CN106972473A - A kind of lightening arresting method of rocket movable launch platform - Google Patents
A kind of lightening arresting method of rocket movable launch platform Download PDFInfo
- Publication number
- CN106972473A CN106972473A CN201710379687.8A CN201710379687A CN106972473A CN 106972473 A CN106972473 A CN 106972473A CN 201710379687 A CN201710379687 A CN 201710379687A CN 106972473 A CN106972473 A CN 106972473A
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- China
- Prior art keywords
- lightning rod
- lightning
- launch platform
- movable launch
- rocket
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41F—APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS; LAUNCHERS FOR ROCKETS OR TORPEDOES; HARPOON GUNS
- F41F3/00—Rocket or torpedo launchers
- F41F3/04—Rocket or torpedo launchers for rockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a kind of lightening arresting method of rocket movable launch platform, the rocket movable launch platform includes umbilical tower and four swing rods being connected with umbilical tower, the first lightning rod for protecting direct lightning strike to be struck by lightning is installed at the top of the umbilical tower, and first lightning rod is using independent lead and launching site grounded screen equipotential link；The second lightning rod for protecting sideflash to be struck by lightning is respectively mounted in four swing link end parts, and each second lightning rod is using independent lead and launching site grounded screen equipotential link.The present invention is innovatively improved to existing scheme, the installation site and lead connection plan of ingehious design lightning rod, by the lightening arresting method of the rocket movable launch platform of the present invention, lightning current can be prevented effectively from flat pad equipment is caused damage, adaptability of the rocket movable launch platform to climatic environment is improved.
Description
Technical field
The present invention relates to Preventing Thunderbolt in Launching Rocket technical field, specifically for, the present invention is a kind of rocket launch
The lightening arresting method of platform.
Background technology
Climatic environment to rocket can successful launch have important influence, particularly thunder and lightning to rocket and its flat pad
The influence of generation.Such as, at China Hainan launching site, the statistics issued according to China Meteorological Administration's lightning protection management office,
Hainan annual thunderstorm days 93.8d/a, and thunderstorm days reach 114.4d/a in recent years according to statistics, according to thunderstorm day for many years
Statistics, the average year thunderstorm day of Wenchang City, up to more than 90 days, belongs to strong minefield.But, the lightning protection effect of prior art is not
It is preferable.
Therefore, rocket launch platform how is improved to the adaptability of climatic environment and how to improve rocket launch platform
Lightning protection effect, becomes those skilled in the art's technical problem urgently to be resolved hurrily and the emphasis studied all the time.
The content of the invention
The problem of undesirable for the schemes of prevention against lightning effect of solution rocket launch platform of the prior art, the invention discloses
A kind of lightening arresting method of rocket movable launch platform, by dexterously designing the arrangement and grounding scheme of lightning rod, so that
The lightning protection purpose of rocket movable launch platform is reached, direct lightning strike thunderbolt and sideflash thunderbolt is effectively prevent to rocket launch
The infringement of platform, and then improve adaptability of the rocket movable launch platform to climatic environment.
It is described the invention discloses a kind of lightening arresting method of rocket movable launch platform to reach above-mentioned technical purpose
Rocket movable launch platform includes umbilical tower and four swing rods being connected with umbilical tower, is installed at the top of the umbilical tower for preventing
The first lightning rod of direct lightning strike thunderbolt is protected, and first lightning rod is connected using independent lead with launching site grounded screen equipotential
Connect；The second lightning rod for protecting sideflash to be struck by lightning, and each second lightning rod are respectively mounted in four swing link end parts
Using independent lead and launching site grounded screen equipotential link.
The present invention innovatively installs lightning rods at the top of umbilical tower with four swing link end parts, and combines rational wire ground
Scheme has reached the possibility for reducing or even avoiding flat pad from being struck by lightning, and improves rocket movable launch platform to weather ring
The adaptability in border.
Further, first lightning rod is telescopic lightning rod.
