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CN110985204B - Special generator for school - Google Patents

Special generator for school Download PDF

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Publication number
CN110985204B
CN110985204B CN201911339867.9A CN201911339867A CN110985204B CN 110985204 B CN110985204 B CN 110985204B CN 201911339867 A CN201911339867 A CN 201911339867A CN 110985204 B CN110985204 B CN 110985204B
Authority
CN
China
Prior art keywords
generator
engine
ring plate
pipe joint
isolation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201911339867.9A
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Chinese (zh)
Other versions
CN110985204A (en
Inventor
王远锋
石斌
邬向东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Evotec Power Generation Co ltd
Original Assignee
Anhui Evotec Power Generation Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Evotec Power Generation Co ltd filed Critical Anhui Evotec Power Generation Co ltd
Priority to CN201911339867.9A priority Critical patent/CN110985204B/en
Publication of CN110985204A publication Critical patent/CN110985204A/en
Application granted granted Critical
Publication of CN110985204B publication Critical patent/CN110985204B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/044Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/042Rotating electric generators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00Component parts, details or accessories, not otherwise provided for
    • F02B77/11Thermal or acoustic insulation
    • F02B77/13Acoustic insulation
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention discloses a special generator for schools, which comprises a generator and an engine driving a generator rotor to rotate, wherein isolation covers are fixedly arranged on the outer sides of the engine and the generator, the two isolation covers are fixedly connected in a matched mode through a flange and a connecting bolt, a first ring plate is welded on the inner side of each isolation cover, the outer side wall of the generator is tightly attached to the inner wall of the corresponding first ring plate, a copper sheet is welded between the shell of the engine and the corresponding first ring plate, a vacuum suction pipe joint is arranged on the first ring plate, a water storage cavity is formed between the first ring plate and the isolation covers, a second ring plate matched with the first ring plate is welded on the end portion of the isolation cover on the outer side of the engine, and a water inlet pipe joint and a water outlet pipe joint are respectively arranged on the isolation covers on the outer sides of the engine and the generator. This generator carries out optimal design to the audio effect, and the noise is littleer, has avoided generator work to cause the pollution to campus sound environment, guarantees going on in order of teaching.

Description

Special generator for school
Technical Field
The invention belongs to the technical field of generator equipment, and particularly relates to a special generator for schools.
Background
The generator is mechanical equipment which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits the mechanical energy to the generator, and then the generator converts the mechanical energy into electric energy. In the current dc motor, an excitation method of generating a main pole magnetic field by a dc current is called current excitation; if permanent magnets are used instead of current excitation to produce the main pole field, such machines are referred to as permanent magnet motors.
Need cool down the heat dissipation at the generator during operation, the in-process of airing exhaust can produce a large amount of noises when using the forced air cooling heat dissipation to at mechanical pivoted in-process same production noise, and to the special generator of school, the noise of a large amount of outputs can cause the pollution to the sound environment on campus, influences normal orderly teaching, so need the design of pertinence to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a special generator for schools, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a special generator of school, includes generator and drive generator rotor pivoted engine, the equal fixed mounting in the outside of engine and generator has the cage, two the cage passes through flange and connecting bolt cooperation fixed connection, the inboard welding of cage has first crown plate, the lateral wall of generator is hugged closely with the inner wall of the first crown plate that corresponds, the welding has the copper sheet between the shell of engine and the first crown plate that corresponds, and is provided with the vacuum suction pipe joint on the first crown plate.
Form the retaining chamber between first crown plate and the cage, the tip welding of the cage in the engine outside has the second crown plate with first crown plate complex, and first crown plate and second crown plate insert the retaining intracavity in the generator outside, the retaining chamber intercommunication in the engine and the generator outside, and be provided with water inlet pipe joint and water outlet pipe joint on the cage in the engine and the generator outside respectively.
Preferably, the stepped groove is formed in the inner side of the end part of the first annular plate and the outer side of the second annular plate, and a rubber sealing sleeve is paved on the stepped groove.
Preferably, baffles are symmetrically welded on the inner wall of the upper part of the isolation cover, and a gap of 1-2 mm is formed between the lower end of each baffle and the first annular plate.
Preferably, the lower extreme symmetry welding of cage has two support frames, the lower extreme of support frame and linear guide's expansion end fixed connection.
Preferably, the two linear guide rails are fixedly connected through a connecting bracket.
Preferably, a clamping seat is fixedly installed at the end part of the output shaft of the engine, a clamping block is fixedly installed at the rotor end of the generator, and the generator is inserted into the clamping groove of the clamping seat through the clamping block to realize transmission with the engine.
The invention has the technical effects and advantages that: this special generator of school, earlier through the inside formation vacuum cavity at first crown plate, prevent the noise that machinery rotated the production to external transmission, again through the water storage chamber cooperation two coupling formation cooling water cooling circuit that form between first crown plate and cage, cancel the air-cooled design, restrain the noise of airing exhaust, and the dispersion of the noise suppression that the water storage chamber can be further guarantees campus sound environment, guarantees going on in order of teaching.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection between the shielding case and the baffle.
In the figure: 1. a generator; 2. an engine; 3. an isolation cover; 4. a flange; 5. a connecting bolt; 6. a first ring plate; 7. a copper sheet; 8. a vacuum suction pipe joint; 9. a water storage cavity; 10. a second ring plate; 11. a water inlet pipe joint; 12. a water outlet pipe joint; 13. a stepped groove; 14. a rubber sealing sleeve; 15. a baffle plate; 16. A support frame; 17. a linear guide rail; 18. connecting a bracket; 19. a card holder; 20. and (7) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention provides a generator special for schools as shown in figures 1-2, which comprises a generator 1 and an engine 2 for driving a rotor of the generator 1 to rotate, wherein isolation covers 3 are fixedly arranged on the outer sides of the engine 2 and the generator 1, the two isolation covers 3 are matched and fixedly connected through a flange 4 and a connecting bolt 5, a first annular plate 6 is welded on the inner side of each isolation cover 3, the outer side wall of the generator 1 is tightly attached to the inner wall of the corresponding first annular plate 6, a copper sheet 7 is welded between the shell of the engine 2 and the corresponding first annular plate 6, and a vacuum suction pipe joint 8 is arranged on the first annular plate 6; because the outer side wall of the generator 1 is tightly attached to the inner wall of the corresponding first ring plate 6, heat generated by the generator 1 can be conducted to the corresponding first ring plate 6 through the shell, and heat generated by the engine 2 is conducted to the corresponding first ring plate 6 through the copper sheet 7.
A water storage cavity 9 is formed between the first ring plate 6 and the isolation cover 3, a second ring plate 10 matched with the first ring plate 6 is welded at the end part of the isolation cover 3 outside the engine 2, the first ring plate 6 and the second ring plate 10 are inserted into the water storage cavity 9 outside the generator 1, the water storage cavities 9 outside the engine 2 and the generator 1 are communicated, a water inlet pipe joint 11 and a water outlet pipe joint 12 are respectively arranged on the isolation cover 3 outside the engine 2 and the generator 1, the open ends of the two isolation covers 3 are butted through a flange 4 and a connecting nut, the first ring plate 6 and the second ring plate 10 outside the engine 2 are inserted into the water storage cavity 9 outside the generator 1, the water storage cavities 9 outside the engine 2 and the generator 1 are communicated, the space inside the first ring plate 6 is vacuumized through a vacuum suction device externally connected with a vacuum suction device 8, and the noise generated in the mechanical rotation process can be prevented from being transmitted to the outside, reach the effect of making an uproar of falling to through the intercommunication in the retaining chamber 9 in engine 2 and the generator 1 outside, cooperation water inlet pipe connects 11 and the external water pipe of outlet pipe joint 12 forms the cooling water return circuit, reaches quick water-cooled effect, and the cancellation air-cooled cooling avoids the noise condition of airing exhaust, further restraines the propagation of generator 1 during operation noise.
