CN115681032A - Heat dissipation system for wind driven generator - Google Patents
Heat dissipation system for wind driven generator Download PDFInfo
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- CN115681032A CN115681032A CN202211373865.3A CN202211373865A CN115681032A CN 115681032 A CN115681032 A CN 115681032A CN 202211373865 A CN202211373865 A CN 202211373865A CN 115681032 A CN115681032 A CN 115681032A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000010248 power generation Methods 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 108010066057 cabin-1 Proteins 0.000 description 12
- 230000008602 contraction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
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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 application relates to the field of wind power generation, in particular to a heat dissipation system of a wind driven generator, which comprises: the air inlet mechanism is arranged at the bottom of a cabin of the wind driven generator and is used for introducing air into the cabin; the switching mechanism is connected with the air inlet mechanism and is used for cooling the air introduced by the air inlet mechanism; the first air outlet mechanism is arranged on one side, far away from the air inlet mechanism, in the engine room; the first detection mechanism is arranged in the cabin and used for detecting the temperature in the cabin in real time and sending the temperature to the central control unit; and the central control unit is used for adjusting the working state of the switching mechanism according to the temperature in the engine room and the temperature in the hub so as to solve the problems that the existing cooling system for the wind driven generator cannot simultaneously cool the inside of the engine room and the inside of the hub and cannot adjust the running state of the cooling system according to the real-time temperature.
Description
Technical Field
The application relates to the field of wind power generation, in particular to a heat dissipation system of a wind driven generator.
Background
The wind generating set is a generating set which converts wind energy into electric energy, the development trend of large-scale power and size of the wind generating set causes the increase of heat load of an engine room and a hub, the temperature rise inside the engine room and the hub is overhigh, the parts alarm at high temperature and stop the machine, and the like.
The existing heat dissipation system for the wind driven generator can only dissipate heat in the engine room, but can not dissipate heat to the internal space of the hub at the same time to keep the internal space of the hub within a proper temperature range, meanwhile, the existing heat dissipation system can not realize intelligent control, and can not adjust the running state of the heat dissipation system according to real-time temperature.
Disclosure of Invention
In order to solve the problems, the application provides a heat dissipation system for a wind driven generator, which aims to solve the problems that the existing heat dissipation system for the wind driven generator cannot dissipate heat inside an engine room and inside a hub at the same time and cannot adjust the running state of the heat dissipation system according to real-time temperature. The system comprises:
the air inlet mechanism is arranged at the bottom of a cabin of the wind driven generator and is used for introducing air into the cabin;
the switching mechanism is connected to the air inlet mechanism and used for cooling air introduced by the air inlet mechanism to a preset temperature to obtain cold air;
the first air outlet mechanism is arranged on one side, far away from the air inlet mechanism, in the engine room and used for discharging hot air in the engine room;
the first detection mechanism is arranged in the cabin and used for detecting the temperature in the cabin in real time and sending the temperature to the central control unit;
the central control unit is used for adjusting the working state of the switching mechanism according to the temperature in the cabin and the temperature in the hub;
the air inlet mechanism, the switching mechanism, the first detection mechanism, the first air outlet mechanism and the central control unit are electrically connected.
In some embodiments of the present application, a heat dissipation system for a wind turbine further comprises:
the second air outlet mechanism is arranged on the blade of the wind driven generator and used for discharging hot air in the hub;
and the second detection mechanism is arranged in the hub and used for detecting the temperature in the hub in real time and sending the temperature to the central control unit.
In this embodiment, the air inlet mechanism includes:
the air suction inlet is arranged at the bottom of the cabin and is used for sucking outside air into the cabin;
an air filter fixed in front of the air suction inlet, the air filter for filtering the external air;
one end of the air guide pipe is connected with the air suction inlet, and the other end of the air guide pipe is connected with the switching mechanism.
In some embodiments of the present application, the first air outlet mechanism includes:
the air outlets are uniformly arranged on one side, far away from the hub, of the engine room;
the air outlet cover is arranged at the air outlet and is in a contraction shape;
and the air guide cover is arranged at the joint of the engine room and the air outlet mechanism and is used for guiding the air to the air outlet mechanism.
In some embodiments of the present application, the conversion mechanism comprises:
the first fan is arranged on one side, close to the cabin, of the air inlet mechanism and used for blowing air introduced by the air inlet mechanism to the first air cooler;
the first air cooler is fixed on one side of the first fan and used for cooling air introduced by the first fan to a preset temperature to obtain cold air, and the cold air is conveyed into the cabin;
the second fan is arranged on one side, close to the hub, of the air inlet mechanism and used for blowing air introduced by the air inlet mechanism to a second air cooler;
and the second air cooler is fixed on one side of the second fan and used for cooling the air introduced by the second fan to a preset temperature to obtain cold air, and the cold air is conveyed into the hub.
In some embodiments of the present application, the first detecting mechanism is configured to detect a temperature in the cabin in real time and send the detected temperature to a central control unit, and the central control unit adjusts a working state of the converting mechanism according to the temperature in the cabin, specifically:
the central control unit is used for controlling the rotating speed of the first air cooler according to the cabin temperature, and is also used for presetting a cabin temperature matrix T and a first air cooler rotating speed matrix V;
setting T (T1, T2, T3, T4) for the preset cabin temperature matrix T, wherein T1 is the first preset cabin temperature, T2 is the second preset cabin temperature, T3 is the third preset cabin temperature, T4 is the fourth preset cabin temperature, and T1 is more than T2 and more than T3 and more than T4;
setting V (V1, V2, V3, V4) for the preset first air cooler rotation speed matrix V, wherein V1 is a first preset first air cooler rotation speed, V2 is a second preset first air cooler rotation speed, V3 is a third preset first air cooler rotation speed, V4 is a fourth preset first air cooler rotation speed, and V1 is more than V2 and more than V3 and more than V4;
detecting the temperature t in the cabin in real time, and selecting the rotating speed of a first air cooler according to the relation between t and a preset temperature matrix in the cabin:
when T is less than T1, selecting a first preset first air cooler rotating speed V1 as a first air cooler rotating speed;
when T1 is more than or equal to T and less than T2, selecting a second preset first air cooler rotating speed V2 as the first air cooler rotating speed;
when T2 is more than or equal to T and less than T3, selecting a third preset first air cooler rotating speed V3 as the first air cooler rotating speed;
and when the T is more than or equal to T3 and less than T4, selecting a fourth preset rotating speed V4 of the first air cooler as the rotating speed of the first air cooler.
In some embodiments of the present application, the second detecting mechanism is configured to detect the temperature in the hub in real time and send the detected temperature to a central control unit, and the central control unit adjusts the operating state of the switching mechanism according to the temperature in the hub, specifically:
the central control unit is used for controlling the rotating speed of the second air cooler according to the temperature in the hub, and is also used for presetting a temperature matrix N in the hub and a rotating speed matrix K of the second air cooler;
setting N (N1, N2, N3, N4) for the preset hub internal temperature matrix N, wherein N1 is a first preset hub internal temperature, N2 is a second preset hub internal temperature, N3 is a third preset hub internal temperature, N4 is a fourth preset hub internal temperature, and N1 is more than N2 and more than N3 and more than N4;
setting K (K1, K2, K3, K4) for the preset second air cooler rotation speed matrix K, wherein K1 is a first preset second air cooler rotation speed, K2 is a second preset second air cooler rotation speed, K3 is a third preset second air cooler rotation speed, K4 is a fourth preset second air cooler rotation speed, and K1 is more than K2 and less than K3 and less than K4;
detecting the temperature c in the hub in real time, and selecting the rotating speed of a second air cooler according to the relation between c and a preset temperature matrix in the hub:
when c is less than N1, selecting a first preset second air cooler rotating speed K1 as a second air cooler rotating speed;
when N1 is more than or equal to c and less than N2, selecting a second preset second air cooler rotating speed K2 as a second air cooler rotating speed;
when N2 is more than or equal to c and less than N3, selecting a third preset second air cooler rotating speed K3 as the second air cooler rotating speed;
and when the c is more than or equal to N3 and less than N4, selecting a fourth preset second air cooler rotating speed K4 as the second air cooler rotating speed.
In some embodiments of the present application, a heat dissipation system for a wind turbine further comprises:
and the temperature detector is arranged on one side of the air guide pipe close to the air inlet and is used for detecting the temperature of the introduced air.
In some embodiments of the present application, a heat dissipation system for a wind turbine further comprises:
the temperature detector detects the temperature of the introduced air as a, and the operation state of the switching mechanism is judged according to the relation between the air temperature a and a preset temperature Q:
when a is less than Q, the switching mechanism is not started for the moment;
and when the a is larger than or equal to Q, the switching mechanism is started to cool the air temperature a, and when the air temperature a is larger than the preset temperature Q, the air temperature a is conveyed into the engine room and the wheel hub.
In some embodiments of the present application, the central control unit further comprises:
and the early warning module is used for sending a signal to stop the wind power generation set when the temperature in the cabin exceeds a preset temperature threshold value in the cabin or the temperature in the hub exceeds a preset temperature threshold value in the hub.
Compared with the prior art, the cooling system for the wind driven generator has the advantages that:
the application provides a cooling system for aerogenerator, includes: the air inlet mechanism is arranged at the bottom of a cabin of the wind driven generator and is used for introducing air into the cabin; the switching mechanism is connected with the air inlet mechanism and used for cooling the air introduced by the air inlet mechanism to a preset temperature to obtain cold air; the first air outlet mechanism is arranged on one side, far away from the air inlet mechanism, in the engine room and used for discharging hot air in the engine room; the first detection mechanism is arranged in the cabin and used for detecting the temperature in the cabin in real time and sending the temperature to the central control unit; the central control unit is used for adjusting the working state of the switching mechanism according to the temperature in the cabin and the temperature in the hub; the air inlet mechanism, the switching mechanism, the first detection mechanism, the first air outlet mechanism and the central control unit are electrically connected; the second air outlet mechanism is arranged on the blade of the wind driven generator and used for discharging hot air in the hub; the second detection mechanism is arranged in the hub and used for detecting the temperature in the hub in real time and sending the temperature to the central control unit; temperature sends to central control unit in the cabin through first detection mechanism real-time detection, central control unit signals to first air-cooler, the rotational speed through controlling first air-cooler is to the temperature cooling in the cabin, temperature sends to central control unit in the wheel hub through second detection mechanism real-time detection, central control unit signals to the second air-cooler, the rotational speed through controlling the second air-cooler is to the temperature cooling in the wheel hub, in order to solve present cooling system who is used for aerogenerator can not be simultaneously to the cabin inside, the inside heat dissipation of wheel hub, can not carry out the problem of adjusting cooling system's running state according to real-time temperature.
Drawings
FIG. 1 is a schematic view of a heat dissipation system for a wind turbine according to an embodiment of the present disclosure;
fig. 2 is an enlarged schematic view of the air intake mechanism and the conversion mechanism in the embodiment of the present application.
Fig. 3 is a schematic structural diagram of a heat dissipation system for a wind turbine according to an embodiment of the present application.
1. A nacelle; 2. a hub; 3. an air intake; 4. an air filter; 5. an air guide pipe; 6. a first fan; 7. a first air cooler; 8. a second fan; 9. a second air cooler; 10. an air outlet; 11. an air outlet cover; 12. a wind scooper; 13. a first detection mechanism; 14. a second detection mechanism; 15. a second air outlet mechanism; 16. a temperature detector.
Detailed Description
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 and 3, a heat dissipation system for a wind turbine generator according to a preferred embodiment of the present application includes:
the air inlet mechanism is arranged at the bottom of the cabin 1 of the wind driven generator and is used for introducing air into the cabin 1;
the switching mechanism is connected to the air inlet mechanism and used for cooling air introduced by the air inlet mechanism to a preset temperature to obtain cold air;
the first air outlet mechanism is arranged on one side, far away from the air inlet mechanism, in the engine room 1 and is used for discharging hot air in the engine room 1;
the first detection mechanism 13 is arranged in the cabin 1, and the first detection mechanism 13 is used for detecting the temperature in the cabin 1 in real time and sending the temperature to a central control unit;
the central control unit is used for adjusting the working state of the conversion mechanism according to the temperature in the engine room 1 and the temperature in the hub 2;
the air inlet mechanism, the switching mechanism, the first detection mechanism 13, the first air outlet mechanism and the central control unit are electrically connected.
In the embodiment, the temperature is reduced to the preset temperature in the conversion mechanism to obtain the cold air, and the preset temperature is set according to the temperature in the normal operation historical data of the wind generating set.
In some embodiments of the present application, a heat dissipation system for a wind turbine further comprises:
the second air outlet mechanism 15 is arranged on the blade of the wind driven generator, and the second air outlet mechanism 15 is used for discharging hot air in the hub 2;
and the second detection mechanism 14 is arranged in the hub 2, and the second detection mechanism 14 is used for detecting the temperature in the hub 2 in real time and sending the temperature to the central control unit.
In some embodiments of the present application, the air intake mechanism comprises:
an air suction inlet 3 provided at the bottom of the nacelle 1, the air suction inlet 3 being configured to suck outside air into the nacelle 1;
an air filter 4 fixed in front of the air suction port 3, the air filter 4 filtering the outside air;
and one end of the air guide pipe 5 is connected with the air suction port 3, and the other end of the air guide pipe 5 is connected with the switching mechanism.
In some embodiments of the present application, the first air outlet mechanism includes:
the air outlets 10 are uniformly arranged on one side of the engine room 1 far away from the hub 2;
the air outlet cover 11 is arranged at the air outlet 10, and the shape of the air outlet cover 11 is a contraction type;
and the air guide cover 12 is arranged at the joint of the engine room 1 and the air outlet mechanism, and the air guide cover 12 is used for guiding the wind to the air outlet mechanism.
In some embodiments of the present application, as shown in fig. 2, the switching mechanism comprises:
the first fan 6 is arranged on one side of the air inlet mechanism close to the inside of the cabin 1, and the first fan 6 is used for blowing air introduced by the air inlet mechanism to a first air cooler 7;
the first air cooler 7 is fixed on one side of the first fan 6 and used for cooling air introduced by the first fan 6 to a preset temperature to obtain cold air, and the cold air is conveyed into the cabin 1;
the second fan 8 is arranged on one side, close to the hub 2, of the air inlet mechanism, and the second fan 8 is used for blowing air introduced by the air inlet mechanism to the second air cooler 9;
and the second air cooler 9 is fixed on one side of the second fan 8, and the second air cooler 9 is used for cooling the air introduced by the second fan 8 to a preset temperature to obtain cold air, and the cold air is conveyed into the hub 2.
In some embodiments of the present application, the first detecting mechanism 13 is configured to detect a temperature in the nacelle 1 in real time and send the detected temperature to a central control unit, and the central control unit adjusts an operating state of the converting mechanism according to the temperature in the nacelle 1, specifically:
the central control unit is used for controlling the rotating speed of the first air cooler 7 according to the temperature of the cabin 1, and is also used for presetting a temperature matrix T in the cabin 1 and a rotating speed matrix V of the first air cooler 7;
setting T (T1, T2, T3, T4) for the temperature matrix T in the preset engine room 1, wherein T1 is the temperature in the first preset engine room 1, T2 is the temperature in the second preset engine room 1, T3 is the temperature in the third preset engine room 1, T4 is the temperature in the fourth preset engine room 1, and T1 is more than T2 and less than T3 and less than T4;
setting V (V1, V2, V3, V4) for the rotation speed matrix V of the preset first air cooler 7, wherein V1 is the rotation speed of the first preset first air cooler 7, V2 is the rotation speed of the second preset first air cooler 7, V3 is the rotation speed of the third preset first air cooler 7, V4 is the rotation speed of the fourth preset first air cooler 7, and V1 is more than V2 and more than V3 and more than V4;
detecting the temperature t in the cabin 1 in real time, and selecting the rotating speed of the first air cooler 7 according to the relation between the temperature t and a preset temperature matrix in the cabin 1:
when T is less than T1, selecting a first preset rotating speed V1 of the first air cooler 7 as the rotating speed of the first air cooler 7;
when the T1 is more than or equal to T and less than T2, selecting the rotating speed V2 of the second preset first air cooler 7 as the rotating speed of the first air cooler 7;
when the T2 is more than or equal to T and less than T3, selecting a third preset rotating speed V3 of the first air cooler 7 as the rotating speed of the first air cooler 7;
and when the T is more than or equal to T3 and less than T4, selecting the rotating speed V4 of the fourth preset first air cooler 7 as the rotating speed of the first air cooler 7.
In some embodiments of the present application, the second detecting mechanism 14 is configured to detect the temperature inside the hub 2 in real time and send the detected temperature to a central control unit, and the central control unit adjusts the operating state of the switching mechanism according to the temperature inside the hub 2, specifically:
the central control unit is used for controlling the rotating speed of the second air cooler 9 according to the temperature in the hub 2, and is also used for presetting a temperature matrix N in the hub 2 and a rotating speed matrix K of the second air cooler 9;
setting N (N1, N2, N3, N4) for the temperature matrix N in the preset hub 2, wherein N1 is the temperature in the first preset hub 2, N2 is the temperature in the second preset hub 2, N3 is the temperature in the third preset hub 2, N4 is the temperature in the fourth preset hub 2, and N1 is more than N2 and more than N3 and more than N4;
setting K (K1, K2, K3, K4) for the preset second air cooler 9 rotation speed matrix K, wherein K1 is the first preset second air cooler 9 rotation speed, K2 is the second preset second air cooler 9 rotation speed, K3 is the third preset second air cooler 9 rotation speed, K4 is the fourth preset second air cooler 9 rotation speed, and K1 is more than K2 and more than K3 and more than K4;
detecting the temperature c in the hub 2 in real time, and selecting the rotating speed of the second air cooler 9 according to the relation between the temperature c and a preset temperature matrix in the hub 2:
when c is less than N1, selecting the rotating speed K1 of the first preset second air cooler 9 as the rotating speed of the second air cooler 9;
when N1 is more than or equal to c and less than N2, selecting a second preset rotating speed K2 of the second air cooler 9 as the rotating speed of the second air cooler 9;
when N2 is more than or equal to c and less than N3, selecting a third preset rotating speed K3 of the second air cooler 9 as the rotating speed of the second air cooler 9;
and when the c is more than or equal to N3 and less than N4, selecting the fourth preset rotating speed K4 of the second air cooler 9 as the rotating speed of the second air cooler 9.
In some embodiments of the present application, a heat dissipation system for a wind turbine further comprises:
and the temperature monitor 16 is arranged on one side of the air guide pipe 5 close to the air inlet, and the temperature monitor 16 is used for detecting the temperature of the introduced air.
In some embodiments of the present application, a heat dissipation system for a wind turbine further comprises:
the temperature monitor 16 detects the temperature of the introduced air as a, and determines the operation state of the switching mechanism according to the relation between the air temperature a and a preset temperature Q:
when a is less than Q, the switching mechanism is not started for the moment;
and when the a is larger than or equal to Q, the switching mechanism is started to cool the air temperature a, and when the air temperature a is larger than the preset temperature Q, the air temperature a is conveyed into the engine room 1 and the hub 2.
In some embodiments of the present application, the central control unit further comprises:
and the early warning module is used for sending a signal to stop the wind power generation set when the temperature in the engine room 1 exceeds a preset temperature threshold value in the engine room 1 or the temperature in the hub 2 exceeds a preset temperature threshold value in the hub 2.
In this embodiment, when the temperature in the engine room 1 exceeds the preset temperature threshold in the engine room 1 or the temperature in the hub 2 exceeds the preset temperature threshold in the hub 2, the early warning module sends a signal, and sends different early warning signals according to the time difference exceeding the temperature threshold in the hub 2, taking the temperature in the engine room 1 as an example, specifically:
according to the relation between the temperature c in the cabin 1 and the temperature threshold G in the preset cabin 1, judging the operation state of the early warning module:
when c is less than or equal to G, the early warning module does not send a signal;
when c is larger than G, the early warning module sends signals, and the early warning module sends the signals differently according to different time of exceeding a temperature threshold value in the hub 2;
presetting a time interval matrix H exceeding a temperature threshold value in the hub 2, and setting H (H1, H2, H3, H4), wherein H1 is a first preset time interval, H2 is a second preset time interval, H3 is a third preset time interval, H4 is a fourth preset time interval, and H1 is more than H2 and is more than H3 and is more than H4;
according to the relation between the time e exceeding the temperature threshold value in the hub 2 in real time and the time interval matrix exceeding the temperature threshold value in the hub 2 in preset, the signal sent by the early warning module is judged:
when the e is in a first preset time interval, the judgment early warning module sends a general early warning signal;
when the e is in a second preset time interval, judging that the early warning module sends a moderate early warning signal;
when the e is in a third preset time interval, judging that the early warning module sends a severe early warning signal;
and when the e is in a fourth preset time interval, the judgment and early warning module sends an emergency early warning signal.
Those skilled in the art can appreciate that the modules in the system in the implementation scenario may be distributed in the system in the implementation scenario according to the implementation scenario description, and may also be correspondingly changed in one or more systems different from the present implementation scenario. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (10)
1. A heat dissipation system for a wind turbine, comprising:
the air inlet mechanism is arranged at the bottom of the cabin of the wind driven generator and is used for introducing air into the cabin;
the switching mechanism is connected with the air inlet mechanism and used for cooling the air introduced by the air inlet mechanism to a preset temperature to obtain cold air;
the first air outlet mechanism is arranged on one side, far away from the air inlet mechanism, in the engine room and used for discharging hot air in the engine room;
the first detection mechanism is arranged in the cabin and used for detecting the temperature in the cabin in real time and sending the temperature to the central control unit;
the central control unit is used for adjusting the working state of the switching mechanism according to the temperature in the cabin and the temperature in the hub;
the air inlet mechanism, the switching mechanism, the first detection mechanism, the first air outlet mechanism and the central control unit are electrically connected.
2. The heat dissipation system for a wind turbine as defined in claim 1, further comprising:
the second air outlet mechanism is arranged on the blade of the wind driven generator and used for discharging hot air in the hub;
and the second detection mechanism is arranged in the hub and used for detecting the temperature in the hub in real time and sending the temperature to the central control unit.
3. The heat dissipating system for a wind turbine as claimed in claim 1, wherein the air intake mechanism comprises:
the air suction inlet is arranged at the bottom of the cabin and is used for sucking external air into the cabin;
an air filter fixed in front of the air suction inlet, the air filter for filtering the external air;
one end of the air guide pipe is connected with the air suction inlet, and the other end of the air guide pipe is connected with the switching mechanism.
4. The heat dissipation system for a wind turbine according to claim 1, wherein the first air outlet mechanism comprises:
the air outlets are uniformly formed in one side, far away from the hub, of the engine room;
the air outlet cover is arranged at the air outlet and is in a retractable shape;
and the wind scooper is arranged at the joint of the engine room and the air outlet mechanism and is used for leading wind to the air outlet mechanism.
5. The heat dissipation system for a wind turbine according to claim 1, wherein the conversion mechanism comprises:
the first fan is arranged on one side, close to the cabin, of the air inlet mechanism and used for blowing air introduced by the air inlet mechanism to the first air cooler;
the first air cooler is fixed on one side of the first fan and used for cooling air introduced by the first fan to a preset temperature to obtain cold air, and the cold air is conveyed into the cabin;
the second fan is arranged on one side, close to the hub, of the air inlet mechanism and used for blowing air introduced by the air inlet mechanism to a second air cooler;
and the second air cooler is fixed on one side of the second fan and used for cooling the air introduced by the second fan to a preset temperature to obtain cold air, and the cold air is conveyed into the hub.