The present invention innovatively employs telescopic special lightning rod, and electric charge transfer, neutralization is better achieved, senses and puts
Electricity, and can effectively improve connect lightning pressure, reduce suffer lightning strike probability, make protected object few on the premise of connecing sudden strain of a muscle less, drawing thunder less
It is struck by lightning.
Further, the launching site grounded screen belongs to flat pad earthed system, and flat pad earthed system also includes
Anti-thunder surge protecting field, equipment protection and signal ground, and the launching site grounded screen, anti-thunder surge protecting field, equipment protection
It is mutually isolated between ground, signal ground.
By four strict ground isolation schemes, the present invention, which can be realized, effectively leaks into lightning current on the earth, so as to avoid
Lightning current produces influence on other ground, and then avoids the possibility of lightning current infringement equipment.
Further, when the height of protected object is less than or equal to 45m, described first is calculated in the following way and is taken shelter from the thunder
The radius of protection of pin and the second lightning rod on the horizontal section of the rocket movable launch platform,
Wherein, rxRepresent the first lightning rod or the second lightning rod in hxThe transverse direction of the rocket movable launch platform of height
Radius of protection on section, h represents the height of the first lightning rod or the second lightning rod, hrRepresent ball radius, hxExpression is protected
The height of thing.
By above-mentioned improved technical scheme, the present invention can be effectively judged when the height of protected object is less than or equal to
The radius of protection of lightning rod during 45m, thus the present invention can in light of the circumstances and degree of protection design lightning rod length.
Further, when protected object height be more than 45m when, then by equation below calculate first lightning rod and
Radius of protection of second lightning rod on the horizontal section of the rocket movable launch platform,
Work as hxDuring >=0.5h, rx=(h-hx)P；
Work as hxDuring ＜ 0.5h, rx=(1.5h-2hx)P；
Wherein, rxRepresent the first lightning rod or the second lightning rod in hxThe transverse direction of the rocket movable launch platform of height
Radius of protection on section, h represents the height of the first lightning rod or the second lightning rod, hxThe height of protected object is represented, P is represented
Highly influence coefficient；
As h≤30m, P=1；
As h ＞ 30m,
By above-mentioned improved technical scheme, the present invention can be effectively judged when the height of protected object is more than 45m
The radius of protection of lightning rod, thus the present invention can in light of the circumstances and degree of protection design lightning rod length.
Further, the radius of protection r of first lightning rod and the second lightning rod on groundGround=1.5hP.
By above-mentioned improved technical scheme, the present invention can effectively judge radius of protection r of the lightning rod on groundGround=
1.5hP。
Further, each described independent lead is respectively arranged in independent wire casing or crane span structure.
Further, lead line is connected up using minimum wire length principle, and using tree structure.
By above-mentioned improved technical scheme, the generation for avoiding the phenomenons such as lead bent angle, knotting or disk ring is reached, so that real
Lightning current is more effectively now leaked into the earth, lightning protection effect is improved.And direct lightning strike grounding resistance can be reduced to by the present invention
Less than 0.05 ohm, it is far smaller than 1 ohm of conventional direct lightning strike grounding resistance requirement.
Further, first lightning rod and second lightning rod are integrated in lightning protection system, the thunder
Electric guard system includes inside LPS and outside LPS, and the outside LPS includes first lightning rod and second lightning rod.
Further, the length of first lightning rod and second lightning rod is 2m, and the cross-sectional area of lead is
70mm2。
Beneficial effects of the present invention are：The present invention is innovatively improved to existing scheme, ingehious design lightning rod
Installation site and lead connection plan, by the lightening arresting method of the rocket movable launch platform of the present invention, can be prevented effectively from thunder
Electric current causes damage to flat pad equipment.
Brief description of the drawings
Fig. 1 is the implementation view of the lightening arresting method of the rocket movable launch platform of the present invention.
Fig. 2 is the schematic diagram for calculating lightning rod protection scope.
In figure,
1st, the first lightning rod；2nd, swing rod；3rd, the second lightning rod；4th, umbilical tower.
Embodiment
Detailed explanation is carried out to the lightening arresting method of the rocket movable launch platform of the present invention with reference to Figure of description
And explanation.
