CN216649473U - Emergency water-cooling heat dissipation structure for low-voltage generator - Google Patents
Emergency water-cooling heat dissipation structure for low-voltage generator Download PDFInfo
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- CN216649473U CN216649473U CN202122797571.0U CN202122797571U CN216649473U CN 216649473 U CN216649473 U CN 216649473U CN 202122797571 U CN202122797571 U CN 202122797571U CN 216649473 U CN216649473 U CN 216649473U
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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
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Abstract
The utility model discloses an emergency water-cooling heat dissipation structure for a low-voltage generator, and particularly relates to the technical field of water-cooling heat dissipation structures, wherein the emergency water-cooling heat dissipation structure comprises a transparent protection box, rectangular through holes are formed in two sides of the transparent protection box, and a water-cooling mechanism is arranged in the transparent protection box; the water-cooling mechanism includes the air exhauster, the inside at the transparent protection case is established to the air exhauster, the rear side of air exhauster is equipped with the admission line that distributes about two, the bottom of admission line and check valve is all fixed and is equipped with a plurality of heat exchange tubes, admission line and check valve all communicate with the heat exchange tube, the rear side at the air exhauster is established to the heat exchange tube, the bottom mounting of heat exchange tube is equipped with outlet conduit and inlet channel, outlet conduit establishes the one side and the two intercommunication at the inlet channel. The utility model realizes the effect of water cooling of the low-voltage generator, ensures the normal operation of the low-voltage generator, ensures the smooth production of a production line, is easy to maintain and clean and has practicability.
Description
Technical Field
The utility model relates to the technical field of water-cooling heat dissipation structures, in particular to an emergency water-cooling heat dissipation structure for a low-voltage generator.
Background
Under the help of government, the economy of rural areas develops rapidly, rural small hydropower stations develop continuously, and due to the characteristics of less investment, quick response and high return rate, a large number of investors are attracted, so that the number of low-voltage generators is increased continuously, and along with the continuous improvement of power grid construction, most of the small hydropower stations are in grid-connected operation, and higher requirements are provided for the safe operation of the low-voltage generators. The safe operation of the low-voltage generator is very important, and the low-voltage generator has the characteristics of reliable action, sensitive response and convenient operation, and can ensure good social benefit and economic benefit.
The low-voltage generator belongs to small-sized power generation equipment, generally uses diesel oil as fuel, converts heat energy into electric energy, is applied to a general communication junction, can solve the problem of standby power, has less investment and more flexibility, and can be started at any time, one part of the low-voltage generator is used in a place where a national power grid can not provide electric power, and the other part of the low-voltage generator is used for customers who can not be powered off in a short time due to the influence of natural disasters, planned power failure of power supply enterprises and other sudden accidents although the national power grid is being used.
The power factor of the low-voltage generator depends on the load, but the surface cooling generator generally should not exceed the late phase by 0.95, and when the automatic excitation device of the generator is normally put into operation, the power factor is allowed to operate for a short time within the range of 0.95-1 of the phase entering (whether the generator can operate in the phase entering mode or not is determined after the phase entering test of the generator is carried out).
The low-voltage generator allows continuous operation under three-phase current asymmetry, wherein each phase current cannot exceed a rated value, and the difference of each phase current of the stator does not exceed 8% of the rated value (137.5A) at most. The negative-sequence component current does not exceed 8% of the rated stator current (137.5A) at maximum.
