CN203251188U - Wind power generator set water cooling system - Google Patents
Wind power generator set water cooling system Download PDFInfo
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- CN203251188U CN203251188U CN 201320219379 CN201320219379U CN203251188U CN 203251188 U CN203251188 U CN 203251188U CN 201320219379 CN201320219379 CN 201320219379 CN 201320219379 U CN201320219379 U CN 201320219379U CN 203251188 U CN203251188 U CN 203251188U
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Abstract
The utility model relates to a wind power generator set water cooling system which comprises a water pump. An outlet end of the water pump is connected with a water inlet of a component to be cooled. The system also comprises a heat radiator. An inlet end of the water pump is provided with a temperature control valve used for guiding cooling medium which flows out of the water outlet of the component to be cooled to flow to the heat radiator or directly guiding the cooling medium to the water pump. The heat radiator comprises a blower used for forced cooling and a wind channel used for natural heat radiation when the working of the blower is stopped. The outlet end of the water pump is provided with a temperature sensor used for collecting an outlet end temperature signal of the water pump. The system also comprises a controller used for controlling the heat radiator blower to work when the temperature is higher than a set value and controlling the heat radiator blower to stop when the temperature is lower than the set value according to a temperature signal outputted by the temperature sensor. An input end of the controller is connected with an output end of the temperature sensor. According to the system, the controller controls the action of the heat radiator blower according to the temperature signal of the temperature sensor, the blower stops when the forced cooling is not needed, and the energy consumption is effectively saved.
Description
Technical field
The utility model relates to a kind of water-cooling system, relates in particular to a kind of wind turbine generator water-cooling system.
Background technology
Along with wind-driven generator single-stage power constantly increases, the cooling heat dissipation of generator, gear box and these main heat generating components of frequency converter becomes one of key point whether wind-driven generator develop in the wind-driven generator.The generating set cooling system is exactly that the heat that generating set produces in time is discharged in the external environment, makes it reach a kind of relative heat balance by heat exchange in the fan operation process.The air-air type of cooling that the tradition cooling system adopts, its size is large, Unit Scheme arranges that difficulty is large and cost of manufacture is high, thereby has limited the application of large-scale wind electricity unit; Water-cooling system mainly adopts clean pure water and cooling fluid as coolant, it can be designed to the integrated pumping plant of compact dimensions, adopts temperature-sensing valve to provide the circulating cooling medium of certain pressure to heat abstractor, thereby takes away the heat of heat generating components.
Existing water cooling system such as Granted publication number are the disclosed cooling system structure of Chinese patent " cooling system of wind power generator frequency transformator " of CN 201063525Y, this cooling system comprises water pump, the port of export of water pump is connected with the water inlet of frequency converter to be cooled, also be provided with the radiator that cools for the water that the delivery port from frequency converter is flowed out, the entrance point of water pump is provided with for the cooling fluid pilot flow that will flow out from the delivery port of power generator set component to be cooled to radiator or directly flow to the temperature-sensing valve of water pump, the port of export place of water pump also is connected with expansion drum, safety valve, pressure switch, Pressure gauge and moisturizing ball valve etc., be provided with fan on the radiator, adopt fan that cooling fluid is carried out the forced convertion heat radiation.In this water-cooling system, fan is always in running order, thereby so that energy consumption is larger, is unfavorable for the saving of the energy.
The utility model content
The purpose of this utility model is to propose the little wind turbine generator water-cooling system of a kind of energy consumption.
For addressing the above problem, the technical solution adopted in the utility model is:
A kind of wind turbine generator water-cooling system, comprise water pump, the port of export of water pump is connected with the water inlet of power generator set component to be cooled, also comprise for the radiator that coolant is cooled, the entrance point of described water pump be provided with for the coolant pilot flow that will flow out from the delivery port of power generator set component to be cooled to radiator or directly pilot flow to the temperature-sensing valve of water pump, described radiator comprises for the blower fan of forced heat radiation and is used for the air channel of natural heat dissipation when blower fan quits work, the port of export of described water pump is provided with the temperature sensor for the port of export temperature signal that gathers water pump, comprise that also the input of described controller is connected with the output of temperature sensor for controlling radiator fan work or control the out-of-work controller of radiator when temperature is higher than set point when temperature is lower than set point according to the temperature signal of temperature sensor output.
