CN115671630B - Safety system and method for wind driven generator - Google Patents
Safety system and method for wind driven generator Download PDFInfo
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- CN115671630B CN115671630B CN202211364334.8A CN202211364334A CN115671630B CN 115671630 B CN115671630 B CN 115671630B CN 202211364334 A CN202211364334 A CN 202211364334A CN 115671630 B CN115671630 B CN 115671630B
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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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Abstract
The invention discloses a safety system for a wind driven generator, which comprises a support frame, wherein the upper part of the support frame is provided with a mounting groove, a first box body, a gas box and a second box body are arranged in the mounting groove, a first fire extinguishing agent is filled in the first box body, an upper fire extinguishing nozzle is arranged at one end, far away from the mounting groove, of the first box body, a sealing nozzle is arranged at the second box body, a second fire extinguishing agent is filled in the second box body, and a gas generating assembly is fixedly arranged in the gas box. The gas production assembly works to produce gas, the gas is flushed into the first box body and the second box body through the gas box, so that the first extinguishing agent is sprayed out from the upper extinguishing nozzle to cool down and cool down the internal structure, the aim of extinguishing fire is achieved, the gas production assembly pushes the second extinguishing agent to be sprayed out from the sealing nozzle of the box body, the temperature of a fire source is continuously lowered and cooled, the contact between the fire source and air is further reduced, and the extinguishing effect is enhanced.
Description
Technical Field
The invention relates to the field of wind driven generators, in particular to a safety system and a safety method for a wind driven generator.
Background
Wind energy is one of renewable energy sources, and has the characteristics of cleanness and no pollution. Wind power generation converts wind kinetic energy into mechanical kinetic energy and then converts mechanical energy into electric kinetic energy.
The wind driven generator is compact in structure, the space between the shell and the generator is narrow, the problems of overheat short circuit, brake overheat and the like of the generator are easy to occur in long-term operation of the wind driven generator, the engine room is caused to fire, the economic loss can be caused when the fire is not timely extinguished, and safety threat can be caused to surrounding environment and personnel.
Aiming at the technical problems, the Chinese patent application No. CN201210549168.9 discloses a fire extinguishing device special for a wind generating set, in the device, after a first fire extinguishing agent is sprayed out, the fire extinguishing device is subjected to fire extinguishing treatment on the generating set, but the fire extinguishing effect is not ideal due to the fact that only one first fire extinguishing agent is adopted, in addition, the tightness in a cavity after combustion is poor, a spark is easy to contact with external air, and then reburning is caused, so that the fire extinguishing device is invalid.
For this purpose, a safety system and a method for a wind turbine are proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a safety system and a method for a wind driven generator, which can realize secondary fire extinguishment of the wind driven generator, further reduce the contact between a fire source and air after cooling and increase the fire extinguishment effect.
In order to solve the problems, the invention adopts the following technical scheme.
A safety coefficient for aerogenerator, the support column, the shell has been installed to the upper end of support column, is equipped with the generator in the shell, and the flabellum has been installed to the shaft part of generator, safety device is including installing the support frame in the shell, the upper portion of support frame is provided with the mounting groove, first box, gas tank and second box have been installed in proper order along support frame length direction to the mounting groove, first box intussuseption is filled with first fire extinguishing agent, upper portion fire extinguishing spout has been seted up towards the one end of keeping away from the mounting groove to first box, the first pressure release end cap that is used for sealed the spout is installed on the spout of upper portion fire extinguishing spout, sealed spout has been seted up towards the one end of framework link to the second box, sealed spout's spout facial make-up is equipped with the second pressure release end cap that is used for sealed the spout, second box intussuseption is filled with second fire extinguishing agent, the gas tank internal fixed gas production subassembly that the accessible temperature variation triggered, first box, second box are all linked together with the gas tank.
Further, lateral part fire-extinguishing spout that sets up towards the support frame central line is offered to the lateral part of support frame, the lateral part of support frame is provided with the circulation pipeline, first box, lateral part fire-extinguishing spout all communicate each other with the circulation pipeline, the third pressure release end cap that is used for sealed jet orifice is installed on the jet orifice of lateral part fire-extinguishing spout.