Stepped groove 13 has been seted up in the inboard of first crown plate 6 tip and the outside of second crown plate 10, stepped groove 13 upper berth is equipped with rubber seal cover 14, seals the gap between the first crown plate 6 in the engine 2 and the generator 1 outside through rubber seal cover 14, avoids the condition that the cooling water in the retaining chamber 9 was revealed, and the practicality is stronger.
The inner wall of the upper part of the isolation cover 3 is symmetrically welded with a baffle 15, a gap of 1-2 mm exists between the lower end of the baffle 15 and the first annular plate 6, after a water inlet pipe joint 11 is externally connected with a water pipe to discharge cooling water into the water storage cavity 9, the cooling water flows out through the gap at the lower end of the baffle 15 and flows along the surface of the first annular plate 6, and the water cooling effect is ensured.
Two support frames 16 are symmetrically welded at the lower ends of the isolation covers 3, the lower ends of the support frames 16 are fixedly connected with the movable ends of the linear guide rails 17, the driving engine 2 of the linear guide rails 17 drives the reciprocating screw rods to rotate, so that the movable nuts on the reciprocating screw rods are close to the middle part at the same time, and the two isolation covers 3 are dragged through the support frames 16 to be assembled.
The two linear guide rails 17 are fixedly connected through the connecting support 18, so that the stability of the arrangement of the linear guide rails 17 is stronger.
The end part of the output shaft of the engine 2 is fixedly provided with a clamping seat 19, the rotor end of the generator 1 is fixedly provided with a clamping block 20, and the generator 1 is inserted into a clamping groove of the clamping seat 19 through the clamping block 20 to realize transmission with the engine 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a special generator of school, includes generator (1) and drive generator (1) rotor pivoted engine (2), its characterized in that: the outer sides of the engine (2) and the generator (1) are fixedly provided with isolation covers (3), the two isolation covers (3) are matched and fixedly connected through flanges (4) and connecting bolts (5), a first annular plate (6) is welded on the inner side of each isolation cover (3), the outer side wall of the generator (1) is tightly attached to the inner wall of the corresponding first annular plate (6), a copper sheet (7) is welded between the shell of the engine (2) and the corresponding first annular plate (6), and a vacuum suction pipe joint (8) is arranged on each first annular plate (6),
form water storage cavity (9) between first crown plate (6) and cage (3), the tip welding of cage (3) in engine (2) outside has second crown plate (10) with first crown plate (6) complex, and first crown plate (6) and second crown plate (10) insert in water storage cavity (9) in generator (1) outside, water storage cavity (9) intercommunication in engine (2) and generator (1) outside, and be provided with intake pipe joint (11) and outlet pipe joint (12) on cage (3) in engine (2) and generator (1) outside respectively.
2. A school specific generator according to claim 1, wherein: stepped grooves (13) are formed in the inner side of the end portion of the first annular plate (6) and the outer side of the second annular plate (10), and rubber sealing sleeves (14) are paved on the stepped grooves (13).
3. A school specific generator according to claim 1, wherein: baffles (15) are symmetrically welded on the inner wall of the upper part of the isolation cover (3), and a gap of 1-2 mm exists between the lower end of each baffle (15) and the first annular plate (6).
4. A school specific generator according to claim 1, wherein: two support frames (16) are symmetrically welded at the lower end of the isolation cover (3), and the lower ends of the support frames (16) are fixedly connected with the movable ends of the linear guide rails (17).
5. The school specific generator according to claim 4, wherein: the two linear guide rails (17) are fixedly connected through a connecting support (18).
6. A school specific generator according to claim 1, wherein: the end part of an output shaft of the engine (2) is fixedly provided with a clamping seat (19), a rotor end of the generator (1) is fixedly provided with a clamping block (20), and the generator (1) is inserted into a clamping groove of the clamping seat (19) through the clamping block (20) to realize transmission with the engine (2).
CN201911339867.9A 2019-12-23 2019-12-23 Special generator for school Active CN110985204B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911339867.9A CN110985204B (en) 2019-12-23 2019-12-23 Special generator for school

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911339867.9A CN110985204B (en) 2019-12-23 2019-12-23 Special generator for school

Publications (2)

Publication Number Publication Date
CN110985204A CN110985204A (en) 2020-04-10
CN110985204B true CN110985204B (en) 2022-01-11

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ID=70075591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911339867.9A Active CN110985204B (en) 2019-12-23 2019-12-23 Special generator for school

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8872361B2 (en) * 2012-01-25 2014-10-28 Briggs & Stratton Corporation Standby generators including compressed fiberglass components
CN205154386U (en) * 2015-11-26 2016-04-13 济南吉美乐电源技术有限公司 Subminiature silence generator unit
CN206707828U (en) * 2017-04-17 2017-12-05 湖南乾鼎电气设备有限公司 Diesel generating set auxiliary water cooling structure
CN209398500U (en) * 2018-12-29 2019-09-17 江苏恒通发电机制造有限公司 A kind of mute cabinet of generator
CN209541771U (en) * 2019-04-29 2019-10-25 苏州邈航科技有限公司 Temperature control box for three-axle table calibration inertia device

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