CN207111312U - Lightning-protective cable system and the wind power generating set with the system - Google Patents
Lightning-protective cable system and the wind power generating set with the system Download PDFInfo
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- CN207111312U CN207111312U CN201720330157.XU CN201720330157U CN207111312U CN 207111312 U CN207111312 U CN 207111312U CN 201720330157 U CN201720330157 U CN 201720330157U CN 207111312 U CN207111312 U CN 207111312U
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- lightning
- cable
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- leader
- protective cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Elimination Of Static Electricity (AREA)
Abstract
The utility model discloses a kind of lightning-protective cable system and the wind power generating set with the system, the lightning-protective cable system include lightning-protective cable, obtaining widget, controller and display unit；Lightning-protective cable system obtains the internal current signal of leader cable by obtaining widget first, secondly controller judges the size of leader cable internal current value according to current signal, and preset value is more than or equal to using the current value inside leader cable and sends current value of the idsplay order inside display unit, display unit display leader cable as condition.So, operating personnel can understand the details for the blade being struck by lightning in time according to the display of display unit, be advantageous to improve the safety in utilization of blade.
Description
Technical field
It the utility model is related to lightning-protective cable technical field, more particularly to a kind of lightning-protective cable system and with the system
Wind power generating set.
Background technology
Wind power generating set is the expensive equipment of wind power plant, and price accounts for wind energy project investment more than 60%.If it is by thunder
(particularly blade and generator expensive items are struck by lightning) is hit, in addition to the gained that should be generated electricity during losing reparation, also
Bear the great expense of dismounting and the renewal of damaged parts.There is 1%~2% runner bucket in the world by lightening strikes every year.
In the damage that blade is struck by lightning, majority is easily repaired in blade tip, but a few cases then will more whole blade.Be struck by lightning blower fan
Usually cause the overvoltage of Mechatronic Systems, cause the burning of blower fan Automated condtrol and communication device, generator breakdown, electrically set
The accidents such as standby damage.So damage to crops caused by thunder is the serious problems for threatening fan safe economical operation.
How to avoid wind power generating set from being struck by lightning, be the technical problem that those skilled in that art pay close attention to all the time.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of lightning-protective cable system, including lightning-protective cable, it is described to keep away
Thunder and lightning cable includes at least one branch cable of leader cable and/or the connection leader cable, in addition to lower component：
Obtaining widget, for obtaining the internal current signal of the leader cable；
Controller, receiver port are connected with the signal issuing side mouth of the obtaining widget, and the controller is according to obtaining
The current signal that takes calculates the current value inside the leader cable, and be more than with the current value inside the leader cable or
It is that condition sends idsplay order equal to preset value；
Display unit, the current value inside the leader cable is shown according to the idsplay order.
Lightning-protective cable system in the utility model obtains the internal current signal of leader cable by obtaining widget first, its
Secondary control device judges the size of leader cable internal current value according to current signal, and be more than with the current value inside leader cable or
It is that condition sends current value of the idsplay order inside display unit, display unit display leader cable that person, which is equal to preset value,.
So, operating personnel can understand the details for the blade being struck by lightning in time according to the display of display unit, have
Beneficial to the safety in utilization for improving blade.
Optionally, in addition to the induction coil of closed-loop path is connected to, the induction coil is sheathed on the leader cable
Periphery；The obtaining widget obtains the current signal of the induction coil.
Optionally, the lightning-protective cable is also coated on the insulating barrier of the leader cable, and the induction coil is sheathed on
The periphery of the insulating barrier, and the induction coil is located at the leader cable close to the leader cable close to the portion of root of blade
Point.
Optionally, in addition to wireless transport module, the obtaining widget pass through the wireless transport module and the control
Device passes through wireless connection.
Optionally, in addition to the iron core closed and the winding being wound on the iron core, the winding form closed-loop path,
The root of the leader cable is grounded after being wound in the iron core, and the obtaining widget obtains the electricity of closed-loop path residing for the winding
Stream.
Optionally, the controller also has location information module, and the location information module prestores each described lightning-arrest
The positional information of cable；The display unit shown always according to the idsplay order match with the current value it is described lightning-arrest
The positional information of cable.
Optionally, the display unit yet further still according to the idsplay order show obtain the current value it is specific when
Between.
Optionally, the controller also has logging modle, for recording the current value, matching with the current value
The lightning-protective cable positional information and the time.
In addition, the utility model additionally provides a kind of wind power generating set, including tower and at least one blade, also wrap
Include the lightning-protective cable system described in any of the above-described, the free end and phase on the blade of the leader cable and the branch cable
Flash-point connection should be connect.
Because wind power generating set provided by the utility model has an above-mentioned lightning-protective cable system, therefore wind power generating set
Above-mentioned technique effect with above-mentioned lightning-protective cable system.
Brief description of the drawings
Fig. 1 is the structured flowchart of lightning-protective cable system in a kind of specific embodiment of the utility model；
Fig. 2 is the structural representation of lightning-protective cable system in a kind of specific embodiment of the utility model.
Wherein, in Fig. 1 and Fig. 2：
Lightning-protective cable 10, leader cable 11, branch cable 12；
Induction coil 20；
Obtaining widget 30；
Blade 40.
Embodiment
For the problem of lightning mentioned in background technology, those skilled in that art are generally in the blade of wind power generating set
Position is installed by lightning-protective cable.Specifically, flash-point is connect in the position for being easiest to the be struck by lightning selection of blade first, then by thunder-and lightning protection
The upper end of cable, which is fixed on, connects flash-point, and the lower end of lightning-protective cable is grounded.So when blade is struck by lightning, electric current on blade can be with
Conduct to greatly, avoiding blade along leader cable and be damaged by thunderbolt.
The primary structure of lightning-protective cable includes leader cable, typically also includes at least one branch cable, and branch cable passes through
Positioning element is fixedly connected with leader cable, after the electric current of branch cable is pooled to leader cable, is then transmitted by leader cable to ground.
Branch cable can be a plurality of, and free end is connected to the diverse location of blade respectively, to expand the detection zone to blade.
Herein for the application of lightning-protective cable in the prior art, it is found that lightning-protective cable is not have when in use in the prior art
Have whether method monitoring blade was struck by lightning, especially also have no idea to find in time when blade, which is struck by lightning, to be damaged.
On the basis of being found more than, further further investigation proposes a kind of lightning-protective cable system, the thunder-and lightning protection herein
Cable system can understand whether blade is struck by lightning in time.
Herein by taking application of the lightning-protective cable in wind power generating set as an example, technical scheme and technique effect are introduced, certainly,
It will be understood by those skilled in the art that lightning-protective cable provided in this article is not limited to wind power generating set, can also be applied to
Other field.
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with the accompanying drawings and have
The utility model is described in further detail for body embodiment.
Fig. 1 and Fig. 2 are refer to, Fig. 1 is the structured flowchart of lightning-protective cable system in a kind of specific embodiment of the utility model；
Fig. 2 is the structural representation of lightning-protective cable system in a kind of specific embodiment of the utility model.
In a kind of embodiment, lightning-protective cable system provided by the utility model includes lightning-protective cable 10, keeps away
The concrete structure of thunder and lightning cable 10 may be referred to above description.Lightning-protective cable system also includes obtaining widget 30 and controller.
Obtaining widget 30 is used for the internal current signal for obtaining leader cable 11.The inside meeting of leader cable 11 after blade 40 is struck by lightning
Electric current is produced, the size of electric current is relevant with by the order of severity in being struck by lightning, current range substantially tens kiloamperes to hundreds of thousand
Between ampere.In wind-driven generator field, when electric current is less than 50KA (KA/ kiloamperes), it is generally recognized that thunderbolt is to blade more than 40
It will not have an impact, when electric current is more than or equal to 200KA, it is generally recognized that thunderbolt might have damage to blade 40.
The receiver port of controller provided by the utility model is connected with the signal issuing side mouth of obtaining widget 30,
Controller calculates the current value inside leader cable 11 according to the current signal of acquisition, and is more than with the current value inside leader cable 11
Or send idsplay order equal to preset value for condition.Display unit shows the electric current inside leader cable 11 according to idsplay order
Value.
Preset value specifically described herein can be any value, can be zero, i.e., when controller is calculated inside leader cable 11
When current value is not zero, idsplay order is sent, that is, shows the current value for all blades 40 being struck by lightning.Certainly, preset value also may be used
To be not zero, when controller judges that the current value is more than or equal to the preset value that this is not zero, idsplay order is just sent, i.e., only
Show that thunder-strike current is more than the blade 40 of preset value.
Selected preset value can be carried out according to the concrete condition used above.
The internal current that lightning-protective cable system in the utility model obtains leader cable 11 by obtaining widget 30 first is believed
Number, secondly controller judges the size of the internal current value of leader cable 11 according to current signal, and with the electricity inside leader cable 11
It is that condition sends idsplay order inside display unit, display unit display leader cable 11 that flow valuve, which is more than or equal to preset value,
Current value.
So, operating personnel can understand the details for the blade 40 being struck by lightning in time according to the display of display unit,
Be advantageous to improve the safety in utilization of blade 40.
As described above, the electric current inside leader cable 11 is usually kilo-ampere level, requirement of the direct measurement for hardware is higher,
Therefore obtain the electric current inside leader cable 11 in the following ways herein.
In the first embodiment, lightning-protective cable system can also include the induction coil for being connected to closed-loop path
20, induction coil 20 is sheathed on the periphery of leader cable 11, and obtaining widget 30 obtains the current signal of induction coil 20.
Have inside leader cable 11 transient current by when, induction coil 20 produces certain induced-current, obtaining widget
30 obtain the induced-current, and controller is calculated in leader cable 11 by the induced-current and the formula being pre-stored in inside controller
The current value in portion.Wherein being pre-stored in the formula inside controller can draw according to by test of many times or theory deduction, this
The foregoing description that technical staff passes through this paper in field is to be fully able to realize to derive in leader cable 11 using induction coil 20
Electric current.
Obtaining widget 30 obtains the current signal of induction coil 20 in the embodiment, and the current signal is far smaller than main electricity
Electric current in cable 11, the requirement to hardware can be substantially reduced, while reduce lightning-protective cable systematic difference cost.
Specifically, lightning-protective cable 10 is also coated on the insulating barrier of leader cable 11, and induction coil 20 is located at insulating barrier
Periphery, and induction coil 20 is located at leader cable 11 close to the leader cable close to the part of root of blade.
Usually, obtaining widget 30 is arranged at wind power generating set installation site, and controller is located at distant interior.
Therefore in order to transmit conveniently, lightning-protective cable system still further comprises wireless transport module, and obtaining widget 30 is by being wirelessly transferred mould
Block passes through wireless connection with controller.Wireless transport module can be GPS transport modules etc..
In second of embodiment, lightning-protective cable system can also include the iron core of closure and be wound on iron core
Winding, winding forms closed-loop path, and the root of leader cable 11 is grounded after being wound in iron core, and obtaining widget 30 is obtained residing for winding
The electric current of closed-loop path.
Leader cable 11, winding and iron core form current transformer in this embodiment, same by the electric current of detection winding
Sample can derive the internal current of leader cable 11.
Controller can correspond with lightning-protective cable 10, for the purposes of system integration, typically use a controller
Control multiple lightning-protective cables 10.
In the various embodiments described above, controller also has location information module, and location information module prestores each thunder-and lightning protection
The positional information of cable 10；The positional information of lightning-protective cable 10 is the blade 40 of the wind power generating set corresponding to lightning-protective cable 10
Information.Display unit shows the positional information of the lightning-protective cable 10 to match with current value always according to idsplay order.
So, when same controller carries out signal transacting to multiple lightning-protective cables 10 simultaneously, operating personnel pass through display
The display of part is apparent that the current value of lightning-protective cable 10 and the more specific location information of the lightning-protective cable 10.
Display unit can also further show the specific time for obtaining the current value according to idsplay order.Inside controller
With logging modle, the positional information of the lightning-protective cable 10 to match for record current value, with the current value and when
Between.The concrete condition that all blades 40 are struck by lightning at different moments is recorded in inside controller, a data message can be formed, just
Used in post analysis.
On the basis of above-mentioned lightning-protective cable system, the utility model additionally provides a kind of wind power generating set, including tower
Cylinder and at least one blade 40, wind power generating set also include the lightning-protective cable system described in any of the above-described, leader cable 11
With the free end of branch cable 12 is corresponding on blade 40 connects flash-point and connect.
Because wind power generating set provided by the utility model has an above-mentioned lightning-protective cable system, therefore wind power generating set
Above-mentioned technique effect with above-mentioned lightning-protective cable system.
A kind of lightning-protective cable system provided by the utility model and the wind power generating set with the system are entered above
Go and be discussed in detail.Specific case used herein is set forth to principle of the present utility model and embodiment, the above
The explanation of embodiment is only intended to help and understands method and its core concept of the present utility model.It should be pointed out that for this technology
For the those of ordinary skill in field, on the premise of the utility model principle is not departed from, the utility model can also be carried out
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (8)
1. a kind of lightning-protective cable system, including lightning-protective cable, the lightning-protective cable includes leader cable and/or the connection leader cable
At least one branch cable, it is characterised in that also include with lower component：
Obtaining widget, for obtaining the internal current signal of the leader cable；
Controller, receiver port are connected with the signal issuing side mouth of the obtaining widget, and the controller is according to acquisition
The current signal calculates the current value inside the leader cable, and is more than or equal to the current value inside the leader cable
Preset value is that condition sends idsplay order；
Display unit, the current value inside the leader cable is shown according to the idsplay order；
The controller also has location information module, and the location information module prestores the position letter of each lightning-protective cable
Breath；The display unit shows that the position of the lightning-protective cable to match with the current value is believed always according to the idsplay order
Breath.
2. lightning-protective cable system as claimed in claim 1, it is characterised in that also include the line of induction for being connected to closed-loop path
Circle, the induction coil are sheathed on the periphery of the leader cable；The obtaining widget obtains the current signal of the induction coil.
3. lightning-protective cable system as claimed in claim 2, it is characterised in that the lightning-protective cable is also coated on the master
The insulating barrier of cable, the induction coil is sheathed on the periphery of the insulating barrier, and the induction coil is located at the main electricity
Cable is close to the part of root of blade.
4. lightning-protective cable system as claimed in claim 1, it is characterised in that also including wireless transport module, the acquisition unit
Part passes through wireless connection by the wireless transport module and the controller.
5. lightning-protective cable system as claimed in claim 1, it is characterised in that also include the iron core of closure and be wound in the iron
Winding on core, the winding form closed-loop path, and the root of the leader cable is grounded after being wound in the iron core, the acquisition
The electric current of closed-loop path residing for winding described in component retrieval.
6. the lightning-protective cable system as described in any one of claim 1 to 5, it is characterised in that the display unit is also further
The specific time for obtaining the current value is shown according to the idsplay order.
7. lightning-protective cable system as claimed in claim 6, it is characterised in that the controller also has logging modle, is used for
Record the current value, the positional information of the lightning-protective cable to match with the current value and time.
8. a kind of wind power generating set, including tower and at least one blade, it is characterised in that also including claim 1 to 7
The free end of lightning-protective cable system described in any one, the leader cable and the branch cable is corresponding on the blade to connect sudden strain of a muscle
Point connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330157.XU CN207111312U (en) | 2017-03-30 | 2017-03-30 | Lightning-protective cable system and the wind power generating set with the system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330157.XU CN207111312U (en) | 2017-03-30 | 2017-03-30 | Lightning-protective cable system and the wind power generating set with the system |
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| Publication Number | Publication Date |
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| CN207111312U true CN207111312U (en) | 2018-03-16 |
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ID=61596430
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720330157.XU Active CN207111312U (en) | 2017-03-30 | 2017-03-30 | Lightning-protective cable system and the wind power generating set with the system |
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| CN (1) | CN207111312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677997A (en) * | 2017-03-30 | 2017-05-17 | 陈欣 | Lightning-protection cable system and wind generating set with the same |
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2017
- 2017-03-30 CN CN201720330157.XU patent/CN207111312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677997A (en) * | 2017-03-30 | 2017-05-17 | 陈欣 | Lightning-protection cable system and wind generating set with the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210610 Address after: 712000 room 901, block C, QIHANG Times Square, Fengdong new town, Xixian New District, Xi'an City, Shaanxi Province Patentee after: Shaanxi Jinrun Rongguang Energy Technology Co.,Ltd. Address before: 101500 Room 502, unit 3, building 9, lanwenwan community, Shuiyuan Road, Miyun County, Beijing Patentee before: Chen Xin |
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| TR01 | Transfer of patent right |