CN201742287U - Water cooling system for frequency converter of wind driven generator - Google Patents
Water cooling system for frequency converter of wind driven generator Download PDFInfo
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- CN201742287U CN201742287U CN2010202532645U CN201020253264U CN201742287U CN 201742287 U CN201742287 U CN 201742287U CN 2010202532645 U CN2010202532645 U CN 2010202532645U CN 201020253264 U CN201020253264 U CN 201020253264U CN 201742287 U CN201742287 U CN 201742287U
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Abstract
The utility model provides a water cooling system for a frequency converter of a wind driven generator, which is characterized by comprising a water pump, an expansion tank, an inlet valve block, an expansion tank valve block and an outlet valve block, wherein the expansion tank and the inlet valve block are respectively connected with the water pump by water pipes; the expansion tank valve block is connected with the expansion tank; the outlet valve block is connected with the expansion tank valve block by a hosepipe; the inlet valve block is provided with a heater, a temperature control valve and a first temperature sensor; the outlet valve block is provided with a second temperature sensor; and the expansion tank valve block is provided with a first exhaust valve, a pressure gauge, a pressure switch, a safety valve and a water injection ball valve. All components of the utility model are respectively integrated on the inlet valve block, the outlet valve block and the expansion tank valve block, so that the utility model has the advantages of compact and simple integrated structure, wide application range, stable and reliable performance and simple and convenient installation, use and maintenance.
Description
Technical field
The utility model relates to a kind of cooling system that belongs to wind power generation field, is specifically related to a kind of wind power generator frequency transformator water-cooling system.
Background technology
At present, because the in short supply and government of resource encourages and support the policy of regenerative resource, the wind power generation industry development impetus is powerful, is limited to technical deficiency, in the running of wind turbine generator, can break down unavoidably.
As shown in Figure 1, the cooling system that Chinese patent CN201063525Y disclosed a kind of wind power generator frequency transformator on 21st in 05 month in 2008, comprise the frequency converter 11 that connects by flexible pipe successively, cooler 15, the cooling major loop that temperature-sensing valve 121 and coolant circulation pump 14 form, also comprise the bypass that first temperature element 123 that is connected between above-mentioned frequency converter 11 and the above-mentioned temperature-sensing valve 121 and heater 122 constitute, also comprise respectively with above-mentioned frequency converter 11 and above-mentioned coolant circulation pump 14 between the Pressure gauge 131 that links to each other of flexible pipe, pressure sensor 132, safety valve 133, moisturizing interface 134, header tank 135, the expansion tank 16 and second temperature element 136, wherein, above-mentioned Pressure gauge 131, pressure sensor 132, safety valve 133, moisturizing interface 134, the header tank 135 and second temperature element 136 are integrated in the auxiliary valve piece 13, above-mentioned first temperature element 123, heater 122 and temperature-sensing valve 121 are integrated in the main control valve piece 12, with flexible pipe with above-mentioned frequency converter 11, main control valve piece 12, coolant circulation pump 14 and auxiliary valve piece 13 connect and compose bypass successively, and above-mentioned cooler 15 is connected between above-mentioned frequency converter 11 and the above-mentioned temperature-sensing valve 121 and forms major loop.
The shortcoming of said system is that its structure is compact inadequately, installs, uses, safeguards inconvenience, no filter and automatic exhaust steam valve in the system.Need water filling in system before system's operation, no automatic exhaust steam valve may cause water filling incomplete, so that damages the pump housing; When liquid medium is sneaked into impurity in the system, will damage the sealing of pump, cause system to reveal.
The utility model content
The utility model provides a kind of wind power generator frequency transformator water-cooling system, and is easy and simple to handle, uses and stablizes, reliable operation.
For achieving the above object, the utility model provides a kind of wind power generator frequency transformator water-cooling system, it is characterized in that, this system comprises water pump, expansion drum and the inlet valve piece that is connected with this water pump by water pipe respectively, with this tank connected expansion pot valve piece that expands, and the outlet valve block that is connected by flexible pipe with this expansion pot valve piece;
Above-mentioned inlet valve piece is provided with heater, temperature-sensing valve and first temperature sensor;
Above-mentioned outlet valve block is provided with second temperature sensor;
Above-mentioned expansion pot valve piece is provided with first vent valve, Pressure gauge, pressure switch, safety valve and water filling ball valve.
Native system also includes the air-cooled radiator that is connected with the inlet valve piece by flexible pipe; This air-cooled radiator is provided with second vent valve.
After cooling fluid feeds native system, make it have constant compression force and flow velocity by water pump, by the second temperature sensor detected temperatures, when temperature too high, then its input air-cooled radiator is lowered the temperature and feed water pump again by temperature-sensing valve, when temperature suits then not handle directly to flow back to water pump, when temperature low excessively, then cooling fluid is heated and import water pump again by heater, the cooling fluid that water pump is crossed system handles nearly is delivered to the external device (ED) that the water-cooled processing need be carried out in the outside again, the cooling fluid of external device (ED) being carried out water-cooled flows back to native system again, carries out circular treatment.Hydraulic pressure is stable in the expansion drum assurance native system, each parts of protection system.
Cooling fluid feeds expansion pot valve piece by water pipe; be communicated with expansion drum by expansion pot valve piece; expansion drum absorbs that part of volume that cooling fluid increases because of variations in temperature; Pressure gauge is in order to the pressure of cooling fluid in the detection system; pressure switch is regulated hydraulic pressure; first vent valve is discharged the Buchholz protection water pump in the expansion drum, and the control of water filling ball valve flows into the amount of the cooling fluid in the expansion drum.Cooling fluid flows into outlet valve block; by being passed to temperature-sensing valve after second temperature sensor detection coolant temperature; work as COOLANT TEMPERATURE; temperature-sensing valve automaticallyes switch; make cooling fluid flow through air-cooled radiator and carry out the heat exchange cooling; flow back to water pump at last, second vent valve guarantees that the internal system water filling is complete, each parts in the protection system.When temperature is suitable, temperature-sensing valve automaticallyes switch, and makes cooling fluid directly flow back to water pump without the air-cooled radiator heat exchange.When temperature was too low, heater starting heated cooling fluid.Cooling fluid through system handles is delivered to outlet valve block.Flow back to outside wind power generator frequency transformator by outlet valve block and lower the temperature, flow back to native system after the heat exchange again, continue circular treatment.
The utility model wind power generator frequency transformator water-cooling system is compared with existing cooling system, its advantage is, the utility model is provided with the inlet valve piece, the heater of native system, temperature-sensing valve, radiator and first temperature sensor are integrated on the inlet valve piece, system is provided with outlet valve block, second temperature sensor and water filling ball valve in the system are integrated on the outlet valve block, system is provided with expansion pot valve piece, and vent valve, Pressure gauge, pressure switch, safety valve and test splice all are integrated on this expansion pot valve piece.Make total compact simple, wide accommodation, stable and reliable for performance, mounting, commissioning and maintenance is simple and convenient.
Description of drawings
Fig. 1 is the illustrative view of functional configuration of prior art cooling systems;
Fig. 2 is the knot diagrammatic sketch of the utility model wind power generator frequency transformator water-cooling system;
Fig. 3 is the structure chart of the utility model wind power generator frequency transformator water-cooling system;
Fig. 4 is the structure chart of the utility model wind power generator frequency transformator water-cooling system;
Fig. 5 is the structure chart of the utility model wind power generator frequency transformator water-cooling system;
Fig. 6 is the illustrative view of functional configuration of the utility model wind power generator frequency transformator water-cooling system.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described.
As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the utility model wind power generator frequency transformator water-cooling system, it comprises water pump 21, expansion drum 28 and the inlet valve piece 31 that is connected with water pump 21 by water pipe respectively, the expansion pot valve piece 33 that is connected with expansion drum 28, and with expansion pot valve piece 33 by the outlet valve block 32 that flexible pipe is connected, be provided with freezing liquid in the native system.
Expansion pot valve piece 33 is arranged on the top of expansion drum 28, is fixed with first vent valve 231 and Pressure gauge 24 by screw thread side by side on the end face of this expansion pot valve piece 33, and the bottom surface of expansion pot valve piece 33 is connected with expansion drum 28.Be fixed with pressure switch 25, water filling ball valve 27 and safety valve 26 by screw thread respectively on a pair of relative side on the expansion pot valve piece 33.The another side of expansion pot valve piece 33 is provided with delivery port, and this delivery port is connected by the side of flexible pipe with outlet valve block 32.
As shown in Figure 6, native system also comprises air-cooled radiator 211, and air-cooled radiator 211 connects outlet valve block 32 and inlet valve piece 31 respectively by flexible pipe.This air-cooled radiator 211 is provided with second vent valve 232.211 pairs of air-cooled radiators enter the cooling fluid of this water-cooling system and carry out heat exchange by air blast cooling and air, and will flow back to water pump 21 by inlet valve piece 31 through the cooling fluid of air-cooled radiator 211 coolings.
Below in conjunction with shown in Figure 6, specify the operation workflow of native system:
Cooling fluid is carried out heat exchange through in the wind power generator frequency transformator with frequency converter, and frequency converter is lowered the temperature the back by flexible pipe feeding inlet valve piece 31, by first temperature sensor 213 it is carried out temperature detection simultaneously.Cooling fluid feeds water pump 21 via inlet valve piece 31; running by water pump 21; keep cooling fluid constant compression force and flow velocity in system; cooling fluid feeds expansion pot valve piece 33 by water pipe; be communicated with expansion drum 28 by expansion pot valve piece 33; expansion drum 28 absorbs that part of volume that cooling fluid increases because of variations in temperature; Pressure gauge 24 on the expansion pot valve piece 33 is in order to the pressure of cooling fluid in the detection system; pressure switch 25 is regulated hydraulic pressure; the Buchholz protection water pump 21 that first vent valve 231 is discharged in the expansion drum 28,27 controls of water filling ball valve flow into the amount of the cooling fluid in the expansion drum 28.Cooling fluid flows into outlet valve block 32 by expansion pot valve piece 33 again; by being passed to temperature-sensing valve 210 after second temperature sensor, the 22 detection coolant temperatures; when coolant temperature is higher than 25 ℃; temperature-sensing valve 210 automaticallyes switch; make cooling fluid flow through air-cooled radiator 211 and carry out the heat exchange cooling; flow back to water pump 21, the second vent valves 232 at last and guarantee that the internal system water filling is complete, each parts in the protection system.When temperature during less than 25 ℃, temperature-sensing valve 210 automaticallyes switch, and makes cooling fluid directly flow back to water pump 21 without air-cooled radiator 211 heat exchange.When temperature was too low, heater 212 started cooling fluid is heated.By water pump 21, be delivered to outlet valve block 32 through the cooling fluid of system handles.Flow back to outside wind power generator frequency transformator by outlet valve block 32, frequency converter is lowered the temperature, flow back to native system after the heat exchange again, continue circular treatment.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (2)
1. wind power generator frequency transformator water-cooling system, it is characterized in that, this system comprises water pump (21), expansion drum (28) and the inlet valve piece (31) that is connected with described water pump (21) by water pipe respectively, the expansion pot valve piece (33) that is connected with described expansion drum (28), and the outlet valve block (32) that is connected by flexible pipe with described expansion pot valve piece (33);
Described inlet valve piece (31) is provided with heater (212), temperature-sensing valve (210) and first temperature sensor (213);
Described outlet valve block (32) is provided with second temperature sensor (22);
Described expansion pot valve piece (33) is provided with first vent valve (231), Pressure gauge (24), pressure switch (25), safety valve (26) and water filling ball valve (27).
2. wind power generator frequency transformator water-cooling system according to claim 1 is characterized in that native system also includes the air-cooled radiator (211) that is connected with described inlet valve piece (31) by flexible pipe; Described air-cooled radiator (211) is provided with second vent valve (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202532645U CN201742287U (en) | 2010-07-08 | 2010-07-08 | Water cooling system for frequency converter of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202532645U CN201742287U (en) | 2010-07-08 | 2010-07-08 | Water cooling system for frequency converter of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201742287U true CN201742287U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202532645U Expired - Lifetime CN201742287U (en) | 2010-07-08 | 2010-07-08 | Water cooling system for frequency converter of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201742287U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168284A (en) * | 2016-07-26 | 2016-11-30 | 大连华锐重工集团股份有限公司 | Wind power gear box lubrication oil secondary cooling system |
| CN106406340A (en) * | 2016-08-29 | 2017-02-15 | 广西师范大学 | Quad-rotor unmanned aerial vehicle and control method thereof |
| CN111071705A (en) * | 2019-11-28 | 2020-04-28 | 安徽中车瑞达电气有限公司 | Intelligent permanent magnet synchronous motor direct drive system |
| WO2020244196A1 (en) * | 2019-06-03 | 2020-12-10 | 广州高澜节能技术股份有限公司 | Integrated valve block cooling pump set |
| WO2021114378A1 (en) * | 2019-12-10 | 2021-06-17 | 广州高澜节能技术股份有限公司 | Liquid-cooled pump station applicable in offshore wind power |
-
2010
- 2010-07-08 CN CN2010202532645U patent/CN201742287U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168284A (en) * | 2016-07-26 | 2016-11-30 | 大连华锐重工集团股份有限公司 | Wind power gear box lubrication oil secondary cooling system |
| CN106406340A (en) * | 2016-08-29 | 2017-02-15 | 广西师范大学 | Quad-rotor unmanned aerial vehicle and control method thereof |
| WO2020244196A1 (en) * | 2019-06-03 | 2020-12-10 | 广州高澜节能技术股份有限公司 | Integrated valve block cooling pump set |
| CN111071705A (en) * | 2019-11-28 | 2020-04-28 | 安徽中车瑞达电气有限公司 | Intelligent permanent magnet synchronous motor direct drive system |
| WO2021114378A1 (en) * | 2019-12-10 | 2021-06-17 | 广州高澜节能技术股份有限公司 | Liquid-cooled pump station applicable in offshore wind power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MINTAI HYDRAULICS SHANGHAI CO., LTD. Free format text: FORMER NAME: SHANGHAI MINTAI HYDRAULIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201200, No. 699, Sichuan Road, Chuansha Industrial Park, Shanghai, Pudong New Area Patentee after: Mintai Hydraulics Shanghai Co., Ltd. Address before: 201200, No. 699, Sichuan Road, Chuansha Industrial Park, Shanghai, Pudong New Area Patentee before: Shanghai Mintai Hydraulic Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GODRUN WIND ENERGY EQUIPMENT CO., LTD. Assignor: Mintai Hydraulics Shanghai Co., Ltd. Contract record no.: 2014310000122 Denomination of utility model: Water cooling system for frequency converter of wind driven generator Granted publication date: 20110209 License type: Common License Record date: 20140703 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |
|
| CX01 | Expiry of patent term |