CN113517778B

CN113517778B - Novel generator

Info

Publication number: CN113517778B
Application number: CN202110496965.4A
Authority: CN
Inventors: 陈国标; 陈燕国; 陈观成
Original assignee: Guangxi Sida Electrical Appliance Co ltd
Current assignee: Guangxi Sida Electrical Appliance Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-07-15
Anticipated expiration: 2041-05-07
Also published as: CN113517778A

Abstract

The invention discloses a novel generator, relates to a generator, and solves the technical problems that the conventional generator is easy to enter sundries, and the internal carbon brush and a current collecting ring are easy to be involved with dust sundries due to exposure, so that the abrasion is overlarge. It includes the generator body, installs the collecting ring in the generator body, the top of collecting ring is equipped with the carbon brush mount pad, the activity is pegged graft in the carbon brush mount pad has the carbon brush, install the protective sheath of wrapping up carbon brush and collecting ring on the carbon brush mount pad, the induced air joint is installed to one side of carbon brush mount pad, the induced air pipe is installed to the below of induced air joint, the induced air pipe runs through the protective sheath and extends to inside it, the induced air pipe extends to the one end in the protective sheath and installs the wind joint that spouts, the air outlet has been seted up to the one end of keeping away from the wind joint in the protective sheath bottom. The invention prevents sundries from entering the generator, avoids the problem that the carbon brush or the collecting ring is excessively abraded because sundries and dust are drawn between the collecting ring and the contact surface of the carbon brush, and has the advantages of effectiveness, reliability and good abrasion-proof effect.

Description

Novel generator

Technical Field

The present invention relates to generators, and more particularly, it relates to a novel generator.

Background

The generator is an important component of the agricultural machinery and mainly plays a role in providing continuous electric energy for electronic equipment on the agricultural machinery. The generator all can produce a large amount of heat when the electricity generation, consequently, current generator still has set up the flabellum in its inside except that can set up the louvre on the generator to satisfy the heat dissipation requirement of generator. However, in the operation process of agricultural machinery, especially when the agricultural machinery operates in regions with severe working conditions such as harvest fields, mining areas and the like, more dust and sundries can enter the generator through the heat dissipation holes, and the normal operation of the engine is seriously affected. In addition, the carbon brush and the collector ring in the generator are both in an exposed state, so that when sundries or dust are often caught between the contact surfaces of the carbon brush and the collector ring, the carbon brush or the collector ring is abraded too much or even damaged, and the carbon brush or the collector ring is often required to be replaced and maintained.

Disclosure of Invention

The invention provides a novel generator aiming at the defects of the prior art, and solves the problems that the existing generator is easy to enter sundries, and the carbon brush and the current collecting ring inside the generator are easy to be involved with dust sundries due to being exposed, so that the abrasion of the generator is too large.

The technical scheme of the invention is as follows: a novel generator comprises a generator body and a protective mesh enclosure, wherein a collecting ring is arranged in the generator body, a carbon brush mounting seat is arranged above the collecting ring, a carbon brush is movably inserted in the carbon brush mounting seat, a protective sleeve wrapping the carbon brush and the collecting ring is mounted on the carbon brush mounting seat, an induced air joint is mounted on one side of the carbon brush mounting seat, an induced air pipe is mounted below the induced air joint, the induced air pipe penetrates through the protective sleeve and extends into the protective sleeve, an air spraying joint is mounted at one end of the induced air pipe extending into the protective sleeve, and an air outlet is formed in one end, far away from the air spraying joint, of the bottom of the protective sleeve; a limiting groove is formed in the inner wall of the protective net cover, three magnetic rings are embedded in the limiting groove, a filter screen is movably arranged in the limiting groove, and the filter screen is adsorbed on one of the magnetic rings; an operating rod is arranged at the center of one side of the filter screen, the operating rod is movably inserted into the protective net cover, and the operating rod penetrates through and extends to the outer side of the protective net cover; the filter screen is characterized in that hairbrushes are arranged on the protective screening covers on two sides of the filter screen, and chip removal ports are arranged on the protective screening covers below the hairbrushes.

In a further improvement, the port of the induced draft joint is arranged obliquely downwards, and a dust filter net is arranged on the port of the induced draft joint.

Furthermore, the thickness of the induced air pipe is gradually reduced from the induced air joint to one end of the air spraying joint.

Furthermore, the air injection joint is an arc-shaped joint, an air conveying cavity is arranged in the air injection joint, a plurality of air injection holes are formed in the tail end of the air injection joint, and the air injection holes are communicated with the air conveying cavity.

Furthermore, the bottom of the protective sleeve is obliquely arranged.

Furthermore, two flanges are arranged below the generator body, a guard plate is arranged between the two flanges, and a plurality of ventilation grooves which are arranged in a staggered mode are formed in the guard plate.

Furthermore, an operating handle is arranged at the end part of the operating rod positioned outside the protective mesh enclosure.

Furthermore, an inserting groove which expands along the periphery of the chip removing opening is formed in the outer wall of the protective net cover, a magnet block is fixedly embedded in the inserting groove, a blocking head is movably inserted in the inserting groove and adsorbed on the magnet block, and a pull ring is arranged below the blocking head.

Furthermore, a rubber column is fixedly arranged at the end part of the blocking head, the rubber column is inserted into the chip removal port, and the rubber column penetrates through the chip removal port and extends into the protective net cover; one end of the rubber column extending into the protective net cover is provided with a rubber snap ring, and the end face of the rubber snap ring is connected with the edge of the chip removal port in a contact manner

Advantageous effects

The invention has the advantages that: the protective sleeve is arranged on the carbon brush mounting seat of the generator body, the carbon brush and the collecting ring are isolated from the inside of the generator body through the protective sleeve, the problem that sundries and dust are drawn into the contact surface between the collecting ring and the carbon brush to cause the carbon brush or the collecting ring to be worn too much is avoided, and the working performance of the carbon brush and the collecting ring is ensured. The side face of the carbon brush mounting seat is provided with the air inducing connector, the air inducing pipe and the air spraying connector, so that the dust blowing of the collector ring by the air generated by the generator body is realized, the surface of the collector ring is kept clean all the time, the collector ring and the carbon brush can be effectively protected, the contact friction between the collector ring and the carbon brush is more stable, and the anti-abrasion effect is better. In addition, through installing the filter screen in the protection screen panel, can effectual reduction outside debris enter into the inside condition of generator, do benefit to the operation of generator. And the hair brushes arranged on the two sides of the filter screen can clear sundry dust adhered to the multiple filter screens, so that the problem that the blockage of the filter screen affects the heat dissipation of the generator is avoided, and the electric generator is practical and reliable.

Drawings

FIG. 1 is a schematic view of a generator according to the present invention;

fig. 2 is a schematic cross-sectional view of a connection portion of a collector and a carbon brush according to the present invention;

FIG. 3 is a schematic side view of a connection between a collector and a carbon brush according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 5 is a schematic view of the internal structure of the protective mesh enclosure according to the present invention;

fig. 6 is an enlarged structural view at B in fig. 5.

Wherein: 1-a generator body, 2-a collecting ring, 3-a carbon brush mounting seat, 4-a carbon brush, 5-a protective sleeve, 6-an induced air joint, 7-an induced air pipe, 8-an air spray joint, 9-an air outlet, 10-a flange, 11-a protective plate, 12-a second mounting lug, 13-a clamping groove, 14-a buckle, 15-a protective mesh enclosure, 16-an operating rod, 17-an operating handle, 18-a limiting groove, 19-a magnetic ring, 20-a filter screen, 21-a hair brush, 22-a magnet block, 23-a sealing head, 24-a rubber column and 25-a rubber clamping ring.

Detailed Description

The invention is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.

Referring to fig. 1-6, the novel generator of the present invention includes a generator body 1 and a protective mesh 15. A collecting ring 2 is arranged in the generator body 1, a carbon brush mounting seat 3 is arranged above the collecting ring 2, and a carbon brush 4 is movably inserted in the carbon brush mounting seat 3. The carbon brush mounting seat 3 is provided with a protective sleeve 5 wrapping the carbon brush 4 and the collecting ring 2, one end of the protective sleeve 5 is connected with the shell of the generator body 1 in a contact mode, and the other end of the protective sleeve 5 is connected with the collecting ring 2 in a rotating mode. Through the parcel of protective sheath 5, realize carbon brush 4 and collecting ring 2 and the inside isolation of generator body 1, avoided entering into on the inside debris of generator body 1, dust fall collecting ring 2 or carbon brush 4, guaranteed carbon brush 4 and collecting ring 2's working property. An induced air connector 6 is installed on one side of the carbon brush installation base 3, and the induced air connector 6 faces the fan inside the generator body 1. An induced air pipe 7 is arranged below the induced air joint 6, the induced air pipe 7 penetrates through the protective sleeve 5 and extends into the protective sleeve 5, an air spraying joint 8 is arranged at one end of the induced air pipe 7 extending into the protective sleeve 5, and the air spraying joint 8 faces to a track where the collecting ring 2 contacts with the carbon brush 4. An air outlet 9 is arranged at one end of the bottom of the protective sleeve 5 far away from the air-jet joint 8.

The inner wall of the protective net cover 15 is provided with a limiting groove 18, three magnetic rings 19 are embedded in the limiting groove 18, and a filter screen 20 is movably arranged in the limiting groove 18 and used for filtering out external impurities and preventing the impurities from entering the generator to influence the work of the generator. The filter screen 20 is attached to one of the magnetic rings 19. An operating rod 16 is arranged at the center of one side of the filter screen 20, the operating rod 16 is movably inserted into the protective mesh enclosure 15, and the operating rod 16 penetrates through and extends to the outer side of the protective mesh enclosure 15; the protective net covers 15 on both sides of the filter screen 20 are provided with brushes 21. Specifically, the bristles of the brush 21 extend into the magnetic ring 19 adjacent to the brush 21. A scrap discharging port is arranged on the protective mesh enclosure 15 below the brush 21 and used for discharging sundries. When cleaning the filter screen 20, the filter screen 20 is contacted with the brush 21 only by pulling or pushing the filter screen 20 to move the filter screen 20 from the magnetic ring 19 in the middle to the magnetic ring 19 on the edge of the limit groove 18. And then the filter screen 20 is rotated through the operating rod 16, so that the adhered objects on the filter screen 20 can be cleaned simply and conveniently.

It should be noted that the fan blades in the generator body 1 of this example are located at an end away from the slip ring 2. When the generator body 1 works, the rotating shaft in the generator body drives the fan blades to rotate, and wind generated by the fan blades blows to one end of the collecting ring 2. The induced draft connector 6 introduces air, the air is blown out of the air spraying connector 8 through the induced draft pipe 7, the air is directly blown to the collecting rings 2, and dust generated when the collecting rings 2 rub the carbon brushes 4 is blown off. By the mode, the surface of the collecting ring 2 is kept clean all the time, the collecting ring 2 and the carbon brush 4 can be effectively protected, contact friction between the collecting ring 2 and the carbon brush 4 is more stable, and the service life of the collecting ring 2 and the carbon brush 4 is prolonged. In addition, the introduced wind also plays a role in cooling the collecting ring 2, and the working performance of the carbon brush 4 and the collecting ring 2 is further ensured. The dust blown off from the collecting ring 2 is discharged through the air outlet 9 below the protective sleeve 5, so that the secondary pollution of the dust to the collecting ring 2 is effectively avoided.

Preferably, the port of the induced draft joint 6 is arranged obliquely downwards, and the induced draft joint 6 is trumpet-shaped and used for introducing as much wind as possible. And a dust filtering net is arranged at the port of the induced air joint 6 and is used for filtering dust carried in air. The dust filter net of this embodiment also arranges downwards along with the port slope, does benefit to like this by debris, the dust that the dust filter net blockked down by the effect of wind by being blown down, can reduce the risk that the dust filter net is blocked.

Preferably, the thickness of the induced duct 7 gradually decreases from the induced duct joint 6 to one end of the air injection joint 8, so that the induced duct 7 plays a role of compressing air, and further, the air force blown out from the air injection joint 8 is larger.

Preferably, the air injection joint 8 is an arc-shaped joint, an air conveying cavity is arranged in the air injection joint 8, a plurality of air injection holes are formed in the tail end of the air injection joint 8, and the air injection holes are communicated with the air conveying cavity. Blow dirt to collecting ring 2 through a plurality of blast holes, can effectual improvement to collecting ring 2's clean effect.

Preferably, the bottom of the protective sleeve 5 is arranged obliquely, and the air outlet 9 end of the protective sleeve 5 is the lowest end. The arrangement can concentrate the dust toward the air outlet 9, and is beneficial to discharging the dust.

Preferably, two flanges 10 are arranged below the generator body 1, a guard plate 11 is arranged between the two flanges 10, and a plurality of ventilation grooves which are arranged in a staggered mode are formed in the guard plate 11. The guard plate 11 is used for blocking external sundries so as to reduce the sundries splashed into the generator body 1 and protect the generator.

Wherein, one side of the guard plate 11 is provided with a first mounting lug, and the first mounting lug is provided with a through hole corresponding to the flange hole of one flange 10. The other side of the guard plate is provided with a second mounting lug 12, the second mounting lug 12 is provided with a through hole corresponding to the flange hole of the other flange 10, a positioning groove is arranged below the second mounting lug 12, and the flange is inserted in the positioning groove. And a clamping groove 13 is formed in one side, away from the guard plate 11, of the flange, a buckle 14 is arranged at the tail end of the second mounting lug 12, and the buckle 14 is clamped in the clamping groove 13.

An end portion of the operation lever 16 located outside the protective mesh 15 is provided with an operation handle 17 to facilitate pulling or rotating the operation lever 16.

Offer along the peripheral inserting groove that expands of chip removal mouth on the outer wall of protection screen panel 15, fixed the inlaying has magnet piece 22 in the inserting groove, and the activity is pegged graft in the inserting groove has stopper head 23, realizes the shutoff of chip removal mouth, avoids generator during operation debris to enter into the generator inside from the chip removal mouth. The blocking head 23 is adsorbed on the magnet block 22, so that the installation of the blocking head 23 is realized, and the dismounting and the mounting of the blocking head 23 are convenient. A pull ring is arranged below the blocking head 23, so that the blocking head 23 can be conveniently detached.

The end of the plugging head 23 is fixedly provided with a rubber column 24, the rubber column 24 is inserted into the chip removal port, and the rubber column 24 penetrates through the chip removal port and extends into the protective mesh enclosure 15. One end of the rubber column 24 extending into the protective mesh enclosure 15 is provided with a rubber snap ring 25, and the end face of the rubber snap ring 25 is connected with the edge of the chip removal opening in a contact manner. The blocking head 23 is further positioned through the rubber clamping ring 25, so that the risk that the blocking head 23 falls off can be effectively reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.

Claims

1. A novel generator comprises a generator body (1) and a protective mesh enclosure (15), a collecting ring (2) is arranged in the generator body (1), a carbon brush mounting seat (3) is arranged above the collecting ring (2), a carbon brush (4) is movably inserted in the carbon brush mounting seat (3), it is characterized in that a protective sleeve (5) wrapping the carbon brush (4) and the current collecting ring (2) is arranged on the carbon brush mounting seat (3), an induced air joint (6) is arranged on one side of the carbon brush mounting seat (3), an induced air pipe (7) is arranged below the induced air joint (6), the induced draft tube (7) penetrates through the protective sleeve (5) and extends into the protective sleeve, one end of the induced draft tube (7) extending into the protective sleeve (5) is provided with an air spraying joint (8), an air outlet (9) is formed in one end, far away from the air spraying joint (8), of the bottom of the protective sleeve (5); a limiting groove (18) is formed in the inner wall of the protective net cover (15), three magnetic rings (19) are embedded in the limiting groove (18), a filter screen (20) is movably arranged in the limiting groove (18), and the filter screen (20) is adsorbed on one of the magnetic rings (19); an operating rod (16) is arranged at the center of one side of the filter screen (20), the operating rod (16) is movably inserted into the protective mesh enclosure (15), and the operating rod (16) penetrates through and extends to the outer side of the protective mesh enclosure (15); the protective net covers (15) on two sides of the filter screen (20) are respectively provided with a brush (21), and the protective net covers (15) below the brushes (21) are provided with chip removal ports;

an inserting groove which expands along the periphery of the chip removing opening is formed in the outer wall of the protective net cover (15), a magnet block (22) is fixedly embedded in the inserting groove, a blocking head (23) is movably inserted in the inserting groove, the blocking head (23) is adsorbed on the magnet block (22), and a pull ring is arranged below the blocking head (23);

the end part of the blocking head (23) is fixedly provided with a rubber column (24), the rubber column (24) is inserted into the chip removal port, and the rubber column (24) penetrates through the chip removal port and extends into the protective mesh cover (15); one end of the rubber column (24) extending into the protective net cover (15) is provided with a rubber snap ring (25), and the end face of the rubber snap ring (25) is connected with the edge of the chip removal port in a contact manner.

2. The novel generator according to claim 1, characterized in that the port of the air inducing joint (6) is arranged obliquely downwards, and a dust filter screen is arranged on the port of the air inducing joint (6).

3. The generator according to claim 1, characterized in that the thickness of the induced draft tube (7) gradually decreases from one end of the induced draft joint (6) to one end of the air injection joint (8).

4. The generator according to claim 1, wherein the air injection joint (8) is an arc-shaped joint, an air delivery cavity is arranged in the air injection joint (8), a plurality of air injection holes are formed at the end of the air injection joint (8), and the air injection holes are communicated with the air delivery cavity.

5. A new generator according to claim 1, characterized by the fact that the bottom of said protective sheath (5) is arranged inclined.

6. The novel generator according to claim 1, characterized in that two flanges (10) are arranged below the generator body (1), a guard plate (11) is arranged between the two flanges (10), and a plurality of ventilation slots which are arranged in a staggered manner are formed in the guard plate (11).

7. A new type of generator, according to claim 1, characterized by the fact that the end of said operating rod (16) outside the protective screen (15) is provided with an operating handle (17).