As shown in Figure 1, 2, the invention discloses a kind of lightening arresting method of rocket movable launch platform, in general, rocket
Movable launch platform includes umbilical tower 4 and four swing rods 2 being connected with umbilical tower 4, and the present invention innovatively pacifies at the top of umbilical tower
The first lightning rod 1 for protecting direct lightning strike to be struck by lightning is filled, and the first lightning rod 1 is using independent lead and launching site grounded screen etc.
Current potential is connected, in the present embodiment, and the first lightning rod 1 is preferably telescopic lightning rod, only enters outdoor ring in flat pad
Just stretched out during border；The present invention is respectively mounted the second lightning rod 3 for protecting sideflash to be struck by lightning four ends of swing rod 2, and often
Individual second lightning rod 3 using independent lead and launching site grounded screen equipotential link, the second lightning rod 3 be preferably can fall,
The structure of dismounting is easily installed, is only just holded up when flat pad enters open-air atmosphere.Generally, at the top of umbilical tower and
Four swing link end parts respectively install a lightning rod, thus the present invention can only need five lightning rods, and can use fiberglass
Supporting bar structure supports lightning rod.In the present embodiment, in flat pad indoor design independence wire casing or crane span structure, each is independent to draw
Line is respectively arranged in independent wire casing or crane span structure, and body, its earth point and platform walking earthing or grounding means are put into effect from umbilical cord tower bottom
(ground connection boots) single-point is reliably connected, and with equipment protection, other earth points such as signal ground not common rail, when implementing the present invention,
Between earth cable and earth plate, the contact resistance of any contact can not be more than 1 milliohm, and connecting portion requires to carry out after polishing
Thermal welding is handled, and welding portion does salt spray proof processing；And lead line is using minimum wire length principle, and use tree-like knot
Structure is connected up.The present invention improves rocket movable launch platform in many thunderstorms by direct lightning strike, sideflash protection and grounding measures
Adaptability under the conditions of climatic environment.
For specifically, launching site grounded screen of the present invention belongs to flat pad earthed system, and flat pad connects
Ground system also include anti-thunder surge protecting field, equipment protection and signal ground, and launching site grounded screen, anti-thunder surge protecting field,
Equipment protection, mutually strict isolation between signal ground.
In the present invention, the first lightning rod 1 and the second lightning rod 3 can be integrated in lightning protection system, lightning protection system
System (LPS) is the guard system of the infringement produced by the lightning current pulse for very high energies, is damaged for preventing or reducing entity
Evil or personal injury.Lightning protection system include inside LPS and outside LPS, outside LPS mainly by arrester, lower lead and
Earthed system is constituted, and the lightning rod 3 of the first lightning rod 1 and second of the present invention can be regarded as a kind of arrester, so outside
LPS includes the first lightning rod 1 and the second lightning rod 3, outside LPS main function be intercept and capture the direct lightning strike that hits to protected object or
Sideflash, guides lightning current and releases into the earth；Internal LPS mainly include the electric insulation for keeping LPS parts and metalwork and
Necessary equipotential link etc..In the present embodiment, the length of the first lightning rod 1 and the second lightning rod 3 is 2m, lead it is transversal
Area is 70mm2。
Present invention also offers the further improvement project of lightening arresting method, and specifically disclose the protection domain of lightning rod.
When the height of protected object is less than or equal to 45m, as shown in Fig. 2 calculating the first lightning rod 1 in the following way
It is lightning-arrest with radius of protection of second lightning rod 3 on the horizontal section of rocket movable launch platform, i.e. the first lightning rod 1 and second
The radius of protection of pin 3 can be calculated using following formula.The horizontal section of rocket movable launch platform is the xx ' in Fig. 2
Plane, A, B point be the spin centre of sphere, Fig. 2 middle and lower parts dash area be lightning rod can protection domain profile.
Wherein, rxRepresent the first lightning rod 1 or the second lightning rod 3 in hxThe transverse direction of the rocket movable launch platform of height is cutd open
Radius of protection on face, h represents the height of the first lightning rod 1 or the second lightning rod 3, hrRepresent ball radius, hxExpression is protected
The height of thing.
