CN203047886U - Lightning current shunt - Google Patents
Lightning current shunt Download PDFInfo
- Publication number
- CN203047886U CN203047886U CN 201220591692 CN201220591692U CN203047886U CN 203047886 U CN203047886 U CN 203047886U CN 201220591692 CN201220591692 CN 201220591692 CN 201220591692 U CN201220591692 U CN 201220591692U CN 203047886 U CN203047886 U CN 203047886U
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- lightning current
- manifold
- current shunt
- deflector guide
- utility
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Abstract
The embodiment of the utility model provides a lightning current shunt, which comprises a manifold, a fixing plate and an adjuster, wherein the manifold is used for shunting lightning current; the fixing plate is used for fixing the manifold on the wall of an oil tank; the adjuster is arranged on the fixing plate and is in adjacent connection with the manifold to adjust the manifold, so that the manifold can be kept in electric connection with the wall of the oil tank. The lightning current shunt further comprises a tensile force meter which is arranged on the manifold and used for controlling the tension of the manifold; the manifold is of a beryllium copper conductive slice; the fixing plate is of an L-shaped fixing element; the adjuster is an adjusting screw; the tensile force meter is arranged on a tensile force meter hole on the manifold; and the fixing plate is used for fixing the manifold on the wall of the oil tank through a float tray. According to the lightning current shunt provided by the utility model, lightning fire accidents of the large-sized external float top oil tank primary and secondary sealing cavities can be reduced or eliminated; when the lightning current shunt is used as a high/medium frequency lightning current shunt, the lightning current shunt has enough tension, good lightning current popularity, and good electric connection and wear resistance.
Description
Technical field
The utility model relates to large-scale external floating roof tank safety engineering field, relates in particular to a kind of lightning current shunt.
Background technology
At present, large-scale external floating roof tank is for the lightning current of the floating plate thunderbolt of releasing, what generally adopt is clad type " conducting strip ", there is the following aspects problem in this " conducting strip ": the one, there is not elasticity, attitude can't restore to the original state when distortion appears in operation, cause thus between conducting strip and tank skin to have the gap, when lightning current is arranged the intermittence spark discharge can take place; The 2nd, the contact resistance value between conducting strip and tank skin is excessive, and when lightning current, voltage difference therebetween just increases, and then the spark discharge of lightning current takes place; The 3rd, all conducting strips provide technical support for it without any technical data at present, adopt common copper sheet to make exactly, whether can reach the lightning current of releasing, and not produce the thunder and lightning spark, do not experimentize.The reason of above-mentioned three aspects has caused the conducting strip part spark discharge of secondary seal space, causes the fire gases in the secondary seal cavity that quick-fried catching fire takes place to dodge.
The utility model content
The utility model embodiment provides a kind of lightning current shunt, to reduce or eliminate large-scale external floating roof tank first and second sealed cavity thunderbolt firing accident.
In order to reach above-mentioned technical purpose, the utility model embodiment provides a kind of lightning current shunt, and described lightning current shunt comprises:
Deflector guide is used for the shunting lightning current;
Adapter plate is for the tank skin that described deflector guide is fixed in oil tank;
Regulating control is positioned on the described adapter plate, and with described deflector guide adjacency, be used for to regulate described deflector guide, the tank skin maintenance of described deflector guide and described oil tank is electrically connected.
Optionally, in the utility model one embodiment, described lightning current shunt also comprises: the tension indicator measuring device, be positioned on the described deflector guide, and be used for the tension force of the described deflector guide of control.
Optionally, in the utility model one embodiment, described deflector guide is the beryllium copper conducting strip.
Optionally, in the utility model one embodiment, described adapter plate is L shaped connecting element.
Optionally, in the utility model one embodiment, described regulating control is governing screw.
Optionally, in the utility model one embodiment, described tension indicator measuring device is positioned on the tension indicator gage hatch on the described deflector guide.
Optionally, in the utility model one embodiment, described adapter plate is for the tank skin that described deflector guide is fixed in oil tank by floating plate.
Technique scheme has following beneficial effect: because adopt a kind of lightning current shunt, described lightning current shunt comprises: deflector guide is used for the shunting lightning current; Adapter plate is for the tank skin that described deflector guide is fixed in oil tank; Regulating control, be positioned on the described adapter plate, and with described deflector guide adjacency, be used for regulating described deflector guide, make the tank skin of described deflector guide and described oil tank keep the technological means be electrically connected, so reached following technique effect: reduced or eliminated large-scale external floating roof tank first and second sealed cavity thunderbolt firing accident, when being applied as high intermediate frequency lightning current shunt, had enough tension force, lightning current is through-flow property, good electrical connectivity and a resistance to abrasion.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of lightning current shunt of the utility model embodiment structural representation;
Fig. 2 looks scheme drawing for the right side of the lightning current shunt among the utility model embodiment Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, be a kind of lightning current shunt of the utility model embodiment structural representation, as shown in Figure 2, look scheme drawing for the right side of the lightning current shunt among the utility model embodiment Fig. 1, described lightning current shunt comprises:
Regulating control 12 is positioned on the described adapter plate 11, and with described deflector guide 10 adjacency, be used for to regulate described deflector guide 10, make described deflector guide 10 and the tank skin 20 of described oil tank keep being electrically connected.
Optionally, in the utility model one embodiment, described lightning current shunt also comprises: tension indicator measuring device 13, be positioned on the described deflector guide 10, and be used for the tension force of the described deflector guide 10 of control.
Optionally, in the utility model one embodiment, described deflector guide is the beryllium copper conducting strip.
Optionally, in the utility model one embodiment, described adapter plate is L shaped connecting element.
Optionally, in the utility model one embodiment, described regulating control is governing screw.
Optionally, in the utility model one embodiment, described tension indicator measuring device 13 is positioned on the tension indicator gage hatch 14 on the described deflector guide 10.
Optionally, in the utility model one embodiment, described adapter plate 11 is for the tank skin 20 that described deflector guide 10 is fixed in oil tank by floating plate 30.
The utility model embodiment technique scheme has following beneficial effect: because adopt a kind of lightning current shunt, described lightning current shunt comprises: deflector guide is used for the shunting lightning current; Adapter plate is for the tank skin that described deflector guide is fixed in oil tank; Regulating control, be positioned on the described adapter plate, and with described deflector guide adjacency, be used for regulating described deflector guide, make the tank skin of described deflector guide and described oil tank keep the technological means be electrically connected, so reached following technique effect: reduced or eliminated large-scale external floating roof tank first and second sealed cavity thunderbolt firing accident, when being applied as high intermediate frequency lightning current shunt, had enough tension force, lightning current is through-flow property, good electrical connectivity and a resistance to abrasion.
In order to reduce and to eliminate large-scale external floating roof tank first and second sealed cavity thunderbolt firing accident, the utility model application example is developed out high intermediate frequency lightning current shunt, to substitute conducting strip in the past.Property that high intermediate frequency lightning current shunt has enough tension force, lightning current is through-flow, good electrical connectivity and resistance to abrasion.
The high intermediate frequency lightning current of the utility model application example shunt is the high intermediate frequency lightning current of large-scale external floating roof tank floating plate earial drainage device, solve shunt and the tank skin gap difference that the little distortion of tank body and floating plate displacement cause by adjustable apparatus, guarantee to realize being electrically connected of shunt and tank skin no resistance, guarantee that the high intermediate frequency lightning current on the floating plate is in time discharged, and eliminate the spark that the lightning current dispose procedure produces.
The purpose of the utility model application example technical products is that the thunder and lightning spark discharge takes place in the secondary seal space when eliminating large-scale external floating roof tank thunderbolt floating plate, prevents that the secondary seal cavity from dodging quick-fried firing accident.
1, function
High, intermediate frequency lightning current shunt is large-scale external floating roof tank floating plate height, intermediate frequency lightning current earial drainage device, solve shunt and the tank skin gap difference that the little distortion of tank body and floating plate displacement cause by adjustable apparatus, guarantee to realize being electrically connected of shunt and tank skin no resistance, guarantee that height, the intermediate frequency lightning current on the floating plate in time discharged.This shunt has solved the spark that the lightning current dispose procedure produces.
2, structure is formed
The lightning current shunt is made up of 4 parts, and namely deflector guide, adapter plate, regulating control, tension indicator measuring device are formed, with reference to Fig. 1, shown in Figure 2.
3, lightning current shunt construction parameter
Lightning current shunt construction parameter sees the following form shown in 1.
