CN110534862A - A kind of parabola antenna snow removal system of stripe shape spray wind - Google Patents
A kind of parabola antenna snow removal system of stripe shape spray wind Download PDFInfo
- Publication number
- CN110534862A CN110534862A CN201910890334.3A CN201910890334A CN110534862A CN 110534862 A CN110534862 A CN 110534862A CN 201910890334 A CN201910890334 A CN 201910890334A CN 110534862 A CN110534862 A CN 110534862A
- Authority
- CN
- China
- Prior art keywords
- arcuate tube
- parabola antenna
- wind
- spray
- mobile platform
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1235—Collapsible supports; Means for erecting a rigid antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
Abstract
The invention discloses a kind of parabola antenna snow removal systems of stripe shape spray wind, including air-heater, air hose, arcuate tube, spray public attention, bracket, mobile platform, control module, management terminal；The air hose, is segmented conduit, every section of adjacent 2 arcuate tube of connection and scalable at S type；The arcuate tube, including arc section, straightway, reflection bar are laid with along parabola antenna reflecting surface；Described spray public attention is located on arcuate tube, each arcuate tube at least one, sprays high-pressure hot wind from the top down along the tangent line of parabola antenna reflecting surface, spray public attention sprays fan-shaped hot wind snow removing；The mobile platform, including chassis, motor wheel, three-dimensional perspective sensor, supporting module；The supporting module, including rotating electric machine, electric drive hydraulic thruster, support leg.The present invention realizes a kind of safe and reliable, efficient, energy-efficient parabola antenna snow removal system.
Description
Technical field
The present invention relates to parabola antenna snow-clearing technique fields, and in particular to a kind of parabola antenna snow removing of stripe shape spray wind
System.
Background technique
The transmission and reception of satellite and microwave signal generally use parabola antenna.It snows and will affect the work of parabola antenna
Make efficiency, removing accumulated snow to parabola antenna is a necessary job.Because the time of snowing is long, parabola antenna snow removing needs continuous
It carries out, generally manual operation, but time-consuming and laborious, continuously removes the snow for a long time ineffective, be also easy to damage antenna or make antenna
It is displaced.Therefore, it is necessary to one kind not only can efficiently remove the snow, but also not influence the parabola antenna of parabola antenna receiving and transmitting signal quality
Snow removal system.
Summary of the invention
The purpose of the present invention is to provide one kind not only can efficiently remove the snow, but also does not influence parabola antenna receiving and transmitting signal quality
Parabola antenna snow removal system, it is of the existing technology to solve the problems, such as.
The technical problems to be solved by the invention are realized using following technical scheme:
A kind of parabola antenna snow removal system of stripe shape spray wind, including air-heater, air hose, arcuate tube, spray public attention, bracket, movement
Platform, control module, management terminal.
The air-heater is sequentially connected air hose, arcuate tube, spray public attention, and air-heater and air hose are with damping and electrical isolation side
Formula connection, there is forced air, and hot wind enters arcuate tube through air hose, sprays through arcuate tube from spray public attention.
The air hose and arcuate tube are made of high-intensitive, material resistant to high temperature;
The air hose, is segmented conduit, every section of adjacent 2 arcuate tube of connection and scalable at S type, reserves redundant length, works as throwing
The inclination angle of object plane antenna reflective face Extensible when changing in from level to vertical angular range adapts to and and arcuate tube
Keep securely connection.
The arcuate tube is arch pipeline, including arc section, straightway, reflection bar, and it is straight line that centre, which is arc section both ends,
Section, is laid with along parabola antenna reflecting surface by least 2.
The arc section, close to parabola antenna reflecting surface.
The straightway, each arcuate tube both ends respectively have 1, stretch out parabola antenna and rack-mount,
The reflection bar is mounted on circular arc section surface, is a part of parabolic shape, with parabola antenna reflecting surface with burnt
Point.
