CN213279419U - Generator rear cover and generator set thereof - Google Patents
Generator rear cover and generator set thereof Download PDFInfo
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- CN213279419U CN213279419U CN202021655707.3U CN202021655707U CN213279419U CN 213279419 U CN213279419 U CN 213279419U CN 202021655707 U CN202021655707 U CN 202021655707U CN 213279419 U CN213279419 U CN 213279419U
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Abstract
The utility model provides a generator rear cover and generating set thereof, including the rear cover casing, the cavity has been seted up to the inside of rear cover casing, generator matching hole has been seted up in the front of rear cover casing, locking hole has been seted up at the back of rear cover casing, the air intake has been seted up to the downside of rear cover casing, the electric wire hole has been seted up at the top of rear cover casing, air intake, generator matching hole, locking hole and electric wire hole all with the cavity intercommunication. The utility model has the advantages that: the air inlet of the rear cover of the generator is moved to the bottom from the rear part, and the rear part of the rear cover of the generator is isolated from the heat exhausting fan, so that the influence of the heat exhausting fan on the air inlet of the generator is blocked, and the air inlet interference of the heat exhausting fan on the generator is eliminated. The air inlet of the rear cover of the generator is communicated with the outside of the silent generator set, so that the air inlet of the generator is external natural air with the temperature lower than that of air in the cavity, the air inlet quality of the generator is improved, and the cooling efficiency of the motor is effectively improved.
Description
Technical Field
The utility model relates to a generating set technical field specifically relates to a generator rear cover and generating set thereof.
Background
At present, a diesel double-cylinder mute generator set adopts a common generator rear cover and is universal with a generator rear cover of a diesel open frame unit. With reference to fig. 1 and fig. 2, however, in the environment of a mute unit with a closed inner cavity, when a common generator rear cover is used, the unit performance is not improved, and negative effects are easily caused. The air inlet 13 of the back cover of the common generator is arranged between the shell 1 of the back cover of the generator and the heat exhausting fan 5, and the air inlet direction of the heat exhausting fan 5 is opposite to the air inlet direction of the generator, so that the air inlet volume of the generator is reduced, and the cooling efficiency is reduced. Meanwhile, the air inlet of the rear cover of the motor is positioned in the cavity of the silent generator set, the temperature in the cavity is high, the temperature of the motor is increased after air is fed, the temperature of the inner cavity of the generator is further increased, and a vicious circle is formed to reduce the performance of the whole generator set.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a generator rear cover and generating set thereof, makes the generator not receive the influence of the exhaust fan who is located the rear to can inhale outside cold air, improve generator cooling effect.
The utility model discloses a realize like this:
the utility model provides a generator rear cover, includes the rear cover casing, the cavity has been seted up to the inside of rear cover casing, generator matching hole has been seted up in the front of rear cover casing, locking hole has been seted up at the back of rear cover casing, the air intake has been seted up to the downside of rear cover casing, the electric wire hole has been seted up at the top of rear cover casing, air intake, generator matching hole, locking hole and electric wire hole all with the cavity intercommunication.
Furthermore, the back of the rear cover shell is also provided with rotor supporting holes, and the two locking holes are respectively positioned on two sides of the rotor supporting holes.
Furthermore, the top of the rear cover shell is arc-shaped.
A generator set comprises the generator rear cover, and further comprises a shell, an engine, a generator, a heat exhausting fan and screws, wherein a first cold air hole is formed in the front side face of the shell, a second cold air hole is formed in the lower side face of the shell, a heat radiating hole is formed in the rear side face of the shell, and the engine, the generator and the heat exhausting fan are fixedly arranged in the shell;
the engine is close to first cold wind hole, the engine with the generator transmission is connected, the rear end of generator stretches into generator matching hole, the screw passes the locking hole will the generator rear cover with generator fixed connection, the air intake with second cold wind hole intercommunication, the back orientation of generator rear cover the heat exhausting fan, the heat exhausting fan is close to the louvre.
Further, the engine is a diesel twin cylinder engine.
Further, still include the silencer, the silencer sets firmly in the inside of shell.
The utility model has the advantages that: the air inlet of the rear cover of the generator is moved to the bottom from the rear part, and the rear part of the rear cover of the generator is isolated from the heat exhausting fan, so that the influence of the heat exhausting fan on the air inlet of the generator is blocked, and the air inlet interference of the heat exhausting fan on the generator is eliminated. The air inlet of the rear cover of the generator is communicated with the outside of the silent generator set, so that the air inlet of the generator is external natural air with the temperature lower than that of air in the cavity, the air inlet quality of the generator is improved, the cooling efficiency of the motor is effectively improved, and the performance of the generator set is also improved.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a conventional generator rear cover.
Fig. 2 is a schematic view of the wind direction of a conventional generator set.
Fig. 3 is a schematic structural diagram of the generator rear cover of the present invention.
Fig. 4 is a schematic view of the wind direction of the generator set of the present invention.
Reference numerals: a rear cover housing 1; a generator matching hole 11; a locking hole 12; an air inlet 13; wire holes 14; a rotor support hole 15; a housing 2; the first cold air hole 21; the second cold air hole 22; heat dissipation holes 23; an engine 3; a generator 4; a heat exhausting fan 5; a muffler 6; cold air 7; hot air 8.
Detailed Description
The embodiment of the utility model provides a through providing a generator rear cover and generating set thereof, solved among the prior art exhaust fan air inlet direction and motor air inlet opposite direction, lead to the technical problem that the generator intake reduces, realized improving generator air inlet quality, improve the technological effect of cooling effect.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: the lower side surface of the generator rear cover shell is provided with an air inlet, the front surface of the generator rear cover shell is provided with a generator matching hole, the back surface of the generator rear cover shell faces the heat exhausting fan, and outside cold air enters the generator from the air inlet.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 4, the present invention discloses a preferred embodiment of a generator rear cover and a generator set thereof.
The utility model discloses a generator rear cover, including rear cover casing 1, the inside of rear cover casing 1 has seted up the cavity, the front of rear cover casing 1 has seted up generator matching hole 11, generator matching hole 11 is used for the rear end butt joint with generator 4; the back of the rear cover shell 1 is provided with a locking hole 12, and the rear cover shell 1 is fixedly connected with the generator 4 by adopting a bolt to penetrate through the locking hole 12; an air inlet 13 is formed in the lower side surface of the rear cover shell 1, and outside cold air enters the generator 4 through the air inlet 13; the top of the rear cover shell 1 is provided with a wire hole 14, the electric quantity generated by the generator 4 is output by a power transmission line, and the power transmission line is arranged in the wire hole 14; the air inlet 13, the generator matching hole 11, the locking hole 12 and the wire hole 14 are communicated with the cavity.
The back of the rear cover shell 1 is further provided with a rotor supporting hole 15, and the two locking holes 12 are respectively located on two sides of the rotor supporting hole 15. The rotor bearing of the generator 4 is mounted to the rotor support hole 15, and the rotor support hole 15 is covered with an end cover. The top of the rear cover shell 1 is arc-shaped; corresponding to the outer shape of the generator 4.
The generator set of the utility model comprises the generator rear cover, and further comprises a shell 2, an engine 3, a generator 4, a heat exhausting fan 5 and screws, wherein a first cold air hole 21 is formed in the front side surface of the shell 2, a second cold air hole 22 is formed in the lower side surface of the shell 2, a heat radiating hole 23 is formed in the rear side surface of the shell 2, and the engine 3, the generator 4 and the heat exhausting fan 5 are all fixedly arranged in the shell 2;
the engine 3 is close to the first cold air hole 21, the engine 3 is in transmission connection with the generator 4, and the engine 3 is a diesel double-cylinder engine; the engine 3 drives the generator 4 to generate electric power. The rear end of the generator 4 extends into the generator matching hole 11, the screw penetrates through the locking hole 12 to fixedly connect the generator rear cover with the generator 4, the air inlet 13 is communicated with the second cold air hole 22, and external cold air 7 flows into the air inlet 13 from the second cold air hole 22 at the bottom of the shell 2 and then flows into the generator 4 to cool the generator 4; the back surface of the generator rear cover faces the heat exhausting fan 5, and the heat exhausting fan 5 is close to the heat radiating hole 23; the generator 4 is thus not affected by the heat exhausting fan 5 located at the rear, and can suck in the outside cold air 7. Under the action of the heat exhausting fan 5, the external cold air 7 enters the shell 2 from the first cold air hole 21, passes through the engine 3 and then becomes hot air 8, and is exhausted from the heat radiating hole 23; and this hot air does not enter the inside of the generator 4. The flow direction of the cold air is shown by the hollow arrows in the figure; the flow direction of the hot air is shown by the solid arrows in the figure.
The silencer 6 is fixedly arranged inside the outer shell 2; play a role of silence.
The utility model discloses compare with ordinary generator rear cover, the malignant circulation problem of inner chamber steam that ordinary generator rear cover arouses has been solved to the generator rear cover, more is fit for the generator use in the silence unit environment, is showing the performance that promotes diesel oil double-cylinder silence generator set. The air inlet of the rear cover of the generator is moved to the bottom from the rear part, and the rear part of the rear cover of the generator is isolated from the heat exhausting fan, so that the influence of the heat exhausting fan on the air inlet of the generator is blocked, and the air inlet interference of the heat exhausting fan on the generator is eliminated. The air inlet of the rear cover of the generator is communicated with the outside of the silent generator set, so that the air inlet of the generator is external natural air with the temperature lower than that of air in the cavity, the air inlet quality of the generator is improved, the cooling efficiency of the motor is effectively improved, and the performance of the generator set is also improved.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides a generator rear cover, its characterized in that, includes back cover casing, the cavity has been seted up to back cover casing's inside, generator matching hole has been seted up in back cover casing's front, locking hole has been seted up at the back of back cover casing, the air intake has been seted up to back cover casing's downside, the electric wire hole has been seted up at back cover casing's top, air intake, generator matching hole, locking hole and electric wire hole all with the cavity intercommunication.
2. The generator rear cover according to claim 1, wherein a rotor supporting hole is further formed in the back surface of the rear cover housing, and the two locking holes are respectively located on two sides of the rotor supporting hole.
3. The generator back cover of claim 1, wherein the top of the back cover shell is rounded.
4. A generator set, characterized in that, it includes a generator back cover of any claim 1 to 3, also includes a shell, an engine, a generator, a heat exhausting fan and screws, the front side of the shell has a first cold air hole, the underside of the shell has a second cold air hole, the back side of the shell has a heat dissipating hole, the engine, the generator and the heat exhausting fan are all fixed in the shell;
the engine is close to first cold wind hole, the engine with the generator transmission is connected, the rear end of generator stretches into generator matching hole, the screw passes the locking hole will the generator rear cover with generator fixed connection, the air intake with second cold wind hole intercommunication, the back orientation of generator rear cover the heat exhausting fan, the heat exhausting fan is close to the louvre.
5. The generator set of claim 4, wherein the engine is a diesel twin cylinder engine.
6. The generator set of claim 4, further comprising a muffler secured to an interior of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021655707.3U CN213279419U (en) | 2020-08-11 | 2020-08-11 | Generator rear cover and generator set thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021655707.3U CN213279419U (en) | 2020-08-11 | 2020-08-11 | Generator rear cover and generator set thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213279419U true CN213279419U (en) | 2021-05-25 |
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ID=75970622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021655707.3U Active CN213279419U (en) | 2020-08-11 | 2020-08-11 | Generator rear cover and generator set thereof |
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| Country | Link |
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| CN (1) | CN213279419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803158A (en) * | 2021-09-03 | 2021-12-17 | 福建永强力加动力设备有限公司 | Novel generator set |
-
2020
- 2020-08-11 CN CN202021655707.3U patent/CN213279419U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113803158A (en) * | 2021-09-03 | 2021-12-17 | 福建永强力加动力设备有限公司 | Novel generator set |
| CN113803158B (en) * | 2021-09-03 | 2024-05-28 | 福建永强力加动力设备有限公司 | Generating set |
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