CN108767419A - Exterior aerial protective device - Google Patents
Exterior aerial protective device Download PDFInfo
- Publication number
- CN108767419A CN108767419A CN201810655937.0A CN201810655937A CN108767419A CN 108767419 A CN108767419 A CN 108767419A CN 201810655937 A CN201810655937 A CN 201810655937A CN 108767419 A CN108767419 A CN 108767419A
- Authority
- CN
- China
- Prior art keywords
- protective device
- block
- moving assembly
- protective
- exterior aerial
- 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.)
- Granted
Links
- 230000001681 protective Effects 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims 1
- 230000002633 protecting Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 14
- 238000000354 decomposition reaction Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 229910004682 ON-OFF Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
Abstract
Exterior aerial protective device, including pedestal, the lifting gear on pedestal, the antenna body on lifting gear, the protective device on antenna body, wherein：The lifting gear includes the column being set on pedestal and the lifting circle being set on the column, and the column is equipped with rack setting up and down, and the lifting circle is equipped with the gear by motor-driven rotation, wheel and rack engagement；The antenna body includes mast and director, oscillator, reflector set on the mast both sides, and the antenna body rotation is set on lifting circle.Protective device in the present invention can be unfolded to protect the structures such as the oscillator on antenna body, long lifespan in bad weather conditions.
Description
Technical field
The invention belongs to exterior aerial fields, and in particular to a kind of exterior aerial protective device.
Background technology
Antenna be it is a kind of be used for emitting or receiving the device of electromagnetic wave, every equipment for using electromagnetic waves to transmit information,
Such as TV, broadcast, radio communication, radar, navigation etc., antenna is depended on to work, and exterior aerial is antenna
One kind, such as outdoor television antenna, volume is relatively large, is generally all installed on outside building, such as outside roof, wall.
In general, exterior aerial once installs cannot move again substantially, need entirety when a failure occurs
It takes off and repairs, it is cumbersome.Meanwhile the oscillator structure on antenna is more fragile, is easy by damages such as hard object, high wind,
Also the rare protection mechanism for solving the problems, such as this in the prior art.
Therefore, for some of the above problem, the present invention carries out the protective device in exterior aerial in the prior art
Further design and improvement.
Invention content
For the above deficiency in the prior art, the present invention provides exterior aerial protective devices, can easily carry out
The adjusting of antenna height, while it being additionally provided with oscillator protective device, good safeguard function can be played to oscillator when necessary.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals.
Exterior aerial protective device, the protective device include protective jacket component, moving assembly and drive component, described anti-
Jacket assembly is set to the side of antenna body, and the protective jacket component can flex outward, to director or oscillator or instead after stretching, extension
Emitter plays protective action；The moving assembly can pass through protective jacket component, the movement when moving and moving on antenna body
Main body is equipped with lateral push rod, which can push protective jacket component to flex outward；The driving component is moved for driving
The movement of dynamic component, which includes driving motor, and screw rod, the screw rod are connected in the rotation axis of the driving motor
The screw hole with its screw-thread fit on moving assembly drives moving assembly movement when the screw rod rotates.
In the present invention, drive component drives the movement of moving assembly, by horizontal on the movement of moving assembly and moving assembly
Action to push rod can push protective jacket component to extend outwardly successively, and protective jacket component is made to cover director or oscillator or anti-
Emitter plays the role of protecting antenna well, be particularly suitable in the bad weathers such as hail, blast.
Preferably, in protective device, the protective jacket component includes and side block blocks being fixed with mutual set in the side block blocks
The upper stopper group connect is additionally provided with the spring that one end is connected with the side wall of mast in side block blocks, is additionally provided with framework in side block blocks, draws
It is through in the framework to device or oscillator or reflector, and the side block blocks are equipped with the whereabouts block that can be fallen.In the structure, on
Block group can flex outward under the action of lateral push rod, envelope director or oscillator or reflector, certain when being stretched over
When position, whereabouts block receives gravity fall, and block gear in whereabouts is realized anti-in the outer end of director or oscillator or reflector at this time
Fixation after protection unit expansion, director or oscillator or reflector is enveloped, while spring is in tensional state.When needing to receive
When holding together, antenna body rotates 180 °, and then lateral push rod is slightly toward extrapolating, then whereabouts block under the effect of gravity under
It falls, director or oscillator or reflector can be through in framework at this time, and after lateral Push rod hand cart is gone, upper stopper group and side block blocks are in spring
Under the action of return.
Preferably, in protective device, the framework is equipped with the lower low water for accommodating whereabouts block, when whereabouts block
Rear enclosed in lower low water or the through-hole in partially enclosed framework are entered, block gear in whereabouts is in director or oscillator or reflection at this time
The outer end of device realizes the fixation after protective device expansion, director or oscillator or reflector is enveloped.
Preferably, in protective device, the moving assembly includes jacking block, and the cross that can be stretched out to both sides is equipped in the jacking block
To push rod, which is driven by hydraulic cylinder or cylinder；The lower end of the jacking block is equipped with the link block extending into cavity, should
Link block is equipped with screw hole.
Preferably, in protective device, the both sides of the link block are equipped with the raised line for reducing friction resistance of protrusion,
The raised line is contacted with the two side of cavity, and raised line can be smooth plastic material, frictional resistance when reducing mobile.
Compared with prior art, the invention has the advantages that：A kind of exterior aerial protective device is provided, it can be with
The structures such as the oscillator on the antenna body of expansion protection in bad weather conditions, long lifespan.
Description of the drawings
Fig. 1 is the schematic diagram of the working condition of the exterior aerial in the present invention.
Fig. 2 is the schematic diagram after the exterior aerial in the present invention turns an angle.
Fig. 3 is the schematic diagram after the antenna body of the exterior aerial in the present invention declines.
Fig. 4 is the schematic diagram after the exterior aerial protective device in the present invention is opened.
Fig. 5 is the enlarged drawing of a-quadrant in Fig. 3.
Fig. 6 is the decomposition diagram of the pedestal and lifting gear in the present invention.
Fig. 7 is the decomposition diagram of the antenna body in the present invention.
Fig. 8 is the enlarged drawing of B area in Fig. 7.
Fig. 9 is the decomposition diagram one of the moving assembly in exterior aerial in the present invention.
Figure 10 is the decomposition diagram two of the moving assembly in exterior aerial in the present invention.
Figure 11 is the decomposition diagram one of the protective device in the present invention.
Figure 12 is the decomposition diagram two of the protective device in the present invention.
Figure 13 is the decomposition diagram three of the protective device in the present invention.
Figure 14 is the decomposition diagram four of the protective device in the present invention.
Figure 15 is the assembling schematic diagram of the antenna body and protective device in the present invention.
Figure 16 is the enlarged drawing in the regions C in Figure 15.
Figure 17 is the assembling schematic diagram of the exterior aerial in the present invention.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings.
Referring to figs. 1 to Figure 17, the exterior aerial involved in the present invention, including pedestal 1, the lifting gear on pedestal 1,
Antenna body 4 on lifting gear, the protective device on antenna body 4, wherein above device specifically have with
Under structure feature.
Lifting gear, as shown in fig. 6, the lifting gear includes the column 2 being set on pedestal 1 and is set in the column 2
On lifting circle 3, the column 2 is equipped with rack 25 setting up and down, and lifting circle 3 is equipped with by the driving rotation of motor 31
Gear 32, which engages with rack 25.Specifically, the side of the column 2 is equipped with the rach slot 21 being vertically arranged, institute
It states rack 25 and is placed in realization fixation in the rach slot 21, such as：It is fixed with bolt by the screw hole 22,26 of alignment.It is described
The side of lifting circle 3 is equipped with gear installation cavity, and gear 32 is installed on wherein, and motor 31 is set to the side use of the gear installation cavity
It is rotated in driving gear 32, meanwhile, which is equipped with antenna electrical 33, the specific outside for being set to gear installation cavity
On wall, the end of the antenna electrical 33 and antenna body 4 is keyed and for driving antenna body 4 to rotate, can also use it
He increases bonding strength by additional structure, such as buckle-type rotation connection structure or telescopic rotation connection structure.
Antenna body, as shown in fig. 7, the antenna body 4 includes mast 41 and drawing set on 41 both sides of mast
To device 42, oscillator 43, reflector 44, these directors 42, oscillator 43, reflector 44 are respectively from the side opening of 41 both sides of mast
It is pierced by 413, the both sides of mast 41 are additionally provided with spring fixed hole 414, and the rotation of the antenna body 4 is set on lifting circle 3；
Cavity 411 is equipped in the mast 41, the driving component and partial movement component 5 are placed in the cavity 411.Specifically,
One end of mast 41 is fixed with end-cap assembly 45, which is fixed with drive component, the end cap group
The side of part 45 outwardly and the shaft 331 of the antenna electrical 33 on lifting circle 3 are keyed.