Further, the bottom of support frame is equipped with the bottom fire-extinguishing spout that sets up towards the support frame central line, bottom fire-extinguishing spout and circulation pipeline intercommunication each other, the spout of bottom fire-extinguishing spout is equipped with the fourth pressure release end cap that is used for sealed spout on the spout of bottom fire-extinguishing spout.
Further, the mounting groove is transversely formed along the support frame, the guide rail is longitudinally formed along the support frame in the mounting groove, the abutting surface is arranged at the end part of the mounting groove, sliding parts matched with the guide rail are arranged on the side parts of the first box body, the second box body and the gas box, the first box body, the second box body and the gas box can slide along the guide rail in the mounting groove, a quick-connection fixing piece used for fixing the position of the second box body is arranged in the mounting groove, a liquid outlet insertion pipe is arranged on the first box body, an insertion groove is formed in the flow pipe, when one end of the first box body abuts against the abutting surface, one end of the gas box abuts against the other end of the first box body, the other end of the gas box body abuts against the second box body, the quick-connection fixing piece is used for fixing the second box body, and the liquid outlet insertion pipe is fixed in the insertion groove.
Further, be provided with first joint and the second of giving vent to anger on the gas tank and connect, be provided with first inlet slot on the first box, be provided with the second inlet slot on the second box, when the one end of gas tank is fixed with first box mutual conflict, first outlet connection is pegged graft and is fixed in first inlet slot, the other end of gas tank is fixed with the mutual conflict of second box, and the second is pegged graft and is fixed in the second inlet slot.
Further, be provided with the division board in the gas tank, first cavity and second cavity are kept apart to the space in the division board will gas tank looks, first cavity is linked together with first quick-operation joint, and the second cavity is linked together with the second quick-operation joint, produce the gas subassembly and include first gas production portion, second gas production portion and trigger part, first gas production portion installs in first cavity, second gas production portion is fixed to be installed in the second cavity, trigger part installs in the gas tank, trigger part excites second gas production portion through the gas pressure of first gas production portion.
Further, the first gas production portion includes first casing, first casing installs in first cavity, threaded hole has been seted up to the one end of first casing, threaded hole installs the sealing member through threaded connection's mode, set up the mounting hole that runs through on the sealing member, the downthehole joint of mounting has the pilot rope, first casing intussuseption is filled with first gas generator, the one end of pilot rope is pegged graft in first gas generator to can pilot first gas generator, the other end of pilot rope extends towards the direction of keeping away from the mounting hole, the second gas production portion includes the second casing, the second casing is installed in the second cavity, equal intussuseption of second casing is filled with second gas generator, the tip of second casing has installed the striking cap, the intussuseption of striking cap is filled with pilot agent, the pilot agent in the gas striking cap that the trigger part reacted through first gas generator.
Further, the triggering part comprises a triggering rod, the triggering rod is slidably arranged on the isolation plate and penetrates through the isolation plate, a spring is sleeved on the outer wall of one end of the triggering rod, one end of the spring is abutted against the isolation plate, the other end of the spring is abutted against the end part of the triggering rod, the other end of the triggering rod is provided with a triggering head, and the triggering head is matched with the position of the impact fire cap and used for firing the impact fire cap.
Further, a pigment is added to the first fire extinguishing agent.
A method for a safety system of a wind turbine, comprising the steps of:
s1: when the temperature exceeds the set temperature, the gas generating assembly works to generate gas, and the gas is flushed into the first box body and the second box body through the gas box;
s2: the pressure of the first box body is increased to exceed a preset value, so that the first pressure relief plug breaks the first extinguishing agent and is sprayed out from the upper extinguishing nozzle, and the internal structure is cooled;
s3: the pressure in the second box body is increased to exceed a preset value, gas breaks through the second pressure relief plug, and the second extinguishing agent is sprayed out from the sealing nozzle of the box body, so that the internal structure is cooled, and the contact with air is reduced.
Compared with the prior art, the invention has the advantages that:
(1) The invention generates gas through the work of the gas generating component, the gas is flushed into the first box body and the second box body through the gas box, so that the pressure in the first box body and the second box body is increased to exceed a preset value, the first pressure relief plug breaks the first extinguishing agent and is sprayed out of the upper extinguishing nozzle, the internal structure is cooled down and cooled, the aim of extinguishing fire is achieved, and the second extinguishing agent is pushed to be sprayed out of the sealing nozzle of the box body after the first extinguishing agent generated by the gas generating component is sprayed out, the cooling and cooling of the fire source are continuously carried out, the contact between the fire source and air is further reduced, and the extinguishing effect is improved.
