CN202737293U - Wind power generator grounding carbon brush device equipped with alarm - Google Patents
Wind power generator grounding carbon brush device equipped with alarm Download PDFInfo
- Publication number
- CN202737293U CN202737293U CN2012203697625U CN201220369762U CN202737293U CN 202737293 U CN202737293 U CN 202737293U CN 2012203697625 U CN2012203697625 U CN 2012203697625U CN 201220369762 U CN201220369762 U CN 201220369762U CN 202737293 U CN202737293 U CN 202737293U
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- CN
- China
- Prior art keywords
- carbon brush
- lightning protection
- cantilever
- incoming cables
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Y02E10/722—
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model provides a wind power generator grounding carbon brush device equipped with an alarm. The device comprises a carbon brush installation cantilever disposed on an installation seat, wherein the carbon brush is disposed below the front of the carbon brush installation cantilever; a conductive braided belt is installed above the carbon brush and penetrates from the carbon brush installation cantilever; a cantilever limiting pin is disposed in the installation seat; an extension spring is connected between the tail portion of the carbon brush installation cantilever and an installation seat; the installation seat is further provided with a stroke switch, a lightning protection device and a circuit breaker; the contact of the stroke switch presses against below the tail portion of the carbon brush installation cantilever; and the stroke switch, the lightening protection device and the circuit breaker are connected through cables. When the carbon brush is worn out and needs to be replaced, the node of the stroke switch is disconnected, and a main controller obtains an alarm signal. The device is reasonable in structural design and is convenient to use and install, can give an alarm when the carbon brush is worn out, and further provides a design of a second time of lightening protection for the carbon brush worn-out alarming circuit, and thus effectively prevents the main control of the wind power generator from damage caused by lightning strokes due to collection of worn-out alarms.
Description
Technical field
The utility model relates to a kind of grounding carbon brush device, particularly a kind of wind-driven generator grounding carbon brush device with warning.
Background technology
The grounding carbon brush of wind turbine generator is the pith in the wind turbine generator lightning protection earthing system, and when the thunderbolt Leaf, if can not in time thunder and lightning be released, the bearing of blower fan main shaft will probably be hit damage.In the prior art, most of blower fan grounding carbon brush does not have the wearing and tearing warning function, is that the mode of making regular check on is carried out to its maintenance.Transportation or Rig up error to carbon brush may make carbon brush that dark slight crack is arranged, and probably fracture when fan operation; At the blower fan high vibration or when suffering thunderbolt to wait other uncertain conditions generations, carbon brush also may damage.If can not in time find, in case blower fan is hit by thunder and lightning, blower fan probably damages even scraps.
Summary of the invention
Technical problem to be solved in the utility model is for the deficiencies in the prior art, and a kind of reasonable in design is provided, and can send warning when carbon brush abrasion puts in place, the wind-driven generator grounding carbon brush device that the protection blower fan avoids the band that is struck by lightning to report to the police.
Technical problem to be solved in the utility model is to realize by following technical scheme.The utility model is a kind of wind-driven generator grounding carbon brush device with warning, be characterized in: this device comprises the carbon brush installation cantilever that is installed on the mount pad, carbon brush is installed in carbon brush the cantilever front lower place is installed, and the conductive braided fabric band is installed in the carbon brush top and from carbon brush cantilever is installed and passes; Be provided with the cantilever spacer pin at mount pad; Between carbon brush installation cantilever afterbody and mount pad, be connected with extension spring; Also be provided with travel switch, lightning protection device and circuit breaker on mount pad, the contact of travel switch is against the below that carbon brush is installed the cantilever afterbody, connects by cable between travel switch, lightning protection device and the circuit breaker.
The wind-driven generator grounding carbon brush device that band described in the utility model is reported to the police advances in the technical scheme, and further preferred technical scheme or feature are:
1. the mount pad bottom is provided with rectangular through-hole, slide block is located in the rectangular through-hole and therefrom passes, slide block is provided with groove, the slide block outside is provided with the installation double-screw bolt, double-screw bolt is installed is provided with lock nut, fix by lock(ing) bolt between slide block and the mount pad, lock(ing) bolt passes and uses fastening nuts from groove.Can conveniently regulate relative installation of the present utility model like this.