The prior art has the following defects: the existing low-voltage generator is long in working time, so that the low-voltage generator is in fault shutdown due to overheating, the production task of a production line is influenced, and the existing water cooling mechanism is complex in design, so that later maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an emergency water-cooling heat dissipation structure for a low-voltage generator, and aims to solve the problems that in the prior art, the low-voltage generator is in a fault shutdown state due to overheating and the production task of a production line is influenced because the working time of the low-voltage generator is long, and the later maintenance is difficult because the existing water-cooling mechanism is complex in design.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: an emergency water-cooling heat dissipation structure for a low-voltage generator comprises a transparent protection box, wherein rectangular through holes are formed in two sides of the transparent protection box, and a water-cooling mechanism is arranged inside the transparent protection box;
the water-cooling mechanism includes the air exhauster, the inside at the transparent protection case is established to the air exhauster, the rear side of air exhauster is equipped with the admission line that distributes about two, the bottom of admission line and check valve is all fixed and is equipped with a plurality of heat exchange tubes, admission line and check valve all communicate with the heat exchange tube, the rear side at the air exhauster is established to the heat exchange tube, the bottom mounting of heat exchange tube is equipped with outlet conduit and inlet channel, outlet conduit establishes the one side and the two intercommunication at the inlet channel, the inside at the transparent protection case is all established to heat exchange tube, outlet conduit and inlet channel.
Furthermore, a rectangular outer frame is arranged on the front side of the transparent protection box and communicated with the transparent protection box, and the rear side of the rectangular outer frame is fixed with the front side of the transparent protection box through four bolts.
Furthermore, a first filter screen is fixedly arranged on the front side of the rectangular outer frame.
Furthermore, the bottom end of the exhaust fan is fixedly arranged at the bottom end inside the transparent protection box through bolts.
Further, two the front side of admission line all is fixed and is equipped with first fixed bent plate, first fixed bent plate is established between air exhauster and admission line, the air exhauster passes through the bolt fastening with first fixed bent plate.
Furthermore, one end of the water outlet pipeline and one end of the water inlet pipeline both extend out of the outer side of the rectangular through hole.
Furthermore, the front sides of the water outlet pipeline and the water inlet pipeline are fixedly provided with second fixed bent plates, the second fixed bent plates are arranged on the rear side of the exhaust fan, and the exhaust fan and the second fixed bent plates are fixed through bolts.
Furthermore, a second filter screen is inserted into the two air inlet pipelines.
The embodiment of the utility model has the following advantages:
1. in the utility model, one end of the water outlet pipeline is externally connected with the water inlet pipe of the water pump, one end of the water inlet pipeline is externally connected with the water pipe, cold water enters the plurality of heat exchange pipes from the water inlet pipeline, and when the water level is positioned below the air inlet pipeline, stopping cold water from entering, starting the exhaust fan at the moment, exhausting air by the operation of the exhaust fan, sucking heat generated by the low-voltage generator due to the operation of the low-voltage generator out of the heat dissipation holes of the low-voltage generator by suction force generated by the exhaust fan, simultaneously, the suction force opens the one-way valves on the two air inlet pipelines, heat enters the two air inlet pipelines through the second filter screen and enters the plurality of heat exchange pipes for water-cooling heat exchange, then the water pump is started, the water pump works to pump the water in the heat exchange pipes to the outside through the water outlet pipeline, compared with the prior art, the device realizes the water-cooling heat dissipation effect on the low-voltage generator, ensures the normal operation of the low-voltage generator and ensures the smooth production of a production line;
2. according to the utility model, the transparent protection box can be separated from the second filter screen by unscrewing the bolt fixed between the transparent protection box and the second filter screen, at the moment, the exhaust fan can be maintained or replaced, and the first filter screen and the two second filter screens can also be cleaned.
Drawings
FIG. 1 is a schematic view of an overall front view structure provided by the present invention;
FIG. 2 is a schematic view of the internal structure of the transparent protection box provided by the present invention;
FIG. 3 is a schematic rear view of the structure of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of portion A in FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the structure of the portion B in FIG. 3 according to the present invention;
in the figure: 1. a transparent protection box; 2. a rectangular through hole; 3. a rectangular outer frame; 4. a first filter screen; 5. an exhaust fan; 6. an air intake duct; 7. a one-way valve; 8. a second filter screen; 9. a first fixed curved plate; 10. a heat exchange pipe; 11. a water outlet pipeline; 12. a water inlet pipe; 13. a second fixed curved plate.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-5 of the specification, the emergency water-cooling heat dissipation structure for the low-voltage generator comprises a transparent protection box 1, wherein rectangular through holes 2 are formed in two sides of the transparent protection box 1, and a water-cooling mechanism is arranged inside the transparent protection box 1;
the water cooling mechanism comprises an exhaust fan 5, the exhaust fan 5 is arranged inside a transparent protection box 1, the bottom end of the exhaust fan 5 is fixedly arranged at the inner bottom end of the transparent protection box 1 through bolts, if the exhaust fan 5 breaks down, the disassembly is convenient, the rear side of the exhaust fan 5 is provided with two air inlet pipelines 6 which are distributed left and right, the front sides of the two air inlet pipelines 6 are fixedly provided with a first fixed bent plate 9, the first fixed bent plate 9 is arranged between the exhaust fan 5 and the air inlet pipeline 6, the exhaust fan 5 and the first fixed bent plate 9 are fixed through bolts, the air inlet pipeline 6 is fixed by the first fixed bent plate 9, the bottom ends of the air inlet pipeline 6 and the check valve 7 are fixedly provided with a plurality of heat exchange tubes 10, the air inlet pipeline 6 and the check valve 7 are communicated with the heat exchange tubes 10, the heat exchange tubes 10 are arranged at the rear side of the exhaust fan 5, the bottom end of the heat exchange tubes 10 is fixedly provided with a water outlet pipeline 11 and a water inlet pipeline 12, outlet conduit 11 establishes in one side of inlet channel 12 and the two intercommunication, heat exchange tube 10, outlet conduit 11 and inlet channel 12 all establish the inside at transparent protection case 1, the outside of rectangle through-hole 2 is all extended to outlet conduit 11 and inlet channel 12's one end, makes things convenient for outlet conduit 11 to be connected with the water pump and inlet channel 12 and water piping connection, outlet conduit 11 and inlet channel 12's front side is all fixed and is equipped with the fixed bent plate 13 of second, two the fixed bent plate 13 of second is established at the rear side of air exhauster 5, air exhauster 5 passes through the bolt fastening with the fixed bent plate 13 of second, fixes heat exchange tube 10.
The implementation scenario is specifically as follows: the first filter screen 4 is over against the rear side of the heat dissipation holes of the low-voltage generator, one end of the water outlet pipeline 11 is externally connected with a water inlet pipe of a water pump, one end of the water inlet pipeline 12 is externally connected with a water pipe, cold water enters the plurality of heat exchange pipes 10 from the water inlet pipeline 12, when the water level is below the air inlet pipeline 6, the cold water is stopped from entering, the air exhauster 5 is started at the moment, the air exhauster 5 conducts air exhausting in operation, heat generated by the low-voltage generator in operation is sucked out of the heat dissipation holes of the low-voltage generator due to the suction force generated by the air exhauster 5, meanwhile, the check valves 7 on the two air inlet pipelines 6 are opened by the suction force, heat enters the two air inlet pipelines 6 through the second filter screen 8 and enters the plurality of heat exchange pipes 10 to conduct water-cooling heat exchange, the water pump is started, the water pump works to pump the water in the heat exchange pipes 10 to be pumped out of the outside through the water outlet pipeline 11, and the device achieves the effect of water-cooling heat dissipation of the low-voltage generator, the normal operation of low voltage generator has been ensured, has guaranteed the smooth production of production line, and this embodiment has specifically solved among the prior art long longer when current low voltage generator work, leads to the low voltage generator to shut down because of overheated trouble, influences the problem of the production task of production line.
Referring to the attached drawings 1-5 of the specification, the emergency water-cooling heat dissipation structure for the low-voltage generator of the embodiment is characterized in that the rectangular outer frame 3 and the rectangular outer frame 3 are arranged on the front side of the transparent protection box 1 and communicated with each other, the rear side of the rectangular outer frame 3 and the front side of the transparent protection box 1 are fixed through four bolts, the transparent protection box 1 and the rectangular outer frame 3 are convenient to disassemble, the first filter screen 4 is fixedly arranged on the front side of the rectangular outer frame 3, the situation that the air exhauster 5 sucks dust into the air inlet pipeline 6 during operation to cause blockage is avoided, the second filter screen 8 is inserted into the air inlet pipeline 6, and the second filter screen 8 is convenient to take out and clean.
The implementation scene is specifically as follows: unscrewing the bolt of fixing between transparent protection case 1 and the second filter screen 8 and can separating transparent protection case 1 and second filter screen 8, can maintaining or changing air exhauster 5 this moment, also can wasing first filter screen 4 and two second filter screens 8, this device easy to maintain and wash, have the practicality, and this embodiment has specifically solved among the prior art water-cooling mechanism design complicacy for the comparatively difficult problem of maintenance in later stage.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (8)
1. The utility model provides a low pressure is urgent water-cooling heat radiation structure for generator, includes transparent guard box (1), its characterized in that: rectangular through holes (2) are formed in the two sides of the transparent protection box (1), and a water cooling mechanism is arranged inside the transparent protection box (1);
water-cooling mechanism includes air exhauster (5), establish the inside at transparent protection case (1) in air exhauster (5), the rear side of air exhauster (5) is equipped with inlet channel (6) that distribute about two, the bottom of inlet channel (6) and check valve (7) is all fixed and is equipped with a plurality of heat exchange tubes (10), inlet channel (6) and check valve (7) all communicate with heat exchange tube (10), the rear side at air exhauster (5) is established in heat exchange tube (10), the bottom mounting of heat exchange tube (10) is equipped with outlet conduit (11) and inlet channel (12), establish one side and the two intercommunication at inlet conduit (12) outlet conduit (11), the inside at transparent protection case (1) is all established in heat exchange tube (10), outlet conduit (11) and inlet channel (12).
2. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 1, wherein: the front side of the transparent protection box (1) is provided with a rectangular outer frame (3) which is communicated with the transparent protection box, and the rear side of the rectangular outer frame (3) is fixed with the front side of the transparent protection box (1) through four bolts.
3. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 2, wherein: the front side of the rectangular outer frame (3) is fixedly provided with a first filter screen (4).
4. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 1, wherein: the bottom end of the exhaust fan (5) is fixedly arranged at the bottom end inside the transparent protection box (1) through bolts.
5. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 1, wherein: two the front side of admission line (6) all is fixed and is equipped with first fixed bent plate (9), establish between air exhauster (5) and admission line (6) first fixed bent plate (9), air exhauster (5) pass through the bolt fastening with first fixed bent plate (9).
6. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 1, wherein: one end of the water outlet pipeline (11) and one end of the water inlet pipeline (12) both extend out of the outer side of the rectangular through hole (2).
7. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 1, wherein: the front side of outlet conduit (11) and inlet channel (12) all fixes being equipped with the fixed bent plate of second (13), two the rear side at air exhauster (5) is established in the fixed bent plate of second (13), air exhauster (5) pass through the bolt fastening with the fixed bent plate of second (13).
8. The emergency water-cooling heat dissipation structure for the low-voltage generator as claimed in claim 1, wherein: and a second filter screen (8) is inserted into the two air inlet pipelines (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122797571.0U CN216649473U (en) | 2021-11-16 | 2021-11-16 | Emergency water-cooling heat dissipation structure for low-voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122797571.0U CN216649473U (en) | 2021-11-16 | 2021-11-16 | Emergency water-cooling heat dissipation structure for low-voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216649473U true CN216649473U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122797571.0U Active CN216649473U (en) | 2021-11-16 | 2021-11-16 | Emergency water-cooling heat dissipation structure for low-voltage generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216649473U (en) |
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2021
- 2021-11-16 CN CN202122797571.0U patent/CN216649473U/en active Active
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