(2) According to the invention, under normal pressure, the third pressure relief plug can block the side fire extinguishing nozzle, the fourth pressure relief plug can block the bottom fire extinguishing nozzle to play a sealing role, after the pressure exceeds a set value, the third pressure relief plug and the fourth pressure relief plug are broken, the channels of the side fire extinguishing nozzle and the bottom fire extinguishing nozzle are opened, the first fire extinguishing agent is sprayed out from the side fire extinguishing nozzle and the bottom fire extinguishing nozzle, the fire extinguishing effect is improved, meanwhile, as the circulation pipeline forms a sealing environment, multiple tanks of the first fire extinguishing agent can be filled, the storage capacity of the first fire extinguishing agent is improved, and the fire extinguishing effect is further improved.
(3) The gas generating component can quickly provide gas for the first cavity through the first gas generating part, so that the first fire extinguishing agent is quickly sprayed out to realize quick fire extinguishing, meanwhile, the gas generating component converts the gas generated in the first cavity into kinetic energy through the triggering part to trigger the second gas generating part to react, so that the second gas generating part reacts after a set time to provide gas for the second cavity, the gas is provided for step-by-step reaction, the fire source is firstly extinguished and cooled through the first fire extinguishing agent, and the contact between the fire source and air is reduced through the second fire extinguishing agent, so that the mixed fire extinguishing of the fire source is realized, and the fire extinguishing effect of the safety device is improved.
Drawings
FIG. 1 is a schematic structural diagram of a wind turbine;
FIG. 2 is a schematic diagram of the connection relationship of the present invention within a wind turbine;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic diagram showing the connection relationship between the support frame and the first, gas and second cases;
FIG. 5 is a schematic view of the structure of the support frame of the present invention;
FIG. 6 is a schematic view of the structure of the liquid outlet cannula of the present invention;
FIG. 7 is a schematic illustration of the connection of a first tank, a gas tank and a second tank according to the present invention;
fig. 8 is an enlarged schematic view of the I structure of fig. 7.
The reference numerals in the figures illustrate:
1a, support columns; 1b, a housing; 1c, a generator; 1d, fan blades; 1e, supporting frames; 101. a mounting groove; 2. a first case; 3. a gas box; 4. a second case; 5. first one a fire extinguishing agent; 201. an upper fire suppression spout; 6. a first pressure relief plug; 401. sealing the nozzle; 7. second pressure relief a plug; 8. a second fire extinguishing agent; 102. a side fire suppression nozzle; 103. a flow line; 10. a third pressure relief plug; 104. a bottom fire extinguishing nozzle; 11. a fourth pressure relief plug; 101a, a guide rail; 101b, an interference surface; 101c, quick connecting fixing pieces; 202. a liquid outlet cannula; 105. a plug-in groove; 301. a first quick connector; 302. a second quick connector; 203. a first air inlet slot; 204. a second air inlet slot; 3a, a first cavity; 3b, a second cavity; 911. a first housing; 912. a seal; 913. a pilot rope; 914. first gas a generating agent; 921. a second housing; 922. a second gas generant; 923. striking the fire cap; 924. a igniting agent; 931. a trigger lever; 932. a pressure-bearing part; 933. a spring; 934. a trigger head.