When in the range of the envelope that protected object is in Fig. 2, lightning protection can obtain.Obviously, the spin of selection half
Footpath is smaller, and protecting effect is better, but the scope of protection is also smaller, and the selection of ball radius can be according to right in GB50057 specifications
Protected object importance defines to select suitable ball radius.
When the height of protected object is even up to 60m more than 45m, if need to be protected according to two classes and ratings above,
Ball radius h nowr=45m；Then the first lightning rod 1 and the second lightning rod 3 is calculated by equation below to send out in rocket activity
The radius of protection penetrated on the horizontal section of platform,
Work as hxDuring >=0.5h, rx=(h-hx)P；
Work as hxDuring ＜ 0.5h, rx=(1.5h-2hx)P；
Wherein, rxRepresent the first lightning rod 1 or the second lightning rod 3 in hxThe transverse direction of the rocket movable launch platform of height is cutd open
Radius of protection on face, h represents the height of the first lightning rod 1 or the second lightning rod 3, hxThe height of protected object is represented, P is represented
Highly influence coefficient；
As h≤30m, P=1；
As h ＞ 30m,
Under these conditions, the first lightning rod 1 and the second lightning rod 3 ground radius of protection r_=1.5hP.
The protection of stage body direct lightning strike and the protection of swing rod direct lightning strike are illustrated below.
Because the stage body of bottom is highly less than 0.5h, so working as hxDuring ＜ 0.5h, then terminal height h=(rx/P+2hx)/
1.5, such as, h=39.5m is obtained after flat pad data are brought into, in the case where umbilical cord tower height degree is more than 39.5m, as long as
First lightning rod is installed at the top of umbilical tower, then the stage body of bottom is necessarily in the direct lightning strike protection domain of the first lightning rod.
Because the height of swing rod is more than 0.5h, work as hxDuring ＞ 0.5h, then terminal height h=rx/P+hx, such as it is, transmitting is flat
Number of units after bringing into according to h=51.012m is obtained, then in the case where umbilical cord tower height degree is more than 51.012m, as long as at the top of umbilical tower
First lightning rod is installed, then swing rod is necessarily in the direct lightning strike protection domain of the first lightning rod.
By many experiments more than 4 years and practice have shown that, at the umbilical tower, upper pendulum bar, draft link of rocket launch platform
After each lightning rod for installing 2m length, can reach effectively prevents direct lightning strike thunderbolt and sideflash thunderbolt, and in strong thunder and lightning region fortune
Row is reliable and stable.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " the present embodiment ", " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. mean to combine the specific features of the embodiment or example description, structure,
Material or feature are contained at least one embodiment of the present invention or example.In this manual, above-mentioned term is shown
The statement of meaning property is necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.In addition, in the case of not conflicting,
Those skilled in the art can be by the not be the same as Example or example and non-be the same as Example described in this specification or example
Feature is combined and combined.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Any modification, equivalent substitution and simple modifications for being made in content etc., should be included in the scope of the protection.
Claims (10)
1. a kind of lightening arresting method of rocket movable launch platform, the rocket movable launch platform includes umbilical tower and and umbilical tower
Four swing rods of connection, it is characterised in that：The first lightning rod for protecting direct lightning strike to be struck by lightning is installed at the top of the umbilical tower,
And first lightning rod is using independent lead and launching site grounded screen equipotential link；In four swing link end parts difference
The second lightning rod for protecting sideflash to be struck by lightning is installed, and each second lightning rod is grounded using independent lead with launching site
Net equipotential link.
2. the lightening arresting method of rocket movable launch platform according to claim 1, it is characterised in that：First lightning rod
For telescopic lightning rod.
3. the lightening arresting method of rocket movable launch platform according to claim 1, it is characterised in that：The launching site ground connection
Net belongs to flat pad earthed system, and flat pad earthed system is with also including anti-thunder surge protecting field, equipment protection and signal
Ground, and the launching site grounded screen, anti-thunder surge protecting field, equipment protection, it is mutually isolated between signal ground.
4. the lightening arresting method of the rocket movable launch platform according to any claim in claims 1 to 3, its feature exists
In：When the height of protected object is less than or equal to 45m, first lightning rod and the second lightning rod are calculated in the following way
Radius of protection on the horizontal section of the rocket movable launch platform,
Wherein, rxRepresent the first lightning rod or the second lightning rod in hxThe horizontal section of the rocket movable launch platform of height
On radius of protection, h represents the height of the first lightning rod or the second lightning rod, hrRepresent ball radius, hxRepresent protected object
Highly.
5. the lightening arresting method of the rocket movable launch platform according to any claim in claims 1 to 3, its feature exists
In：When the height of protected object is more than 45m, then first lightning rod and the second lightning rod are calculated in institute by equation below
The radius of protection on the horizontal section of rocket movable launch platform is stated,
Work as hxDuring >=0.5h, rx=(h-hx)P；
Work as hxDuring ＜ 0.5h, rx=(1.5h-2hx)P；
Wherein, rxRepresent the first lightning rod or the second lightning rod in hxThe horizontal section of the rocket movable launch platform of height
On radius of protection, h represents the height of the first lightning rod or the second lightning rod, hxThe height of protected object is represented, P represents height
Influence coefficient；
As h≤30m, P=1；
As h ＞ 30m,
6. the lightening arresting method of rocket movable launch platform according to claim 5, it is characterised in that：First lightning rod
With the second lightning rod ground radius of protection rGround=1.5hP.
7. the lightening arresting method of the rocket movable launch platform according to claim 1 or 6, it is characterised in that：It is described that each is only
Vertical lead is respectively arranged in independent wire casing or crane span structure.
8. the lightening arresting method of rocket movable launch platform according to claim 7, it is characterised in that：Lead line is using most
Small wire length principle, and using tree structure wiring.
9. the lightening arresting method of rocket movable launch platform according to claim 1, it is characterised in that：Described first is taken shelter from the thunder
Pin and second lightning rod are integrated in lightning protection system, and the lightning protection system includes inside LPS and outside LPS,
The outside LPS includes first lightning rod and second lightning rod.
10. the lightening arresting method of rocket movable launch platform according to claim 1, it is characterised in that：Described first takes shelter from the thunder
The length of pin and second lightning rod is 2m, and the cross-sectional area of lead is 70mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379687.8A CN106972473A (en) | 2017-05-25 | 2017-05-25 | A kind of lightening arresting method of rocket movable launch platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379687.8A CN106972473A (en) | 2017-05-25 | 2017-05-25 | A kind of lightening arresting method of rocket movable launch platform |
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| Publication Number | Publication Date |
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| CN106972473A true CN106972473A (en) | 2017-07-21 |
Family
ID=59327353
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710379687.8A Pending CN106972473A (en) | 2017-05-25 | 2017-05-25 | A kind of lightening arresting method of rocket movable launch platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489336A (en) * | 2018-03-30 | 2018-09-04 | 南京信息工程大学 | A kind of lightning protection increasing rain rocket pod |
| CN113295047A (en) * | 2021-05-06 | 2021-08-24 | 北京航天发射技术研究所 | Driving distributed heavy carrier rocket vertical transfer system |
| CN114552505A (en) * | 2022-01-20 | 2022-05-27 | 北京航天发射技术研究所 | Carrier rocket pulls out cable protector |
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| CN108489336A (en) * | 2018-03-30 | 2018-09-04 | 南京信息工程大学 | A kind of lightning protection increasing rain rocket pod |
| CN113295047A (en) * | 2021-05-06 | 2021-08-24 | 北京航天发射技术研究所 | Driving distributed heavy carrier rocket vertical transfer system |
| CN114552505A (en) * | 2022-01-20 | 2022-05-27 | 北京航天发射技术研究所 | Carrier rocket pulls out cable protector |
| CN114552505B (en) * | 2022-01-20 | 2024-02-02 | 北京航天发射技术研究所 | Carrier rocket cable removing and pulling protection device |
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Application publication date: 20170721 |
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