CN214247588U - Automatic liquid feeding device of water-cooling system of wind generating set - Google Patents
Automatic liquid feeding device of water-cooling system of wind generating set Download PDFInfo
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- CN214247588U CN214247588U CN202022790363.3U CN202022790363U CN214247588U CN 214247588 U CN214247588 U CN 214247588U CN 202022790363 U CN202022790363 U CN 202022790363U CN 214247588 U CN214247588 U CN 214247588U
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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
Abstract
The utility model provides a wind generating set water-cooling system's automatic liquid feeding device, wind generating set water-cooling system is including the cooling unit who is equipped with the water-cooling pump, automatic liquid feeding device include pressure feed unit and automatic fluid infusion unit, the pressure feed unit include fluid infusion bucket, water pump, motor and pressure switch, automatic fluid infusion unit include choke valve and second check valve, the choke valve setting on the pipeline between pressure switch and cooling unit, the second check valve setting on the pipeline between choke valve and cooling unit. The utility model provides an among the automatic liquid feeding device, the pressure feed unit passes through pressure switch control, can keep system's pressure at a definite value, when water-cooling pump pressure is less than the setting value, is the water-cooling pump moisturizing by automatic fluid infusion unit, and whole process does not need manual operation, can be quick, convenient for water-cooling pump make-up water-cooling liquid.
Description
Technical Field
The utility model belongs to the technical field of wind power generation and specifically relates to an automatic liquid feeding device of wind generating set water-cooling system is related to.
Background
In the daily operation and maintenance work of the wind power generation water-cooling system unit, the pressure of a daily water-cooling system is low, and a water-cooling pump is in water shortage fault, but the daily loss of water-cooling liquid and the influence of expansion with heat and contraction with cold are mostly caused because the daily water-cooling system has low pressure and no substantial fault exists after inspection.
The existing treatment method adopts manual fluid infusion, the time consumption and the intensity for executing the operation are long, the utilization rate of a unit is influenced, and the generating capacity of the unit is also influenced. According to the data of the previous year project, the pressure low fault of a water cooling system caused by water shortage of a water cooling pump is about 4 times per year, the average shutdown time is about 6.5H, 16 units and 1200KW/H electric quantity loss calculation are carried out according to the field, and the annual generated energy loss caused by the fault is about: 16 x 4 x 6.5 x 1200KW/H equal to 49.92 ten thousand KW/H. Furthermore, 2 jobs required for single failure handling are 3H, annual man-hours add up to about: 16 x 4 x 2 x 3H is 384 man-hours, and the labor cost is also large.
Therefore, it is an urgent need to provide a device for rapidly and conveniently supplementing water cooling liquid to a water cooling pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind generating set water-cooling system's automatic liquid feeding device can be quick, convenient for the water-cooling pump make-up water-cooling liquid, overcome artifical fluid infusion among the prior art, long, the intensity is big when the work consumes, influences the problem of unit utilization ratio.
In order to achieve the above object, the present invention provides the following technical solutions:
according to the first aspect of the utility model, an automatic liquid adding device of a water-cooling system of a wind generating set is provided, the water-cooling system of the wind generating set comprises a cooling unit provided with a water-cooling pump, the automatic liquid adding device comprises a pressure supply unit and an automatic liquid supplementing unit, the pressure supply unit comprises a liquid supplementing barrel, a water pump, a motor and a pressure switch,
the liquid supplementing barrel is filled with antifreeze,
the water pump is connected with the cooling unit through a pipeline, the water pump is arranged in the liquid supplementing barrel and is positioned below the liquid level of the antifreeze liquid,
the motor provides power for the water pump, is positioned on the liquid level of the antifreeze solution,
the pressure switch is arranged on a pipeline between the water pump and the cooling unit, and can monitor the pressure in the pipeline and control the on/off of the motor;
the automatic liquid supplementing unit comprises a throttle valve and a second one-way valve,
the throttle valve is arranged on a pipeline between the pressure switch and the cooling unit,
the first check valve is arranged on a pipeline between the throttling valve and the cooling unit.
Furthermore, a filter is arranged on a pipeline between the water pump and the pressure switch.
Furthermore, a first one-way valve is arranged on a pipeline between the filter and the pressure switch.
Furthermore, a pressure gauge is arranged on a pipeline between the pressure switch and the throttle valve.
Furthermore, an exhaust valve is arranged on a pipeline between the pressure gauge and the throttle valve.
Furthermore, an energy accumulator is arranged on a pipeline between the exhaust valve and the throttle valve, and the energy accumulator can store the pressure in the pipeline.
Furthermore, an overflow valve is arranged on a pipeline between the energy accumulator and the throttle valve, and the overflow valve is also connected with the liquid supplementing barrel.
Furthermore, a liquid level sensor is arranged on the liquid supplementing barrel, and a liquid injection hole is formed in the liquid supplementing barrel.
Further, the cooling unit comprises any one or a combination of more than two of a gearbox cooling unit, a generator cooling unit and a frequency converter cooling unit.
Furthermore, the automatic liquid feeding device of the water-cooling system of the wind generating set further comprises a cooling unit leakage-proof structure, the cooling unit leakage-proof structure comprises a contactor for controlling the opening/closing of a water pump power supply loop, a circuit switch connected with the contactor in series and a timer for controlling the connection/disconnection of the circuit switch, and the timer is used for recording the opening/closing time of the water pump.
The utility model has the advantages of as follows: the utility model provides an automatic liquid feeding device of a wind generating set water-cooling system, wherein, the pressure supply unit is controlled by a pressure switch, the system pressure can be kept at a certain value, when the pressure of the water-cooling pump is less than a set value, the automatic liquid supplementing unit supplements water for the water-cooling pump, the whole process does not need manual operation, the water-cooling pump can be supplemented with water-cooling liquid quickly and conveniently, and the problems of long time consumption, high strength and influence on the utilization rate of the unit caused by manual liquid supplementing in the prior art are overcome; in addition, this application prevents leaking the structure through setting up the cooling unit, can avoid the antifreeze to leak by accident to promote the security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic liquid adding device provided in example 1;
FIG. 2 is a schematic structural view of a pressure supply unit in the automatic liquid adding apparatus provided in example 1;
fig. 3 is a schematic structural diagram of an automatic liquid replenishing unit in the automatic liquid adding device provided in embodiment 1;
FIG. 4 is a circuit diagram of the automatic liquid adding apparatus provided in example 1;
FIG. 5 is a circuit diagram showing a leakage preventing structure of a cooling unit in the automatic liquid adding apparatus according to example 2;
description of reference numerals: 1-liquid replenishing barrel; 2-a water pump; 3, a motor; 4-a pressure switch; 5-a throttle valve; 6-a second one-way valve; 7-a filter; 8-a first one-way valve; 9-a pressure gauge; 10-an exhaust valve; 11-an accumulator; 12-an overflow valve; 13-a liquid level sensor; 14-liquid injection hole; 1501-gearbox cooling unit; 1502-generator cooling unit; 1503-frequency converter cooling unit; 16-a contactor; 17-timer.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the embodiment provides an automatic liquid adding device for a water-cooling system of a wind generating set, where the water-cooling system of the wind generating set includes a cooling unit provided with a water-cooling pump, and the automatic liquid adding device includes a pressure supply unit and an automatic liquid supplementing unit;
as shown in fig. 2, the pressure supply unit includes a liquid supplement tank 1, a water pump 2, a motor 3 and a pressure switch 4, the antifreeze solution is contained in the liquid supplement tank 1, the water pump 2 is connected with the cooling unit through a pipeline, the water pump 2 is arranged in the liquid supplement tank 1, the water pump 2 is positioned below the liquid level of the antifreeze solution, the motor 3 provides power for the water pump 2, the motor 3 is positioned above the liquid level of the antifreeze solution, the pressure switch 4 is arranged on the pipeline between the water pump 2 and the cooling unit, and the pressure switch 4 can monitor the pressure in the pipeline and control the on/off of the motor 3.
The automatic liquid replenishing unit shown in fig. 3 includes a throttle valve 5 and a second check valve 6, the throttle valve 5 being disposed on a pipe between the pressure switch 4 and the cooling unit, and the second check valve 6 being disposed on a pipe between the throttle valve 5 and the cooling unit.
Preferably, a filter 7 is arranged on a pipeline between the water pump 2 and the pressure switch 4. And a first one-way valve 8 is arranged on a pipeline between the filter 7 and the pressure switch 4. And a pressure gauge 9 is arranged on a pipeline between the pressure switch 4 and the throttle valve 5. And an exhaust valve 10 is arranged on a pipeline between the pressure gauge 9 and the throttle valve 5. An energy accumulator 11 is arranged on a pipeline between the exhaust valve 10 and the throttle valve 5, and the energy accumulator 11 can store the pressure in the pipeline. And an overflow valve 12 is arranged on a pipeline between the energy accumulator 11 and the throttle valve 5, and the overflow valve 12 is also connected with the liquid supplementing barrel 1. The liquid supplementing barrel 1 is provided with a liquid level sensor 13, and the liquid supplementing barrel 1 is provided with a liquid injection hole 14. The cooling unit comprises any one or a combination of more than two of a gearbox cooling unit 1501, a generator cooling unit 1502 and an inverter cooling unit 1503.
The specific working process of the pressure supply unit comprises the steps that when the pressure switch 4 detects that the pressure in the pipeline is lower than a starting pressure set value, power is supplied to the motor 3, the motor 3 is started after being electrified, the water pump 2 is driven to run, system pressure is generated, the system pressure enters a main loop of the system after passing through the filter 7 and the second one-way valve 6, the energy accumulator 10 starts to store energy, the power supply of the motor 3 is cut off after the system pressure reaches the pressure switch 4 stopping set value, the water pump 2 stops working, and the pressure supplementing action of the system pressure is completed.
The specific working process of the automatic liquid supplementing unit comprises the steps of utilizing the characteristic of the first check valve 8 to automatically supplement liquid, when the pressure of the water cooling unit is smaller than the working pressure value, the pressure of the automatic liquid supplementing unit is larger than the pressure of a water cooling pump in the cooling unit, the first check valve 8 is opened, and the liquid is automatically supplemented; and after the pressure of the water cooling unit reaches the working pressure value, the pressure of the automatic liquid supplementing unit is equal to or less than the pressure of the liquid supplementing pump, the first one-way valve 8 is closed, and the automatic liquid supplementing process is finished.
Example 2
On the basis of the technical solution of embodiment 1, this embodiment provides a cooling unit leakage prevention structure, which includes a contactor 16 for controlling the on/off of the power supply circuit of the water pump 2, a circuit switch connected in series with the contactor 16, and a timer 17 for controlling the connection/disconnection of the circuit switch, where the timer 17 is used for recording the time when the water pump 2 is on/off. In a specific implementation, the pressure switch 4, the liquid level sensor 13, and the timer 17 may be connected in series, and when the time is not within the preset range of the timer 17, even if the pressure switch 4, the liquid level sensor 13, and the like reach the starting condition of the water pump 2, the contactor 16 cannot be closed, and the water pump 2 is in a stopped state.
The pressure supply unit in the automatic liquid adding device provided by the embodiment is controlled by the pressure switch 4, the system pressure can be kept at a certain value, when the pressure of the water-cooling pump is smaller than a set value, the automatic liquid supplementing unit supplements water for the water-cooling pump, the whole process does not need manual operation, the water-cooling pump can be supplemented with water-cooling liquid quickly and conveniently, and the problems that in the prior art, manual liquid supplementation, long operation time and high strength affect the utilization rate of a unit are solved; in addition, this application prevents leaking the structure through setting up the cooling unit, can avoid the antifreeze to leak by accident to promote the security.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a wind generating set water-cooling system's automatic liquid feeding device, wind generating set water-cooling system is including the cooling unit who is equipped with the water-cooling pump, its characterized in that: the automatic liquid adding device comprises a pressure supply unit and an automatic liquid supplementing unit, the pressure supply unit comprises a liquid supplementing barrel, a water pump, a motor and a pressure switch,
the liquid supplementing barrel is filled with antifreeze,
the water pump is connected with the cooling unit through a pipeline, the water pump is arranged in the liquid supplementing barrel and is positioned below the liquid level of the antifreeze liquid,
the motor provides power for the water pump, is positioned on the liquid level of the antifreeze solution,
the pressure switch is arranged on a pipeline between the water pump and the cooling unit, and can monitor the pressure in the pipeline and control the on/off of the motor;
the automatic liquid supplementing unit comprises a throttle valve and a second one-way valve,
the throttle valve is arranged on a pipeline between the pressure switch and the cooling unit,
a filter is arranged on the pipeline between the water pump and the pressure switch, a first one-way valve is arranged on the pipeline between the filter and the pressure switch,
the first check valve is arranged on a pipeline between the throttling valve and the cooling unit.
2. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 1, characterized in that: and a pressure gauge is arranged on a pipeline between the pressure switch and the throttle valve.
3. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 2, characterized in that: and an exhaust valve is arranged on a pipeline between the pressure gauge and the throttle valve.
4. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 3, characterized in that: and an energy accumulator is arranged on a pipeline between the exhaust valve and the throttle valve and can store the pressure in the pipeline.
5. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 4, characterized in that: and an overflow valve is arranged on a pipeline between the energy accumulator and the throttle valve and is also connected with the liquid supplementing barrel.
6. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 1, characterized in that: the liquid supplementing barrel is provided with a liquid level sensor and a liquid injection hole.
7. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 1, characterized in that: the cooling unit comprises any one or the combination of more than two of a gearbox cooling unit, a generator cooling unit and a frequency converter cooling unit.
8. The automatic liquid feeding device of the water-cooling system of the wind generating set according to claim 1, characterized in that: the cooling unit leakage-proof structure comprises a contactor for controlling the opening/closing of a water pump power supply loop, a circuit switch connected with the contactor in series and a timer for controlling the connection/disconnection of the circuit switch, wherein the timer is used for recording the opening/closing time of the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022790363.3U CN214247588U (en) | 2020-11-26 | 2020-11-26 | Automatic liquid feeding device of water-cooling system of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022790363.3U CN214247588U (en) | 2020-11-26 | 2020-11-26 | Automatic liquid feeding device of water-cooling system of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214247588U true CN214247588U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022790363.3U Active CN214247588U (en) | 2020-11-26 | 2020-11-26 | Automatic liquid feeding device of water-cooling system of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214247588U (en) |
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2020
- 2020-11-26 CN CN202022790363.3U patent/CN214247588U/en active Active
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