Description of the embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
As shown in fig. 1 to 8, a safety system for a wind driven generator comprises a support column 1a, wherein a shell 1b is arranged at the upper end of the support column 1a, a generator 1c is arranged in the shell 1b, a fan blade 1d is arranged at the shaft part of the generator 1c, the safety device comprises a support frame 1e arranged in the shell 1b, the support frame 1e is arranged in the shell 1b, an installation groove 101 is formed in the upper part of the support frame 1e, a first box body 2, a gas box 3 and a second box body 4 are sequentially and fixedly welded on the installation groove 101 along the length direction of the support frame 1e, a first fire extinguishing agent 5 is filled in the first box body 2, and liquid water is adopted for the first fire extinguishing agent 5. The first box body 2 is provided with an upper fire extinguishing nozzle 201 towards one end far away from the mounting groove 101, the ejection port of the upper fire extinguishing nozzle 201 is provided with a first pressure relief plug 6 for sealing the ejection port in a threaded connection mode, the upper fire extinguishing nozzle 201 is communicated with the first box body 2, the second box body 4 is provided with a sealing nozzle 401 towards one end of the frame body connecting frame, the ejection port of the sealing nozzle 401 is provided with a second pressure relief plug 7 for sealing the ejection port in a threaded connection mode, the first pressure relief plug 6 and the second pressure relief plug 7 are identical in structure, the first pressure relief plug 6 and the second pressure relief plug 7 are made of the same structural material, the outer wall is provided with threads, the outer wall is kept cylindrical under certain pressure, and after the set pressure is exceeded, deformation or fracture is generated to punch out the ejection port, and materials such as plastic, rubber or silica gel can be adopted; under normal pressure state, first pressure release end cap 6 can block up upper portion fire-extinguishing spout 201, and second pressure release end cap 7 can block up sealed spout 401, plays sealed effect, and after pressure exceeded the setting value, first pressure release end cap 6 and second pressure release end cap 7 all broke, opened upper portion fire-extinguishing spout 201, sealed spout 401's passageway. The second fire extinguishing agent 8 is filled in the second box body 4, and the second fire extinguishing agent 8 adopts a carbon dioxide slow release agent and can slowly react to release carbon dioxide. The gas box 3 is fixedly provided with a gas generating component which can be triggered by temperature change, and the first box body 2 and the second box body 4 are communicated with the gas box 3. When the temperature of the wind driven generator exceeds the set temperature, the gas generating assembly works to generate gas, the gas is flushed into the first box body 2 and the second box body 4 through the gas box 3, so that the pressure in the first box body 2 and the second box body 4 is increased to exceed a preset value, the first pressure relief plug 6 is broken to enable the first extinguishing agent 5 to be sprayed out of the upper fire extinguishing nozzle 201, the internal structure is cooled, the fire extinguishing purpose is achieved, then the gas is used for bursting the second pressure relief plug 7, the second extinguishing agent 8 is sprayed out of the box body sealing nozzle 401, the second extinguishing agent 8 fills the space of the wind driven generator, contact with air is reduced, and the fire extinguishing effect is further improved.
The lateral part of support frame 1e has been seted up towards the lateral part fire-extinguishing spout 102 that support frame 1e central line set up, the lateral part of support frame 1e is provided with circulation pipeline 103, first box 2, lateral part fire-extinguishing spout 102 all communicate each other with circulation pipeline 103, the third pressure release end cap 10 that is used for sealed jet orifice has been installed through threaded connection's mode on the jet orifice of lateral part fire-extinguishing spout 102, the bottom of support frame 1e is equipped with the bottom fire-extinguishing spout 104 that sets up towards support frame 1e central line, bottom fire-extinguishing spout 104 communicates each other through the pipeline with circulation pipeline 103, the fourth pressure release end cap 11 that is used for sealed jet orifice has been installed through threaded connection's mode on the jet orifice of bottom fire-extinguishing spout 104. The first pressure relief plug 6, the second pressure relief plug 7, the third pressure relief plug 10 and the fourth pressure relief plug 11 are all made of the same structural materials; under normal pressure state, the third pressure release end cap 10 can block up lateral part fire-extinguishing spout 102, the fourth pressure release end cap 11 can block up bottom fire-extinguishing spout 104, play sealed effect, after pressure exceeds the setting value, third pressure release end cap 10 and fourth pressure release end cap 11 all break, open lateral part fire-extinguishing spout 102, the passageway of bottom fire-extinguishing spout 104, first fire extinguishing agent 5 is spouted from lateral part fire-extinguishing spout 102 and bottom fire-extinguishing spout 104 department, increase the fire-extinguishing effect, simultaneously because circulation pipeline 103 has formed the storage chamber, can the multiscan go into first fire extinguishing agent 5, the storage capacity of first fire extinguishing agent 5 has been improved, further the fire-extinguishing effect has been promoted.
The mounting groove 101 is transversely formed in the support frame 1e, the guide rail 101a is longitudinally formed in the mounting groove 101 in the support frame 1e, the abutting surface 101b is arranged at the end of the mounting groove 101, sliding parts matched with the guide rail 101a are arranged on the side parts of the first box body 2, the second box body 4 and the gas box 3, the first box body 2, the second box body 4 and the gas box 3 can slide in the mounting groove 101 along the direction of the guide rail 101a, the quick connection fixing piece 101c used for fixing the position of the second box body 4 is arranged in the mounting groove 101, an inserting block matched with the guide rail 101a is arranged at the end of the quick connection fixing piece 101c, the end part of the quick connection fixing piece is fixed at the end part of the mounting groove 101 in an inserting mode through bolts, a liquid inserting pipe 202 is arranged on the first box body 2, an inserting groove 105 is formed in the circulating pipeline 103, when one end of the first box body 2 is mutually abutted with the abutting surface 101b, one end of the gas box body 3 is mutually abutted with the other end of the first box body 2, the other end of the gas box body 3 is mutually abutted with the second box body 4, the quick connection fixing piece 101c is used for fixing the position of the second box body 4, the inserting pipe is fixed in the inserting groove 105. When the fire extinguishing agent system is used, the first fire extinguishing agent 5 enters the circulation pipeline 103 through the liquid outlet cannula 202, so that the pipeline layout requirement is simplified, the labor cost is reduced, and the assembly efficiency is improved.
As shown in fig. 1 to 7, a first quick connector 301 and a second quick connector 302 are fixedly connected to a gas tank 3, a first gas inlet slot 203 extending out is formed in one end, facing the gas tank 3, of a first tank body 2, a second gas inlet slot 204 extending out is formed in one end, facing the gas tank 3, of a second tank body 4, when one end of the gas tank 3 is fixedly abutted against the first tank body 2, the first quick connector 301 is fixedly connected with the first gas inlet slot 203 in an inserting manner, and when the other end of the gas tank 3 is fixedly connected with the second tank body 4 in an abutting manner, the second quick connector 302 is fixedly connected with the second gas inlet slot 204 in an inserting manner. During assembly, an operator can rapidly complete the assembly of the first box body 2, the second box body 4 and the gas box 3 in a sliding mode, the laying time of a pipeline is simplified while the fire extinguishing structure is not influenced, the overall structure is further optimized, and the assembly cost is reduced.
The gas tank 3 is internally provided with a separation plate 3c, the separation plate 3c separates the space in the gas tank 3 from a first cavity 3a and a second cavity 3b, the first cavity 3a is communicated with a first quick connector 301, the second cavity 3b is communicated with a second quick connector 302, the gas generating component comprises a first gas generating part, a second gas generating part and a triggering part, the first gas generating part is arranged in the first cavity 3a, the second gas generating part is fixedly arranged in the second cavity 3b, the triggering part is arranged in the gas tank 3, and the triggering part excites the second gas generating part through the gas pressure of the first gas generating part. During the use, the gas production mode and the gas production time of first gas production portion and second gas production portion can be controlled independently, first gas production portion is through the automatic gas production that ignites of heat realization, can provide gas for first cavity 3a fast, make first fire extinguishing agent blowout fast, realize putting out a fire fast, the gas that produces in the trigger part will first cavity 3a converts kinetic energy, arouse the reaction of second gas production portion, cause the reaction of second gas production portion after the time of setting for second cavity 3b provides gas, thereby carry out the step-by-step reaction, firstly put out a fire the cooling through first fire extinguishing agent, reduce the contact of fire source and air through second fire extinguishing agent 8, realized putting out a fire to the mixture of fire source, safety device's fire extinguishing effect has been improved.
The first gas generating part comprises a first shell 911, the first shell 911 is fixed in the first cavity 3a in a threaded connection mode, a threaded hole is formed in one end of the first shell 911, a sealing element 912 is installed in the threaded hole in a threaded connection mode, and the sealing element 912 can be made of silica gel; the sealing piece 912 is provided with a penetrating mounting hole, a pilot rope 913 is inserted into the mounting hole, a first gas generating agent 914 is filled in the first shell 911, one end of the pilot rope 913 is inserted into the first gas generating agent 914 and can pilot the first gas generating agent 914, the other end of the pilot rope 913 extends out of the first cavity 3a towards the direction away from the mounting hole, the pilot rope 913 automatically burns after exceeding the set temperature, so that the pilot rope 913 ignites the first gas generating agent 914 to generate gas, and the gas generating device has the advantage of high reaction speed and can rapidly provide gas for the first cavity 3a, wherein the first gas generating agent 914 can adopt products such as sodium carbide; the second gas production portion includes second casing 921, second casing 921 passes through threaded connection's mode to be fixed in second cavity 3b, the equal intussuseption of second casing 921 is filled with second gas generation agent 922, striking hood 923 has been installed to the tip of second casing 921, the intussuseption of striking hood 923 is filled with igniting agent 924, the gas that the triggering portion reacted through first gas generation agent 914 fires the igniting agent 924 in the striking hood 923, igniting agent 924 fires second gas generation agent 922, produce gas, can provide gas for second cavity 3b fast, wherein first gas generation agent 914 can adopt products such as fold sodium carbide, first gas production portion and second gas production portion all adopt detachable design, the installation of being convenient for, safety device's assembly efficiency has been improved.
The trigger part comprises a trigger rod 931, the trigger rod 931 is slidably arranged on the isolation plate 3c and penetrates through the isolation plate 3c, one end of the trigger rod 931 is provided with a pressure-bearing part 932, the pressure-bearing part 932 is in a horn shape, the pressure-bearing part 932 is located in the first cavity 3a, a spring 933 is sleeved on the outer wall of one end of the trigger rod 931 located in the first cavity 3a, one end of the spring 933 is abutted against the isolation plate 3c, the other end of the spring 933 is abutted against the pressure-bearing part 932, the elastic force of the spring 933 can enable the trigger rod 931 to move towards a direction far away from the second cavity 3b, the other end of the trigger rod 931 is provided with a trigger head 934, the trigger head 934 is located in the second cavity 3b, and the trigger head 934 is matched with the position of an impact fire cap 923 and used for firing the impact fire cap 923. When the first gas generating agent 914 burns, the generated gas pushes the pressure-bearing portion 932 to move, the pressure-bearing portion 932 drives the trigger rod 931 to move, the trigger rod 931 drives the trigger head 934 to move, the trigger head 934 triggers the impact fire cap 923, the impact fire cap 923 can convert mechanical energy into heat energy (flame), the impact fire cap 923 ignites the second gas generating portion to provide gas for the second cavity 3b, so that the second gas generating portion performs step-by-step reaction after the first gas generating portion works.
The first extinguishing agent 5 is added with a pigment. Wherein, the pigment can adopt black, such as carbon black, so that the first fire extinguishing agent 5 can rapidly mark the wind driven generator after being sprayed out, thereby playing a role in warning.
A method for a safety system of a wind turbine, comprising the steps of:
s1: when the temperature exceeds the set temperature, the gas generating assembly works to generate gas, and the gas is flushed into the first box body 2 and the second box body 4 through the gas box 3;
s2: the pressure of the first box body 2 is increased to exceed a preset value, so that the first pressure relief plug 6 breaks the first extinguishing agent 5 and sprays the first extinguishing agent out of the upper extinguishing nozzle 201, and the internal structure is cooled;
s3: the pressure in the second tank 4 increases to exceed a preset value, the gas breaks through the second pressure relief plug 7, the second extinguishing agent 8 is sprayed out from the tank sealing nozzle 401, the internal structure is cooled, and the contact with air is reduced.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (2)
1. The utility model provides a safety coefficient for aerogenerator, includes support column (1 a), and shell (1 b) are installed to the upper end of support column (1 a), is equipped with generator (1 c) in shell (1 b), and the shaft part of generator (1 c) is equipped with flabellum (1 d), its characterized in that: the safety device comprises a support frame (1 e) arranged in a shell (1 b), an installation groove (101) is formed in the upper portion of the support frame (1 e), a first box body (2), a gas box (3) and a second box body (4) are sequentially arranged in the length direction of the support frame (1 e), a first extinguishing agent (5) is filled in the first box body (2), an upper extinguishing spout (201) is formed in the first box body (2) towards one end far away from the installation groove (101), a first pressure relief (6) for sealing the ejection opening is formed in the ejection opening of the upper extinguishing spout (201), the upper extinguishing spout (201) is connected with the first box body (2), a sealing spout (401) is formed in one end of the second box body (4) towards the frame body, a second pressure relief (7) for sealing the ejection opening is formed in the ejection opening of the sealing spout, a second extinguishing agent (8) is filled in the second box body (4), a first plug (3) is arranged on the ejection opening of the upper extinguishing spout, and the first plug (3) can be fixedly connected with the first box body (4), and the second box body (3) can be triggered to produce a change in temperature;
the side part of the support frame (1 e) is provided with a side part fire extinguishing nozzle (102) arranged towards the center line of the support frame (1 e), the side part of the support frame (1 e) is provided with a circulation pipeline (103), the first box body (2) and the side part fire extinguishing nozzle (102) are communicated with the circulation pipeline (103), and a third pressure relief plug (10) for sealing the ejection opening is arranged on the ejection opening of the side part fire extinguishing nozzle (102);
the bottom of the support frame (1 e) is provided with a bottom fire extinguishing nozzle (104) arranged towards the center line of the support frame (1 e), the bottom fire extinguishing nozzle (104) is communicated with the circulating pipeline (103), and a fourth pressure relief plug (11) for sealing the spray opening is arranged on the spray opening of the bottom fire extinguishing nozzle (104);
the mounting groove (101) is transversely formed in the mounting groove (101) along the supporting frame (1 e), a guide rail is longitudinally formed in the mounting groove (101) along the supporting frame (1 e), an abutting surface (101 b) is arranged at the end part of the mounting groove (101), sliding parts matched with the guide rail are arranged on the side parts of the first box body (2), the second box body (4) and the gas box (3), the first box body (2), the second box body (4) and the gas box (3) can slide in the mounting groove (101) along the direction of the guide rail, a quick connection fixing piece (101 c) used for fixing the position of the second box body (4) is arranged in the mounting groove (101), a liquid outlet insertion pipe (202) is arranged at one end, close to the gas box (3), of the first box body (2), an insertion groove (105) is arranged on the circulation pipeline (103), when one end of the first box body (2) and the abutting surface (101 b) are mutually matched, one end of the gas box body (3) and the other end of the first box body (2) are mutually abutted, the other end of the gas box body (3) is mutually abutted with the other end of the first box body (2) and the other end of the gas box body (3) is mutually fixedly connected with the second box body (4), and the liquid outlet insertion pipe (202), and the other end of the first box body (2) are mutually fixedly connected with the second box body, and the second box body, respectively.
The gas box (3) is provided with a first quick connector (301) and a second quick connector (302), a first gas inlet slot (203) is formed in the first box body (2), a second gas inlet slot (204) is formed in the second box body (4), when one end of the gas box (3) is mutually abutted to be fixed with the first box body (2), the first quick connector (301) is fixedly connected with the first gas inlet slot (203) in an inserting mode, and when the other end of the gas box (3) is mutually abutted to be fixed with the second box body (4), the second quick connector (302) is fixedly connected with the second gas inlet slot (204) in an inserting mode;
the gas box (3) is internally provided with a separation plate (3 c), the separation plate (3 c) separates a first cavity (3 a) and a second cavity (3 b) from a space in the gas box (3), the first cavity (3 a) is communicated with a first quick connector (301), the second cavity (3 b) is communicated with a second quick connector (302), the gas generating assembly comprises a first gas generating part, a second gas generating part and a triggering part, the first gas generating part is arranged in the first cavity (3 a), the second gas generating part is fixedly arranged in the second cavity (3 b), and the triggering part is arranged in the gas box (3) and excites the second gas generating part through the gas pressure reacted by the first gas generating part;
the first gas generating part comprises a first shell (911), the first shell (911) is arranged in a first cavity (3 a), a threaded hole is formed in one end of the first shell (911), a sealing element (912) is arranged in the threaded hole in a threaded connection mode, a penetrating mounting hole is formed in the sealing element (912), a pilot rope (913) is inserted into the mounting hole, a first gas generating agent (914) is filled in the first shell (911), one end of the pilot rope (913) is inserted into the first gas generating agent (914) and can pilot the first gas generating agent (914), the other end of the pilot rope (913) extends towards a direction away from the mounting hole, the second gas generating part comprises a second shell (921), the second shell (921) is fixedly arranged in the second cavity (3 b), a second gas generating agent (922) is filled in each second shell (921), a pilot cap (923) is arranged at the end of the second shell (921), and the pilot rope (923) is filled with the pilot gas generating agent (924) through the pilot cap (923).