6. The heat dissipation system for wind turbine according to claim 5, wherein the first detection mechanism is configured to detect a temperature in the nacelle in real time and send the detected temperature to a central control unit, and the central control unit adjusts an operating state of the switching mechanism according to the temperature in the nacelle, specifically:
the central control unit is used for controlling the rotating speed of the first air cooler according to the cabin temperature, and is also used for presetting a cabin temperature matrix T and a first air cooler rotating speed matrix V;
setting T (T1, T2, T3, T4) for the preset cabin temperature matrix T, wherein T1 is the first preset cabin temperature, T2 is the second preset cabin temperature, T3 is the third preset cabin temperature, T4 is the fourth preset cabin temperature, and T1 is more than T2 and more than T3 and more than T4;
setting V (V1, V2, V3, V4) for the preset first air cooler rotation speed matrix V, wherein V1 is a first preset first air cooler rotation speed, V2 is a second preset first air cooler rotation speed, V3 is a third preset first air cooler rotation speed, V4 is a fourth preset first air cooler rotation speed, and V1 is more than V2 and more than V3 and more than V4;
detecting the temperature t in the cabin in real time, and selecting the rotating speed of a first air cooler according to the relation between t and a preset temperature matrix in the cabin:
when T is less than T1, selecting a first preset first air cooler rotating speed V1 as a first air cooler rotating speed;
when T1 is more than or equal to T and less than T2, selecting a second preset first air cooler rotating speed V2 as the first air cooler rotating speed;
when T2 is more than or equal to T and less than T3, selecting a third preset first air cooler rotating speed V3 as the first air cooler rotating speed;
and when the T is more than or equal to T3 and less than T4, selecting a fourth preset rotating speed V4 of the first air cooler as the rotating speed of the first air cooler.
7. The heat dissipation system for wind turbine generator according to claim 6, wherein the second detection mechanism is configured to detect the temperature in the hub in real time and send the detected temperature to a central control unit, and the central control unit adjusts the operating state of the switching mechanism according to the temperature in the hub, specifically:
the central control unit is used for controlling the rotating speed of the second air cooler according to the temperature in the hub, and is also used for presetting a temperature matrix N in the hub and a rotating speed matrix K of the second air cooler;
setting N (N1, N2, N3, N4) for the preset hub internal temperature matrix N, wherein N1 is a first preset hub internal temperature, N2 is a second preset hub internal temperature, N3 is a third preset hub internal temperature, N4 is a fourth preset hub internal temperature, and N1 is more than N2 and more than N3 and more than N4;
setting K (K1, K2, K3, K4) for the preset second air cooler rotation speed matrix K, wherein K1 is a first preset second air cooler rotation speed, K2 is a second preset second air cooler rotation speed, K3 is a third preset second air cooler rotation speed, K4 is a fourth preset second air cooler rotation speed, and K1 is more than K2 and less than K3 and less than K4;
detecting the temperature c in the hub in real time, and selecting the rotating speed of a second air cooler according to the relation between the temperature c and a preset temperature matrix in the hub:
when c is less than N1, selecting a first preset second air cooler rotating speed K1 as a second air cooler rotating speed;
when N1 is more than or equal to c and less than N2, selecting a second preset second air cooler rotating speed K2 as a second air cooler rotating speed;
when N2 is more than or equal to c and less than N3, selecting a third preset second air cooler rotating speed K3 as the second air cooler rotating speed;
and when the c is more than or equal to N3 and less than N4, selecting a fourth preset second air cooler rotating speed K4 as the second air cooler rotating speed.
8. The heat dissipation system for a wind turbine as defined in claim 1, further comprising:
and the temperature detector is arranged on one side of the air guide pipe close to the air inlet and is used for detecting the temperature of the introduced air.
9. The heat dissipation system for a wind turbine as defined in claim 8, further comprising:
the temperature detector detects the temperature of the introduced air as a, and the operation state of the switching mechanism is judged according to the relation between the air temperature a and a preset temperature Q:
when a is less than Q, the switching mechanism is not started for the moment;
and when the a is larger than or equal to Q, the switching mechanism is started to cool the air temperature a, and when the air temperature a is larger than the preset temperature Q, the air temperature a is conveyed into the engine room and the wheel hub.
10. The heat dissipation system for a wind turbine as defined in claim 1, wherein the central control unit further comprises:
and the early warning module is used for sending a signal to stop the wind power generation set when the temperature in the cabin exceeds a preset temperature threshold value in the cabin or the temperature in the hub exceeds a preset temperature threshold value in the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211373865.3A CN115681032B (en) | 2022-11-03 | Heat radiation system for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211373865.3A CN115681032B (en) | 2022-11-03 | Heat radiation system for wind driven generator |
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| Publication Number | Publication Date |
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| CN115681032A true CN115681032A (en) | 2023-02-03 |
| CN115681032B CN115681032B (en) | 2024-07-12 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619707A (en) * | 2012-04-27 | 2012-08-01 | 东方电气集团东方汽轮机有限公司 | Cooling system for offshore wind power generation unit |
| CN106640554A (en) * | 2016-12-12 | 2017-05-10 | 北京金风科创风电设备有限公司 | Heat dissipation system and heat dissipation method for wind generating set and wind generating set |
| CN208073685U (en) * | 2018-04-24 | 2018-11-09 | 北京金风科创风电设备有限公司 | Wind power generating set cooling system and wind power generating set |
| CN110345012A (en) * | 2019-07-05 | 2019-10-18 | 湖南城市学院 | A kind of wind power plant convenient for heat dissipation |
| CN110486238A (en) * | 2019-09-05 | 2019-11-22 | 国电联合动力技术有限公司 | A kind of low wind speed wind power generator group intelligent heat dissipation system and its control method |
| CN110761959A (en) * | 2019-11-18 | 2020-02-07 | 中国华能集团清洁能源技术研究院有限公司 | Fan cabin heat dissipation system and method |
| CN112377377A (en) * | 2020-11-24 | 2021-02-19 | 华润电力投资有限公司北方分公司 | Wind driven generator heat circulating device and wind driven generator |
| CN212672004U (en) * | 2020-07-03 | 2021-03-09 | 鲁能新能源（集团）有限公司新疆分公司 | Engine room heat dissipation mechanism of wind generating set |
| CN213981076U (en) * | 2020-11-09 | 2021-08-17 | 华能通辽风力发电有限公司 | Wind generating set |
| CN114645822A (en) * | 2020-12-21 | 2022-06-21 | 北京金风科创风电设备有限公司 | Wind generating set |
| CN114658616A (en) * | 2020-12-23 | 2022-06-24 | 新疆金风科技股份有限公司 | Wind generating set |
| CN114696537A (en) * | 2020-12-30 | 2022-07-01 | 北京金风科创风电设备有限公司 | Cooling system for wind generating set and wind generating set |
| DE202023104511U1 (en) * | 2022-08-12 | 2023-10-11 | Huaneng Ruicheng Comprehensive Energy Co., Ltd. | A cooling system for wind turbines |
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619707A (en) * | 2012-04-27 | 2012-08-01 | 东方电气集团东方汽轮机有限公司 | Cooling system for offshore wind power generation unit |
| CN106640554A (en) * | 2016-12-12 | 2017-05-10 | 北京金风科创风电设备有限公司 | Heat dissipation system and heat dissipation method for wind generating set and wind generating set |
| CN208073685U (en) * | 2018-04-24 | 2018-11-09 | 北京金风科创风电设备有限公司 | Wind power generating set cooling system and wind power generating set |
| CN110345012A (en) * | 2019-07-05 | 2019-10-18 | 湖南城市学院 | A kind of wind power plant convenient for heat dissipation |
| CN110486238A (en) * | 2019-09-05 | 2019-11-22 | 国电联合动力技术有限公司 | A kind of low wind speed wind power generator group intelligent heat dissipation system and its control method |
| CN110761959A (en) * | 2019-11-18 | 2020-02-07 | 中国华能集团清洁能源技术研究院有限公司 | Fan cabin heat dissipation system and method |
| CN212672004U (en) * | 2020-07-03 | 2021-03-09 | 鲁能新能源（集团）有限公司新疆分公司 | Engine room heat dissipation mechanism of wind generating set |
| CN213981076U (en) * | 2020-11-09 | 2021-08-17 | 华能通辽风力发电有限公司 | Wind generating set |
| CN112377377A (en) * | 2020-11-24 | 2021-02-19 | 华润电力投资有限公司北方分公司 | Wind driven generator heat circulating device and wind driven generator |
| CN114645822A (en) * | 2020-12-21 | 2022-06-21 | 北京金风科创风电设备有限公司 | Wind generating set |
| CN114658616A (en) * | 2020-12-23 | 2022-06-24 | 新疆金风科技股份有限公司 | Wind generating set |
| CN114696537A (en) * | 2020-12-30 | 2022-07-01 | 北京金风科创风电设备有限公司 | Cooling system for wind generating set and wind generating set |
| DE202023104511U1 (en) * | 2022-08-12 | 2023-10-11 | Huaneng Ruicheng Comprehensive Energy Co., Ltd. | A cooling system for wind turbines |
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