomotive that is connect with compartment, the compartment Dynamic to be connected with horizontally disposed push plate, the bottom of push plate is equipped with elevating mechanism, turntable, the top of turntable is equipped at the top of push plate Portion is equipped with radar ontology, and the both sides of turntable are equipped with the fixed link being fixedly connected with push plate top, and the top of fixed link is hinged There is motion bar, sliding block is hinged at the top of motion bar, the one end of sliding block far from motion bar slidably connects side cover plate, side cover plate Bottom offers the sliding slot being arranged along its length, and radar ontology includes the fixation for the arc-shaped structure being fixedly connected with turntable Reflecting surface, the arcuate surface of fixed reflection surface offer the holding tank being arranged along its length, the centre position installation of holding tank There are screw rod, the outer ring screw thread of screw rod to be socketed with lantern ring, the both sides of lantern ring are hinged with along the symmetrically arranged pull rod of screw rod, two groups of pull rods The one end being located remotely from each other is hinged with the link block of L-type structure, and the other end of link block is welded with the activity reflection of arc-shaped structure Face, two groups of link block sides close to each other offer the guiding groove on holding tank madial wall, and two groups of guiding grooves are mutually remote From one end offer docking groove, the internal activity of docking groove is socketed restricted bar, and limits bar and movable reflecting surface fixing sleeve It connects.
Preferably, the elevating mechanism includes the threaded rod with interior compartment side wall pivot bush unit, the outer ring screw thread of threaded rod It is socketed with pushing block, the supporting rod hinged with push plate bottom is hinged at the top of pushing block, one end of threaded rod is equipped with to be consolidated with compartment Surely the first motor connected.
Preferably, the U being fixedly connected with interior compartment side wall is installed above the side that motion bar is close to each other described in two groups The limiting plate of type structure, the lower one end bottom of side cover plate are hinged with the pedestal being fixedly connected with compartment lateral wall.
Preferably, guiding groove described in two groups is symmetrical arranged along screw rod, and docking groove is located at guiding groove in fixed reflection surface The side of concave surface, one end of screw rod are equipped with the second motor being fixedly connected with fixed reflection surface, the outer ring pivot bush unit of screw rod There is the bearing block being fixedly connected with fixed reflection surface.
Preferably, the docking groove forms wax pattern structure with guiding groove, and docking groove is respectively positioned on holding tank with guiding groove On inside top wall and bottom inside wall.
Preferably, the movable reflecting surface is consistent with the radian of fixed reflection surface, and movable reflecting surface and fixed reflection surface Inner concave be respectively positioned on the same side of fixed reflection surface.
Beneficial effects of the present invention:
Pass through the compartment of setting, push plate, elevating mechanism, fixed link, motion bar, limiting plate, side cover plate, sliding slot, turntable, thunder Up to ontology, fixed reflection surface, holding tank, screw rod, pull rod, link block, movable reflecting surface, limitation bar, guiding groove and docking groove, make The design structure simple operations are convenient and efficient, make the radar of interior so that side cover plate is unfolded when being promoted, simultaneously will Radar Design is accordion structure, and saving space convenient for collecting is convenient for carrying transport.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of folding portable radar proposed by the present invention;
Fig. 2 is a kind of structural schematic diagram of folding portable radar ontology proposed by the present invention;
Fig. 3 is a kind of side view of folding portable radar ontology proposed by the present invention.
In figure:1 compartment, 2 push plates, 3 elevating mechanisms, 4 fixed links, 5 motion bars, 6 limiting plates, 7 side cover plates, 8 sliding slots, 9 turns Disk, 10 radar ontologies, 11 fixed reflection surfaces, 12 holding tanks, 13 screw rods, 14 pull rods, 15 link blocks, 16 movable reflectings surface, 17 limits Bar processed, 18 guiding grooves, 19 docking grooves.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of folding portable radar, including compartment 1 and the traction locomotive that is connect with compartment 1, compartment 1 Internal slide be connected with horizontally disposed push plate 2, the bottom of push plate 2 is equipped with elevating mechanism 3, and the top of push plate 2 is equipped with The top of turntable 9, turntable 9 is equipped with radar ontology 10, and the both sides of turntable 9 are equipped with the fixation being fixedly connected with 2 top of push plate The top of bar 4, fixed link 4 is hinged with motion bar 5, and the top of motion bar 5 is hinged with sliding block, the one end of sliding block far from motion bar 5 Slidably connect side cover plate 7, the bottom of side cover plate 7 offers the sliding slot 8 being arranged along its length, radar ontology 10 include with The arcuate surface of the fixed reflection surface 11 for the arc-shaped structure that turntable 9 is fixedly connected, fixed reflection surface 11 offers side along its length To the holding tank 12 of setting, the centre position of holding tank 12 is equipped with screw rod 13, and the outer ring screw thread of screw rod 13 is socketed with lantern ring, set The both sides of ring are hinged with along 13 symmetrically arranged pull rod 14 of screw rod, and one end that two groups of pull rods 14 are located remotely from each other is hinged with L-type structure Link block 15, the other end of link block 15 is welded with the movable reflecting surface 16 of arc-shaped structure, and two groups of link blocks 15 mutually lean on Close side offers the guiding groove 18 on 12 madial wall of holding tank, and one end that two groups of guiding grooves 18 are located remotely from each other offers The internal activity of docking groove 19, docking groove 19 is socketed restricted bar 17, and limits bar 17 and be fixedly attached with movable reflecting surface 16.
Elevating mechanism 3 includes the threaded rod with 1 madial wall pivot bush unit of compartment, and the outer ring screw thread of threaded rod, which is socketed with, to be pushed away Block is hinged with the supporting rod hinged with 2 bottom of push plate at the top of pushing block, and one end of threaded rod is equipped with to be fixedly connected with compartment 1 First motor, two groups of motion bars 5 are equipped with the U-shaped structure being fixedly connected with 1 madial wall of compartment above side close to each other Limiting plate 6,7 lower one end bottom of side cover plate is hinged with the pedestal being fixedly connected with 1 lateral wall of compartment, two groups of guiding grooves 18 It being symmetrical arranged along screw rod 13, docking groove 19 is located at guiding groove 18 close to the side of 11 inner concave of fixed reflection surface, and the one of screw rod 13 End is equipped with the second motor being fixedly connected with fixed reflection surface 11, and the outer ring movable sleeve of screw rod 13 is connected to and fixed reflection surface 11 The bearing block being fixedly connected, docking groove 19 forms wax pattern structure with guiding groove 18, and docking groove 19 is respectively positioned on appearance with guiding groove 18 Receive slot 12 inside top wall and bottom inside wall on, movable reflecting surface 16 is consistent with the radian of fixed reflection surface 11, and living Dynamic reflecting surface 16 is respectively positioned on the same side of fixed reflection surface 11 with the inner concave of fixed reflection surface 11.
Embodiment one:
Motion bar 5 is arc-shaped structure, and the arcuate surface of two groups of motion bars 5 is located at close to each other one of two groups of motion bars 5 Side;
Embodiment two:
Transmitter, signal antenna for receiving and the letter emitted for signal is installed on the inner concave of fixed reflection surface 11 Number reception receiver;
Embodiment three:
The outer ring of turntable 9 has been fixedly attached gear ring, and the side of gear ring is engaged with gear, the bottom of gear be equipped with The motor that push plate 2 is fixedly connected.
