CN218467706U - Mute generator set - Google Patents
Mute generator set Download PDFInfo
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- CN218467706U CN218467706U CN202123400074.9U CN202123400074U CN218467706U CN 218467706 U CN218467706 U CN 218467706U CN 202123400074 U CN202123400074 U CN 202123400074U CN 218467706 U CN218467706 U CN 218467706U
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Abstract
The utility model discloses a silent generator set, which comprises a generator shell, a generator box body, a silencer and a circuit board, wherein the left end of the generator box body is provided with a silencer cover, and the left side of the silencer cover is provided with an air outlet; an air-draft cavity is formed in the generator box body, an air-draft impeller is arranged in the air-draft cavity, the air-draft impeller is installed at one end of a crankshaft of the generator set, and an airflow outlet of the air-draft cavity is communicated with a heat-dissipation cavity of the muffler cover; the circuit board is arranged at the top of the generator box body and is positioned in the generator shell, the heat dissipation flow channel is arranged between the circuit board and the generator box body, the right end of the generator shell is provided with an air inlet, the air inlet of the heat dissipation flow channel is communicated with the air inlet, and the air outlet of the heat dissipation flow channel is communicated with the air flow inlet of the ventilation cavity. The utility model discloses can successively cool off circuit board and silencer through an impeller that induced drafts, the radiating effect is good for generating set's structure is compacter, more does benefit to generating set to the development of miniaturization direction.
Description
Technical Field
The utility model relates to a generator technical field especially relates to a silence generator unit.
Background
The generator is mechanical equipment for converting energy in other forms into electric energy, and the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life, for example: the system comprises a plurality of occasions such as field operation, emergency power utilization, disaster relief, outdoor life and travel, a yacht and vehicle self-contained power supply, a mobile communication base station and the like. In order to achieve the mute effect, the mute generator is additionally provided with a shell on the basis of the open-frame engine. The mute generator mainly comprises a generator shell, a generator box body, an engine, a generator, a circuit board, a silencer and other auxiliary devices, wherein the engine converts chemical energy of fuel into mechanical energy, and the generator converts the mechanical energy into electric energy.
The heat dissipation channel of the circuit board of the existing silent generator set and the heat dissipation channel of the silencer are separated, and the two are cooled by different heat dissipation fans respectively, so that the size of the generator set is large, and the development of the generator set to the miniaturization direction is not facilitated.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a silence generator unit can successively cool off circuit board and silencer through an impeller that induced drafts, and the radiating effect is good for generator unit's structure is compacter, more does benefit to generating set and develops to miniaturized direction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a silent generator set, which comprises a generator shell, a generator box body, a silencer and a circuit board, wherein the generator box body is arranged in the generator shell, a silencer cover is arranged at the left end of the generator box body, an air outlet is formed in the left side of the silencer cover, a heat dissipation cavity is arranged in the silencer cover, and the silencer is arranged in the heat dissipation cavity;
an air-breathing cavity is formed in the generator box body, an air-suction impeller is arranged in the air-breathing cavity, the air-suction impeller is arranged at one end of a crankshaft of the generator set, and an airflow outlet of the air-breathing cavity is communicated with a heat dissipation cavity of the muffler cover;
the circuit board is arranged at the top of the generator box body and is positioned in the generator shell, a heat dissipation flow channel is arranged between the circuit board and the generator box body, an air inlet is formed in the right end of the generator shell, the air inlet of the heat dissipation flow channel is communicated with the air inlet, and the air outlet of the heat dissipation flow channel is communicated with the air inlet of the ventilation cavity.
Preferably, a heat collecting cover is arranged between the circuit board and the generator box body, and the heat radiating flow passage is formed between the bottom surface of the circuit board and the top surface of the heat collecting cover.
Preferably, the air inlet of the heat dissipation flow channel is arranged at the end part of one end of the circuit board, and the air outlet of the heat dissipation flow channel is arranged at the bottom part of one end of the circuit board, which is far away from the air inlet.
Preferably, the impeller that induced drafts is centrifugal impeller, the impeller that induced drafts includes disk body and polylith blade, polylith blade be radial even interval set up in one side of disk body.
Preferably, the center of the disk body is provided with a mounting through hole for the end of the crankshaft to pass through, and a plurality of fixing holes and a plurality of positioning pins are uniformly distributed circumferentially and arranged between the mounting through hole and the blade.
Preferably, a partition plate is arranged in the ventilation cavity, the outer edge of the partition plate is fixedly connected with the inner wall of the generator box body, the ventilation cavity is partitioned into an air suction cavity and a ventilation flow channel by the partition plate, the air suction impeller is arranged in the air suction cavity, and one side, provided with the blades, of the air suction impeller faces the partition plate; the baffle plate is provided with an air vent corresponding to the middle part of the air suction impeller, the air vent communicates the air suction cavity with the air ventilation flow channel, an air flow inlet of the air ventilation flow channel is communicated with an air outlet of the heat dissipation flow channel, and an air flow outlet of the air suction cavity is communicated with the heat dissipation cavity of the muffler cover.
Preferably, the muffler cover comprises an inner muffler cover and an outer muffler cover which are connected with each other through bolts, the inner muffler cover is connected with the generator box body, air inlets which are used for communicating the ventilation cavity with the heat dissipation cavity of the muffler cover are uniformly distributed on the inner muffler cover, and the air outlets are formed in the outer muffler cover.
Preferably, the air outlet is provided with a plurality of, just a plurality of air outlets are array distribution on the silencer dustcoat.
The utility model discloses following beneficial effect has:
the utility model discloses a set up circuit board and silencer in the air duct of an intercommunication air intake and air outlet to successively cool off circuit board and silencer by bent axle driven impeller that induced drafts through one in the air duct, when guaranteeing the radiating effect, make generating set's structure compacter, more do benefit to generating set and develop to miniaturized direction.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic perspective view of a silent generator set according to a preferred embodiment of the present invention;
fig. 2 is a schematic cross-sectional structural view of a silent generator set in a preferred embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural view of a suction impeller according to a preferred embodiment of the present disclosure;
fig. 5 is a schematic diagram of the cooperation between the suction impeller and the crankshaft in the preferred embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings 2, which are for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-5, the utility model provides a silent generator set, this generating set includes generator housing 1, generator box 2, silencer 3, circuit board 4, silencer cover 5 and the impeller 6 that induced drafts.
The utility model discloses a silence generator unit is as follows to circuit board 4 and silencer 3's cooling principle:
when the generator set works, the crankshaft 11 rotates to drive the air suction impeller 6 to rotate, under the action of suction force of the air suction impeller 6, external air of the generator set enters from the air inlet 9 on the right side of the generator shell 1, the circuit board 4 is cooled through the heat dissipation flow channel 8, heat generated in the working process of the circuit board 4 is taken away, then the external air enters the ventilation cavity 21 from the air outlet of the heat dissipation flow channel 8, the external air is pressurized and accelerated through the air suction impeller 6 in the ventilation cavity 21 and then blown into the heat dissipation cavity 50 of the muffler cover 5, the muffler 3 in the heat dissipation cavity 50 is continuously cooled, heat generated in the working process of the muffler 3 is taken away, and finally the external air is discharged out of the generator set through the air outlet 7 on the left side of the muffler cover 5. The direction of flow of the air flow inside the generator set, which cools the circuit board 4 and the muffler 3, is indicated by the open arrows in fig. 2 and 3. The utility model discloses an impeller 6 that induced drafts successively cools off circuit board 4 and silencer 3, when guaranteeing the radiating effect for generating set's structure is compacter, accords with miniaturized development trend more.
Specifically, in the present embodiment, a controller for controlling the generator set and an inverter for converting direct current generated by the generator set into alternating current may be disposed on the circuit board 4.
In one embodiment, as shown in fig. 2, a heat collecting cover 10 is disposed between the circuit board 4 and the generator housing 2, and a heat dissipation flow channel 8 is formed between the bottom surface of the circuit board 4 and the top surface of the heat collecting cover 10. The heat collecting cover 10 is beneficial to better concentrating the heat generated by the circuit board 4, so that when the external air passes through the heat dissipation flow channel 8 formed between the circuit board 4 and the heat collecting cover 10, the heat generated by the circuit board 4 is more quickly and effectively taken away, and the cooling effect on the circuit board 4 is improved.
In one embodiment, as shown in fig. 2, the air inlet of the heat dissipation flow channel 8 is disposed at an end of one end of the circuit board 4, and the air outlet of the heat dissipation flow channel 8 is disposed at a bottom of the end of the circuit board 4 far away from the air inlet. Thus, the air passing through the heat dissipation flow channel 8 can flow from one end of the circuit board 4 to the other end, so that the heat exchange is carried out with the whole circuit board 4, the uneven heat dissipation of the circuit board 4 is avoided, and the cooling effect of the circuit board 4 is further improved.
In one embodiment, as shown in fig. 4 and 5, the suction impeller 6 is a centrifugal impeller, the suction impeller 6 includes a disk body 61 and a plurality of blades 62, and the plurality of blades 62 are radially and uniformly arranged on one side of the disk body 61 at intervals. Air enters from the axial direction of the air suction impeller 6, is discharged along the radial direction of the air suction impeller 6 under the centrifugal force of the air suction impeller 6 and the flow guiding effect of the blades 62, works by utilizing the centrifugal force, and effectively improves the pressure of the air discharged by the air suction impeller 6, thereby improving the air exchange speed and further improving the cooling effect of the circuit board 4 at the air inlet side and the silencer 3 at the air outlet side of the air suction impeller 6.
In one embodiment, as shown in fig. 4 and 5, a mounting through hole 63 is formed in the center of the disc body 61 for the end of the crankshaft 11 to pass through, and a plurality of circumferentially uniformly distributed fixing holes 64 and a plurality of circumferentially distributed positioning pins 65 are formed between the mounting through hole 63 and the blade 62. When will induced draft impeller 6 and install to bent axle 11 on, at first will induced draft impeller 6 cover on bent axle 11 through installation through-hole 63, it is preliminary spacing to induced draft impeller 6, make bent axle 11 with induced draft impeller 6 concentric, then rotate induced draft impeller 6, fix a position the installation angle of induced draft impeller 6 through locating pin 65, thereby make each fixed orifices 64 on the impeller 6 that induced drafts adjust well with the bolt hole on bent axle 11, the rethread bolt passes fixed orifices 64 and will induced draft impeller 6 installation and fix the tip at bent axle 11. The air suction impeller 6 is simple in structure and convenient to install. Specifically, in the present embodiment, the matching relationship between the suction impeller 6 and the crankshaft 11 is as shown in fig. 5.
In one embodiment, as shown in fig. 2 and 3, a partition plate 12 is disposed in the air cavity 21, an outer edge of the partition plate 12 is fixedly connected with an inner wall of the generator housing 2, the partition plate 12 partitions the air cavity 21 into an air suction cavity 211 and an air suction flow channel 212, the air suction impeller 6 is mounted in the air suction cavity 211, and a side of the air suction impeller 6 provided with the blade 62 faces the partition plate 12; the position of the middle part of the baffle plate 12 corresponding to the air suction impeller 6 is provided with an air vent which communicates the air suction cavity 211 with the air ventilation flow channel 212, the air flow inlet of the air ventilation flow channel 212 is communicated with the air outlet of the heat dissipation flow channel 8, and the air flow outlet of the air suction cavity 211 is communicated with the heat dissipation cavity 50 of the muffler cover 5. The setting of baffle 12 on the one hand is convenient for form the runner 212 of ventilating better, leads to the flow direction of cooling air, and on the other hand is convenient for get into the central zone of impeller 6 that induced drafts by the axial through the air vent on baffle 12 from the heat dissipation runner 8 exhaust wind more evenly, and then makes the impeller 6 periphery that induced drafts more evenly along the radial exhaust wind, thereby is convenient for carry out even cooling to the silencer 3 of the side of exhausting of impeller 6 that induced drafts.
In one embodiment, as shown in fig. 2, the muffler cover 5 includes a muffler outer cover 51 and a muffler outer cover 52 which are connected to each other by bolts, the muffler outer cover 51 is connected to the generator housing 2, air inlets for communicating the air cavity 21 with the heat dissipation cavity 50 of the muffler cover 5 are uniformly distributed on the muffler outer cover 51, and the air outlets 7 are disposed on the muffler outer cover 52. The silencer cover 5 can effectively ensure the silencer 3 to radiate heat evenly, and the air inlet holes evenly distributed on the silencer outer cover 51 are beneficial to evenly inlet air at the air inlet side of the silencer cover 5, thereby ensuring even cooling of the silencer 3. The muffler cover 51 and the muffler cover 52 are bolted to facilitate maintenance of the muffler 3.
In one embodiment, as shown in fig. 1, the air outlet 7 is provided in a plurality, and the plurality of air outlets 7 are distributed on the muffler outer cover 52 in an array. The arrangement ensures uniform air outlet, and further ensures uniform cooling of the silencer 3.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. A silent generator set comprises a generator shell, a generator box body, a silencer and a circuit board, wherein the generator box body is arranged in the generator shell;
an air-breathing cavity is formed in the generator box body, an air-suction impeller is arranged in the air-breathing cavity, the air-suction impeller is arranged at one end of a crankshaft of the generator set, and an airflow outlet of the air-breathing cavity is communicated with a heat dissipation cavity of the muffler cover;
the circuit board is arranged at the top of the generator box body and is positioned in the generator shell, a heat dissipation flow channel is arranged between the circuit board and the generator box body, an air inlet is formed in the right end of the generator shell, the air inlet of the heat dissipation flow channel is communicated with the air inlet, and the air outlet of the heat dissipation flow channel is communicated with the air inlet of the ventilation cavity.
2. The silent generator set of claim 1, wherein a heat collecting cover is arranged between the circuit board and the generator box body, and the heat dissipation flow channel is formed between the bottom surface of the circuit board and the top surface of the heat collecting cover.
3. The silent generator set of claim 2, wherein the air inlet of the heat dissipation flow channel is disposed at an end of one end of the circuit board, and the air outlet of the heat dissipation flow channel is disposed at a bottom of the circuit board at an end far from the air inlet.
4. The silent generator set of claim 1, wherein the suction impeller is a centrifugal impeller, and the suction impeller comprises a disk body and a plurality of blades, and the plurality of blades are radially and uniformly arranged on one side of the disk body at intervals.
5. The silent generator set according to claim 4, wherein a mounting through hole for the end of the crankshaft to pass through is formed in the center of the disk body, and a plurality of circumferentially uniformly distributed fixing holes and a plurality of circumferentially distributed positioning pins are formed between the mounting through hole and the blades.
6. The silent generator set according to claim 4, wherein a partition plate is disposed in the ventilation cavity, an outer edge of the partition plate is fixedly connected to an inner wall of the generator housing, the partition plate partitions the ventilation cavity into an air suction cavity and a ventilation flow passage, the air suction impeller is mounted in the air suction cavity, and a side of the air suction impeller, on which the blades are disposed, faces the partition plate; the baffle plate is provided with an air vent corresponding to the middle part of the air suction impeller, the air vent communicates the air suction cavity with the air ventilation flow channel, an air flow inlet of the air ventilation flow channel is communicated with an air outlet of the heat dissipation flow channel, and an air flow outlet of the air suction cavity is communicated with the heat dissipation cavity of the muffler cover.
7. The silent generator set according to any one of claims 1 to 6, wherein the silencer cover comprises an inner silencer cover and an outer silencer cover which are connected with each other through bolts, the inner silencer cover is connected with the generator box body, air inlets for communicating the ventilation cavity with the heat dissipation cavity of the silencer cover are uniformly distributed on the inner silencer cover, and the air outlets are arranged on the outer silencer cover.
8. The silent generator set of claim 7, wherein the air outlet is provided in plurality, and the air outlets are distributed on the silencer outer cover in an array manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400074.9U CN218467706U (en) | 2021-12-30 | 2021-12-30 | Mute generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400074.9U CN218467706U (en) | 2021-12-30 | 2021-12-30 | Mute generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467706U true CN218467706U (en) | 2023-02-10 |
Family
ID=85134873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123400074.9U Active CN218467706U (en) | 2021-12-30 | 2021-12-30 | Mute generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467706U (en) |
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2021
- 2021-12-30 CN CN202123400074.9U patent/CN218467706U/en active Active
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