Described temperature-sensing valve is that mechanical type is from force regulating valve, described temperature-sensing valve comprises two water inlet valve ports and a water outlet valve port, described water inlet valve port comprises the hot water valve port that is connected with the delivery port of power generator set component to be cooled and the cold water valve port that is connected being connected with the water outlet valve port of radiator, the water outlet valve port of described temperature-sensing valve is connected with the entrance point of water pump, described temperature-sensing valve can according to the water temperature adjusting water outlet valve port of its valve port of intaking respectively with the aperture of the conducting orifice of hot water valve port, cold water valve port.
Described temperature sensor is thermal resistance.
Described water pump is the vertical circulation water pump.
A kind of wind turbine generator water-cooling system that the utility model proposes, coolant in the water pump in this system enters from pump outlet and carries out heat exchange the power generator set component to be cooled these parts are cooled, coolant after the heat exchange flows out from the delivery port of these parts, when if the temperature of coolant is higher than set point, temperature-sensing valve cools off the coolant pilot flow by natural wind to radiator and in the air channel of radiator to coolant, cooled coolant enters in the water pump by temperature-sensing valve; If through with parts heat exchange to be cooled after the temperature of coolant when being lower than set point, temperature-sensing valve directly with its direct pilot flow to water pump; The temperature sensor that pump outlet arranges gathers the temperature signal of pump outlet cooling fluid, and this temperature signal is transferred to controller, controller is processed signal, when temperature value is higher than set point, the controller opens radiator fan, radiator fan is strengthened cooling to the coolant in the radiator, and cooled coolant is entered in the water pump by temperature-sensing valve; When temperature value dropped to set point, controller cut out radiator fan, only needed this moment by natural wind coolant to be cooled off.The utility model adopts temperature sensor collecting temperature signal and by the opening and closing of controller control radiator fan, thus when not needing to strengthen cooling only by natural air cooled and need not make the motor continuous firing, save energy consumption.
Further, adopt mechanical type from force regulating valve, can according to water temperature control the water outlet valve port respectively with the aperture of the conducting orifice of cold water valve port, hot water valve port, temperature control is reliable.
Description of drawings
Fig. 1 is the use state diagram of the embodiment of a kind of wind turbine generator water-cooling system of the present utility model;
Fig. 2 is the systematic schematic diagram of Fig. 1;
Fig. 3 is the structural representation of water-cooling system among Fig. 1;
Fig. 4 is the structural representation of water pump pack module among Fig. 1;
Fig. 5 is the front view of radiator among Fig. 1;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the vertical view of Fig. 5.
Embodiment
The embodiment of a kind of wind turbine generator water-cooling system of the present utility model: such as Fig. 1～shown in Figure 7, this water-cooling system is mainly used in the cooling to generator, other needs the cooling of cooling-part also to can be used for frequency converter etc., the water-cooling system of present embodiment comprises water pump pack module 100 and the radiator 2 that is connected by tube connector with the water pump pack module, the structure of radiator such as Fig. 5～shown in Figure 7, radiator comprises for the blower fan of forced heat radiation with for the air channel that is used for natural heat dissipation when blower fan quits work, the structural representation of water pump pack module 100 as shown in Figure 4, the water pump pack module comprises water pump 4, water pump 4 is the vertical circulation water pump, the entrance point of water pump 4 is connected with inlet valve piece 12, offer the first import 121 that is connected for the generator delivery port 101 of generator to be cooled on the inlet valve piece, the first outlet 122 that is used for being connected with the water inlet of radiator 21 of radiator 2, the second outlet 124 that is used for the second import 123 that is connected with the radiator outlet 22 of radiator and is used for being connected with the unit fixed on water pump suction end, be provided with temperature-sensing valve 3 in the inlet valve piece 12, temperature-sensing valve is that mechanical type is from force regulating valve, temperature-sensing valve has two water inlet valve ports and a water outlet valve port, the water outlet valve port is connected with the entrance point of water pump 4, the water inlet valve port of temperature-sensing valve comprises the hot water valve port that is connected with the generator delivery port 101 of generator 1 to be cooled and the cold water valve port that is connected with the radiator outlet 22 of radiator 2, also be connected with the auxiliary valve piece on the water pump 4, the auxiliary valve piece comprises expansion drum 6, moisturizing ball valve 7, safety valve 8, pressure switch 9, Pressure gauge 10 and vent valve 11; Be provided with the thermal resistance 5 for the temperature signal of the cooling fluid that gathers pump outlet on the port of export 13 of water pump 4, also comprise is connected with the output of temperature sensor, be used for when temperature is higher than set point, controlling the blower fan work of radiator or when temperature is lower than set point, controlling the out-of-work controller (not shown) of blower fan of radiator according to the temperature signal of temperature sensor output.
During use, the port of export 13 of the generator water inlet 102 of generator to be cooled and water pump 4 is connected by tube connector, the generator delivery port 101 of generator to be cooled is connected with the first import 121 on the inlet valve piece 12, the first outlet 122 of water inlet of radiator 21 and inlet valve piece 12 is connected, and radiator outlet 22 is connected with the second import 123 on the inlet valve piece.During work, cooling fluid in the water pump 4 enters from the generator water inlet 102 of generator 1 to be cooled carries out heat exchange with generator to be cooled the generator to be cooled it is cooled off, cooling fluid after the heat exchange flows out from the generator delivery port 101 of generator to be cooled, enter the inlet valve piece 12 from the first import 121 that is attached thereto, when the temperature of cooling fluid is lower than set point, the hot water valve port of temperature-sensing valve 3 and the conducting of water outlet valve port, cooling fluid directly enters in the water pump 4 and circulates; When the temperature of cooling fluid is higher than set point, the spool action of temperature-sensing valve 3 also makes cold water valve port and the conducting of water outlet valve port gradually, at this moment, part cooling fluid directly flows to water pump 4 by the conducting orifice of hot water valve port and water outlet valve port, another part cooling fluid then flows to radiator 2 from the first outlet 122 of inlet valve piece, gradually rising along with temperature, the aperture of the conducting orifice of cold water valve port and water outlet valve port increases gradually, the aperture of the conducting orifice of hot water valve port and water outlet valve port reduces gradually until Close All, then cooling fluid will all flow in the radiator this moment, cooling fluid enters inlet valve piece 12 by the second import after the cooling of process Self-air-heating in radiator, and finally flow to water pump 4, cooling fluid is after the port of export 13 of water pump 4 flows out, the thermal resistance 5 of its port of export setting gathers the temperature signal of cooling fluid herein, and temperature signal passed to the controller that output with it connects, controller is processed this temperature signal, when temperature was higher than set point, the fanman of controller control radiator did cooling fluid is strengthened cooling; When temperature reduced and is lower than set point, the blower fan of controller control radiator 2 quit work, and adopts the thermal resistance collection temperature signal, and controller is controlled the blower fan work of radiator according to temperature signal or quit work, and can reach the effect of energy efficient.Be filled with in advance nitrogen in the outer expansion drum 6 that connects of water pump, the effect of this expansion drum is equivalent to diaphragm accumulator, by expansion drum hydraulic rotation is changed into elastic potential energy during normal operation and store and keep the stable of exit of pump pressure, when the water cooling system moment large flow of needs or exit of pump appearance fluctuation, expansion drum can discharge stored energy and guarantee Systems balanth; When coolant pressure surpasses set point, safety valve 8 actions that water pump is outer, thus guarantee the stable of system pressure; When having gas in the system, but vent valve 11 automatic-discharging gases; When system pressure was lower than 1bar, pressure switch 9 was sent the low pressure alarming signal; Pressure gauge 10 outside the water pump is convenient to observation for detection of the force value of pump outlet; It was normally off when the outer water filling ball valve that connects of water pump worked in system, and when system need to add inject cooling liquid, the moisturizing ball valve 7 that water pump is outer was opened, and is connected on the outside power-equipment and adds cooling fluid in system.Adopt cooling fluid as coolant in the present embodiment, also can adopt cooling water as coolant.
