CN101350522B - Method for preventing field operation equipment from thunderbolt and electromagnetic impulse - Google Patents
Method for preventing field operation equipment from thunderbolt and electromagnetic impulse Download PDFInfo
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- CN101350522B CN101350522B CN2008101423845A CN200810142384A CN101350522B CN 101350522 B CN101350522 B CN 101350522B CN 2008101423845 A CN2008101423845 A CN 2008101423845A CN 200810142384 A CN200810142384 A CN 200810142384A CN 101350522 B CN101350522 B CN 101350522B
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Abstract
The present invention provides a protection method of lightning and electromagnetic pulse of field equipment, and relates to the lightning protection method of the equipment. In the method, data-transmission cables are used for serial connection of a plurality of data acquisition stations to form groups; an SPD component of data acquisition station is arranged between the data acquisition stations in one group; each data acquisition station is connected in parallel with a group of sensors and a sensor SPD; the ground wires of a single data acquisition station are connected in parallel to form a grounding chain; the SPD component of data acquisition station consists of a top cover which is connected with the casing, a cone base and a cable; the terminal of the data acquisition station SPD connecting base is arranged in the casing; the lower end of the cone base is connected with a conical down line for grounding. Aiming at the actual situation of geological exploration, the protection method can effectively protect the signal collecting device, data transmitting equipment and data processing equipment. The adoption of double first-level protection leads to the protection of multi-level lightning and electromagnetic pulses. And the method has the advantages of simple structure, convenient installation, simultaneous release of lightning and electromagnetic pulses in different directions, low residual voltage, rapid response time, low costs, and easy mass production.
Description
Technical field:
The present invention relates to the lightning protection method of lightning protection method, the especially camp equipment of equipment.
Background technology:
In recent years, in geological prospecting field work process, the thing that thunderbolt causes the prospecting instrument device damage often taking place, not only cause equipment great number economic loss, has a strong impact on the carrying out of construction schedule simultaneously.Cause the reason of this situation to mainly contain following 2 points:
1, various device inside does not have or lacks the ability of reply direct lightning strike and Lightning Electromagnetic Pulse;
2, the ground connection of the equipment ability that lacks or do not accomplish to release Lightning Electromagnetic Pulse.
Thunder and lightning and electromagnetic pulse must be through reliable downlead and the earthing device big grounds of releasing.For fixing building or instrument and equipment, we can be by special earth mat with thunder and lightning and the electromagnetic pulse big ground of releasing.
The field geology exploration operation is that a kind of job site is unfixing, and is mobile strong, the method for work of instrument and equipment rolling protrusive.The apparatus value of exploration operation is extremely expensive, and millions of easily the assembly distribution is but extremely extensive, belongs to the area, wilderness mostly to tens million of yuans, the invasion and attack of triggered lightning and electromagnetic pulse easily, however equipment does not have effective grounding measures.Attack any point of component network when thunder and lightning and electromagnetic pulse, owing to there is not leakage path, powerful pulse current just barbaric signal picker, data transmission set, power supply unit and the data processing equipment that passes to whole network of moment causes the damage of large-area instrument and equipment.According to statistics, the annual direct economic loss that causes open-air physical prospecting industry instrument and equipment to damage because of thunderbolt reaches millions of and even tens million of units.How reducing and reduce loss is the thing that large-scale state-owned enterprise such as China Petrochemical Industry, PetroChina Company Limited. and each physical prospecting company all very are concerned about.
Summary of the invention:
The objective of the invention is to: a kind of method that is applicable to camp equipment thunder and lightning and electromagnetic pulse protection is provided.
By data transmission cable in groups with several data collection station series connection; A data acquisition station SPD assembly is set between every group of data collection station; Each data collection station one group of transducer in parallel and a transducer SPD; The earth connection of single data collection station composes in parallel the ground connection chain.
Data collection station SPD assembly is made up of top cover, sloped footing and cable that casing connects; Data collection station SPD is set in the casing connects the base binding post; The sloped footing lower end connects taper downlead ground connection.
Data collection station SPD adopts following circuit to connect: Line1 connects MOV1, R1 one end, and the R1 other end connects positive pole of R3, TVS, and the R3 other end connects MOV3, anodal D1 negative pole, the D2 positive pole of connecting of another of TVS; Line connects R2 one end, MOV2, and the R2 other end connects R4 one end, D1 positive pole, D2 negative pole, and the R4 other end connects MOV4; MOV1 connects G1, and MOV2 connects G2, and MOV3 connects G3, and MOV4 connects G4, the other end ground connection of G1, G2, G3, G4.
Transducer SPD adopts following circuit: every line of transducer connects a gas discharge tube, and the discharge tube other end is connected with earthing of casing terminal.
Data collection station is connected with the earth by the ground connection chain that a binding post, ground wire, pedal, taper downlead constitute.
The present invention is directed to the actual conditions of geological prospecting, effectively guard signal collector, data transmission set and data processing equipment.The single-point grounding device, the method for iterative earthing, the principle of two one-level protection, the protection of multistage Lightning Electromagnetic Pulse, characteristics such as the Embedding Material of fire-resistant waterproof and the indication of losing efficacy.The overvoltage protector that designs in view of the above, have simple in structure, easy for installation, release that Lightning Electromagnetic Pulse, the residual voltage of different directions is low, the response time is fast, cost is low, be easy to mass production simultaneously.
The present invention has following characteristics:
1, the data collection station shell constitutes earth electrode;
2, can integral body bury or tread in underground;
3, have wear-resisting, anticorrosion, waterproof, advantage such as explosion-proof, can under various environment mal-conditions, work.
4, afterbody cone-shaped metal earth electrode is convenient to closely be connected with the earth, thus the earth resistance of the single earth electrode of more effective reduction.
5, the multipoint earthing network that is made of data collection station SPD assembly, transducer SPD and ground connection chain effectively remedies single earth electrode earth resistance and can't satisfy the requirement that Lightning Electromagnetic Pulse is released.
Description of drawings:
Accompanying drawing 1 is a control mode connection layout of the present invention;
Accompanying drawing 2 is data collection station SPD electrical schematic diagrams of the present invention;
Accompanying drawing 3 is ground connection chain schematic diagrames of the present invention;
Accompanying drawing 4 is that data collection station SPD assembly master of the present invention looks installation diagram;
Accompanying drawing 5 is data collection station SPD assembly front views of the present invention;
Accompanying drawing 6 is transducer SPD electrical schematic diagrams of the present invention.
Embodiment:
By data transmission cable (9) in groups with several data collection stations (10) series connection; A data acquisition station SPD assembly (8) is set between every group of data collection station (10); Each data collection station (10) one a group of transducer in parallel (13) and a transducer SPD (11); The earth connection of single data collection station (10) composes in parallel ground connection chain (12).Data collection station SPD assembly (8) is made up of top cover (1), sloped footing (6) and cable (3) that casing (4) connects; Data collection station SPD (2) is set in the casing (4) connects sloped footing (6) binding post (5); Sloped footing (6) lower end connects taper downlead (7) ground connection.
Data collection station SPD (2) adopts following circuit to connect: Line1 connects MOV1, F1 one end, and the F1 other end connects positive pole of F3, TVS, and the F3 other end connects MOV3, anodal D1 negative pole, the D2 positive pole of connecting of another of TVS; Line2 connects F2 one end, MOV2, and the F2 other end connects F4 one end, D1 positive pole, D2 negative pole, and the F4 other end connects MOV4; The MOV1 other end connects G1, and the MOV2 other end connects G2, and the MOV3 other end connects G3, and the MOV4 other end connects G4, the other end ground connection of G1, G2, G3, G4.Transducer SPD adopts following circuit to connect: every line connects gas discharge tube G5, a G6, and the discharge tube other end is connected with earthing of casing terminal.Ground connection chain (12) is made up of a binding post (14), ground wire (15), pedal (16), taper downlead (17).Two one-level protection circuits of symmetry guarantee the harm that any direction Lightning Electromagnetic Pulse brings fully.
Because factors such as size, environment, soil resistivity, can't reach the requirement of instrument and equipment to earth resistance, near a plurality of ground connection physical efficiencys that link to each other effectively reduce earth resistance, discharge simultaneously owing to a plurality of data collection stations simultaneously, reduced requirement to single data collection station (10) discharging current, protection for direct lightning strike has remarkable advantages, greatly reduces the cost of data collection station simultaneously.
The earth resistance of single earth electrode is ρ
0, the quantity of the data collection station of near zone (10) is n;
Earth resistance behind the multipoint earthing is ρ
1=ρ
0/ n
Because thunder and lightning and electromagnetic pulse are in transmission course, prolongation along with transmission cable, the time-delay meeting that lightning current is invaded other circuit further strengthens, and impels lightning current as soon as possible along nearby the ground lead the earth of releasing, and has played the effect that prevents that thunder and lightning and electromagnetic pulse from spreading as much as possible.
Claims (3)
1. the method for camp equipment thunder and lightning and electromagnetic pulse protection is characterized in that: by data transmission cable several data collection stations SPD component string is unified into group; Several data collection stations of series connection between per two adjacent data collection station SPD assemblies; Each data collection station connects a transducer SPD, the input of the transducer SPD one group of transducer of connecting; The earth connection of single data collection station composes in parallel the ground connection chain; Data collection station SPD assembly adopts following circuit to connect: power supply/signal I/O one end Line1 connects piezo-resistance MOV1, resistance R 1 one ends, the R1 other end connects resistance R 3, positive pole of voltage stabilizing didoe TVS, the R3 other end connects the power supply/signal I/O end of piezo-resistance MOV3, other direction, another cathode connecting diode D1 negative pole of voltage stabilizing didoe TVS, diode D2 positive pole; Power supply/signal I/O end Line2 connects resistance R 2 one ends, piezo-resistance MOV2, and the R2 other end connects resistance R 4 one ends, D1 positive pole, D2 negative pole, and the R4 other end connects the power supply/signal I/O end of piezo-resistance MOV4, other direction; The piezo-resistance MOV1 other end connects gas discharge tube G1, the piezo-resistance MOV2 other end connects gas discharge tube G2, piezo-resistance MOV3 one end connects gas discharge tube G3, and the piezo-resistance MOV4 other end connects gas discharge tube G4, the other end ground connection of gas discharge tube G1, G2, G3, G4; Transducer SPD adopts following circuit: every line of transducer connects gas discharge tube G5, a G6 respectively, and the gas discharge tube other end is connected with earthing of casing terminal.
2. the method for camp equipment thunder and lightning as claimed in claim 1 and electromagnetic pulse protection is characterized in that: data collection station SPD assembly is made up of top cover, sloped footing and cable that casing connects; Data collection station SPD is set in the casing connects the base binding post; The sloped footing lower end connects taper downlead ground connection.
3. the method for camp equipment thunder and lightning as claimed in claim 1 and electromagnetic pulse protection is characterized in that: data collection station is connected with the earth by the ground connection chain that a binding post, ground wire, pedal, taper downlead constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101423845A CN101350522B (en) | 2008-08-18 | 2008-08-18 | Method for preventing field operation equipment from thunderbolt and electromagnetic impulse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101423845A CN101350522B (en) | 2008-08-18 | 2008-08-18 | Method for preventing field operation equipment from thunderbolt and electromagnetic impulse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101350522A CN101350522A (en) | 2009-01-21 |
| CN101350522B true CN101350522B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101423845A Active CN101350522B (en) | 2008-08-18 | 2008-08-18 | Method for preventing field operation equipment from thunderbolt and electromagnetic impulse |
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| CN (1) | CN101350522B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102041A (en) * | 2006-07-07 | 2008-01-09 | 王勇 | Surge protector with automatic monitoring function |
| CN101169899A (en) * | 2006-10-23 | 2008-04-30 | 孙巍巍 | Signal distributor with electric surge protection |
-
2008
- 2008-08-18 CN CN2008101423845A patent/CN101350522B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102041A (en) * | 2006-07-07 | 2008-01-09 | 王勇 | Surge protector with automatic monitoring function |
| CN101169899A (en) * | 2006-10-23 | 2008-04-30 | 孙巍巍 | Signal distributor with electric surge protection |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2006-325288A 2006.11.30 |
| JP特开2007-259662A 2007.10.04 |
| 赵瞩华等.调度自动化系统浪涌保护器的正确配置.《广东电力》.2005,第18卷(第11期),第10至14页. * |
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| Publication number | Publication date |
|---|---|
| CN101350522A (en) | 2009-01-21 |
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Owner name: SHENZHEN TECHWIN LIGHTNING TECHNOLOGIES CO., LTD. Free format text: FORMER OWNER: ZHAO FUJIANG Effective date: 20110503 |
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Free format text: CORRECT: ADDRESS; FROM: 518055 3/F, BUILDING 2, CHAGUANG INDUSTRIAL PARK, XILI, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518055 A, 3/F, BUILDING 2, INDUSTRIAL PARK, CHAGUANG VILLAGE, SHAHE WEST ROAD, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
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Effective date of registration: 20110503 Address after: 518055, Guangdong, Shenzhen, Nanshan District province Shahe West Road Tea Village Industrial Park two, on the third floor A Applicant after: Zhao Fujiang Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xi Li Light Industrial Park 2 3 floor Applicant before: Zhao Fujiang |
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Addressee: Zhang Ruiping Document name: Notification that Application Deemed not to be Proposed |
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