The trigger part comprises a trigger rod (931), the trigger rod (931) is slidably arranged on the isolation plate (3 c) and penetrates through the isolation plate (3 c), the trigger rod (931) is arranged on the outer wall of one end of the first cavity (3 a) in a sleeved mode, a spring (933) is arranged at one end of the spring (933) in a propped mode on the isolation plate (3 c), the other end of the spring (933) is arranged at the end portion of the trigger rod (931) in a propped mode, a trigger head (934) is arranged at the other end of the trigger rod (931), and the trigger head (934) is matched with the position of the impact fire cap (923) and used for triggering the impact fire cap (923);
pigment is added to the first fire extinguishing agent (5).
2. A method for a safety system for a wind turbine according to claim 1, comprising the steps of:
s1: when the temperature exceeds the set temperature, the gas generating assembly works to generate gas, and the gas is flushed into the first box body (2) and the second box body (4) through the gas box (3);
s2: the pressure of the first box body (2) is increased to exceed a preset value, so that the first pressure relief plug (6) breaks the first extinguishing agent (5) and is sprayed out from the upper extinguishing nozzle (201), and the internal structure is cooled;
s3: the pressure in the second box body (4) is increased to exceed a preset value, the gas breaks through the second pressure relief plug (7), the second extinguishing agent (8) is sprayed out from the box body sealing nozzle (401), the internal structure is cooled, and the contact with air is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211364334.8A CN115671630B (en) | 2022-11-02 | 2022-11-02 | Safety system and method for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211364334.8A CN115671630B (en) | 2022-11-02 | 2022-11-02 | Safety system and method for wind driven generator |
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| Publication Number | Publication Date |
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| CN115671630A CN115671630A (en) | 2023-02-03 |
| CN115671630B true CN115671630B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211364334.8A Active CN115671630B (en) | 2022-11-02 | 2022-11-02 | Safety system and method for wind driven generator |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6112823A (en) * | 1999-11-09 | 2000-09-05 | O'leary; James | Waste fire suppression control device |
| JP4022110B2 (en) * | 2002-08-08 | 2007-12-12 | 株式会社関電工 | Automatic fire extinguishing system for high-rise structures |
| WO2008146345A1 (en) * | 2007-05-25 | 2008-12-04 | Fenwal Controls Of Japan, Ltd. | Opening part-closing device, fire extinguisher, and nacelle for wind power generator |
| US9956445B2 (en) * | 2010-12-30 | 2018-05-01 | William Armand Enk, SR. | Fire suppression system |
| US8967284B2 (en) * | 2011-10-06 | 2015-03-03 | Alliant Techsystems Inc. | Liquid-augmented, generated-gas fire suppression systems and related methods |
| CN204840728U (en) * | 2015-07-10 | 2015-12-09 | 天津仁博铸件有限公司 | Automatic generator case of putting out a fire |
| CN208541725U (en) * | 2018-07-02 | 2019-02-26 | 大庆安鼎风电技术服务有限责任公司 | A kind of Wind turbines fire plant |
| CN210217992U (en) * | 2019-06-28 | 2020-03-31 | 上海茸润新能源科技有限公司 | Fire-fighting device special for wind generating set |
| CN213220689U (en) * | 2020-05-29 | 2021-05-18 | 湖北及安盾消防科技有限公司 | Fire extinguishing device |
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Effective date of registration: 20230630 Address after: 131100 Ba Lang Zhen Qing Shan Cun, Qianguo County, Songyuan City, Jilin Province Applicant after: Daixu wind energy Co.,Ltd. of former golros Mongolian Autonomous County Address before: 410006 No. 151, Xinsheng Road, Yuelu District, Changsha City, Hunan Province Applicant before: Chen Tingting |
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