The bracket, on a mobile platform, adjustable length is under control module control to adapt to parabola antenna for installation
Reflecting face adjustment.
Described spray public attention, be located at arcuate tube on, each arcuate tube at least one, along parabola antenna reflecting surface tangent line from
Upper spray high-pressure hot wind downwards, spray public attention spray fan-shaped hot wind, adjust the maximum that wind-warm syndrome makes hot wind reach parabola antenna reflecting surface
Wind-warm syndrome is less than antenna maximum high temperature resistant value, and pressure tends to 0 when adjusting wind pressure makes the hot wind sprayed reach the arcuate tube of adjacent lower section,
The high-pressure hot wind that all spray public attention spray can cover entire parabola antenna reflecting surface, based on high temperature snow melt, wind-force immediately
Supplemented by snow removing.
The mobile platform, including chassis, motor wheel, three-dimensional perspective sensor, supporting module.
The motor wheel has 4, is fixed on chassis quadrangle, keeps mobile platform mobile under control module control.
The supporting module has 4, is fixed on chassis quadrangle, including rotating electric machine, electric drive hydraulic thruster, support leg, rotation
Rotating motor is fixed on chassis and connects electric drive hydraulic thruster and is allowed to rotate folding and unfolding, and electric drive hydraulic thruster lower end connects support leg,
Support leg is up-narrow and down-wide structure and bottom has fixing glue to protrude into underground, and supporting module makes mobile platform under control module control
It is fixed.
The control module, controls the switching on and shutting down and PID power regulation of air-heater, and control motor wheel moves mobile platform
It is dynamic, tri- direction inclination value of mobile platform XYZ is obtained from three-dimensional perspective sensor and controls rotating electric machine, electric drive hydraulic thruster adjustment
Support placement of foot to fixed mobile platform.
The management terminal is one of computer, mobile phone, plate, carries out network communication with control module, communication network is string
One of mouth network, fieldbus networks, local area network, internet, 4G network, 5G network, 6G network pass through control module and obtain system
System state and control air-heater, adsorption module, mobile platform.
Remarkable result of the invention is:
The arcuate tube is arch pipeline, including arc section, straightway, reflection bar, and it is straightway that centre, which is arc section both ends,
It at least 2, is laid with along parabola antenna reflecting surface.The arc section, close to parabola antenna reflecting surface.The straight line
Section, each arcuate tube both ends respectively have 1, stretch out parabola antenna and rack-mount.Described spray public attention is located at arcuate tube
On, each arcuate tube at least one sprays high-pressure hot wind along the tangent line of parabola antenna reflecting surface from the top down, and spray public attention sprays fan
Shape hot wind, the maximum wind-warm syndrome that adjusting wind-warm syndrome makes hot wind reach parabola antenna reflecting surface are less than antenna maximum high temperature resistant value, adjust
Pressure tends to 0 when wind pressure makes the hot wind sprayed reach the arcuate tube of adjacent lower section, and the high-pressure hot wind that all spray public attention spray can
Immediately entire parabola antenna reflecting surface is covered, based on high temperature snow melt, supplemented by wind-force snow removing.The structure, first is that each arch
As long as the spray wind distance of spray public attention on pipe reaches the arcuate tube of adjacent lower section, for spray wind apart from short, the air-heater power needed is low,
Realize energy conservation.Second is that the high-pressure hot wind that all spray public attention spray can cover entire parabola antenna reflecting surface immediately, in paraboloid
Antenna reflective face forms continuous wind-force from top to bottom and instant snow melt, based on high temperature snow melt, supplemented by wind-force snow removing, will not make
Snowflake flashes and falls to form secondary accumulation, and efficiency of cleaning snow is high.Third is that wind pressure and wind-warm syndrome accurately control, realization avoids lasting height
It presses the impact force of hot wind and high temperature to keep parabola antenna distorted reflector impaired, influences aerial signal transmitting-receiving precision.