2, lightning protection device described in the utility model can be lightning protection device conventional in the prior art, and preferred following lightning protection device: described lightning protection device is provided with 5 binding posts, i.e. end of incoming cables I, end of incoming cables III, leading-out terminal II, leading-out terminal IV and earth terminal; It is anodal that end of incoming cables I meets diode D1, diode D1 negative pole meets a protective resistance F1, the outlet of F1 picks out line end II, a wire in parallel is connected to 1 end of incoming cables of the variable lightning protection resistor of a metal oxide F3 between F1 and leading-out terminal II, the variable lightning protection resistor of this metal oxide by 2 independently the metal oxide variable resistor form, the wherein end parallel connection of these 2 resistance is become 2 advance 1 circuit that goes out, the leading-out terminal of the variable lightning protection resistor of metal oxide F3 is connected to earth terminal; End of incoming cables III meets protective resistance F2, and the outlet of F2 picks out line end IV; 2 wires in parallel between end of incoming cables III and protective resistance F2,1 wire connects another end of incoming cables of the variable lightning protection resistor of metal oxide F3, another root wire connects the utmost point of bi-directional voltage stabilizing diode D2, and another utmost point of bi-directional voltage stabilizing diode D2 is connected to earth terminal;
Described circuit breaker inlet wire termination power, outlet meets lightning protection device end of incoming cables I, and two terminations of travel switch node K2 meet respectively leading-out terminal II and the end of incoming cables III of lightning protection device, the give a dinner for a visitor from afar brush signal of owner control of the leading-out terminal IV of lightning protection device; The give a dinner for a visitor from afar lightning protection device faiture alarm signal of owner control of the outlet of auxiliary contacts of circuit breaker K switch 1.
When the utility model uses, by the double-screw bolt on the slide block support of itself and wind turbine generator is fixed, thereby be installed on the support, the carbon brush in the device is pressed on wind driven generation set main shaft or the Yaw brake block.
Compared with prior art, the utility model reasonable in design, easy to install and use, it can send warning when carbon brush abrasion puts in place, and the secondary lightning protection that has been the brush circuit design further, effectively avoid reporting to the police and the blower fan master control being struck by lightning damage because gathering wearing and tearing.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the right TV structure schematic diagram of Fig. 1;
Fig. 3 is warning circuit schematic diagram of the present utility model.
Embodiment
Referring to accompanying drawing, further describe concrete technical scheme of the present utility model, so that those skilled in the art understands the present invention further, and do not consist of its Copyright law.
During installation, bolt 11 is unclamped adjusting slider 9, make carbon brush 1 over against slideway, again with bolt 11 lockings; Pull down carbon brush 1, lock nut 10, slowly carbon brush is installed cantilever 3 front sides straighten downwards to hear travel switch 6 send " clickly " sound, at this moment the contact of travel switch 6 disconnects, namely device sends the state that wearing and tearing are reported to the police, and the adjusting device angle makes carbon brush the front lower end of cantilever 3 is installed apart from the about 5mm of slideway, be installed in the double-screw bolt on the slide block 9 on the support of blower fan support with lock nut 10, at last carbon brush is installed 3 the past of cantilever layback and risen, carbon brush 1 is installed, conductive braided fabric band 2 is connected.When carbon brush abrasion when spacing, as shown in Figure 2, the travel switch node disconnects, the warning of wearing and tearing is received in master control.Because being against, the contact of travel switch 6 is installed in carbon brush installation cantilever 3 afterbodys, the front end that carbon brush is installed cantilever 3 is equipped with again carbon brush 1, during lightning strikes, the node two ends of travel switch 6 might produce surge, infringement blower fan master element, need to be for the brush circuit design secondary lightning protection.
Described circuit breaker 8 inlet wire termination powers, outlet meets lightning protection device 7 end of incoming cables I, and travel switch 6 node K2 two terminations meet respectively leading-out terminal II and the end of incoming cables III of lightning protection device 7, the give a dinner for a visitor from afar brush signal of owner control of the leading-out terminal IV of lightning protection device 7; The give a dinner for a visitor from afar lightning protection device faiture alarm signal of owner control of the outlet of circuit breaker 8 auxiliary contact switch K1.