Table 1 lightning current shunt construction parameter
| Title | Specification (mm) | Material |
| Deflector guide | 200*70*1 | Bryllium bronze |
| Regulating control | M10*30 | Corrosion-resistant steel 304 |
| Adapter plate | 150*70*4 | Corrosion-resistant steel 304 |
| The tension indicator metering- |
20*10 | ? |
4, lightning current splitter technologies parameter
(1) the deflector guide tension force of shunt 〉=
50N
(2) leaning angle of the deflector guide of shunt is
3 degree～15 degree.
(3) deflector guide of shunt is along the wear intensity＜0.69 μ m/m of tank skin operation.
(4) the maximum through-current capacity of the deflector guide of shunt is 25kA.
(5) deflector guide of shunt sparking electric current is 5kA.
Annotate: 1. be under the excellent contact condition between deflector guide and tank skin, feeding 8/20 μ S waveform lightning current, when lightning current reaches 5kA, beginning sparking between deflector guide and tank skin.
2. 100,000 m
3External floating roof tank, girth is 251m, presses the 2.5m spacing and lays 1 shunt, will lay 100.If lightning current is 100kA, then the lightning current 0.5kA that passes through of each shunt can not strike sparks.
(6) deflector guide of shunt tension force=
10During N, the contact resistance between shunt and tank skin≤0.03 Ω.
Advantage and the good effect of the utility model application example utility model:
1, tension force is adjustable, can and tank skin between keep good being electrically connected.As shown in table 2 below, be tension force and being electrically connected property observed data table.
Table 2 tension force and being electrically connected property observed data table
| Sequence number | Tension force (N) | Contact resistance (m Ω) | The result |
| 1 | 9 | 29 | ＜0.03 Ω meets the requirements |
| 2 | 10 | 28 | ＜0.03 Ω meets the requirements |
| 3 | 15 | 26 | ＜0.03, meet the requirements |
| 4 | 20 | 21 | ＜0.03 Ω meets the requirements |
| 5 | 25 | 19 | ＜0.03, meet the requirements |
| 6 | 30 | 11 | ＜0.03 Ω meets the requirements |
| 7 | 35 | 10 | ＜0.03, meet the requirements |
| 8 | 40 | 8 | ＜0.03 Ω meets the requirements |
| 9 | 45 | 8 | ＜0.03, meet the |
| 10 | 50 | 5 | ＜0.03 Ω meets the requirements |
2, flashover current is big.100,000 m
3External floating roof tank, girth is 251m, presses the 2.5m spacing and lays 1 shunt, will lay 100.If lightning current is 100kA, then the lightning current 0.5kA that passes through of each shunt can be drawn by observed data shown in the following table 3, and flashover current (sparking electric current) is about 10kA, thus the 0.5kA lightning current can not strike sparks, thereby guaranteed safety.
The experiment of table 3 lightning current shunt flashover
3, convenient for maintaining.Owing to adopted regulating control, tension indicator measuring device, when little distortion takes place oil tank, can guarantee its good running state by regulating.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the utility model embodiment lists, and unit and step can be passed through electronic hardware, computer software, or both combinations realize.Be the clear replaceability (interchangeability) of showing hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have been described their function generally.Such function is to realize depending on the designing requirement of specific application and total system by hardware or software.Those skilled in the art can be for every kind of specific application, and can make ins all sorts of ways realizes described function, but this realization should not be understood that to exceed the scope of the utility model embodiment protection.
Various illustrative logical block described in the utility model embodiment, or the unit can pass through general processor, digital signal processor, special IC (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional treater, controller, microcontroller or state machine.Treater also can realize by the combination of computer device, for example digital signal processor and microprocessor, a plurality of microprocessors, Digital Signal Processor Core of one or more microprocessors associatings, or any other similarly configuration realize.
Method described in the utility model embodiment or the step of algorithm can directly embed hardware, the software module of treater execution or the two combination.Software module can be stored in the storage medium of other arbitrary form in RAM memory device, flash memory, ROM memory device, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with treater, so that treater can read information from storage medium, and can deposit write information to storage medium.Alternatively, storage medium can also be integrated in the treater.Treater and storage medium can be arranged among the ASIC, and ASIC can be arranged in the user terminal.Alternatively, treater and storage medium also can be arranged in the different parts in the user terminal.
In one or more exemplary designs, the described above-mentioned functions of the utility model embodiment can realize in hardware, software, firmware or this three's combination in any.If realize in software, these functions can be stored on the media with computer-readable, or are transmitted on the media of computer-readable with one or more instructions or code form.The computer-readable media comprises the computer storage medium and is convenient to make allows computer program transfer to other local telecommunication media from a place.Storage medium can be the useable medium that any general or special computer can access.For example, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly can be used for carrying or storage can be read the program code of form by general or special computer or general or special processor with instruction or data structure and other media.In addition, any connection can suitably be defined as the computer-readable media, for example, if software is by a coaxial cable, fibre-optic cable, twisted-pair feeder, Digital Subscriber Line (DSL) or also being comprised in the defined computer-readable media with wireless mode transmission such as for example infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with the magnetic duplication data, and video disc carries out the optical reproduction data with laser usually.Above-mentioned combination also can be included in the computer-readable media.
The above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a lightning current shunt is characterized in that, described lightning current shunt comprises:
Deflector guide is used for the shunting lightning current;
Adapter plate is for the tank skin that described deflector guide is fixed in oil tank;
Regulating control is positioned on the described adapter plate, and with described deflector guide adjacency, be used for to regulate described deflector guide, the tank skin maintenance of described deflector guide and described oil tank is electrically connected.
2. lightning current shunt according to claim 1 is characterized in that described lightning current shunt also comprises:
The tension indicator measuring device is positioned on the described deflector guide, is used for the tension force of the described deflector guide of control.
3. lightning current shunt according to claim 1 is characterized in that,
Described deflector guide is the beryllium copper conducting strip.
4. lightning current shunt according to claim 1 is characterized in that,
Described adapter plate is L shaped connecting element.
5. lightning current shunt according to claim 1 is characterized in that,
Described regulating control is governing screw.
6. as lightning current shunt as described in the claim 2, it is characterized in that,
Described tension indicator measuring device is positioned on the tension indicator gage hatch on the described deflector guide.
7. lightning current shunt according to claim 1 is characterized in that,
Described adapter plate is for the tank skin that described deflector guide is fixed in oil tank by floating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591692 CN203047886U (en) | 2012-11-09 | 2012-11-09 | Lightning current shunt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591692 CN203047886U (en) | 2012-11-09 | 2012-11-09 | Lightning current shunt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203047886U true CN203047886U (en) | 2013-07-10 |
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ID=48730867
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220591692 Expired - Fee Related CN203047886U (en) | 2012-11-09 | 2012-11-09 | Lightning current shunt |
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| CN (1) | CN203047886U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326181A (en) * | 2014-10-22 | 2015-02-04 | 中国石油化工股份有限公司 | Floating roof storage tank charge transfer device |
| CN105151584A (en) * | 2015-07-27 | 2015-12-16 | 中国石油化工股份有限公司 | Electric charge transferring device for floating roof storage tank through corona discharge |
| CN110836986A (en) * | 2019-11-25 | 2020-02-25 | 新沂市鑫洋电子有限公司 | Manganese-copper current divider for electronic electric energy meter and application thereof |
| CN111483712A (en) * | 2019-01-25 | 2020-08-04 | 中国石油天然气集团有限公司 | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage tank |
-
2012
- 2012-11-09 CN CN 201220591692 patent/CN203047886U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104326181A (en) * | 2014-10-22 | 2015-02-04 | 中国石油化工股份有限公司 | Floating roof storage tank charge transfer device |
| CN104326181B (en) * | 2014-10-22 | 2017-02-15 | 中国石油化工股份有限公司 | Floating roof storage tank charge transfer device |
| CN105151584A (en) * | 2015-07-27 | 2015-12-16 | 中国石油化工股份有限公司 | Electric charge transferring device for floating roof storage tank through corona discharge |
| CN111483712A (en) * | 2019-01-25 | 2020-08-04 | 中国石油天然气集团有限公司 | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage tank |
| CN111483712B (en) * | 2019-01-25 | 2022-03-01 | 中国石油天然气集团有限公司 | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage tank |
| CN110836986A (en) * | 2019-11-25 | 2020-02-25 | 新沂市鑫洋电子有限公司 | Manganese-copper current divider for electronic electric energy meter and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20211109 |