Reflection bar is mounted on the circular arc section surface of arcuate tube, is a part of parabolic shape, reflects with parabola antenna
The same focus in face.Although arc section blocks parabola antenna reflecting surface, reflection bar supplements reflecting surface of the same area, whole
Body is on parabola antenna signal transmitting and receiving precision without influence.
Mobile platform includes chassis, motor wheel, three-dimensional perspective sensor, supporting module, and system is removable to fix, just
Yu Wuxue season is put in storage storage and maintenance, is also convenient for snowy season outbound and uses, and when failure can also directly be replaced with standby system,
It does not influence continuously to remove the snow.
The mobile platform, including chassis, motor wheel, three-dimensional perspective sensor, supporting module.The supporting module, there is 4
It is a, it is fixed on chassis quadrangle, including rotating electric machine, electric drive hydraulic thruster, support leg, rotating electric machine is fixed on chassis and connects
Electric drive hydraulic thruster is allowed to rotate folding and unfolding, and electric drive hydraulic thruster lower end connects support leg, and support leg is up-narrow and down-wide structure and bottom
Portion has fixing glue to protrude into underground, and supporting module fixes mobile platform under control module control.The structures under wind performance is strong.
Management terminal is connected to the network and controls control module, and control module controls switching on and shutting down and the PID power tune of air-heater
Section, control motor wheel keep mobile platform mobile, obtain the direction mobile platform XYZ inclination angle and control rotation from three-dimensional perspective sensor
Motor, electric drive hydraulic thruster adjustment support placement of foot are to fixed mobile platform.Realize the efficient control to snow removal system.
Detailed description of the invention
Fig. 1 is the structure front view of the embodiment of the present invention.
Fig. 2 is the structural side view of the embodiment of the present invention.
Fig. 3 is the arcuate tube structure chart of the embodiment of the present invention.
Fig. 4 is the supporting module structure chart of the embodiment of the present invention.
Specific embodiment
Specific embodiment and working principle of the present invention will be described in further detail with reference to the accompanying drawing.
As Figure 1-Figure 4, a kind of parabola antenna snow removal system of stripe shape spray wind, including air-heater 1, air hose 2, arch
Pipe 3, spray public attention 4, bracket 5, mobile platform 6, control module 7, management terminal 8.
The air-heater 1 is sequentially connected air hose 2, arcuate tube 3, spray public attention 4, air-heater 1 and air hose 2 with damping and electrically
Isolation method connection has forced air, and hot wind enters arcuate tube 3 through air hose 2, sprays through arcuate tube 3 from spray public attention 4.
The air hose 2 and arcuate tube 3 are made of high-intensitive, material resistant to high temperature;
The air hose 2 is segmented conduit, and every section connects adjacent 2 arcuate tubes 3 and, reserved redundant length scalable at S type, when
The inclination angle of parabola antenna reflecting surface Extensible when changing in from level to vertical angular range adapts to and and arch
Pipe 3 keeps securely connecting.
The arcuate tube 3, is arcuate tube 3, including arc section 301, straightway 302, reflection bar 303, and centre is circular arc
301 both ends of section are straightway 302, at least 2, are laid with along parabola antenna reflecting surface.
The arc section 301, close to parabola antenna reflecting surface.
The straightway 302, each 3 both ends of arcuate tube respectively have 1, stretch out parabola antenna and are mounted on bracket 5,
The reflection bar 303 is mounted on 301 surface of arc section, is a part of parabolic shape, with parabola antenna reflecting surface
Same focus.
The bracket 5, is mounted on mobile platform 6, and adjustable length is under the control of control module 7 to adapt to paraboloid day
The adjustment of line reflection face angle degree.
Described spray public attention 4 is located on arcuate tube 3, each 3 at least one of arcuate tube, along the tangent line of parabola antenna reflecting surface
High-pressure hot wind is sprayed from the top down, and spray public attention 4 sprays fan-shaped hot wind, and adjusting wind-warm syndrome makes hot wind reach parabola antenna reflecting surface most
Big wind-warm syndrome is less than antenna maximum high temperature resistant value, and pressure becomes when adjusting wind pressure makes the hot wind sprayed reach the arcuate tube 3 of adjacent lower section
In 0, the high-pressure hot wind that all spray public attention 4 spray can cover entire parabola antenna reflecting surface immediately, based on high temperature snow melt,
Supplemented by wind-force snow removing.
The mobile platform 6, including chassis 601, motor wheel 602, three-dimensional perspective sensor 603, supporting module 604.
The motor wheel 602, there is 4, is fixed on 601 4 jiaos of chassis, moves mobile platform 6 under the control of control module 7
It is dynamic.
The supporting module 604, there is 4, is fixed on 601 4 jiaos of chassis, including rotating electric machine 60401, electric hydaulic push away
Bar 60402, support leg 60403, rotating electric machine 60401 are fixed on chassis 601 and connect electric drive hydraulic thruster 60402 and be allowed to revolve
Turn folding and unfolding, 60402 lower end of electric drive hydraulic thruster connects support leg 60403, and support leg 60403 is up-narrow and down-wide structure and bottom has
Fixing glue protrudes into underground, and supporting module 604 keeps mobile platform 6 fixed under the control of control module 7.
The control module 7, controls the switching on and shutting down and PID power regulation of air-heater 1, and control motor wheel 602 makes mobile flat
Platform 6 is mobile, obtains tri- direction inclination value of mobile platform 6XYZ from three-dimensional perspective sensor 603 and controls rotating electric machine 60401, electricity
Hydrodynamic pressure push rod 60402 adjusts 60403 position of support leg to fixed mobile platform 6.
The management terminal 8 is one of computer, mobile phone, plate, carries out network communication with control module 7, communication network is
One of serial network, fieldbus networks, local area network, internet, 4G network, 5G network, 6G network, are obtained by control module 7
Take system mode and control air-heater 1, adsorption module, mobile platform 6.
In the present embodiment:
The arcuate tube 3, is arcuate tube 3, including arc section 301, straightway 302, reflection bar 303, and centre is arc section 301
Both ends are straightway 302, at least 2, are laid with along parabola antenna reflecting surface.The arc section 301, close to paraboloid day
Line reflection face.The straightway 302, each 3 both ends of arcuate tube respectively have 1, stretch out parabola antenna and are mounted on bracket 5.
Described spray public attention 4, be located at arcuate tube 3 on, each 3 at least one of arcuate tube, along parabola antenna reflecting surface tangent line from the top down
High-pressure hot wind is sprayed, spray public attention 4 sprays fan-shaped hot wind, it is small to adjust the maximum wind-warm syndrome that wind-warm syndrome makes hot wind reach parabola antenna reflecting surface
In antenna maximum high temperature resistant value, pressure tends to 0 when adjusting wind pressure makes the hot wind sprayed reach the arcuate tube 3 of adjacent lower section, owns
Spray public attention 4 spray high-pressure hot wind can cover entire parabola antenna reflecting surface immediately, based on high temperature snow melt, wind-force snow removing
Supplemented by.The structure, as long as first is that the spray wind distance of spray public attention 4 on each arcuate tube 3 reaches the arcuate tube 3 of adjacent lower section, spray
For wind apart from short, 1 power of air-heater needed is low, realizes energy conservation.Second is that the high-pressure hot wind that all spray public attention 4 spray can cover immediately
Entire parabola antenna reflecting surface forms continuous wind-force from top to bottom and instant snow melt in parabola antenna reflecting surface, with height
Based on warm snow melt, supplemented by wind-force snow removing, snowflake will not be made to flash and fall to form secondary accumulation, efficiency of cleaning snow is high.Third is that wind pressure
Accurately controlled with wind-warm syndrome, realization avoid the impact force of lasting high-pressure hot wind and high temperature make parabola antenna distorted reflector by
Damage influences aerial signal transmitting-receiving precision.
Reflection bar 303 is mounted on 301 surface of arc section of arcuate tube 3, is a part of parabolic shape, with paraboloid
The same focus of antenna reflective face.Although arc section 301 blocks parabola antenna reflecting surface, reflection bar 303 is supplemented with identical
The reflecting surface of area, entirety is on parabola antenna signal transmitting and receiving precision without influence.
Mobile platform 6 includes chassis 601, motor wheel 602, three-dimensional perspective sensor 603, supporting module 604, and system is removable
Dynamic to fix, convenient for being also convenient for snowy season outbound and using without the storage of snow season storage and maintenance, when failure, can also directly be used
Standby system replacement, does not influence continuously to remove the snow.
The mobile platform 6, including chassis 601, motor wheel 602, three-dimensional perspective sensor 603, supporting module 604.Institute
Supporting module 604 is stated, there are 4, is fixed on 601 4 jiaos of chassis, including rotating electric machine 60401, electric drive hydraulic thruster 60402, branch
Support foot 60403, rotating electric machine 60401 are fixed on chassis 601 and connect electric drive hydraulic thruster 60402 and be allowed to rotate folding and unfolding, electricity
60402 lower end of hydrodynamic pressure push rod connects support leg 60403, and support leg 60403 is up-narrow and down-wide structure and bottom has fixing glue to stretch
Enter underground, supporting module 604 keeps mobile platform 6 fixed under the control of control module 7.The structures under wind performance is strong.
Management terminal 8 is connected to the network and controls control module 7, and control module 7 controls switching on and shutting down and the PID function of air-heater 1
Rate is adjusted, and control motor wheel 602 keeps mobile platform 6 mobile, is obtained the direction mobile platform 6XYZ from three-dimensional perspective sensor 603 and is inclined
Angle and control rotating electric machine 60401, electric drive hydraulic thruster 60402 adjust 60403 position of support leg to fixed mobile platform 6.
Realize the efficient control to snow removal system.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to previous embodiment
Documented technical solution is modified or equivalent replacement of some of the technical features.And these are modified or replace
It changes, the spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (2)
1. a kind of parabola antenna snow removal system of stripe shape spray wind, it is characterised in that: including air-heater, air hose, arcuate tube, spray wind
Head, bracket, mobile platform, control module, management terminal；
The air-heater is sequentially connected air hose, arcuate tube, spray public attention, and air-heater and air hose are connected in a manner of damping and electrical isolation
It connects, there is forced air, hot wind enters arcuate tube through air hose, sprays through arcuate tube from spray public attention；
The air hose and arcuate tube are made of high-intensitive, material resistant to high temperature;
The air hose, is segmented conduit, every section of adjacent 2 arcuate tube of connection and scalable at S type, reserves redundant length, works as throwing
The inclination angle of object plane antenna reflective face Extensible when changing in from level to vertical angular range adapts to and and arcuate tube
Keep securely connection；
The arcuate tube is arch pipeline, including arc section, straightway, reflection bar, and it is straightway that centre, which is arc section both ends,
It at least 2, is laid with along parabola antenna reflecting surface；
The arc section, close to parabola antenna reflecting surface；
The straightway, each arcuate tube both ends respectively have 1, stretch out parabola antenna and rack-mount,
The reflection bar is mounted on circular arc section surface, is a part of parabolic shape, with parabola antenna reflecting surface with burnt
Point；
The bracket, on a mobile platform, adjustable length is under control module control to adapt to parabola antenna reflection for installation
The adjustment of face angle degree；
Described spray public attention, be located at arcuate tube on, each arcuate tube at least one, along parabola antenna reflecting surface tangent line on to
Lower spray high-pressure hot wind, spray public attention spray fan-shaped hot wind, adjust the maximum wind-warm syndrome that wind-warm syndrome makes hot wind reach parabola antenna reflecting surface
Less than antenna maximum high temperature resistant value, pressure tends to 0 when adjusting wind pressure makes the hot wind sprayed reach the arcuate tube of adjacent lower section, owns
Spray public attention spray high-pressure hot wind can cover entire parabola antenna reflecting surface immediately, based on high temperature snow melt, wind-force snow removing
Supplemented by；
The mobile platform, including chassis, motor wheel, three-dimensional perspective sensor, supporting module；
The motor wheel has 4, is fixed on chassis quadrangle, keeps mobile platform mobile under control module control；
The supporting module has 4, is fixed on chassis quadrangle, including rotating electric machine, electric drive hydraulic thruster, support leg, electric rotating
Machine is fixed on chassis and connects electric drive hydraulic thruster and is allowed to rotate folding and unfolding, and electric drive hydraulic thruster lower end connects support leg, support
Foot is up-narrow and down-wide structure and bottom has fixing glue to protrude into underground, and supporting module consolidates mobile platform under control module control
It is fixed；
The control module controls the switching on and shutting down and PID power regulation of air-heater, and control motor wheel keeps mobile platform mobile, from
Three-dimensional perspective sensor obtains tri- direction inclination value of mobile platform XYZ and controls rotating electric machine, electric drive hydraulic thruster adjustment support
Placement of foot is to fixed mobile platform；
The management terminal, with control module carry out network communication, by control module obtain system mode and control air-heater,
Adsorption module, mobile platform.
2. management terminal according to claim 1, it is characterized in that: being one of computer, mobile phone, plate, the communication network used
Network is one of serial network, fieldbus networks, local area network, internet, 4G network, 5G network, 6G network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890334.3A CN110534862A (en) | 2019-09-27 | 2019-09-27 | A kind of parabola antenna snow removal system of stripe shape spray wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890334.3A CN110534862A (en) | 2019-09-27 | 2019-09-27 | A kind of parabola antenna snow removal system of stripe shape spray wind |
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| Publication Number | Publication Date |
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| CN110534862A true CN110534862A (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910890334.3A Pending CN110534862A (en) | 2019-09-27 | 2019-09-27 | A kind of parabola antenna snow removal system of stripe shape spray wind |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180851A (en) * | 2020-01-16 | 2020-05-19 | 山东正泰希尔专用汽车有限公司 | Vehicle-mounted bow-shaped antenna lodging mechanism |
| CN117317566A (en) * | 2023-11-16 | 2023-12-29 | 德州秋生机械有限公司 | Antenna with stable adjusting base |
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| CN107906749A (en) * | 2017-10-27 | 2018-04-13 | 合肥因艾信息科技有限公司 | A kind of parabola antenna snow removal system of intelligence spray wind |
| CN107983722A (en) * | 2017-11-24 | 2018-05-04 | 江苏明钰新能源有限公司 | The device and method of solar panel dedusting snow removing based on compressed gas |
| CN108889718A (en) * | 2018-08-13 | 2018-11-27 | 陈鹏 | A kind of satellite antenna automatic snow-removing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS58151702A (en) * | 1982-03-05 | 1983-09-09 | Nec Corp | Deicing system of parabola antenna using blower |
| JPS6072401A (en) * | 1983-09-29 | 1985-04-24 | Mitsubishi Electric Corp | Parabola antenna |
| CN2154540Y (en) * | 1993-03-27 | 1994-01-26 | 湖南省湘源科学技术研究所 | Satellite television receiving antenna with automatic snow eliminate and frostbite |
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| CN108889718A (en) * | 2018-08-13 | 2018-11-27 | 陈鹏 | A kind of satellite antenna automatic snow-removing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180851A (en) * | 2020-01-16 | 2020-05-19 | 山东正泰希尔专用汽车有限公司 | Vehicle-mounted bow-shaped antenna lodging mechanism |
| CN117317566A (en) * | 2023-11-16 | 2023-12-29 | 德州秋生机械有限公司 | Antenna with stable adjusting base |
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Application publication date: 20191203 |
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