Among Fig. 3, be the lightning protection device electrical schematic diagram in the dotted line frame.When carbon brush abrasion was changed to needs, travel switch node K2 disconnected, and master control obtains alarm signal; In the time of in blower fan is struck by lightning, may produce the induction thunder on the holding wire, produce surge, the lightning protection resistance F3 in the signal circuit starts; If surge is too large, lightning protection resistance F3 can not release surge fully, fast acting fuse F1, F2 will disconnect, and master control will be received warning, if fuse is intact, and with the ground connection diode breakdown, cause ground short circuit, then circuit breaker Q F1 disconnects, and the auxiliary contact K1 of circuit breaker Q F1 will disconnect this moment, master control receives that circuit device disconnects warning, and lightning protection device is changed in prompting.
Claims (3)
1. wind-driven generator grounding carbon brush device with warning, it is characterized in that: this device comprises the carbon brush installation cantilever that is installed on the mount pad, carbon brush is installed in carbon brush the cantilever front lower place is installed, and the conductive braided fabric band is installed in the carbon brush top and from carbon brush cantilever is installed and passes; Be provided with the cantilever spacer pin at mount pad; Between carbon brush installation cantilever afterbody and mount pad, be connected with extension spring; Also be provided with travel switch, lightning protection device and circuit breaker on mount pad, the contact of travel switch is against the below that carbon brush is installed the cantilever afterbody, connects by cable between travel switch, lightning protection device and the circuit breaker.
2. the wind-driven generator grounding carbon brush device of wanting sharp 1 described band to report to the police according to right, it is characterized in that: the mount pad bottom is provided with rectangular through-hole, slide block is located in the rectangular through-hole and therefrom passes, slide block is provided with groove, the slide block outside is provided with the installation double-screw bolt, double-screw bolt is installed is provided with lock nut, fix by lock(ing) bolt between slide block and the mount pad, lock(ing) bolt passes and uses fastening nuts from groove.
3. the wind-driven generator grounding carbon brush device of wanting sharp 1 or 2 described bands to report to the police according to right, it is characterized in that: described lightning protection device is provided with 5 binding posts, i.e. end of incoming cables I, end of incoming cables III, leading-out terminal II, leading-out terminal IV and earth terminal; It is anodal that end of incoming cables I meets diode D1, diode D1 negative pole meets a protective resistance F1, the outlet of F1 picks out line end II, a wire in parallel is connected to 1 end of incoming cables of the variable lightning protection resistor of a metal oxide F3 between F1 and leading-out terminal II, the variable lightning protection resistor of this metal oxide by 2 independently the metal oxide variable resistor form, the wherein end parallel connection of these 2 resistance is become 2 advance 1 circuit that goes out, the leading-out terminal of the variable lightning protection resistor of metal oxide F3 is connected to earth terminal; End of incoming cables III meets protective resistance F2, and the outlet of F2 picks out line end IV; 2 wires in parallel between end of incoming cables III and protective resistance F2,1 wire connects another end of incoming cables of the variable lightning protection resistor of metal oxide F3, another root wire connects the utmost point of bi-directional voltage stabilizing diode D2, and another utmost point of bi-directional voltage stabilizing diode D2 is connected to earth terminal;
Described circuit breaker inlet wire termination power, outlet meets lightning protection device end of incoming cables I, and travel switch node K2 two terminations meet respectively leading-out terminal II and the end of incoming cables III of lightning protection device, the give a dinner for a visitor from afar brush signal of owner control of the leading-out terminal IV of lightning protection device; The give a dinner for a visitor from afar lightning protection device faiture alarm signal of owner control of the outlet of auxiliary contacts of circuit breaker K switch 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203697625U CN202737293U (en) | 2012-07-30 | 2012-07-30 | Wind power generator grounding carbon brush device equipped with alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203697625U CN202737293U (en) | 2012-07-30 | 2012-07-30 | Wind power generator grounding carbon brush device equipped with alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737293U true CN202737293U (en) | 2013-02-13 |
Family
ID=47662955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203697625U Expired - Lifetime CN202737293U (en) | 2012-07-30 | 2012-07-30 | Wind power generator grounding carbon brush device equipped with alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489597A (en) * | 2016-06-09 | 2017-12-19 | 西门子公司 | Lightning conductor system |
-
2012
- 2012-07-30 CN CN2012203697625U patent/CN202737293U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489597A (en) * | 2016-06-09 | 2017-12-19 | 西门子公司 | Lightning conductor system |
| CN107489597B (en) * | 2016-06-09 | 2020-07-03 | 西门子歌美飒可再生能源公司 | Lightning protection system |
| US10753342B2 (en) | 2016-06-09 | 2020-08-25 | Siemens Gamesa Renewable Energy A/S | Lighting protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |