CN216252177U - Novel surge protection device for wind power generation system - Google Patents
Novel surge protection device for wind power generation system Download PDFInfo
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- CN216252177U CN216252177U CN202122393935.9U CN202122393935U CN216252177U CN 216252177 U CN216252177 U CN 216252177U CN 202122393935 U CN202122393935 U CN 202122393935U CN 216252177 U CN216252177 U CN 216252177U
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Abstract
The utility model discloses a novel surge protector for a wind power generation system, which comprises a module base and a module inserting core, wherein a module shell is arranged outside the module inserting core, a tripping device, a piezoresistor, a discharge tube and a test electrode are arranged inside the module inserting core, and a remote signaling indicating device, a wire clamp and a bus bar are arranged inside the module base; the piezoresistor is connected with one end of the discharge tube. According to the utility model, the test point is led out between the piezoresistor and the discharge tube, the test point is convenient for product inspection and maintenance, the tripping device can completely cover the connecting point of the piezoresistor and the tripping electrode, after tripping, the tripping electrode and the piezoresistor cannot generate creepage, the piezoresistor and the discharge tube are placed in the same module, the module can be directly replaced without rewiring under the condition of damage, the disconnection of the piezoresistor and the discharge tube and the whole circuit is realized through the disconnection of one tripping point, and an alarm signal is rapidly sent out.
Description
Technical Field
The utility model belongs to the technical field of lightning protection of wind driven generators, and particularly relates to a novel surge protection device for a wind power generation system.
Background
The protection mode adopted by the existing lightning protection product with the discharge tube and the piezoresistor connected in series is L-N, N-PE. Namely, the front 3P of a 4P product is a single voltage dependent resistor module, and the last module is a discharge tube module. This results in the last discharge tube module being subjected to a pulse current of 3 times and being very vulnerable to damage.
The wiring of the wind driven generator is only a live wire and a ground wire, no zero line exists, and the wind driven generator has unfixed rotating speed of fan blades, so that high-frequency harmonic waves can appear in each phase line, and filtering work needs to be carried out on each phase line.
Therefore, it is necessary to invent a novel surge protector for a wind power generation system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a novel surge protector for a wind power generation system to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel surge protector for a wind power generation system comprises a module base and a module inserting core, wherein a module shell is arranged outside the module inserting core, a tripping device, a piezoresistor, a discharge tube and a test electrode are arranged inside the module inserting core, and a remote signaling indicating device, a wire clamp and a bus bar are arranged inside the module base;
the piezoresistor is connected with one end of the discharge tube and forms a test point with the connection part, the piezoresistor comprises two connecting pins at the top and the bottom, and the two connecting pins are pressure-sensitive electrodes;
one end of the discharge tube is connected with the piezoresistor and the test point by adopting high-temperature soldering tin wires, the other end of the discharge tube is connected with a short electrode, the piezoresistor, the test point and the short electrode are all connected by adopting high-temperature soldering tin wires, and one end of the short electrode is connected with the busbar;
the module base is characterized in that an upper cover is arranged at the top of the module base, the upper cover and the module base are integrally formed, a buckle is arranged at the middle position of the module base, and the buckle and the module base are connected in a clamping mode.
Furthermore, the tripping device comprises a tripping slider, a tripping spring and a tripping electrode, wherein one end of the tripping spring is connected with the module plug core, the other end of the tripping spring is connected with the tripping slider, one end of the tripping electrode is welded with a pressure-sensitive electrode at the top of the pressure-sensitive resistor, and the other end of the tripping electrode is connected with the wire clamp.
Furthermore, one end of the piezoresistor is connected with the tripping electrode by adopting low-temperature solder paste, and the other end of the piezoresistor is connected with the discharge tube and the test electrode by adopting a high-temperature solder wire.
Furthermore, the remote signaling indicating device is composed of a remote signaling sliding plate, a remote signaling key plate, a remote signaling spring, a micro switch, a remote signaling circuit board, a remote signaling terminal head and a remote signaling terminal seat, wherein the micro switch, the remote signaling terminal head and the remote signaling terminal seat are all connected with the remote signaling circuit board, one end of the remote signaling spring is arranged in the module base, the other end of the remote signaling spring is connected with the remote signaling key plate, one end of the remote signaling sliding plate is in contact with the remote signaling key plate, and the other end of the remote signaling sliding plate is in contact with the tripping sliding block.
Furthermore, a slide rail and a limiting column are arranged on the module inserting core, a slide groove is arranged on the tripping slide block, the slide groove on the tripping slide block is matched with the slide rail on the module inserting core, and the tripping slide block moves in the module inserting core along the slide rail direction.
Furthermore, a tripping point is formed at the position where the tripping electrode is connected with the piezoresistor, the tripping device moves under the action of a tripping spring, the piezoresistor is disconnected with the tripping electrode, the telecommand sliding plate bounces upwards, and the telecommand key plate is separated from the microswitch.
The utility model has the technical effects and advantages that:
1. the utility model leads out the test point between the piezoresistor and the discharge tube, the test point is convenient for checking and maintaining the product, the tripping device can completely cover the connecting point of the piezoresistor and the tripping electrode, after tripping, the tripping electrode can not generate creepage with the piezoresistor, the piezoresistor and the discharge tube are arranged in the same module, the module can be directly replaced without rewiring under the condition of damage, when the tripping point is disconnected, the tripping slide plate moves along the slide rail of the module insertion core under the action of the tripping spring to cut off the connecting point of the piezoresistor and the tripping electrode, meanwhile, the telecommand slide plate moves upwards under the action of the telecommand key plate and the telecommand spring, the key plate leaves the microswitch, the electric signal is disconnected and outputs a telecommand alarm signal, and the disconnection of the piezoresistor and the discharge tube and the whole circuit is realized through the disconnection of one tripping point, and quickly sends out an alarm signal.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention in a normal operation state;
FIG. 3 is a reverse schematic view of the present invention in a normal operating state;
FIG. 4 is a schematic diagram of the trip state of the present invention;
in the figure: 1. a trip electrode; 2. a module housing; 3. a short electrode; 4. a discharge tube; 5. a module core insert; 6. a voltage dependent resistor; 7. a trip spring; 8. a tripping slide block; 9. a telemetry sled; 10. a test electrode; 11. an upper cover; 12. a wire clamp; 13. a bus bar; 14. a letter key sheet; 15. a remote signaling spring; 16. a microswitch; 17. a remote signaling terminal head; 18. a remote signaling circuit board; 19. a module base; 20. buckling; 21. a remote signaling terminal base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a novel surge protector for a wind power generation system, which comprises a module base 19 and a module inserting core 5, wherein a module shell 2 is arranged outside the module inserting core 5, a tripping device, a piezoresistor 6, a discharge tube 4 and a test electrode 10 are arranged inside the module inserting core 5, and a remote signaling indicating device, a wire clamp 12 and a bus bar 13 are arranged inside the module base 19;
the piezoresistor 6 is connected with one end of the discharge tube 4, and a test point is formed at the connection position, the piezoresistor 6 comprises two connecting pins at the top and the bottom, and the two connecting pins are pressure-sensitive electrodes 601;
one end of the discharge tube 4 is connected with the piezoresistor 6 and the test point by adopting high-temperature soldering tin wires, the other end of the discharge tube is connected with the short electrode 3, the piezoresistor 6, the test point and the short electrode 3 are all connected by adopting high-temperature soldering tin wires, and one end of the short electrode 3 is connected with the busbar 13; the piezoresistor 6, the discharge tube 4 and the test electrode 10 are welded at the same point, the piezoresistor 6 and the discharge tube 4 are directly connected in series in a single module, and the test electrode 10 is led out and used for judging whether the piezoresistor 6 and the discharge tube 4 have faults or not under the condition that the module shell 2 is not disassembled;
the top of the module base 19 is provided with an upper cover 11, the upper cover 11 and the module base 19 are integrally formed, a buckle 20 is arranged in the middle of the module base 19, and the buckle 20 and the module base 19 are clamped.
As shown in fig. 1-4, the trip device includes a trip slider 8, a trip spring 7 and a trip electrode 1, one end of the trip spring 7 is connected with the module plug core 5, the other end is connected with the trip slider 8, one end of the trip electrode 1 is welded with a voltage-sensitive electrode 601 on the top of the voltage-sensitive resistor 6, and the other end is connected with the wire clamp 12; one end of the piezoresistor 6 is connected with the tripping electrode 1 by adopting low-temperature solder paste, and the other end of the piezoresistor is connected with the discharge tube 4 and the test electrode 10 by adopting a high-temperature solder wire; the module core insert 5 is provided with a slide rail and a limiting column, the tripping slide block 8 is provided with a slide groove, the slide groove on the tripping slide block 8 is matched with the slide rail on the module core insert 5, and the tripping slide block 8 moves in the module core insert 5 along the slide rail direction; after the tripping electrode 1 is tripped, the tripping slide block 8 moves to a limit point along the sliding rail direction of the module insertion core 5 under the action of the tripping spring 7, and the tripping electrode 1 and the pressure-sensitive electrode 601 are completely separated after reaching the limit point, so that the arc extinguishing function is realized.
As shown in fig. 1-4, the remote signaling indicating device is composed of a remote signaling sliding plate 9, a remote signaling key plate 14, a remote signaling spring 15, a micro switch 16, a remote signaling circuit board 18, a remote signaling terminal head 17 and a remote signaling terminal base 21, wherein the micro switch 16, the remote signaling terminal head 17 and the remote signaling terminal base 21 are all connected with the remote signaling circuit board 18, one end of the remote signaling spring 15 is arranged in a module base 19, the other end is connected with the remote signaling key plate 14, one end of the remote signaling sliding plate 9 is in contact with the remote signaling key plate 14, and the other end is in contact with a tripping sliding block 8; the connection position of the tripping electrode 1 and the piezoresistor 6 forms a tripping point, the tripping device moves under the action of a tripping spring 7, the piezoresistor 6 is disconnected with the tripping electrode 1, the telecommand sliding plate 9 bounces upwards, and the telecommand key plate 14 is separated from the microswitch 16; the remote signaling sliding plate 9 is in point contact with the tripping sliding block 8, after the tripping sliding block 8 acts, the remote signaling sliding plate 9 moves upwards, the remote signaling key plate 14 moves upwards under the action of the remote signaling spring 15, the micro switch 16 acts, the micro switch 16 is connected with the remote signaling terminal base 21 through the remote signaling circuit board 18, and the remote signaling terminal base 21 is changed from a normally closed state to a normally open state when any micro switch 16 acts, so that an alarm signal is sent;
the utility model leads out the test point between the piezoresistor 6 and the discharge tube 4, the test point is convenient for checking and maintaining the product, the tripping device can completely cover the connection point of the piezoresistor 6 and the tripping electrode 1, after tripping, the tripping electrode 1 can not generate creepage with the piezoresistor 6, the piezoresistor 6 and the discharge tube 4 are arranged in the same module, the module can be directly replaced without rewiring under the condition of damage, when the tripping point is disconnected, the tripping slide plate moves along the slide rail of the module inserting core 5 under the action of the tripping spring 7, the connection point of the piezoresistor 6 and the tripping electrode 1 is cut off, meanwhile, the telecommand slide plate 9 moves upwards under the action of the telecommand key plate 14 and the telecommand spring 15, the telecommand key plate 14 leaves the microswitch 16, the electric signal is disconnected and outputs a telecommand alarm signal, the disconnection of the piezoresistor 6 and the discharge tube 4 and the whole circuit is realized through the disconnection of one tripping point, and quickly sends out an alarm signal.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a novel be used for wind power generation system surge protector, includes module base (19) and module lock pin (5), its characterized in that: a module shell (2) is arranged outside the module insertion core (5), a tripping device, a piezoresistor (6), a discharge tube (4) and a test electrode (10) are arranged inside the module insertion core (5), and a remote signaling indicating device, a wire clamp (12) and a bus bar (13) are arranged inside the module base (19);
the piezoresistor (6) is connected with one end of the discharge tube (4) and forms a test point with the connection part, the piezoresistor (6) comprises a top connecting pin and a bottom connecting pin, and the two connecting pins are piezoelectrodes (601);
one end of the discharge tube (4) is connected with the piezoresistor (6) and the test point by adopting high-temperature soldering wires, the other end of the discharge tube is connected with the short electrode (3), the piezoresistor (6), the test point and the short electrode (3) are connected by adopting high-temperature soldering wires, and one end of the short electrode (3) is connected with the busbar (13);
the module comprises a module base (19), and is characterized in that an upper cover (11) is arranged at the top of the module base (19), the upper cover (11) and the module base (19) are arranged in an integrated manner, a buckle (20) is arranged at the middle position of the module base (19), and the buckle (20) and the module base (19) are connected in a clamping manner.
2. A surge protector for wind power generation systems according to claim 1, wherein: the tripping device comprises a tripping sliding block (8), a tripping spring (7) and a tripping electrode (1), one end of the tripping spring (7) is connected with the module inserting core (5), the other end of the tripping spring is connected with the tripping sliding block (8), one end of the tripping electrode (1) is welded with a pressure-sensitive electrode (601) at the top of the pressure-sensitive resistor (6), and the other end of the tripping electrode is connected with the wire clamp (12).
3. A surge protector for wind power generation systems according to claim 2, wherein: one end of the piezoresistor (6) is connected with the tripping electrode (1) by adopting low-temperature tin paste, and the other end of the piezoresistor is connected with the discharge tube (4) and the test electrode (10) by adopting high-temperature tin wires.
4. A surge protector for wind power generation systems according to claim 1, wherein: the remote signaling indicating device is composed of a remote signaling sliding plate (9), a remote signaling key plate (14), a remote signaling spring (15), a microswitch (16), a remote signaling circuit board (18), a remote signaling terminal head (17) and a remote signaling terminal seat (21), wherein the microswitch (16), the remote signaling terminal head (17) and the remote signaling terminal seat (21) are all connected with the remote signaling circuit board (18), one end of the remote signaling spring (15) is arranged in a module base (19), the other end of the remote signaling spring is connected with the remote signaling key plate (14), one end of the remote signaling sliding plate (9) is in contact with the remote signaling key plate (14), and the other end of the remote signaling sliding plate is in contact with a tripping sliding block (8).
5. A surge protector for wind power generation systems according to claim 2, wherein: the module is characterized in that a sliding rail and a limiting column are arranged on the module inserting core (5), a sliding groove is formed in the tripping sliding block (8), the sliding groove in the tripping sliding block (8) is matched with the sliding rail in the module inserting core (5), and the tripping sliding block (8) moves in the module inserting core (5) along the direction of the sliding rail.
6. A surge protector for wind power generation systems according to claim 2, wherein: the tripping device is characterized in that a tripping point is formed at the position where the tripping electrode (1) is connected with the piezoresistor (6), the tripping device moves under the action of a tripping spring (7), the piezoresistor (6) is disconnected with the tripping electrode (1), the remote signaling sliding plate (9) pops open upwards, and the remote signaling key board (14) is separated from the microswitch (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393935.9U CN216252177U (en) | 2021-09-30 | 2021-09-30 | Novel surge protection device for wind power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393935.9U CN216252177U (en) | 2021-09-30 | 2021-09-30 | Novel surge protection device for wind power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216252177U true CN216252177U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122393935.9U Active CN216252177U (en) | 2021-09-30 | 2021-09-30 | Novel surge protection device for wind power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216252177U (en) |
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2021
- 2021-09-30 CN CN202122393935.9U patent/CN216252177U/en active Active
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