Operation principle:When use, the first motor on the elevating mechanism 3 of 2 bottom of push plate starts, and threaded rod is driven to turn Dynamic, to make supporting rod that push plate 2 be pushed to be lifted, while push plate 2 pushes fixed link 4 to move upwards, and then pushes away motion bar 5 Dynamic side cover plate 7 rotates, to make two groups of side cover plates 7 be opened to both sides when push plate 2 rises, then on radar ontology 10 The second electric motor starting on screw rod 13 is to make lantern ring that pull rod 14 be driven to move, to which promotion activity reflecting surface 16 moves, then Movable reflecting surface 16 is moved along with guiding groove 18 to the direction of docking groove 19, and then movable reflecting surface 16 is from fixed reflection surface 11 Inside is stretched out docks with the end of fixed reflection surface 11, to which radar ontology 10 is unfolded, the design structure simple operations It is convenient and efficient, make the radar of interior so that side cover plate is unfolded when being promoted, while being accordion structure by Radar Design, Saving space convenient for collecting, is convenient for carrying transport.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of folding portable radar, including compartment (1) and the traction locomotive that is connect with compartment (1), which is characterized in that institute The internal slide for stating compartment (1) is connected with horizontally disposed push plate (2), and the bottom of push plate (2) is equipped with elevating mechanism (3), pushes away Turntable (9) is installed at the top of plate (2), radar ontology (10) is installed at the top of turntable (9), the both sides of turntable (9) are equipped with With the fixed link (4) that is fixedly connected at the top of push plate (2), motion bar (5), the top of motion bar (5) are hinged at the top of fixed link (4) Portion is hinged with sliding block, and the one end of sliding block far from motion bar (5) slidably connects side cover plate (7), and the bottom of side cover plate (7) offers The sliding slot (8) being arranged along its length, radar ontology (10) include the fixation for the arc-shaped structure being fixedly connected with turntable (9) Reflecting surface (11), the arcuate surface of fixed reflection surface (11) offer the holding tank (12) being arranged along its length, holding tank (12) centre position is equipped with screw rod (13), and the outer ring screw thread of screw rod (13) is socketed with lantern ring, and the both sides of lantern ring are hinged with edge Screw rod (13) symmetrically arranged pull rod (14), one end that two groups of pull rods (14) are located remotely from each other are hinged with the link block of L-type structure (15), the other end of link block (15) is welded with the movable reflecting surface (16) of arc-shaped structure, and two groups of link blocks (15) are mutually leaned on Close side offers the guiding groove (18) on holding tank (12) madial wall, one end that two groups of guiding grooves (18) are located remotely from each other Docking groove (19) is offered, the internal activity of docking groove (19) is socketed restricted bar (17), and limits bar (17) and reflected with activity Face (16) is fixedly attached.
2. a kind of folding portable radar according to claim 1, which is characterized in that the elevating mechanism (3) include with The outer ring screw thread of the threaded rod of compartment (1) madial wall pivot bush unit, threaded rod is socketed with pushing block, is hinged with and pushes away at the top of pushing block The hinged supporting rod in plate (2) bottom, one end of threaded rod are equipped with the first motor being fixedly connected with compartment (1).
3. a kind of folding portable radar according to claim 1, which is characterized in that motion bar (5) described in two groups is mutual The limiting plate (6) for the U-shaped structure being fixedly connected with compartment (1) madial wall is installed, side cover plate (7) is relatively low above close side One end bottom be hinged with the pedestal being fixedly connected with compartment (1) lateral wall.
4. a kind of folding portable radar according to claim 1, which is characterized in that guiding groove (18) is along spiral shell described in two groups Bar (13) is symmetrical arranged, and docking groove (19) is located at side of the guiding groove (18) close to fixed reflection surface (11) inner concave, screw rod (13) one end is equipped with the second motor being fixedly connected with fixed reflection surface (11), the outer ring movable sleeve of screw rod (13) be connected to The bearing block that fixed reflection surface (11) is fixedly connected.
5. a kind of folding portable radar according to claim 1, which is characterized in that the docking groove (19) and guiding groove (18) wax pattern structure is formed, and docking groove (19) is respectively positioned on inside top wall and the bottom of holding tank (12) with guiding groove (18) On madial wall.
6. a kind of folding portable radar according to claim 1, which is characterized in that the activity reflecting surface (16) with it is solid The radian for determining reflecting surface (11) is consistent, and movable reflecting surface (16) and the inner concave of fixed reflection surface (11) are respectively positioned on fixation reflex The same side in face (11).
CN201810605589.6A 2018-06-13 2018-06-13 A kind of folding portable radar Pending CN108663660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810605589.6A CN108663660A (en) 2018-06-13 2018-06-13 A kind of folding portable radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810605589.6A CN108663660A (en) 2018-06-13 2018-06-13 A kind of folding portable radar

Publications (1)

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CN108663660A true CN108663660A (en) 2018-10-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193443A (en) * 2019-06-05 2019-09-03 深圳市晟达机械设计有限公司 A kind of Intelligent Atomizer
CN110613514A (en) * 2019-10-24 2019-12-27 潘小雷 Anesthesia apparatus placer for anesthesia department
CN110806583A (en) * 2019-11-21 2020-02-18 武义仙合电子有限公司 Small-size weather radar device that can accomodate
CN112362166A (en) * 2020-10-30 2021-02-12 温州樱弧服装有限公司 Underwater infrared thermal imager
CN113669594A (en) * 2021-07-28 2021-11-19 武昌理工学院 Categorised collection equipment of engineering management digital photo

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070046524A1 (en) * 2003-10-19 2007-03-01 Rafael Armament Development Authority Ltd. Parachuted radar decoy
CN104111453A (en) * 2014-07-03 2014-10-22 武汉滨湖电子有限责任公司 Wall-through detection radar capable of being handheld by single person
CN104143696A (en) * 2014-07-31 2014-11-12 西安电子科技大学 Method for electrode of satellite-borne electrostatic forming membrane reflector unfolding antenna
US20150123850A1 (en) * 2015-01-08 2015-05-07 Caterpillar Inc. Radar sensor assembly for machine
CN204526945U (en) * 2015-01-22 2015-08-05 成都锦江电子系统工程有限公司 A kind of lifting mode movable radar car
CN205039229U (en) * 2015-10-19 2016-02-17 河北创联机械制造有限公司 Drive arrangement of folding radar antenna
US20160103007A1 (en) * 2014-10-14 2016-04-14 Rosemount Tank Radar Ab Radar level gauge with foldable probe
CN106785311A (en) * 2017-02-23 2017-05-31 哈尔滨工业大学 Space based radar Foldable exhibition opens antenna reflective face folding exhibition structure
EP3222531A1 (en) * 2014-11-18 2017-09-27 Kawasaki Jukogyo Kabushiki Kaisha Radar satellite and radar satellite system using same
CN107416535A (en) * 2017-07-14 2017-12-01 滁州鸿博自动化设备有限公司 A kind of automatic unstacker of combined type being readily transported
CN206788360U (en) * 2017-06-26 2017-12-22 杭州来涞科技有限公司 A kind of fixed installation formula radar meter
CN108041946A (en) * 2018-01-29 2018-05-18 汪从利 A kind of novel clothes hanger

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070046524A1 (en) * 2003-10-19 2007-03-01 Rafael Armament Development Authority Ltd. Parachuted radar decoy
CN104111453A (en) * 2014-07-03 2014-10-22 武汉滨湖电子有限责任公司 Wall-through detection radar capable of being handheld by single person
CN104143696A (en) * 2014-07-31 2014-11-12 西安电子科技大学 Method for electrode of satellite-borne electrostatic forming membrane reflector unfolding antenna
US20160103007A1 (en) * 2014-10-14 2016-04-14 Rosemount Tank Radar Ab Radar level gauge with foldable probe
CN105737941A (en) * 2014-10-14 2016-07-06 罗斯蒙特储罐雷达股份公司 Radar level gauge with foldable probe
EP3222531A1 (en) * 2014-11-18 2017-09-27 Kawasaki Jukogyo Kabushiki Kaisha Radar satellite and radar satellite system using same
US20150123850A1 (en) * 2015-01-08 2015-05-07 Caterpillar Inc. Radar sensor assembly for machine
CN205353352U (en) * 2015-01-08 2016-06-29 卡特彼勒公司 Radar sensor subassembly
CN204526945U (en) * 2015-01-22 2015-08-05 成都锦江电子系统工程有限公司 A kind of lifting mode movable radar car
CN205039229U (en) * 2015-10-19 2016-02-17 河北创联机械制造有限公司 Drive arrangement of folding radar antenna
CN106785311A (en) * 2017-02-23 2017-05-31 哈尔滨工业大学 Space based radar Foldable exhibition opens antenna reflective face folding exhibition structure
CN206788360U (en) * 2017-06-26 2017-12-22 杭州来涞科技有限公司 A kind of fixed installation formula radar meter
CN107416535A (en) * 2017-07-14 2017-12-01 滁州鸿博自动化设备有限公司 A kind of automatic unstacker of combined type being readily transported
CN108041946A (en) * 2018-01-29 2018-05-18 汪从利 A kind of novel clothes hanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
严诺: "一种VHF/L双波段共口径天线结构设计", 《电子机械工程》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110193443A (en) * 2019-06-05 2019-09-03 深圳市晟达机械设计有限公司 A kind of Intelligent Atomizer
CN110613514A (en) * 2019-10-24 2019-12-27 潘小雷 Anesthesia apparatus placer for anesthesia department
CN110806583A (en) * 2019-11-21 2020-02-18 武义仙合电子有限公司 Small-size weather radar device that can accomodate
CN112362166A (en) * 2020-10-30 2021-02-12 温州樱弧服装有限公司 Underwater infrared thermal imager
CN113669594A (en) * 2021-07-28 2021-11-19 武昌理工学院 Categorised collection equipment of engineering management digital photo

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