A kind of heat reclamation type cooling system of wind power generating setTechnical field
It the utility model is related to field of wind power equipment, and in particular to a kind of heat reclamation type cooling of wind power generating setSystem.
Background technology
Wind power generating set produces substantial amounts of heat during operation, and the performance of electrical equipment is by the shadow of temperatureRing, it is necessary to it could efficiently be worked in suitable scope, ensure sufficiently long service life, therefore, most electrically memberPart can all configure radiating, cooling system.At present, the cooling of wind power generating set refer to Application No. 201120568617.5 orThe utility model patent of person's Application No. 201220633726.5, both are all that the heat in generating set is absorbed by coolantAmount, the heat of absorption scatter and disappear outside generating set again, and this has resulted in the waste of heat energy.Because wind-driven generator is typically builtIn the high altitude localities of inclement condition, temperature often reaches subzero, and icing phenomenon often occurs in the blade of blower fan, increasesAdd the load of blade, influence normally to rotate, therefore, it is necessary to a kind of means that can prevent blade from freezing, prior art are allAntiicing coating is coated in blade surface or sets up electric heater unit, and cost is high, and effect is bad.
Utility model content
The purpose of this utility model is the heat reclamation type cooling system for providing a kind of wind power generating set, will can generate electricityHeat absorption caused by unit, the effect of cooling is played, and heat transmission to blade is nearby discharged, so as to improve around bladeTemperature, prevent blade surface from freezing, ensure the normal operation of blade, make full use of heat energy.
What the purpose of this utility model was realized in：A kind of heat reclamation type cooling system of wind power generating set, includingCooling water tank, cooling tube, cooling pump, radiating tube, generating set, blade and tower, cooling is provided with the cooling water tankLiquid, cooling water tank are connected with drain pipe, and the cooling pump is arranged on drain pipe, and the cooling tube is more and is connected to side by sideBetween radiating tube and drain pipe, every cooling tube bends setting and is fixed on the inwall of generating set；Set in the towerThere is mounting seat, polylith heat sink is provided with the mounting seat, multiple air holes, the heat sink position are provided with the heat sinkIn the back side of blade, the radiating tube is connected with more scattered heat pipes, and every scattered heat pipe extends to top from the bottom of heat sinkTurn back behind portion to the bottom of heat sink, the scattered heat pipe and be connected with a recovery tube again, the recovery tube is connected with cooling water tankIt is logical；Multiple fin are provided with the scattered heat pipe.
Further, the first magnetic valve and second solenoid valve of parallel connection, the scattered heat pipe are provided with the radiating tubeIt is connected with the first magnetic valve, the second solenoid valve is connected with cooling water tank by the second recovery tube, and first magnetic valve leads toCross wire and be connected with the first temperature detect switch (TDS) and power supply, the second solenoid valve is connected with the second temperature detect switch (TDS) and electricity by wireSource.
Further, it is connected between adjacent two scattered heat pipes by the connecting tube of more arcs.
Further, the mounting seat includes cylinder, and one end of the cylinder is connected with tower, and the other end is provided with multipleJack, the bottom of the heat sink are provided with inserted sheet, and the inserted sheet is plugged in jack.
Further, the inwall of the generating set is provided with multigroup locating button, and the cooling tube is consolidated by locating buttonIt is fixed.
Further, the surface of the cooling tube is provided with heat absorbing sheet.
Further, the distance between the heat sink and blade are 10cm to 20cm.
Further, the heat sink is four pieces.
The beneficial effects of the utility model are：Coolant in cooling water tank is introduced into cooling tube, in generating setAir is exchanged heat, and absorbs heat, the temperature rise of itself, radiating tube and each scattered heat pipe is entered back into, in vacuum side of bladeCold air on scattered heat pipe with the external world is radiated, and is raised the air themperature around blade, is avoided blade surface from freezing, and is protectedThe normal operation of blade is demonstrate,proved, the coolant re-enter cooling water tank after radiating is circulated.The system, can not only be to hairGroup of motors is cooled down, and is also prevented blade from freezing using heat caused by generating set, is avoided thermal waste, improves the energyUtilization rate.
Brief description of the drawings
Fig. 1 is overall schematic side view of the present utility model；
Fig. 2 is the annexation figure between scattered heat pipe；
Fig. 3 is the electric operation control circuit figure of the first magnetic valve and second solenoid valve；
Reference：1-cooling water tank；2-cooling tube；3-cooling pump；4-radiating tube；5-generating set；6-leafPiece；7-drain pipe；8-tower；9-mounting seat；10-heat sink；11-fin；12-disperse heat pipe；13-recovery tube；14-connecting tube；15-cylinder；16-locating button；17-heat absorbing sheet；18-the first magnetic valve；19-second solenoid valve；20—Second recovery tube；21-the first temperature detect switch (TDS)；22-power supply；23-the second temperature detect switch (TDS).
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, the heat reclamation type cooling system of a kind of wind power generating set of the present utility model, bagCooling water tank 1, cooling tube 2, cooling pump 3, radiating tube 4, generating set 5, blade 6 and tower 8 are included,
Coolant is provided with the cooling water tank 1, cooling water tank 1 is connected with drain pipe 7, and the cooling pump 3 is arranged atOn drain pipe 7, the cooling tube 2 is more and is connected to side by side between radiating tube 4 and drain pipe 7 that every cooling tube 2 is bentSet and be fixed on the inwall of generating set 5；
Mounting seat 9 is provided with the tower 8, polylith heat sink 10, the heat sink 10 are provided with the mounting seat 9On be provided with multiple air holes, for divulging information, avoid wind from flowing back after being stopped by heat sink 10 and influence the normal rotation of blade 6.InstituteState the back side that heat sink 10 is located at blade 6, the radiating tube 4 is connected with more scattered heat pipes 12, and every scattered heat pipe 12 is from dissipatingThe bottom of hot plate 10 is turned back to the bottom of heat sink 10, the scattered heat pipe 12 and the phase of a recovery tube 13 again after extending to topEven, the recovery tube 13 is connected with cooling water tank 1；Multiple fin 11 are provided with the scattered heat pipe 12.
Cooling water tank 1 uses stainless steel containment housing, and drain pipe 7 and recovery tube 13 can use metal tube, can also useThe flexible pipe of the materials such as rubber.Radiating tube 4, cooling tube 2, scattered heat pipe 12, fin 11 are using the high metal material of thermal conductivity factorMatter, such as copper, to improve the efficiency of heat absorption, radiating, cooling tube 2 and scattered heat pipe 12 serpentine-like can be distributed, to increase heat-transfer surfaceProduct, accelerate heat transfer rate.Generating set 5, blade 6 and tower 8 use prior art.The running of the system is：OpenCoolant in cooling water tank 1 is delivered to cooling tube 2 by dynamic cooling pump 3, cooling pump 3, cooling tube 2 with inside generating set 5Hot-air is exchanged heat, and the heat in generating set 5 is absorbed, and raises the temperature of coolant, coolant is entered by radiating tube 4 againEach scattered heat pipe 12, when the temperature of outside air is relatively low, coolant is exchanged heat with ambient temperature, the temperature drop of itselfIt is low, the temperature rise near blade 6, the attachment of moisture in air is avoided on blade 6 and is frozen.Coolant after cooling is led to againRecovery tube 13 is crossed to enter cooling water tank 1 and circulate.The system, generating set 5 can not only be cooled down, also utilize generatorHeat caused by group 5 prevents blade 6 from freezing, and avoids thermal waste, improves energy utilization rate.
When ambient temperature is higher, does not possess the condition of icing, coolant needs not move through scattered heat pipe 12, shortens coolingThe flow path of liquid, the energy consumption of cooling pump 3 is advantageously reduced, specifically embodiment is, parallel connection is provided with the radiating tube 4The first magnetic valve 18 and second solenoid valve 19, the scattered heat pipe 12 be connected with the first magnetic valve 18, the second solenoid valve19 are connected with cooling water tank 1 by the second recovery tube 20, and first magnetic valve 18 is connected with the first temperature detect switch (TDS) by wire21 and power supply 22, the second solenoid valve 19 second temperature detect switch (TDS) 23 and power supply 22 are connected with by wire.First temperature control is openedThe closed temperature of the temperature detect switch (TDS) 23 of pass 21 and second is configured, when the temperature in the external world is less than or equal to 0 degree Celsius, the first temperatureThe closure of control switch 21, the first magnetic valve 18, which is powered, to be opened, and the second temperature detect switch (TDS) 23 disconnects, and the power-off of second solenoid valve 19 is closed,Coolant in radiating tube 4 enters scattered heat pipe 12, and the air around blade 6 is heated；When the temperature in the external world is taken the photograph more than 0When family name spends, the first temperature detect switch (TDS) 21 is disconnected, and the power-off of the first magnetic valve 18 is closed, and the second temperature detect switch (TDS) 23 turns on, the second electromagnetismValve 19, which is powered, to be opened, and the coolant in radiating tube 4 is directly back to cooling water tank 1 by the second recovery tube 20.
In order to improve radiating effect, it is connected between adjacent two scattered heat pipes 12 by the connecting tube 14 of more arcs,Scattered heat pipe 12 and connecting tube 14 enclose webbed radiator structure, and area of dissipation is big, and it is uniform to radiate.
Further, dismounting heat sink 10, the mounting seat 9 include cylinder 15, one end of the cylinder 15 for convenienceIt is connected with tower 8, the other end is provided with multiple jacks, and the bottom of the heat sink 10 is provided with inserted sheet, and the inserted sheet is plugged inJack.
The inwall of the generating set 5 is provided with multigroup locating button 16, and the cooling tube 2 is fixed by locating button 16.
The surface of the cooling tube 2 is provided with heat absorbing sheet 17, improves cooling effectiveness.
Preferably, the distance between the heat sink 10 and blade 6 are 10cm to 20cm.The heat sink 10 is four pieces.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for thisFor the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility modelWithin, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.