CN216672764U - Variable frequency generator convenient to heat dissipation - Google Patents
Variable frequency generator convenient to heat dissipation Download PDFInfo
- Publication number
- CN216672764U CN216672764U CN202220152911.6U CN202220152911U CN216672764U CN 216672764 U CN216672764 U CN 216672764U CN 202220152911 U CN202220152911 U CN 202220152911U CN 216672764 U CN216672764 U CN 216672764U
- Authority
- CN
- China
- Prior art keywords
- cylinder cover
- heat dissipation
- air inlet
- cavity
- partition plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a variable frequency generator convenient for heat dissipation, which comprises a cylinder body, an annular partition plate, an impeller and a cylinder cover, wherein the annular partition plate is arranged on the cylinder body; the cylinder cover is connected with the cylinder body, a cooling cavity is arranged on one side of the back cylinder body of the cylinder cover, a through hole is formed in the cylinder cover, a crankshaft is arranged on the cylinder body, and one end of the crankshaft penetrates through the through hole in the cylinder cover and is located in the cooling cavity; the annular partition plate is arranged in the cooling cavity, the annular partition plate is perpendicular to the crankshaft, the cooling cavity is divided by the annular partition plate to form a first cavity and a second cavity which are independent, and the first cavity is positioned on one side close to the cylinder body; the impeller is coaxially connected with the crankshaft, the impeller is positioned in the second chamber, and the crankshaft is in clearance fit with the inner ring of the annular partition plate; the cylinder cover is provided with a lower air inlet communicated with the first chamber; an air outlet communicated with the second chamber is also arranged on the cylinder cover. The utility model greatly improves the heat dissipation effect of the cylinder cover and the cylinder body of the engine and ensures the service life of the engine.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a variable frequency generator convenient for heat dissipation.
Background
The generator is mechanical equipment which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits the mechanical energy to the generator, and then the generator converts the mechanical energy into electric energy. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The generator has many forms, but the working principle is based on the electromagnetic induction law and the electromagnetic force law, and the general principle of the structure is as follows: appropriate magnetic conductive and electric conductive materials are used to form a magnetic circuit and a circuit which mutually perform electromagnetic induction so as to generate electromagnetic power and achieve the purpose of energy conversion. However, the heat dissipation effect of the cylinder cover and the cylinder body of the existing engine is poor, and the service life of the engine is shortened.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the variable frequency generator convenient for heat dissipation, so that the heat dissipation effects of a cylinder cover and a cylinder body of an engine are greatly improved, and the service life of the engine is ensured.
The utility model provides a variable frequency generator convenient for heat dissipation, which comprises a cylinder body, an annular partition plate, an impeller and a cylinder cover, wherein the annular partition plate is arranged on the cylinder body;
the cylinder cover is connected with the cylinder body, a cooling cavity is arranged on one side of the back cylinder body of the cylinder cover, a through hole is formed in the cylinder cover, a crankshaft is arranged on the cylinder body, and one end of the crankshaft penetrates through the through hole in the cylinder cover and is located in the cooling cavity;
the annular partition plate is arranged in the cooling cavity, the annular partition plate is perpendicular to the crankshaft, the cooling cavity is divided by the annular partition plate to form a first cavity and a second cavity which are independent, and the first cavity is positioned on one side close to the cylinder body;
the impeller is coaxially connected with the crankshaft, the impeller is positioned in the second chamber, and the crankshaft is in clearance fit with the inner ring of the annular partition plate; the cylinder cover is provided with a lower air inlet communicated with the first chamber; an air outlet communicated with the second chamber is also arranged on the cylinder cover.
Preferably, the lower air inlet is in a strip shape, and a plurality of support columns used for supporting the lower air inlet are arranged on the cylinder cover.
Preferably, the cylinder cover is provided with an upper air inlet communicated with the first chamber, and the upper air inlet and the lower air inlet are arranged up and down on the cylinder cover.
Preferably, a plurality of heat dissipation convex strips which are arranged at equal intervals are arranged at the position, close to the lower air inlet, of the first chamber, and the length direction of the heat dissipation convex strips is consistent with the air inlet direction of the lower air inlet.
Preferably, two first connecting seats are arranged on the cylinder cover and located on two sides of the lower air inlet, and each first connecting seat is connected with a shock pad used for being connected with the rack; the both sides of cylinder body all are equipped with the shock pad that is used for being connected with the frame.
Preferably, a plurality of reinforcing rib plates are arranged between the cylinder cover and the first connecting seat.
Preferably, the annular partition plate is made of a heat-conducting metal material.
The utility model has the following beneficial effects:
according to the technical scheme, the crankshaft of the cylinder body drives the impeller to rotate, so that a first chamber and a second chamber form negative pressure, external air enters the first chamber from the lower air inlet and corresponds to the cylinder cover to be subjected to primary cooling, then enters the second chamber from the distance between the crankshaft and the inner ring of the annular partition plate, centrifugal rotation is performed under the action of the impeller to perform secondary cooling, and airflow after secondary cooling is led out from the air outlet under the driving of the impeller; the first-stage cooling and the second-stage cooling are carried out in the first cavity and the second cavity of the cylinder cover, so that the heat dissipation effects of the cylinder cover and the cylinder body of the engine are greatly improved, and the service life of the engine is guaranteed.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of the cylinder head side of one embodiment of the present invention;
FIG. 3 is a schematic view of a structure of a crankshaft and a cylinder head in an embodiment of the utility model;
FIG. 4 is a schematic diagram of a second chamber side according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the first chamber side in an embodiment of the utility model.
Reference numerals:
1-cylinder body, 11-crankshaft, 2-annular partition plate, 3-impeller, 4-cylinder cover, 42-through hole, 43-first chamber, 431-lower air inlet, 432-upper air inlet, 433-heat dissipation raised line, 44-second chamber, 45-air outlet, 46-support column, 47-first connecting seat, 471-reinforcing rib plate, 5-shock pad and 6-frame.
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.
As shown in fig. 1 to 5, the variable frequency generator convenient for heat dissipation provided by the present embodiment includes a cylinder body 1, an annular partition plate 2, an impeller 3 and a cylinder cover 4; the cylinder cover 4 is connected with the cylinder body 1, a cooling cavity is arranged on one side of the back cylinder body of the cylinder cover 4, a through hole 42 is formed in the cylinder cover 4, the crankshaft 11 is arranged on the cylinder body 1, and one end of the crankshaft 11 penetrates through the through hole 42 of the cylinder cover 4 and is located in the cooling cavity.
The annular partition plate 2 is arranged in the cooling cavity, the annular partition plate 2 is perpendicular to the crankshaft 11, the annular partition plate 2 divides the cooling cavity into a first cavity 33 and a second cavity 44 which are independent, and the first cavity 43 is positioned on one side close to the cylinder body 1. The cylinder cover 4 is provided with a lower air inlet 431 communicated with the first chamber 43; the cylinder head 4 is also provided with an air outlet 45 communicating with the second chamber 44. The impeller 3 is coaxially connected with the crankshaft 11, the impeller 3 is positioned in the second chamber 44, and the crankshaft 11 is in clearance fit with the inner ring of the annular partition plate 2. In this embodiment, in order to improve the heat dissipation effect, the annular partition plate 2 is made of a heat-conducting metal material.
According to the technical scheme, the crankshaft 11 of the cylinder body 1 drives the impeller 3 to rotate, so that a first chamber 43 and a second chamber 44 form negative pressure, external air enters the first chamber 43 from the lower air inlet 431 and corresponds to the cylinder cover 4 to be subjected to primary cooling, then enters the second chamber 44 from the space between the crankshaft 11 and the inner ring of the annular partition plate 2, and is subjected to centrifugal rotation under the action of the impeller 3 to be subjected to secondary cooling, and airflow subjected to secondary cooling is guided out from the air outlet 45 under the driving of the impeller 3; the first-stage cooling and the second-stage cooling are carried out in the first chamber 43 and the second chamber 44 of the cylinder cover 4, so that the heat dissipation effects of the cylinder cover 4 and the cylinder body 1 of the engine are greatly improved, and the service life of the engine is ensured.
Specifically, the bottom intake 431 has a strip shape, and the cylinder head 4 is provided with a plurality of support pillars 46 for supporting the bottom intake 431. The design that air inlet 431 is the strip form down guarantees air inlet 431's horizontal air inlet width down, and then improves the area of contact of the outside air that air inlet 431 sent into and first cavity 43 down to improve the one-level cooling effect of first cavity 43. In order to further improve the primary cooling effect of the first chamber 43, the cylinder head 4 is provided with an upper intake port 432 communicated with the first chamber, and the upper intake port 432 and the lower intake port 431 are arranged up and down on the cylinder head 4. The upper air inlet 432 and the lower air inlet 431 are designed to enable the first chamber 43 to be cooled in a primary manner by external air flow introduced while the first chamber 43 is located in the vertical direction, so that the phenomenon that the cooling effect of the upper portion of the first chamber 43 is poor is avoided. Moreover, the design of the support pillars 46 improves the structural strength of the bottom inlet 431, and avoids the phenomenon that the bottom inlet 431 is easily broken when being collided by a foreign object.
In addition, a plurality of heat dissipation ribs 433 are arranged at equal intervals at the lower air inlet of the first chamber 43, and the length direction of the heat dissipation ribs 433 is consistent with the air inlet direction of the lower air inlet 431. The design of the heat dissipation protruding strip 433 further improves the heat dissipation effect of the primary cooling of the first chamber 43 on the cylinder head 4 and the cylinder body 1 of the engine.
In order to reduce the vibration phenomenon of the engine, two first connecting seats 47 are arranged on the cylinder head 4, the two first connecting seats 47 are positioned at two sides of the lower air inlet 431, and each first connecting seat 47 is connected with a shock pad 5 used for being connected with the frame 6; both sides of the cylinder body 1 are provided with shock-absorbing pads 5 for connecting with the frame 6. The design lengthens the distance between the supporting points of the cylinder body 1 and the cylinder cover 4 on the frame 6, effectively reduces the amplification and the vibration frequency of the engine, and enables the engine to run more stably. Meanwhile, a plurality of reinforcing rib plates 471 are arranged between the cylinder cover 4 and the first connecting seat 47, and the structural strength between the first connecting seat 47 and the reinforcing rib plates 471 is effectively improved.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill 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; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (7)
1. The utility model provides a frequency conversion generator convenient to heat dissipation which characterized in that: comprises a cylinder body, an annular clapboard, an impeller and a cylinder cover;
the cylinder cover is connected with the cylinder body, a cooling cavity is arranged on one side of the back cylinder body of the cylinder cover, a through hole is formed in the cylinder cover, a crankshaft is arranged on the cylinder body, and one end of the crankshaft penetrates through the through hole in the cylinder cover and is located in the cooling cavity;
the annular partition plate is arranged in the cooling cavity, the annular partition plate is perpendicular to the crankshaft, the cooling cavity is divided by the annular partition plate to form a first cavity and a second cavity which are independent, and the first cavity is positioned on one side close to the cylinder body;
the impeller is coaxially connected with the crankshaft, the impeller is positioned in the second chamber, and the crankshaft is in clearance fit with the inner ring of the annular partition plate; the cylinder cover is provided with a lower air inlet communicated with the first chamber; an air outlet communicated with the second chamber is also arranged on the cylinder cover.
2. The variable frequency generator facilitating heat dissipation of claim 1, wherein:
the lower air inlet is in a strip shape, and a plurality of support columns used for supporting the lower air inlet are arranged on the cylinder cover.
3. The variable frequency generator facilitating heat dissipation of claim 1, wherein:
the cylinder cover is provided with an upper air inlet communicated with the first cavity, and the upper air inlet and the lower air inlet are arranged on the cylinder cover from top to bottom.
4. The variable frequency generator facilitating heat dissipation of claim 1, wherein:
a plurality of heat dissipation convex strips which are arranged at equal intervals are arranged at the position, close to the lower air inlet, of the first cavity, and the length direction of the heat dissipation convex strips is consistent with the air inlet direction of the lower air inlet.
5. The variable frequency generator facilitating heat dissipation of claim 1, wherein:
two first connecting seats are arranged on the cylinder cover and positioned on two sides of the lower air inlet, and each first connecting seat is connected with a shock pad used for being connected with the rack; both sides of the cylinder body are provided with shock pads used for being connected with the frame.
6. The variable frequency generator facilitating heat dissipation of claim 5, wherein:
and a plurality of reinforcing rib plates are arranged between the cylinder cover and the first connecting seat.
7. The variable frequency generator facilitating heat dissipation of claim 5, wherein:
the annular partition plate is made of heat-conducting metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220152911.6U CN216672764U (en) | 2022-01-20 | 2022-01-20 | Variable frequency generator convenient to heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220152911.6U CN216672764U (en) | 2022-01-20 | 2022-01-20 | Variable frequency generator convenient to heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216672764U true CN216672764U (en) | 2022-06-03 |
Family
ID=81762877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220152911.6U Active CN216672764U (en) | 2022-01-20 | 2022-01-20 | Variable frequency generator convenient to heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216672764U (en) |
-
2022
- 2022-01-20 CN CN202220152911.6U patent/CN216672764U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216672764U (en) | Variable frequency generator convenient to heat dissipation | |
| CN209881553U (en) | Generating set's heat dissipation wind channel structure | |
| CN109104035A (en) | A kind of high current generator | |
| CN207218441U (en) | A kind of generator frame with water proof and dust proof outer cover | |
| CN215419911U (en) | Heat radiation structure of generator set | |
| CN212927989U (en) | Generating set heat dissipation case device | |
| CN208158301U (en) | A kind of three-phase hybrid stepping motor | |
| CN206917721U (en) | A kind of power generating type distance increasing unit with air blast cooling water conservancy diversion | |
| CN206004475U (en) | A kind of motor of convenient radiating | |
| CN205896575U (en) | Be applied to supplementary bearing structure of bottom plate of diesel generating set assembly | |
| CN210380470U (en) | Permanent magnet generator with hollow shaft | |
| CN210370899U (en) | Water-cooled intercooler for household automobile | |
| RU2303324C1 (en) | Electric current generator using open-circuit gas cooling system | |
| CN211116234U (en) | Cooling machine box of engine | |
| CN207625372U (en) | A kind of motor base having heat sinking function | |
| CN209041060U (en) | A kind of cooling device of gas compressor | |
| WO2020125055A1 (en) | Volute assembly of high speed electric direct drive centrifugal fan | |
| CN216851523U (en) | Simple claw type end cover convenient to install | |
| CN214959146U (en) | Efficient heat dissipation type generator set | |
| CN205779817U (en) | A kind of electric locomotive filter transformer diagonal flow fan | |
| CN208138717U (en) | A kind of generating set convenient for adjusting | |
| CN204828036U (en) | A cooling fan for generator | |
| CN215633341U (en) | High-durability engine shell | |
| CN219679068U (en) | Disconnect-type oxygenerator | |
| CN215072023U (en) | Aerogenerator casing convenient to heat dissipation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |