CN218479927U - Circulating liquid cooling system for hydraulic station of wind turbine generator and liquid cooling pump thereof - Google Patents
Circulating liquid cooling system for hydraulic station of wind turbine generator and liquid cooling pump thereof Download PDFInfo
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- CN218479927U CN218479927U CN202220819558.2U CN202220819558U CN218479927U CN 218479927 U CN218479927 U CN 218479927U CN 202220819558 U CN202220819558 U CN 202220819558U CN 218479927 U CN218479927 U CN 218479927U
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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 utility model relates to a wind turbine generator system hydraulic pressure station is with circulation liquid cooling system and liquid cooling pump thereof. Comprises a liquid-cooled pump, a circulating pipeline and a radiator. The liquid cooling pump comprises a pump body, a motor and an exhaust valve, wherein the pump body comprises a water inlet and a water outlet; the motor is connected with the pump body to drive the impeller in the pump body to rotate; the exhaust valve is arranged on the pump body and is communicated with a water path in the pump body; the water inlet valve block is arranged on the water inlet, a water inlet cavity is formed in the water inlet valve block, and the circulating pipeline is communicated with the water inlet cavity; the water outlet valve block is arranged on the water outlet, a water outlet cavity is arranged in the water outlet valve block, and the circulating pipeline is communicated with the water outlet cavity; the top of the water outlet cavity is of a conical structure with a small upper part and a large lower part, the uppermost end of the conical structure is communicated with a backflow exhaust pipe, and the other end of the backflow exhaust pipe is communicated with the water inlet cavity; the characteristic that the water pressure of the water outlet of the pump body is greater than the water pressure of the water inlet is utilized, the air accumulated at the top of the water outlet cavity is guided into the water inlet cavity through the backflow exhaust pipe, and therefore the probability that the air is discharged from the exhaust valve is improved.
Description
Technical Field
The utility model relates to a wind turbine generator system hydraulic pressure station is with circulation liquid cooling system and liquid cooling pump thereof.
Background
The hydraulic station of the high-power wind turbine generator is generally designed into three systems, namely a hydraulic system, a lubricating system and a circulating liquid cooling system. The circulating liquid cooling system is a closed system which is connected end to end and circularly flows, a power source of the closed system is a liquid cooling pump, used cooling liquid is generally pure water, when the cooling liquid is filled into a pipeline of the circulating liquid cooling system, a small amount of air is inevitably mixed, the air in the pipeline can cause that the pipeline can not be continuously filled with the cooling liquid, the air gradually accumulates in the circulating process and then influences the heat exchange efficiency of the system, and a cooled friction pair can not be effectively cooled.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a circulating liquid cooling system for a hydraulic station of a wind turbine generator system, which is used for solving the technical problems of slow air discharge, low efficiency and influence on the heat exchange efficiency of the system in the existing circulating liquid cooling system; an object of the utility model is also to provide a liquid cooling pump that above-mentioned wind turbine generator system hydraulic pressure station used circulating liquid cooling system.
The utility model discloses a wind turbine generator system hydraulic pressure station is with circulating liquid cooling system's technical scheme as follows: wind turbine generator system hydraulic pressure station includes with circulation liquid cooling system:
a circulation line;
the radiator is arranged on the circulating pipeline;
the liquid cooling pump comprises a pump body, a motor and an exhaust valve, wherein the pump body comprises a water inlet and a water outlet; the motor is connected with the pump body to drive the impeller in the pump body to rotate; the exhaust valve is arranged on the pump body and is communicated with a water path in the pump body;
the water inlet valve block is arranged on the water inlet, a water inlet cavity is formed in the water inlet valve block, and the circulating pipeline is communicated with the water inlet cavity;
the water outlet valve block is arranged on the water outlet, a water outlet cavity is arranged in the water outlet valve block, and the circulating pipeline is communicated with the water outlet cavity; the top of the water outlet cavity is of a conical structure with a small upper part and a large lower part, the uppermost end of the conical structure is communicated with a backflow exhaust pipe, and the other end of the backflow exhaust pipe is communicated with the water inlet cavity;
the characteristic that the water pressure of the water outlet of the pump body is larger than the water pressure of the water inlet is utilized, the air accumulated at the top of the water outlet cavity is led into the water inlet cavity through the backflow exhaust pipe, and therefore the probability that the air is discharged from the exhaust valve is improved.
Further, the water inlet valve block and/or the water outlet valve block are connected with the pump body through a flange.
Further, the exhaust valve is arranged at the upper part of the pump body.
Furthermore, an expansion tank is arranged on the circulating pipeline.
Furthermore, a water collecting bottle is arranged on the circulating pipeline.
The technical proposal of the liquid cooling pump of the utility model is as follows: the liquid cooling pump includes:
the pump body comprises a water inlet and a water outlet;
the motor is connected with the pump body to drive the impeller in the pump body to rotate;
the exhaust valve is arranged on the pump body and is communicated with a water path in the pump body;
the water inlet valve block is arranged on the water inlet and is provided with a water inlet cavity;
the water outlet valve block is arranged on the water outlet, a water outlet cavity is formed in the water outlet valve block, the top of the water outlet cavity is of a conical structure with a small top and a big bottom, the uppermost end of the conical structure is communicated with a backflow exhaust pipe, and the other end of the backflow exhaust pipe is communicated with the water inlet cavity;
the characteristic that the water pressure of the water outlet of the pump body is greater than the water pressure of the water inlet is utilized, the air accumulated at the top of the water outlet cavity is guided into the water inlet cavity through the backflow exhaust pipe, and therefore the probability that the air is discharged from the exhaust valve is improved.
Further, the water inlet valve block and/or the water outlet valve block are connected with the pump body through flanges.
Further, the exhaust valve is arranged at the upper part of the pump body.
The utility model has the advantages that: the utility model discloses a wind turbine generator system is circulation liquid cooling system for hydraulic pressure station when using, need not to add the structure complicacy, the higher discharge valve of cost, only increase a backward flow blast pipe, and the shape of the top cap of change outlet valve piece can for the toper, can the ingenious pressure that utilizes the delivery port of liquid cooling pump in the system be greater than the characteristics of water inlet pressure, make the air of the toper structure department of assembling on outlet chamber upper portion and a small amount of coolant liquid of mixture can be under the pressure differential effect in the intake antrum of automatic pump to the inlet valve piece, this part air gets into the pump body through the water inlet afterwards, discharge valve on the pump body discharges the air afterwards, therefore visible, the air of interim gathering in the outlet chamber can not get into the radiator along with the coolant liquid circulation, but directly gets back to the inlet valve piece through the backward flow blast pipe, thereby discharge valve is many times. In fact, the air mixed in the whole system can be circularly and repeatedly gathered by the water outlet cavity and then discharged by the exhaust valve after flowing back the exhaust pipe. The conical structure is beneficial to the gas concentration in the system and circularly discharged through the discharge backflow exhaust pipe; the arrangement of the backflow exhaust pipe optimizes the structure of a water cooling system, improves the exhaust efficiency of the system and reduces the gas concentration in the system; because the optimization of system, the cooling liquid can be rapid the formation gasless closed circulation system, the effectual condition of generating heat that has reduced water pump motor operation has increased the life of motor and water pump.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a circulating liquid cooling system for a hydraulic station of a wind turbine generator system according to the present invention;
FIG. 2 is a schematic diagram of a liquid cooling pump;
in the figure: 1-circulation pipeline, 2-radiator, 3-expansion tank, 4-water collecting bottle, 5-liquid cooling pump, 51-pump body, 511-water inlet, 512-water outlet, 52-motor, 53-exhaust valve, 54-water inlet valve block, 541-water inlet cavity, 55-water outlet valve block, 551-water outlet cavity, 552-conical structure and 56-backflow exhaust pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses an embodiment of wind turbine generator system hydraulic pressure station is with circulation liquid cooling system: the circulating liquid cooling system for the hydraulic station of the wind turbine generator comprises a circulating pipeline 1, a radiator 2, an expansion tank 3, a water collecting bottle 4, a liquid cooling pump 5 and the like. Wherein:
the circulating pipeline 1 is connected end to end, and the radiator 2 is installed on the circulating pipeline 1 and used for exchanging heat with a heating module of the wind turbine generator.
The liquid cooling pump 5 comprises a pump body 51, a motor 52 and an exhaust valve 53, wherein the pump body 51 comprises a water inlet 511 and a water outlet 512; the motor 52 is connected with the pump body 51 to drive the impeller in the pump body 51 to rotate; the exhaust valve 53 is mounted on the pump body 51 and communicated with a water path in the pump body 51; the water inlet valve block 54 is arranged on the water inlet 511, a water inlet cavity 541 is arranged in the water inlet valve block 54, and the circulating pipeline 1 is communicated with the water inlet cavity 541; the water outlet valve block 55 is arranged on the water outlet 512, a water outlet cavity 551 is arranged in the water outlet valve block 55, and the circulating pipeline 1 is communicated with the water outlet cavity 551; the top of the water outlet cavity 551 is a tapered mechanism 552 with a small top and a large bottom, the uppermost end of the tapered mechanism 552 is communicated with a backflow exhaust pipe 56, and the other end of the backflow exhaust pipe 56 is communicated with the water inlet cavity 541; by utilizing the characteristic that the water pressure of the water outlet 512 of the pump body 51 is greater than that of the water inlet 511, the air accumulated at the top of the water outlet cavity 551 is guided into the water inlet cavity 541 through the backflow vent pipe 56, so that the probability of air being discharged from the vent valve 53 is improved. The water inlet valve block 54 and the water outlet valve block 55 are connected to the pump body 51 by flanges. The exhaust valve 53 is provided in the upper portion of the pump body 51.
As shown in fig. 2, the bracket fixes the water cooling system, the motor 52 drives the impeller in the pump body 51 to rotate to suck the cooling liquid, the cooling liquid carries out operations such as liquid transportation, flow distribution, temperature measurement and pressure measurement (such as a pressure gauge) through the water outlet valve block 55, when the cooling liquid carrying gas passes through the water outlet valve block 55, the cooling liquid passes through the conical mechanism 552 (bell mouth) at the water outlet valve block 55 due to the low gas density and enters the water inlet valve block 54 through the backflow exhaust pipe 56, so as to be discharged intermittently through the exhaust valve 53; and after the cooling liquid flowing out through the water outlet valve block 55 completes the cooling function, the water inlet valve block 54 returns to the cavity of the water pump to form closed circulation, so that the efficiency of discharging the system gas is improved. Wherein, the water collecting bottle 4 is connected at the water inlet valve block 54 for overflowing the cooling liquid in consideration of the expansion and contraction effect of the cooling liquid.
The utility model discloses a wind turbine generator system hydraulic pressure station is with circulation liquid cooling system when using, need not to add the structure complicacy, discharge valve 53 with higher costs, only increase a backward flow blast pipe 56, and the shape of the top cap of change play water valve piece 55 be the toper can, can ingenious utilize the system in the pressure of the delivery port 512 of liquid cooling pump 5 be greater than the characteristics of water inlet 511 pressure, make the air of the toper mechanism 552 department of assembling on a water cavity 551 upper portion and the mixed a small amount of coolant liquid can be under the pressure differential effect automatic pump to the intake chamber 541 of intake valve piece 54, this part air gets into the pump body 51 through water inlet 511 afterwards, discharge valve 53 on the pump body 51 discharges the air afterwards, from this can be seen, the air of interim gathering can not get into radiator 2 along with the coolant liquid circulation in play water cavity 551, but directly flows back to intake valve piece 54 through blast pipe backward flow 56, thereby discharge valve 53 many times is discharged. In fact, the air mixed in the whole system can be repeatedly collected by the water outlet cavity 551, and then discharged by the air outlet valve 53 after passing through the return air outlet pipe 56. The conical mechanism 552 facilitates gas accumulation in the system and circular exhaust through the exhaust return exhaust pipe 56; the arrangement of the backflow exhaust pipe 56 optimizes the structure of a water cooling system, improves the exhaust efficiency of the system and reduces the gas concentration in the system; due to the optimization of the system, the cooling liquid can rapidly form a gas-free closed circulation system, the heating condition of the water pump motor 52 during operation is effectively reduced, and the service lives of the motor 52 and the water pump are prolonged.