In the present embodiment, adopt thermal resistance as the temperature sensor of the temperature signal that gathers pump outlet, the temperature signal that collects is passed to controller, controller also can adopt other temperature sensors commonly used such as thermocouple according to the temperature signal control radiator fan action that receives in other embodiment of the present utility model.
The water pump that present embodiment adopts is the vertical circulation water pump, also can adopt other circulating water pumps commonly used such as horizontal circulating water pump in other embodiment of the present utility model.
The temperature-sensing valve that present embodiment adopts is to have the mechanical type of two water inlet valve ports and a water outlet valve port from force regulating valve, in other embodiment of the present utility model, also can adopt two adjuster valves, the water inlet valve port of two adjuster valves all is connected with the generator delivery port of generator to be cooled, the water outlet valve port of one of them adjuster valve is connected with the water inlet of radiator of radiator, and the water outlet valve port of another adjuster valve directly is connected with the entrance point of water pump.
Claims (4)
1. wind turbine generator water-cooling system, comprise water pump, the port of export of water pump is connected with the water inlet of power generator set component to be cooled, also comprise for the radiator that coolant is cooled, the entrance point of described water pump be provided with for the coolant pilot flow that will flow out from the delivery port of power generator set component to be cooled to radiator or directly pilot flow to the temperature-sensing valve of water pump, it is characterized in that: described radiator comprises for the blower fan of forced heat radiation and is used for the air channel of natural heat dissipation when blower fan quits work, the port of export of described water pump is provided with the temperature sensor for the port of export temperature signal that gathers water pump, comprise that also the input of described controller is connected with the output of temperature sensor for controlling radiator fan work or control the out-of-work controller of radiator when temperature is higher than set point when temperature is lower than set point according to the temperature signal of temperature sensor output.
2. wind turbine generator water-cooling system according to claim 1, it is characterized in that: described temperature-sensing valve is that mechanical type is from force regulating valve, described temperature-sensing valve comprises two water inlet valve ports and a water outlet valve port, described water inlet valve port comprises the hot water valve port that is connected with the delivery port of power generator set component to be cooled and the cold water valve port that is connected being connected with the water outlet valve port of radiator, the water outlet valve port of described temperature-sensing valve is connected with the entrance point of water pump, described temperature-sensing valve can according to the water temperature adjusting water outlet valve port of its valve port of intaking respectively with the aperture of the conducting orifice of hot water valve port, cold water valve port.
3. wind turbine generator water-cooling system according to claim 1 and 2, it is characterized in that: described temperature sensor is thermal resistance.
4. wind turbine generator water-cooling system according to claim 3, it is characterized in that: described water pump is the vertical circulation water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219379 CN203251188U (en) | 2013-04-26 | 2013-04-26 | Wind power generator set water cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320219379 CN203251188U (en) | 2013-04-26 | 2013-04-26 | Wind power generator set water cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203251188U true CN203251188U (en) | 2013-10-23 |
Family
ID=49377604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320219379 Expired - Lifetime CN203251188U (en) | 2013-04-26 | 2013-04-26 | Wind power generator set water cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203251188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014882A (en) * | 2016-06-03 | 2016-10-12 | 国电联合动力技术有限公司 | Cooling method and cooling system for wind turbine generators |
-
2013
- 2013-04-26 CN CN 201320219379 patent/CN203251188U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014882A (en) * | 2016-06-03 | 2016-10-12 | 国电联合动力技术有限公司 | Cooling method and cooling system for wind turbine generators |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |