CN206041483U - Offshore oil production platform dedicated power supply lightning protection device - Google Patents
Offshore oil production platform dedicated power supply lightning protection device Download PDFInfo
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- CN206041483U CN206041483U CN201620846838.7U CN201620846838U CN206041483U CN 206041483 U CN206041483 U CN 206041483U CN 201620846838 U CN201620846838 U CN 201620846838U CN 206041483 U CN206041483 U CN 206041483U
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- lightning protection
- protection device
- production platform
- lightning
- protection module
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Abstract
The utility model discloses an offshore oil production platform dedicated power supply lightning protection device belongs to offshore oil production platform electrical power generating system lightning protection device technical field. Its technical scheme does: an offshore oil production platform dedicated power supply lightning protection device, includes the lightning protection module, still including setting up the outer metal casing of lightning protection module, lightning protection module setting 3 is individual, it is integrated on the circuit board that the lightning protection module becomes star connection, and its output links together to be connected with the shell, its input is connected with treating protection of cables through the wire. The beneficial effects of the utility model are that: and the lightning protection device that adopts electricity leakage -free to flow is guaranteed under the condition that inserts normal operating behind the electrical power generating system, can not increase whole distribution system's leakage current and arouse protection device's malfunction. Ground connection is direct to be connected with the shell body, and installation back casing is as an organic whole with oil production platform, and the distance is almost equal to zero, and the ground connection reactance is minimum, is favorable to lightning current release, and the survival voltage is minimum.
Description
Technical field
The utility model belongs to the technical field of offshore production platform power-supply system lightning protection device, more particularly, to a kind of sea
The Special lightning protection device of upper production platform two-phase power supply, it is adaptable to the electricity consumption of three phase mains in offshore production platform IT power-supply systems
The lightning protection of equipment.
Background technology
With the continuous expansion in offshore oil exploitation field, the quantity of offshore production platform is being continuously increased.With land phase
Than the living environment and condition of offshore production platform is more severe.Thunderstorm time, sea are spacious, isolated offshore production platform
It is the main target being struck by lightning on sea level, the probability that thunderbolt occurs is relatively large.Due to the spy of offshore production platform electric power system
Different property, traditional lightning-protection system of land controller switching equipment cannot meet the requirement of offshore production platform power-supply system lightning protection at all,
Therefore need to be specially adapted for the lightning protection device for electric power of offshore production platform.
Utility model content
For solving the deficiency of above-mentioned prior art, the purpose of this utility model is to provide a kind of offshore production platform two-phase electricity
The special lightning protection device in source.
Invention thinking of the present utility model shows as：Metal shell is selected in outside, internal using leakage current lightning protection unit device
Part, by star protection circuit structure assembly on wiring board, forms the star protection module of leakage current, the earth point of module
It is that the central point of star protection circuit is directly connected with the metal shell of lightning protection device for electric power.Protection module draws three terminals
Son, during installation, power line passes through enclosure interior, is not required to block, is fixedly connected by only needing strip off crust.
A kind of offshore production platform power source special lightning protection device, including lightning-protection module, also including being arranged on the lightning protection mould
Metal shell outside block, the lightning-protection module arrange 3, and the lightning-protection module is integrated in the circuit board into Y-connection, and which is defeated
Go out end to link together, and and cage connection, its input is by wire and cable connection to be protected；The shell is arranged
There is the through hole passed through for cable to be protected；
The shell is cube, and including lid and box body, two adjacent sides of the box body are provided with chute, described
Being provided with chute can be along the baffle plate of slide.
Preferably, the shell is by conducting electricity very well, and waterproof, antirust, anti-salt, explosion-proof material are made.
Preferably, the upper and lower both sides of the baffle plate arrange flange.
Preferably, clamping screw is provided with the chute.
Preferably, the lightning-protection module adopts leakage current lightning protection components and parts.
During utility model works, this device is fixed on into installation site, cable to be protected is passed through into shell, will with wire
The input of lightning-protection module is got up with cable connection to be protected.The position of regulating fender so as to the body surface installed with device
Be brought into close contact, then with turn bolt locking baffle plate.If existed between the bottom of device and mounting surface compared with big gap,
Be typically employed in the way for installing therebetween pad additional, baffle plate can also Auxiliary support pad install, prevent pad from also not pacifying
Install into and front fall from gap.
By test, the beneficial effects of the utility model are that star protection structure is exclusively used in offshore production platform IT power supplys
System.And using the lightning protection device of leakage current, it is ensured that after power-supply system is accessed in the case of normal operation, will not
Increase the leakage current of whole distribution system and cause the misoperation of protection device.Ground connection is directly connected with shell body, installs back cover
Body is integrated with production platform, and distance is almost equal to zero, and earthing reactance is minimum, is conducive to lightning current to discharge, and residual voltage is minimum.Electricity
Source circuit direct puncture formula is fixedly connected, and does not block power line, does not increase new wiring impedance, and lightning current will not increase voltage when discharging
Drop.
Description of the drawings
Overall structure diagrams of the Fig. 1 for the utility model embodiment.
Fig. 2 is the utility model internal protection circuitry schematic diagram.
Fig. 3 is the utility model cut-away view.
Wherein, reference is：1st, lightning-protection module；2nd, protection module；3rd, through hole；4th, cable to be protected；7th, shell；8th, it is sliding
Groove；9th, baffle plate；10th, bolt.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to the utility model.Certainly, specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Embodiment 1
Referring to Fig. 1 to Fig. 3, the utility model is a kind of offshore production platform power source special lightning protection device, as sea is adopted
Oily platform power power-supply system is generally IT system, no zero line, and including lightning-protection module 1, lightning-protection module 1 is used without electric leakage
The protection device of stream, such as gas-discharge tube, arrange 3 altogether, respectively between connection and phase line and earth point, composition star protection mould
Block 2；Both circuit three-phase equilibrium operating had been can guarantee that, simultaneously because adopting leakage current device, will not have increased whole during normal operation
The Ground leakage current of system and cause the misoperation of protection device.Whole protective loop is installed concentratedly together, forms protection mould
Block 2, also including the metal shell 7 being arranged on outside protection module 2, shell 7 is cube, and including lid and box body, box body is adjacent
Two sides be provided with chute 8, is provided with the baffle plate 9 that can be slided along chute 8 in chute 8.Baffle plate about 9 both sides arrange turn over
Side.Clamping screw 10 is provided with chute 8.Shell 7 is made up of stainless steel material.
During device in-site installation, three power supply phase line direct punctures of offshore production platform cross crust of the device 7, and three from protection module
The wire drawn in 2 and three 4 respective confluces of cable to be protected, the insulating outer layer strip off at this respectively will with clamp
Cable and wire are fixedly connected.Electric wire can not either be so blocked, follow-up equipment electricity consumption is not affected, and after device more
Change also very convenient.Cable is attached with most short distance with protection module 2, and reactance value is minimum, in release lightning surge
When, release current enters the remaining overvoltage caused during ground will be minimum, can preferably protect the safety of follow-up electrical equipment.Protect
Wiring board in shield module 2 is fixed on 7 base plate of device metal shell, and earth point is directly connected with device metal shell 7, need not
Ground lead is further added by, zero ground connection line length is realized.Then the position of regulating fender 9 so as to the body surface installed with device
Be brought into close contact, then with turn bolt 10 locking baffle plate 9.If there is larger seam between the bottom of device and mounting surface
Gap, is typically employed in the way for installing therebetween pad additional, baffle plate 9 can also Auxiliary support pad install, prevent pad also
Fall from gap before non-installation.
The utility model can pass through or be realized using prior art without the technical characteristic of description, will not be described here,
Certainly, described above is not that, to restriction of the present utility model, the utility model is also not limited to the example above, this technology neck
Change, remodeling, addition or replacement that the those of ordinary skill in domain is made in essential scope of the present utility model, should also belong to
Protection domain of the present utility model.
Claims (5)
1. a kind of offshore production platform power source special lightning protection device, including lightning-protection module（1）, it is characterised in that also including setting
In the lightning-protection module（1）Outer metal shell（7）, the lightning-protection module（1）Several are set, the lightning-protection module（1）Into
Y-connection is integrated in the circuit board, and its output end links together, and and shell（7）Connection, its input pass through wire
With cable connection to be protected；The shell（7）It is provided with the through hole passed through for cable to be protected（3）；
The shell（7）For cube, including lid and box body, two adjacent sides of the box body are provided with chute（8）, institute
State chute（8）Inside being provided with can be along chute（8）The baffle plate of slip（9）.
2. offshore production platform power source special lightning protection device according to claim 1, it is characterised in that the shell（7）
By conducting electricity very well, and waterproof, antirust, the material of anti-salt are made.
3. offshore production platform power source special lightning protection device according to claim 1, it is characterised in that the baffle plate（9）
Both sides arrange flange up and down.
4. offshore production platform power source special lightning protection device according to claim 1, it is characterised in that the chute（8）
On be provided with clamping screw（10）.
5. offshore production platform power source special lightning protection device according to claim 1, it is characterised in that the lightning-protection module
（1）Arrange 3 altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620846838.7U CN206041483U (en) | 2016-08-08 | 2016-08-08 | Offshore oil production platform dedicated power supply lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620846838.7U CN206041483U (en) | 2016-08-08 | 2016-08-08 | Offshore oil production platform dedicated power supply lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041483U true CN206041483U (en) | 2017-03-22 |
Family
ID=58307989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620846838.7U Active CN206041483U (en) | 2016-08-08 | 2016-08-08 | Offshore oil production platform dedicated power supply lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041483U (en) |
-
2016
- 2016-08-08 CN CN201620846838.7U patent/CN206041483U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |