CN204046355U - Variable-frequency power generation unit cooling system - Google Patents
Variable-frequency power generation unit cooling system Download PDFInfo
- Publication number
- CN204046355U CN204046355U CN201420380845.3U CN201420380845U CN204046355U CN 204046355 U CN204046355 U CN 204046355U CN 201420380845 U CN201420380845 U CN 201420380845U CN 204046355 U CN204046355 U CN 204046355U
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- China
- Prior art keywords
- wind scooper
- installation cavity
- muffler
- air inlet
- cylinder head
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Abstract
The utility model discloses a kind of variable-frequency power generation unit cooling system, comprise engine wind scooper, cylinder head wind scooper and muffler outer hood, described engine wind scooper is built with fan, the air outlet of described engine wind scooper is communicated with the air inlet of cylinder head wind scooper, air outlet place near cylinder head wind scooper on described muffler outer hood is provided with air inlet, described muffler outer hood is also provided with air outlet, it is characterized in that: be connected with muffler wind scooper between the air outlet of described cylinder head wind scooper and the air inlet of muffler outer hood, described muffler wind scooper is tubular.Adopt technique scheme, muffler wind scooper is connected between cylinder head wind scooper and the air inlet of muffler outer hood, like this, make cylinder head wind scooper air outlet wind out under the effect of muffler wind scooper, all enter in muffler outer hood and muffler is cooled, again from the air outlet of the front shroud of muffler outer hood out, like this, the cooling effect of muffler becomes better.
Description
Technical field
The utility model relates to a kind of cooling system of variable-frequency power generation unit.
Background technology
At present, the cooling system of variable-frequency power generation unit comprises engine wind scooper (1), pulling plate assembly, cylinder head wind scooper (3) and muffler outer hood, the pulling plate assembly that described pulling plate assembly comprises pulling plate cover (2) and is contained in pulling plate cover (2), described pulling plate cover (2) covers on the air inlet of engine wind scooper (1), described engine wind scooper (1) is built with fan (5), the air outlet of described engine wind scooper (1) is connected with the air inlet of cylinder head wind scooper (3), described muffler outer hood comprises the front shroud (4a) and back cover (4b) that snap together, the front panel of described front shroud (4a) is provided with air outlet, the position of described back cover (4b) corresponding cylinder head wind scooper (3) air outlet is provided with air inlet, the air inlet of described back cover (4b) is positioned at the front of cylinder head wind scooper (3), such cooling air is under the effect of fan, enter engine wind scooper, then a road cools cylinder head, enter in muffler outer hood from cylinder head wind part out and muffler is cooled, but major part has directly just blown away from cylinder head wind out, do not enter in muffler, cause the cooling effect of muffler poor like this.
Variable-frequency power generation unit comprises inverter, engine, engine wind scooper, hand starting pulling plate assembly etc., hand starting pulling plate assembly comprises pulling plate cover and is contained in the pulling plate assembly (comprising stay cord, starting handle, spring, pulling plate etc.) in pulling plate cover, the sidewall of described pulling plate cover and bottom surface are equipped with air inlet, described hand starting pulling plate cover covers on the air inlet of engine wind scooper, and engine wind scooper is built with fan.Inverter comprises inverter cover and inverter electronic unit, described inverter electronic unit is contained in inverter cover, described inverter cover is lifted in the frame in the front of pulling plate cover by ordinary circumstance, and there is distance (also have be contained in other places) between pulling plate cover, with under the effect being desirably in the fan in engine wind scooper, air flow energy is allowed to pass through inverter, inverter is cooled, but because have distance between inverter cover and pulling plate cover, air-flow major part enters engine wind scooper by the gap between them, in actual use, poor to the cooling effect of inverter.In addition, at present, inverter cover and pulling plate cover are provided separately, parts are many, and manufacturing cost is high, and the length of unit is large, and structure is not compact.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of and makes the cooling effect of muffler better variable-frequency power generation unit cooling system.
To achieve these goals, the technical solution of the utility model is as follows: a kind of variable-frequency power generation unit cooling system, comprise engine wind scooper (1), cylinder head wind scooper (3) and muffler outer hood, described engine wind scooper (1) is built with fan (5), the air outlet of described engine wind scooper (1) is communicated with the air inlet of cylinder head wind scooper (3), air outlet place near cylinder head wind scooper (3) on described muffler outer hood is provided with air inlet, described muffler outer hood is also provided with air outlet, it is characterized in that: between the air outlet of described cylinder head wind scooper (3) and the air inlet of muffler outer hood, be connected with muffler wind scooper (6), described muffler wind scooper (6) is in tubular.
Adopt technique scheme, muffler wind scooper is connected between cylinder head wind scooper and the air inlet of muffler outer hood, like this, make cylinder head wind scooper air outlet wind out under the effect of muffler wind scooper, all enter in muffler outer hood and muffler is cooled, again from the air outlet of the front shroud of muffler outer hood out, like this, the cooling effect of muffler becomes better.
In technique scheme, conveniently install: described muffler wind scooper (6) is made up of left wind scooper (6a) and right wind scooper (6b), described left wind scooper (6a) is bolted into tubular with after right wind scooper (6b) docking.
In technique scheme, when adopting electricity to start, namely hand starting pulling plate is not needed: on the air inlet of engine wind scooper (1), be provided with inverter base (2), described inverter base (2) is provided with the ventilation hole communicated with the air inlet of engine wind scooper (1), and described inverter base (2) is built with the electronic unit (8) of inverter.There is following benefit: 1, under the effect of engine wind scooper internal fan, air-flow enters in engine wind scooper by the ventilation hole of inverter base, be equivalent to the wind entered in engine wind scooper first all cool the electronic unit of inverter by force, make the cooling effect of inverter better.2, shorten the length of unit, make the more compact structure of unit.3, when not increasing parts, make the good cooling results of inverter, improvement cost is low.
In technique scheme: when adopting hand starting pulling plate, the front and back of described inverter base (2) is respectively equipped with front installation cavity (2-2) and rear installation cavity (2-1), the accent of described rear installation cavity (2-1) and front installation cavity (2-2) is respectively equipped with ring flange (2-7), ring flange (2-7) on described rear installation cavity (2-1) is bolted on the air inlet of engine wind scooper (1), the sidewall of described rear installation cavity (2-1) is provided with the ventilation hole communicated with the air inlet of engine wind scooper (1) and the stay cord hole (2-4) of stretching out for stay cord, the center of the inner bottom surface of described rear installation cavity (2-1) is provided with installation shaft (2-6), described electronic unit (8) is arranged in front installation cavity (2-2), pulling plate assembly (7) is positioned at rear installation cavity (2-1), and described pulling plate assembly (7) is arranged in installation shaft (2-6).Like this pulling plate assembly is contained in the installation shaft in pulling plate cover, existing pulling plate cover and inverter cover is become one, saves material, decrease manufacturing cost, and make the good cooling results of inverter.
In technique scheme: the sidewall of the relative both sides of described rear installation cavity (2-1) is symmetrically distributed with shutter (2-3), each louver board of the corresponding shutter (2-3) of inner bottom surface of described rear installation cavity (2-1) is provided with a radiating ribs (2-5), and the two ends of described radiating ribs (2-5) are connected with the inner of the louvered top edge of the shutter (2-3) of opposite side respectively.Shutter and radiating ribs are set.Enter the air-flow in pulling plate cover from shutter to be cooled inverter electronic unit by the air channel between the radiating ribs of bottom surface, cooling effectiveness is high.
In technique scheme: the degree of depth of described rear installation cavity (2-1) is greater than the degree of depth of front installation cavity (2-2).Be convenient to like this electronic unit and pulling plate assembly are installed.
In technique scheme: the inner bottom surface of described front installation cavity (2-2) is distributed with erection column (2-8).
In technique scheme: also comprise inverter cover (9), described inverter cover (9) is arranged on the ring flange (2-7) of front installation cavity (2-2) by bolt.
In technique scheme: described muffler outer hood comprises the front shroud (4a) and back cover (4b) that snap together, the front panel of described front shroud (4a) is provided with air outlet, the position of described back cover (4b) corresponding cylinder head wind scooper (3) air outlet is provided with air inlet, and the air inlet of described back cover (4b) is positioned at the front of cylinder head wind scooper (3).Such cooling air enters from back cover, goes out from front shroud, makes the time of staying of cooling air in muffler outer hood long, good cooling results.
Beneficial effect: 1, the utility model connects muffler wind scooper between cylinder head wind scooper and the air inlet of muffler outer hood, make all to enter in muffler outer hood from cylinder head wind scooper wind out to cool muffler, the cooling effect of muffler is improved.
2, by inverter floor installation on the air inlet of engine wind scooper, under the effect of engine wind scooper internal fan, air-flow enters in engine wind scooper by the ventilation hole of inverter base, be equivalent to the wind entered in engine wind scooper first all cool the electronic unit of inverter by force, make the good cooling results of inverter.
3, shorten the length of unit, make the more compact structure of unit.
4, when not increasing parts, make the good cooling results of inverter, improvement cost is low.
5, existing pulling plate cover and inverter cover are integrated into inverter base, save material, decrease manufacturing cost, and make the good cooling results of inverter.
6, shutter and radiating ribs are set on pulling plate cover.Enter the air-flow in pulling plate cover from shutter to be cooled inverter electric hot plate by the air channel between the radiating ribs of bottom surface, cooling effectiveness is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of muffler wind scooper of the present utility model;
Fig. 3 is the mounting structure schematic diagram of engine wind scooper of the present utility model, hand starting pulling plate assembly and inverter;
Fig. 4 is the structural representation of pulling plate cover of the present utility model;
Fig. 5 is the structural representation that another direction of Fig. 4 is seen.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Embodiment 1, as Figure 1-5: variable-frequency power generation unit cooling system of the present utility model forms primarily of the parts such as electronic unit 8, inverter outer cover 9 of engine wind scooper 1, inverter base 2, cylinder head wind scooper 3, muffler outer hood, fan 5, muffler wind scooper 6, pulling plate assembly 7, inverter.
Engine wind scooper 1, cylinder head wind scooper 3, fan 5 are existing design.Engine wind scooper 1 is built with fan 5.The electronic unit 8 of inverter comprises aluminium substrate, and aluminium substrate is provided with the control circuit power of the output for controlling generator, and this is prior art, does not repeat at this.
The front and back of inverter base 2 is respectively equipped with front installation cavity 2-2 and rear installation cavity 2-1, and in other words inverter base 2 is combined by former and later two hood-like portions of opposing setting exactly, and the degree of depth of rear installation cavity 2-1 is greater than the degree of depth of front installation cavity 2-2.The inner bottom surface of front installation cavity 2-2 is provided with erection column 2-8.The sidewall of rear installation cavity 2-1 is provided with the stay cord hole 2-4 stretched out for stay cord, preferably arranges two stay cord hole 2-4, is convenient to install.The sidewall of rear installation cavity 2-1 is provided with the ventilation hole communicated with the air inlet of wind scooper 1, be preferably: the sidewall of the rear relative both sides of installation cavity 2-1 is symmetrically distributed with shutter 2-3, each louver board of the corresponding shutter 2-3 of inner bottom surface of rear installation cavity 2-1 is provided with a radiating ribs 2-5, the two ends of radiating ribs 2-5 are connected with the inner of the louvered top edge of the shutter 2-3 of opposite side respectively, and the center of the inner bottom surface of rear installation cavity 2-1 is also provided with installation shaft 2-6.The accent of rear installation cavity 2-1 and front installation cavity 2-2 is respectively equipped with ring flange 2-7, and the ring flange 2-7 on rear installation cavity 2-1 is bolted on the air inlet of engine wind scooper 1.
Pulling plate assembly 7 is contained in rear installation cavity, the pulling plate of pulling plate assembly 7 is sleeved on the installation shaft 2-6 of rear installation cavity 2-2, pulling plate assembly 7 comprises metallic spring, stay cord, handle, pulling plate etc., this is prior art, not repeating at this. the electronic unit 8 of inverter is contained on the erection column 2-8 of front installation cavity 2-2, and the bottom surface of the aluminium substrate of electronic unit 8 and front installation cavity 2-2 fits tightly.Inverter cover 9 is arranged on the ring flange 2-7 of front installation cavity 2-2 by bolt.
Under the effect of fan 5, cooling air enters in engine wind scooper 1 from inverter base 2, and the air outlet of described engine wind scooper 1 is communicated with the air inlet of cylinder head wind scooper 3.
Described muffler outer hood comprises the front shroud 4a and back cover 4b that snap together, the front panel of described front shroud 4a is provided with air outlet, the position of described back cover 4b corresponding cylinder head wind scooper 3 air outlet is provided with air inlet, the air inlet of described back cover 4b is positioned at the front of cylinder head wind scooper 3, silencer outer cover structure is also prior art, does not do into repeating at this to its structure.Be connected with muffler wind scooper 6 between the air outlet of described cylinder head wind scooper 3 and the air inlet of back cover 4b, described muffler wind scooper 6 is in tubular.Preferably described muffler wind scooper 6 is made up of left wind scooper 6a and right wind scooper 6b, and described left wind scooper 6a is bolted into tubular after docking with right wind scooper 6b.So convenient installation.Cylinder head wind scooper 3 wind out is all incorporated in muffler outer hood by muffler wind scooper 6, cools muffler.Cooling air is finally gone out from the air outlet of front shroud 4a.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection range of claims.
Claims (9)
1. a variable-frequency power generation unit cooling system, comprise engine wind scooper (1), cylinder head wind scooper (3) and muffler outer hood, described engine wind scooper (1) is built with fan (5), the air outlet of described engine wind scooper (1) is communicated with the air inlet of cylinder head wind scooper (3), air outlet place near cylinder head wind scooper (3) on described muffler outer hood is provided with air inlet, described muffler outer hood is also provided with air outlet, it is characterized in that: between the air outlet of described cylinder head wind scooper (3) and the air inlet of muffler outer hood, be connected with muffler wind scooper (6), described muffler wind scooper (6) is in tubular.
2. variable-frequency power generation unit cooling system according to claim 1, it is characterized in that: described muffler wind scooper (6) is made up of left wind scooper (6a) and right wind scooper (6b), described left wind scooper (6a) is bolted into tubular with after right wind scooper (6b) docking.
3. variable-frequency power generation unit cooling system according to any one of claim 1 and 2, it is characterized in that: on the air inlet of engine wind scooper (1), be provided with inverter base (2), described inverter base (2) is provided with the ventilation hole communicated with the air inlet of engine wind scooper (1), and described inverter base (2) is built with the electronic unit (8) of inverter.
4. variable-frequency power generation unit cooling system according to claim 3, it is characterized in that: the front and back of described inverter base (2) is respectively equipped with front installation cavity (2-2) and rear installation cavity (2-1), the accent of described rear installation cavity (2-1) and front installation cavity (2-2) is respectively equipped with ring flange (2-7), ring flange (2-7) on described rear installation cavity (2-1) is bolted on the air inlet of engine wind scooper (1), the sidewall of described rear installation cavity (2-1) is provided with the ventilation hole communicated with the air inlet of engine wind scooper (1) and the stay cord hole (2-4) of stretching out for stay cord, the center of the inner bottom surface of described rear installation cavity (2-1) is provided with installation shaft (2-6), described electronic unit (8) is arranged in front installation cavity (2-2), pulling plate assembly (7) is positioned at rear installation cavity (2-1), and described pulling plate assembly (7) is arranged in installation shaft (2-6).
5. variable-frequency power generation unit cooling system according to claim 4, it is characterized in that: the sidewall of the relative both sides of described rear installation cavity (2-1) is symmetrically distributed with shutter (2-3), each louver board of the corresponding shutter (2-3) of inner bottom surface of described rear installation cavity (2-1) is provided with a radiating ribs (2-5), and the two ends of described radiating ribs (2-5) are connected with the inner of the louvered top edge of the shutter (2-3) of opposite side respectively.
6. variable-frequency power generation unit cooling system according to claim 4, is characterized in that: the degree of depth of described rear installation cavity (2-1) is greater than the degree of depth of front installation cavity (2-2).
7. variable-frequency power generation unit cooling system according to claim 4, is characterized in that: the inner bottom surface of described front installation cavity (2-2) is distributed with erection column (2-8).
8. variable-frequency power generation unit cooling system according to claim 4, it is characterized in that: also comprise inverter cover (9), described inverter cover (9) is arranged on the ring flange (2-7) of front installation cavity (2-2) by bolt.
9. variable-frequency power generation unit cooling system according to claim 1, it is characterized in that: described muffler outer hood comprises the front shroud (4a) and back cover (4b) that snap together, the front panel of described front shroud (4a) is provided with air outlet, the position of described back cover (4b) corresponding cylinder head wind scooper (3) air outlet is provided with air inlet, and the air inlet of described back cover (4b) is positioned at the front of cylinder head wind scooper (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380845.3U CN204046355U (en) | 2014-07-11 | 2014-07-11 | Variable-frequency power generation unit cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380845.3U CN204046355U (en) | 2014-07-11 | 2014-07-11 | Variable-frequency power generation unit cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN204046355U true CN204046355U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380845.3U Expired - Fee Related CN204046355U (en) | 2014-07-11 | 2014-07-11 | Variable-frequency power generation unit cooling system |
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| CN (1) | CN204046355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107735A (en) * | 2019-12-31 | 2020-05-05 | 隆鑫通用动力股份有限公司 | Frequency converter cooling device of generator set and mounting method |
-
2014
- 2014-07-11 CN CN201420380845.3U patent/CN204046355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107735A (en) * | 2019-12-31 | 2020-05-05 | 隆鑫通用动力股份有限公司 | Frequency converter cooling device of generator set and mounting method |
| CN111107735B (en) * | 2019-12-31 | 2022-01-25 | 隆鑫通用动力股份有限公司 | Frequency converter cooling device of generator set and mounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20180711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |