CN214836671U - Independent cooling air duct for sealed cavity of mute variable-frequency generator set - Google Patents
Independent cooling air duct for sealed cavity of mute variable-frequency generator set Download PDFInfo
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- CN214836671U CN214836671U CN202121390177.9U CN202121390177U CN214836671U CN 214836671 U CN214836671 U CN 214836671U CN 202121390177 U CN202121390177 U CN 202121390177U CN 214836671 U CN214836671 U CN 214836671U
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Abstract
The utility model discloses a silent frequency conversion generator set sealed cavity cooling independent air duct, which comprises a box body shell, wherein the box body shell wraps a generator set to form a sealed cavity, the generator set comprises a motor, a motor fan, a motor front cover, a motor rear cover and an air outlet cover plate, a shutter is arranged on the box body shell, the motor front cover and the motor rear cover are matched to wrap the motor and the motor fan to form a power chamber, an air inlet which is used for communicating the sealed cavity with the power chamber is arranged on the motor front cover, the motor rear cover and the air outlet cover plate form a sealed air exhaust channel at the side end of the power chamber, the power chamber is communicated with the air exhaust channel, the air exhaust channel is communicated with the outside, when the motor rotates, the motor fan sucks external cooling air through the shutter, the cooling air enters the sealing chamber to take away high temperature of the sealing chamber, enters the power chamber through the air inlet on the front cover of the motor and is finally discharged through the air exhaust channel. The utility model discloses can effectively reduce the temperature in the sealed chamber, guarantee generating set even running.
Description
Technical Field
The utility model relates to a generating set technical field, in particular to independent wind channel of silence variable frequency generator unit seal chamber cooling.
Background
The mute generator set is relative to an open-frame generator set, and the whole unit of an open-frame engine is exposed outside. The mute type engine is additionally provided with a shell on the basis of an open-frame engine, and the whole generator set is sealed except necessary air inlet and outlet, so that the generator set has the functions of sound insulation and rain prevention. The common mute generator set mainly comprises a closed case, a power box body, a motor, a silencer and the like. The engine in the power box body is connected with the motor, and the muffler is connected with the cylinder head in the power box body through the air inlet pipeline.
In order to ensure that the mute generator set can meet the corresponding decibel requirement, the whole generator set is almost sealed in the case, a sealing cavity is formed between the case and the generator set, the temperature in the sealing cavity is too high, the cooling effect of the generator set is not ideal, and the performance and the service life of the generator set are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned technical problem, innovated very much and proposed a silence variable frequency generator unit seals independent wind channel of cavity cooling, and this independent wind channel of cooling can effectively reduce the temperature in the sealed cavity, guarantees generating set even running.
In order to achieve the purpose, the utility model provides a silent frequency conversion generator set sealed cavity cooling independent air duct, which comprises a box body shell, wherein the box body shell wraps a generator set to form a sealed cavity, the generator set comprises a motor, a motor fan, a motor front cover, a motor rear cover and an air outlet cover plate, the box body shell is provided with a shutter which is used for communicating the outside with the sealed cavity, the motor front cover and the motor rear cover are matched to wrap the motor and the motor fan to form a power chamber, the motor front cover is provided with an air inlet which is used for communicating the sealed cavity with the power chamber, the motor front cover, the motor rear cover and the air outlet cover plate form a sealed air exhaust channel at the side end of the power chamber, the power chamber is communicated with the air exhaust channel, the air exhaust channel is communicated with the outside, when the motor rotates, the motor fan sucks external cooling air through the shutter, the cooling air enters the sealing chamber to take away the high temperature of the sealing chamber, enters the power chamber through the air inlet on the front cover of the motor and is finally discharged through the air exhaust channel.
In the scheme, the method comprises the following steps: the front end of the motor front cover is a mounting end face of the engine, the rear end of the motor front cover is a mounting face of the motor rear cover, the mounting end face of the engine is smaller than the mounting face of the motor rear cover, and air inlets are formed in the upper side and the lower side of the mounting face of the motor rear cover respectively. The design is ingenious, the front end of the front cover of the motor is not influenced and serves as the mounting end face of the engine, and the air inlet can be formed in the front cover of the motor to achieve communication between the sealed chamber and the power chamber.
In the scheme, the method comprises the following steps: the air inlets on the upper side and the lower side of the mounting surface of the motor rear cover are respectively two, and one air inlet is arranged on the left side and the other air inlet is arranged on the right side. The cooling air can flow into the power chamber from the sealed chamber at a relatively high wind speed, so that the air intake of the cooling air in the sealed chamber is effectively increased, and the cooling effect is improved.
In the scheme, the method comprises the following steps: the shutter is arranged at the bottom of the box body shell. The generator set can be prevented from being influenced by foreign objects falling into the case body shell.
The utility model has the advantages that: 1. the louver has a flow equalizing effect on cooling air; 2. cooling air enters the sealed cavity from the shutter, enters the power chamber through the air inlet and is finally discharged from the air exhaust channel, the whole air channel is short, the cooling air is quick to circulate, the temperature in the sealed cavity can be effectively reduced, and the stable operation of the generator set is ensured; 3. the front motor cover, the rear motor cover and the air outlet cover plate are directly matched to form an air exhaust channel, and the air exhaust channel does not need to be independently arranged, so that the material cost is favorably reduced.
Drawings
Fig. 1 is a longitudinal sectional view of the present invention.
Fig. 2 is a transverse sectional view of the present invention.
Fig. 3 is a schematic structural view of a motor front cover.
Fig. 4 is a schematic view of another angle of the front cover of the motor.
Detailed Description
As shown in fig. 1-4, the sealed chamber cooling independent air duct (the arrow in the figure is the flow direction of cooling air) for a silent frequency conversion generator set mainly comprises a box body shell 1 and a generator set, wherein the box body shell 1 wraps the generator set to form a sealed chamber 2. The generator set comprises a motor 3, a motor fan 4, a motor front cover 5, a motor rear cover 6 and an air outlet cover plate 7.
A shutter 8 for communicating the outside with the sealed chamber 2 is arranged on the box body shell 1, and the motor front cover 5 and the motor rear cover 6 are matched to wrap the motor 3 and the motor fan 4 to form a power chamber; the motor front cover 5 is provided with an air inlet 10 which is used for communicating the sealed chamber 2 with the power chamber. The motor front cover 5, the motor rear cover 6 and the air outlet cover plate 7 form a sealed air exhaust channel 9 at the side end of the power chamber, the power chamber is communicated with the air exhaust channel 9, and the air exhaust channel 9 is communicated with the outside.
When the motor 3 rotates, the motor fan 4 sucks external cooling air through the shutter 8, the cooling air enters the sealed chamber 2 to take away high temperature of the sealed chamber 2, enters the power chamber through the air inlet 10 on the motor front cover 5 and is finally discharged through the air exhaust channel 9.
Preferably, the front end of the motor front cover 5 is a mounting end surface of the engine 11, the rear end of the motor front cover 5 is a mounting surface of the motor rear cover 6, the mounting end surface of the engine 11 is smaller than the mounting surface of the motor rear cover 6, and the upper side and the lower side of the mounting surface of the motor rear cover 6 are respectively provided with the air inlet 10. The design is ingenious, the front end of the motor front cover 5 is not influenced to serve as the mounting end face of the engine 11, and the air inlet 10 can be formed in the motor front cover 5 to achieve communication between the sealed cavity 2 and the power chamber.
Preferably, the two air inlets 10 are respectively arranged at the upper side and the lower side of the mounting surface of the motor rear cover 6, and the two air inlets 10 are arranged at the left side and the right side. The cooling air can flow into the power chamber from the sealed chamber 2 at a relatively rapid air speed, so that the air intake of the cooling air in the sealed chamber 2 is effectively increased, and the cooling effect is improved.
Preferably, the louver 8 is provided at the bottom of the cabinet housing 1. Foreign objects can be prevented from falling into the box body shell 1 to influence the work of the generator set.
Claims (4)
1. The utility model provides a silence frequency conversion generating set sealed cavity cooling independent wind channel, includes box shell (1), box shell (1) forms sealed cavity (2) with generating set parcel, generating set includes motor (3), motor fan (4), motor front shroud (5), motor rear housing (6) and goes out gas cover plate (7), its characterized in that: the box body shell (1) is provided with a shutter (8) which is used for communicating the outside with the sealed chamber (2), the motor front cover (5) and the motor rear cover (6) are matched to wrap the motor (3) and the motor fan (4) to form a power chamber, the motor front cover (5) is provided with an air inlet (10) which is used for communicating the sealed chamber (2) with the power chamber, the motor front cover (5), the motor rear cover (6) and the air outlet cover plate (7) form a sealed air exhaust channel (9) at the side end of the power chamber, the power chamber is communicated with the air exhaust channel (9), the air exhaust channel (9) is communicated with the outside, when the motor (3) rotates, the motor fan (4) sucks external cooling air through the shutter (8), the cooling air enters the sealed chamber (2) to take away high temperature of the sealed chamber (2), and enters the power chamber through the air inlet (10) on the motor front cover (5), finally discharged from the air discharge channel (9).
2. The independent cooling air duct for the sealed chamber of the silent frequency conversion generator set according to claim 1, characterized in that: the front end of the motor front cover (5) is an installation end face of the motor (11), the rear end of the motor front cover (5) is an installation face of the motor rear cover (6), the installation end face of the motor (11) is smaller than the installation face of the motor rear cover (6), and air inlets (10) are formed in the upper side and the lower side of the installation face of the motor rear cover (6) respectively.
3. The independent cooling air duct for the sealed chamber of the silent frequency conversion generator set according to claim 2, characterized in that: the motor rear cover (6) is provided with two air inlets (10) on the upper side and the lower side of the mounting surface, and the two air inlets (10) are arranged on the left side and the right side.
4. The independent cooling air duct for the sealed chamber of the silent frequency conversion generator set according to claim 1, characterized in that: the shutter (8) is arranged at the bottom of the box body shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390177.9U CN214836671U (en) | 2021-06-22 | 2021-06-22 | Independent cooling air duct for sealed cavity of mute variable-frequency generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390177.9U CN214836671U (en) | 2021-06-22 | 2021-06-22 | Independent cooling air duct for sealed cavity of mute variable-frequency generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836671U true CN214836671U (en) | 2021-11-23 |
Family
ID=78809080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121390177.9U Active CN214836671U (en) | 2021-06-22 | 2021-06-22 | Independent cooling air duct for sealed cavity of mute variable-frequency generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214836671U (en) |
-
2021
- 2021-06-22 CN CN202121390177.9U patent/CN214836671U/en active Active
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