The utility model discloses a structure of liquid cooling pump is the same with the structure of the liquid cooling pump in each embodiment of above-mentioned wind turbine generator system hydraulic pressure station-used circulation liquid cooling system, no longer gives unnecessary details.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A liquid-cooled pump comprising:
the pump body comprises a water inlet and a water outlet;
the motor is connected with the pump body to drive the impeller in the pump body to rotate;
the exhaust valve is arranged on the pump body and is communicated with a water path in the pump body;
it is characterized by also comprising:
the water inlet valve block is arranged on the water inlet and is provided with a water inlet cavity;
the water outlet valve block is arranged on the water outlet, a water outlet cavity is formed in the water outlet valve block, the top of the water outlet cavity is of a conical structure with a small top and a big bottom, the uppermost end of the conical structure is communicated with a backflow exhaust pipe, and the other end of the backflow exhaust pipe is communicated with the water inlet cavity;
the characteristic that the water pressure of the water outlet of the pump body is larger than the water pressure of the water inlet is utilized, the air accumulated at the top of the water outlet cavity is led into the water inlet cavity through the backflow exhaust pipe, and therefore the probability that the air is discharged from the exhaust valve is improved.
2. The liquid cooled pump of claim 1, wherein the water inlet valve block and/or the water outlet valve block are connected to the pump body by flanges.
3. The liquid cooling pump of claim 1, wherein the vent valve is disposed in an upper portion of the pump body.
4. Wind turbine generator system hydraulic pressure station is with circulation liquid cooling system includes:
a circulation line;
the radiator is arranged on the circulating pipeline;
the liquid cooling pump comprises a pump body, a motor and an exhaust valve, wherein the pump body comprises a water inlet and a water outlet; the motor is connected with the pump body to drive the impeller in the pump body to rotate; the exhaust valve is arranged on the pump body and is communicated with a water path in the pump body;
it is characterized by also comprising:
the water inlet valve block is arranged on the water inlet, a water inlet cavity is formed in the water inlet valve block, and the circulating pipeline is communicated with the water inlet cavity;
the water outlet valve block is arranged on the water outlet, a water outlet cavity is arranged in the water outlet valve block, and the circulating pipeline is communicated with the water outlet cavity; the top of the water outlet cavity is of a conical structure with a small top and a big bottom, the uppermost end of the conical structure is communicated with a backflow exhaust pipe, and the other end of the backflow exhaust pipe is communicated with the water inlet cavity;
the characteristic that the water pressure of the water outlet of the pump body is greater than the water pressure of the water inlet is utilized, the air accumulated at the top of the water outlet cavity is guided into the water inlet cavity through the backflow exhaust pipe, and therefore the probability that the air is discharged from the exhaust valve is improved.
5. The circulating liquid cooling system for the wind turbine hydraulic station according to claim 4, wherein the water inlet valve block and/or the water outlet valve block are connected with the pump body through a flange.
6. The circulating liquid cooling system for the hydraulic station of the wind turbine generator set according to claim 4, wherein the exhaust valve is arranged at the upper part of the pump body.
7. The circulating liquid cooling system for the hydraulic station of the wind turbine generator set according to claim 4, wherein an expansion tank is further arranged on the circulating pipeline.
8. The circulating liquid cooling system for the hydraulic station of the wind turbine generator set according to claim 4, wherein a water collecting bottle is further arranged on the circulating pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220819558.2U CN218479927U (en) | 2022-04-11 | 2022-04-11 | Circulating liquid cooling system for hydraulic station of wind turbine generator and liquid cooling pump thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220819558.2U CN218479927U (en) | 2022-04-11 | 2022-04-11 | Circulating liquid cooling system for hydraulic station of wind turbine generator and liquid cooling pump thereof |
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| Publication Number | Publication Date |
|---|---|
| CN218479927U true CN218479927U (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220819558.2U Active CN218479927U (en) | 2022-04-11 | 2022-04-11 | Circulating liquid cooling system for hydraulic station of wind turbine generator and liquid cooling pump thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218479927U (en) |
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2022
- 2022-04-11 CN CN202220819558.2U patent/CN218479927U/en active Active
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