Protective device, as shown in figure 15, the protective device include protective jacket component 6, moving assembly 5 and drive component.
The protective jacket component 6 is set to the side of antenna body 4, and the protective jacket component 6 can flex outward, to director 42 after stretching, extension
Or oscillator 43 or reflector 44 play protective action；By anti-when the moving assembly 5 can be moved and be moved on antenna body 4
Jacket assembly 6, the movement main body 5 are equipped with lateral push rod 52, which can push protective jacket component 6 to flex outward；
It includes being set to the side of end-cap assembly 45 inwardly that the driving component, which is used to drive the movement of moving assembly 5, the drive component,
Fixed block 47, which is equipped with driving motor 46, screw rod 48 is connected in the rotation axis of the driving motor 46, described
Screw rod 48 passes through the screw hole 531 with its screw-thread fit on moving assembly 5, drives moving assembly 5 to move when the screw rod 48 rotates
It is dynamic.
Specifically, as illustrated in figs. 11-14, in protective device, the protective jacket component 6 includes and side block blocks 61, the side block
Be fixed with the upper stopper group 62 being mutually socketed on block 61,63,64, be additionally provided in side block blocks 61 one end on the side wall of mast 41
The connected spring 67 of spring fixed hole 414, be additionally provided with framework 65 in side block blocks 61, director 42, oscillator 43, reflector 44 divide
It is not through in the framework 65 of corresponding protective device, and the side block blocks 61 are equipped with the whereabouts block 66 that can be fallen, and
And the framework 65 is equipped with the lower low water 651 for accommodating whereabouts block 66, when whereabouts block 66 enters lower low water 651
Through-hole on middle rear enclosed or partially enclosed framework 65.In addition, the bottom of one piece of block of outermost of upper stopper group 62,63,64
Equipped with fin 641, which is placed in the guiding groove 416 at 41 top of mast, realizes guiding when relative movement and determines
Position, the end for being oriented to groove 416 also have anti-drop block.In addition, as shown in figure 5, in present embodiment, protective jacket component 6 may be used also
To be provided with telescopic 69（The square box or flexible concertina set such as to connect together）, 69 one end of telescopic and side block blocks 61
It is connected, other end side opening 413 is connected, and can stretch with the movement of side block blocks 61, protects the structures such as oscillator well.
In addition, as shown in Fig. 7,9,10, in protective device, the moving assembly 5 includes jacking block 51, is equipped in the jacking block 51
The lateral push rod 52 that can be stretched out to both sides, the transverse direction push rod 52 are driven by hydraulic cylinder or cylinder；The lower end of the jacking block 51 is equipped with
The link block 53 extending into cavity 411, which is equipped with screw hole 531, in addition, the both sides of the link block 53 are equipped with
The raised line 532 for reducing friction resistance of protrusion, the raised line 532 are contacted with the two side of cavity 411, and raised line 532 can be
Smooth plastic material or polytetrafluoroethylene (PTFE) material.In the structure, the rotation of driving motor 46 drives screw rod 48 to rotate, then band
The movement of the link block 53 of screw-thread fit on dynamic screw rod 48, and then jacking block 51 is made to move；Rotating and reverse for driving motor 46 can
To control moving direction.
If the connection relation in the present invention between some elements is all conventional key connection, screw thread without specified otherwise
Connection, screw connection, welding etc., and are additionally provided with conventional antenna electronics module on antenna, including signal receiver, amplifier,
Converter etc., each power structure in the present invention, such as motor, hydraulic part, cylinder are conventional mechanical device, all pass through electricity
Line, which is linked into power grid, realizes work.And these are also all conventional knot with the control mode, connection type, on-off mode of electric device
Structure.In the present invention, the power units such as each motor, hydraulic part on antenna are controlled by being placed on indoor controller, behaviour
Make and control mode is conventional automatically controlled mode.
Specifically, when work, exterior aerial in the application is placed on roof or other spacious places, after being powered on,
31 rotation driven gear 32 of motor rotation in lifting gear, drives lifting circle 3 to move up and down along rack 25, and then realize day
The position of line main body 4 adjusts, and facilitates installation and maintenance.
When normal work, protective device is in rounding state, as shown in Figure 1, outside director 42, oscillator 43, reflector 44
Dew is for receiving signal.When encounter bad weather need start safeguard function when, can pass through controller control protective device work
Make, it is specific as follows.
Original state, the first hydraulic stem 48, the second hydraulic stem 47, third hydraulic stem 46 are respectively positioned on outer end extreme position, i.e.,
Moving assembly 5 is located at the outermost end of antenna body 4, and lateral push rod 52 is located at 51 inside extreme position of top plate, protective jacket group at this time
Part 6 is in contraction state, and 67 non-stress of spring, whereabouts block 66 is interior positioned at upper end extreme position in side block blocks 61 at this time, falls
Block 66 director 42, oscillator 43, reflector 44 support under can not move down.
When encountering bad weather, controller controls drive component and starts, and the rotation of driving motor 46 drives screw rod 48 to rotate,
And then top plate 51 is driven to move, on the inclined-plane of 51 front end of top plate under the inclined-plane interaction of 64 side of block, block 64 is pushed up
Plate 51 is pushed to outer end extreme position, and when top plate 51 is moved to 64 medium position of block, driving motor 46 stops movement, then
Two lateral push rods 52 are stretched out to both sides, are driven upper stopper group 62,63,64 to be expanded to lateral limit position, in the process, are stretched
69 elongation of contracting set, spring 67 extends stress, and when upper stopper group is expanded to lateral limit position, the entirety of protective jacket component 6 is long
Degree is more than the length of 42/ oscillator of director, 43/ reflector 44, and side block blocks 61 and 42/ oscillator of director, 43/ reflector 44 be not at this time
It contacts again, whereabouts block 66 is moved down by gravity, and then transverse direction push rod 52 resets, effect of the protective jacket component 6 in spring 67
After lower retraction a distance, whereabouts block 66 is contacted with 42/ oscillator of director, 43/ reflector 44 so that whereabouts block 66 can not
Return, and during whereabouts block 66 is displaced outwardly, the dirts such as sundries accumulated on 42/ oscillator of director, 43/ reflector 44
Dirt is wiped by whereabouts block 66；Then the work of driving motor 46 continues that moving assembly 5 is driven to move, when moving assembly 5 moves
To next protective jacket component 6 medium position when, repeat above-mentioned action；Outside all protective jacket components 6 have been moved into
Side pole extreme position, i.e. director 42, oscillator 43, reflector 44 are in protection state, and in the state of protection, and side block blocks 61 are equal
It is not in outer end extreme position.
When bad weather past tense, rotary electric machine starts, and antenna body 4 rotates 180 degree, and lateral push rod 52 starts,
Lateral push rod 52 pushes side block blocks 61 to be moved to outer end extreme position, and whereabouts block 66 is reflected with 42/ oscillator 43/ of director at this time
Device 44 disengages, and whereabouts block 66 is moved under gravity in 61 interior grooves of side block blocks, then transverse direction push rod 52
It resets, protective jacket component 6 is moved to inside extreme position under the action of spring 67, and spring 67 is still in tension shape at this time
State, the rotation of driving motor 46 drive screw rod 48 to rotate, as moving assembly 5 removes 6 position of protective jacket component, protective jacket group
Part 6 resets under the action of spring 67, and spring 67 does not stress at this time；When moving assembly 5 is moved to lateral limit position, own
Protective jacket component 6 resetted, subsequent rotary electric machine resets, and antenna is driven to turn round 180 degree.
In working condition, antenna body 4 can be driven to rotate by antenna electrical 33 so that antenna body 4 can receive
The signal that different directions transmit.When antenna body 4 needs repairing, motor 31 starts so that antenna body 4 moves down, with side
Just worker repairs.
The above can be unfolded to protect in bad weather conditions the present invention provides a kind of exterior aerial protective device
Protect the structures such as the oscillator on antenna body, long lifespan.
Protection scope of the present invention includes but not limited to embodiment of above, and protection scope of the present invention is with claims
Subject to, any replacement being readily apparent that those skilled in the art that this technology is made, deformation, improvement each fall within the present invention's
Protection domain.
Claims (5)
1. exterior aerial protective device, which is characterized in that the protective device includes protective jacket component（6）, moving assembly（5）With
Drive component, the protective jacket component（6）Set on antenna body（4）Side, and the protective jacket component（6）It can flex outward,
To director after stretching, extension（42）Or oscillator（43）Or reflector（44）Play protective action；The moving assembly（5）It can be in antenna
Main body（4）Upper movement and pass through protective jacket component when moving（6）, the movement main body（5）It is equipped with lateral push rod（52）, the transverse direction
Push rod（52）Protective jacket component can be pushed（6）It flexes outward；The driving component is for driving moving assembly（5）Movement, should
Drive component includes driving motor（46）, the driving motor（46）Rotation axis on be connected with screw rod（48）, the screw rod
（48）Across moving assembly（5）On the screw hole with its screw-thread fit（531）, the screw rod（48）Moving assembly is driven when rotation
（5）It is mobile.
2. exterior aerial protective device according to claim 1, which is characterized in that in protective device, the protective jacket group
Part（6）Including with side block blocks（61）, the side block blocks（61）On be fixed with the upper stopper group being mutually socketed（62,63,64）, side block blocks
（61）On be additionally provided with one end and mast（41）The connected spring of side wall（67）, side block blocks（61）On be additionally provided with framework（65）,
Director（42）Or oscillator（43）Or reflector（44）It is through at the framework（65）In, and the side block blocks（61）Being equipped with can fall
Whereabouts block（66）.
3. exterior aerial protective device according to claim 2, which is characterized in that in protective device, the framework（65）
It is equipped with for accommodating whereabouts block（66）Lower low water（651）, when whereabouts block（66）Enter lower low water（651）In after envelope
It closes or partially enclosed framework（65）On through-hole.
4. exterior aerial protective device according to claim 1, which is characterized in that in protective device, the moving assembly
（5）Including jacking block（51）, the jacking block（51）In be equipped with can to both sides stretch out lateral push rod（52）, the transverse direction push rod（52）By liquid
Cylinder pressure or cylinder driving；The jacking block（51）Lower end be equipped with extend into cavity（411）In link block（53）, the link block
（53）It is equipped with screw hole（531）.
5. exterior aerial protective device according to claim 9, which is characterized in that in protective device, the link block
（53）Both sides be equipped with protrusion the raised line for reducing friction resistance（532）, the raised line（532）With cavity（411）Both sides
Wall contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655937.0A CN108767419B (en) | 2018-06-23 | 2018-06-23 | Outdoor antenna protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655937.0A CN108767419B (en) | 2018-06-23 | 2018-06-23 | Outdoor antenna protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108767419A true CN108767419A (en) | 2018-11-06 |
| CN108767419B CN108767419B (en) | 2020-06-02 |
Family
ID=63976464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810655937.0A Active CN108767419B (en) | 2018-06-23 | 2018-06-23 | Outdoor antenna protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108767419B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097686A (en) * | 2021-04-02 | 2021-07-09 | 南京航空航天大学 | ADS-B receiver antenna device based on severe environment application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2403136Y (en) * | 2000-01-11 | 2000-10-25 | 王真林 | Antenna |
| US20110163931A1 (en) * | 2007-08-16 | 2011-07-07 | Jinbo Wu | Slot-fed yagi aerial |
| CN102646867A (en) * | 2012-04-24 | 2012-08-22 | 中电科微波通信(上海)有限公司 | Antenna protective cover |
| CN204857932U (en) * | 2015-07-07 | 2015-12-09 | 常州市诚天电子有限公司 | Outdoor television antenna of anti -wind ability reinforce |
| CN107171051A (en) * | 2017-05-16 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of antenna for cold district |
-
2018
- 2018-06-23 CN CN201810655937.0A patent/CN108767419B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2403136Y (en) * | 2000-01-11 | 2000-10-25 | 王真林 | Antenna |
| US20110163931A1 (en) * | 2007-08-16 | 2011-07-07 | Jinbo Wu | Slot-fed yagi aerial |
| CN102646867A (en) * | 2012-04-24 | 2012-08-22 | 中电科微波通信(上海)有限公司 | Antenna protective cover |
| CN204857932U (en) * | 2015-07-07 | 2015-12-09 | 常州市诚天电子有限公司 | Outdoor television antenna of anti -wind ability reinforce |
| CN107171051A (en) * | 2017-05-16 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of antenna for cold district |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097686A (en) * | 2021-04-02 | 2021-07-09 | 南京航空航天大学 | ADS-B receiver antenna device based on severe environment application |
| CN113097686B (en) * | 2021-04-02 | 2022-03-04 | 南京航空航天大学 | ADS-B receiver antenna device based on severe environment application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108767419B (en) | 2020-06-02 |
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Effective date of registration: 20200508 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Address before: 311106 Room 806, 2 International Building, Qianjiang International Building, Qianjiang Economic Development Zone, Yuhang District, Hangzhou, Zhejiang Applicant before: HANGZHOU QIANMAO HEALTH FOOD Co.,Ltd. |
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