CN104481664A - Power generator with auxiliary air cooling effect - Google Patents
Power generator with auxiliary air cooling effect Download PDFInfo
- Publication number
- CN104481664A CN104481664A CN201410736531.7A CN201410736531A CN104481664A CN 104481664 A CN104481664 A CN 104481664A CN 201410736531 A CN201410736531 A CN 201410736531A CN 104481664 A CN104481664 A CN 104481664A
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- Prior art keywords
- cooling duct
- cooling
- air
- auxiliary air
- engine block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a power generator with an auxiliary air cooling effect. The power generator comprises auxiliary air channels. Air inlets of the auxiliary air channels are formed in covering parts, and the auxiliary air channels pass through gaps among an engine, a power generator body and the covering parts. The power generator has the advantages that the power generator is provided with auxiliary cooling air channel structures, the auxiliary cooling air channels can be used with main cooling air channels, preliminary cooling and heat-insulation effects can be realized, heat accumulation in a case can be initiatively eliminated, special heat-insulation processing on radiating positions can be omitted, accordingly, the integral structure of the power generator can be simplified, and the service cost can be saved; the structure of the power generator is further simplified, and accordingly merits of flexibility, mobility and the like of the small power generator can be exerted.
Description
Technical field
The present invention relates to a kind of generator accessory structure, particularly a kind of auxiliary air-cooled generator.
Background technique
Small Universal machinery has less volume and weight, obtains applying comparatively widely; Such as small fuel oil generator due to volume little, compact structure and the more fields such as family life that are applied to; Because this generator adopts motor as power, therefore, have more heat and produce, heat radiation is then the problem that this structure generator must solve; In prior art, in order to dispel the heat, have employed the structure that generator and motor are dispelled the heat respectively, then adopt two cooling fans and respective independently cooling duct, comparatively complicated air flue structure makes this electric generator structure machine volume comparatively large, is not easy to mobile and uses; Simultaneously, in order to reduce the temperature in generator case, thermal-protective coating is also adopted power part and the hot edge of silencing apparatus part to be wrapped up completely in existing structure, reduce heating edge to the impact of generator the temperature inside the box, therefore structure is more complicated, causes small generator can not give full play to its advantage small and exquisite flexibly.
Therefore, need to improve existing generator cooling construction, there is good cooling effect, and there is effect of heat insulation, avoid heat accumulation in cabinet, remove the use of thermal-protective coating, simplify overall structure, make whole generator more simply compact, more can play small generator advantage flexibly.
Summary of the invention
In view of this, the invention provides a kind of auxiliary air-cooled generator, there is good cooling effect, and there is effect of heat insulation, avoid heat accumulation in cabinet, remove the use of thermal-protective coating, simplify overall structure, make whole generator more simply compact, more can play small generator advantage flexibly
Auxiliary air-cooled generator of the present invention, comprise casing and be positioned at engine block and the motor of casing, described casing comprises frame and covering, space between described covering and motor and engine block forms auxiliary air channel, and the intake grill in described auxiliary air channel is arranged at covering; Generator comprises engine block and the motor as power source, and is provided with the appurtenances such as frequency variator, belongs to the conventional structure of existing generator, does not repeat them here; This structure can form cooling air between main equipment and covering, avoids heat in cabinet inner accumulated thus avoids cabinet to generate heat, and the thermal-protective coating can removing prior art is arranged.
Further, the intake grill in described auxiliary air channel is two coverings being arranged at the both lateral sides of casing respectively, auxiliary air channel, also for corresponding to two of apportion generator both lateral sides of intake grill, laterally refers to and the direction of orientation horizontal vertical between motor and engine block; Certainly, can not be formed between two auxiliary air channels and intercept and form connection, increase air output and the comprehensive supplement heat rejecter that realizes, eliminate cooling dead angle, avoid heat accumulation in cabinet.
Further, the main cooling duct of through engine block and motor is formed in described casing; Having by cover body between generator with motor and be connected, through two main equipments of cooling duct, completing cooling by forcing the flowing of cooling air, simple and compact for structure, do not need to arrange respective cooling duct; And owing to adopting through cooling duct, a cooling fan can be set, simplified apparatus overall structure.
Further, described supplement heat rejecter air channel and main cooling duct collect in main cooling duct front end; This structure effectively can increase cooling air quantity, improves cooling effect.
Further, generator comprises the frequency variator, cooling fan, generator and the motor that are arranged in order, and main cooling duct is successively through frequency variator, cooling fan, engine block and motor, and the cooling air in main cooling duct is forced to be formed by cooling fan; Force cooling air to flow by an overall cooling duct, complete the cooling of whole equipment, structure is simply compact further; Reduce whole generator respectively to generate heat the temperature of part, extend the working life of motor, reduce discharge, improve the working life of each electrical part of generator, improve the reliability of complete machine.
Further, the cooling duct I and cooling duct II that are formed by main cooling duct branch is entered respectively after the cooling air of cooling fan cools generator, described cooling duct I is positioned at engine cylinder head, and described cooling duct II is positioned at bottom engine crankshaft box and crankcase cover; Comprehensive cooling is formed to motor, and the comprehensive heat taken away in cabinet, avoid heat accumulation and do not need to carry out heat insulation process.
Further, the outlet of described cooling duct I and cooling duct II comes together in muffler for motor and discharges after silencing apparatus cooling; Take away the heat around silencing apparatus, prevent heat accumulation, do not need to carry out heat-insulation and heat-preservation process, simplified structure.
Further, described main cooling duct comprises the air intake passage of cooling fan, and this air intake passage is through frequency variator; Utilize and by cooling air, frequency variator is cooled, thoroughly and comprehensively, ensure cooling effect.
Further, the import of air intake passage is positioned at covering and corresponding with frequency variator front end; Make air intake smooth and easy, reduce resistance, improve cooling effect.
Further, described cooling fan is arranged in fan guard, and this fan guard is communicated with the generator cooling duct being formed and be communicated with cooling duct II with cooling duct I with engine block shell;
Further, described cooling fan is arranged in fan guard, and this fan guard is communicated with the generator cooling duct being formed and be communicated with cooling duct II with cooling duct I with engine block shell; The air intake of described air intake passage is by between the control panel of generator and frequency variator, and generator has control panel, for controlling the parameters such as generated energy, belonging to routine techniques, not repeating them here; Described cooling duct I is formed between air guide sleeve and engine cylinder head on one, and cooling duct II is by once being formed between air guide sleeve and engine bottom; Described upper air guide sleeve and lower air guide sleeve are connected with between engine block shell and with between muffler outer hood; Auxiliary air channel is formed at covering and engine block shell and between upper air guide sleeve and lower air guide sleeve; Parts on counter plate have certain cooling effect, and do not need to arrange cooling duct separately, and the cooling duct that overall formation is relatively airtight, pointed carrying out cools, and improves cooling effectiveness.
Beneficial effect of the present invention: auxiliary air-cooled generator of the present invention, adopt the structure in supplement heat rejecter air channel, main cooling duct can be coordinated to use, there is cooling in advance and heat insulation effect, initiatively eliminate the heat accumulation in cabinet, do not need to carry out heat insulation process to heat radiation position specially, thus simplification overall structure, save user cost, and further simplified structure, play small generator and be easy to advantages such as moving flexibly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is supplement heat rejecter air flue structure schematic diagram of the present invention;
Fig. 2 is main cooling air duct construction schematic diagram of the present invention.
Embodiment
Fig. 1 is supplement heat rejecter air flue structure schematic diagram of the present invention, Fig. 2 is main cooling air duct construction schematic diagram of the present invention, as shown in the figure: the auxiliary air-cooled generator of the present embodiment, comprise casing and be positioned at engine block 4 and the motor 5 of casing, described casing comprises frame and covering 13, space between described covering 13 and motor 5 and engine block 4 forms auxiliary air channel, and the intake grill in described auxiliary air channel is arranged at covering 13; Generator comprises engine block and the motor as power source, and is provided with the appurtenances such as frequency variator, belongs to the conventional structure of existing generator, does not repeat them here; This structure can form cooling air between main equipment (motor, engine block etc.) and covering 13, be cooling air flow direction as illustrated by the arrows in fig. 1, avoid heat in cabinet inner accumulated thus avoid cabinet to generate heat, the thermal-protective coating can removing prior art is arranged.
In the present embodiment, the intake grill in described auxiliary air channel is two coverings 13 being arranged at the both lateral sides of casing respectively, auxiliary air channel, also for corresponding to two of apportion generator both lateral sides of intake grill, laterally refers to and the direction of orientation horizontal vertical between motor 5 and engine block 4; Certainly, can not be formed between two auxiliary air channels and intercept and formation connection, auxiliary air channel 14 as shown in the figure and auxiliary air channel 15; Increase air output and comprehensively realize supplement heat rejecter, eliminating cooling dead angle, avoid heat accumulation in cabinet.
In the present embodiment, in described casing, form the main cooling duct of through engine block 4 and motor; Having by cover body between generator 4 with motor 5 and be connected, through two main equipments of cooling duct, completing cooling by forcing the flowing of cooling air, simple and compact for structure, do not need to arrange respective cooling duct; And owing to adopting through cooling duct, be cooling air flow direction as denoted by the arrows in fig. 2, a cooling fan can be set, simplified apparatus overall structure; Simultaneously, cooling duct Regularization one, there is good cooling effect, adopt through cooling duct that the cooperation of component can be made tightr, reduce cooling air to lose in flowing, improve cooling effectiveness, compared with existing respective independently cooling duct, make whole generator more simply compact, more can play small generator advantage flexibly.
In the present embodiment, described supplement heat rejecter air channel and main cooling duct collect in main cooling duct front end; Front end refers to the place that air channel starts air intake; This structure effectively can increase cooling air quantity, improves cooling effect.
In the present embodiment, generator comprises the frequency variator 1, cooling fan 2, engine block 4 and the motor 5 that are arranged in order, and main cooling duct is successively through frequency variator 1, cooling fan 2, engine block 4 and motor 5, and the cooling air in main cooling duct is forced to be formed by cooling fan 2; Force cooling air to flow by an overall cooling duct, complete the cooling of whole equipment, structure is simply compact further; Reduce whole generator respectively to generate heat the temperature of part, extend the working life of motor, reduce discharge, improve the working life of each electrical part of generator, improve the reliability of complete machine.
In the present embodiment, the cooling duct I 10 and cooling duct II 11 that are formed by main cooling duct branch is entered respectively after the cooling air of cooling fan 2 cools generator, described cooling duct I 10 is positioned at motor 5 cylinder head, and described cooling duct II 11 is positioned at bottom motor 5 crankcase body and crankcase cover; Crankcase body and crankcase cover refer to the crankcase components of motor, belong to prior art, and structure does not repeat them here; Comprehensive cooling is formed to motor, and the comprehensive heat taken away in cabinet, avoid heat accumulation and do not need to carry out heat insulation process.
In the present embodiment, the outlet of described cooling duct I 10 and cooling duct II 11 comes together in muffler for motor 8 and discharges after silencing apparatus cooling; Take away the heat around silencing apparatus 8, prevent heat accumulation, do not need to carry out heat-insulation and heat-preservation process, simplified structure.
In the present embodiment, described main cooling duct comprises the air intake passage of cooling fan 2, and this air intake passage is through frequency variator 1; Utilize and by cooling air, frequency variator 1 is cooled, thoroughly and comprehensively, ensure cooling effect.
In the present embodiment, the import of air intake passage is positioned at covering 13 and corresponding with frequency variator 1 front end; Make air intake smooth and easy, reduce resistance, improve cooling effect.
In the present embodiment, described cooling fan 2 is arranged in fan guard 3, this fan guard 3 be communicated with engine block 4 shell formed with cooling duct I 10 and cooling duct II 11 together with generator cooling duct, this cooling duct is adopted to make the cooperation of component tightr, reduce cooling air to lose in flowing, improve cooling effectiveness.
In the present embodiment, described cooling fan 2 is arranged in fan guard 3, and this fan guard 3 is communicated with engine block 4 cooling duct being formed and be communicated with cooling duct II 11 with cooling duct I 10 with generator casing; Engine block 4 shell refers to the housing of engine block, can be that fan guard extends to form; The air intake of described air intake passage is by between the control panel of generator and frequency variator, and generator has control panel, for controlling the parameters such as generated energy, belonging to routine techniques, not repeating them here; Described cooling duct I 10 is formed between air guide sleeve 9 and engine cylinder head on one, and cooling duct II 11 is by once being formed between air guide sleeve 6 and engine bottom; Described upper air guide sleeve 9 and lower air guide sleeve 6 are connected with between generator casing and with between muffler outer hood 7; Auxiliary air channel is formed at covering 13 and engine block 4 shell and between upper air guide sleeve 9 and lower air guide sleeve 6; Parts on counter plate have certain cooling effect, and do not need to arrange cooling duct separately, and the cooling duct that overall formation is relatively airtight, pointed carrying out cools, and improves cooling effectiveness.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. assist air-cooled generator for one kind, it is characterized in that: comprise casing and be positioned at engine block and the motor of casing, described casing comprises frame and covering, space between described covering and motor and engine block forms auxiliary air channel, and the intake grill in described auxiliary air channel is arranged at covering.
2. auxiliary air-cooled generator according to claim 1, it is characterized in that: the intake grill in described auxiliary air channel is two coverings being arranged at the both lateral sides of casing respectively, auxiliary air channel is also two of the apportion generator both lateral sides corresponding to intake grill.
3. auxiliary air-cooled generator according to claim 1, is characterized in that: the main cooling duct forming through engine block and motor in described casing.
4. auxiliary air-cooled generator according to claim 3, is characterized in that: described supplement heat rejecter air channel and main cooling duct collect in main cooling duct front end.
5. auxiliary air-cooled generator according to claim 4, it is characterized in that: generator comprises the frequency variator, cooling fan, engine block and the motor that are arranged in order, and main cooling duct is successively through frequency variator, cooling fan, engine block and motor, and the cooling air in main cooling duct and supplement heat rejecter air channel is forced to be formed by cooling fan.
6. auxiliary air-cooled generator according to claim 5, it is characterized in that: after the cooling air of cooling fan cools engine block, enter the cooling duct I and cooling duct II that are formed by main cooling duct branch respectively, described cooling duct I is positioned at engine cylinder head, and described cooling duct II is positioned at bottom engine crankshaft box and crankcase cover.
7. auxiliary air-cooled generator according to claim 6, is characterized in that: the outlet of described cooling duct I and cooling duct II comes together in muffler for motor and discharges after silencing apparatus cooling.
8. auxiliary air-cooled generator according to claim 5, it is characterized in that: described main cooling duct comprises the air intake passage of cooling fan, this air intake passage is through frequency variator, and described supplement heat rejecter air channel and air intake passage collect.
9. auxiliary air-cooled generator according to claim 5, is characterized in that: the import of main cooling channel is positioned at covering and corresponding with frequency variator front end.
10. auxiliary air-cooled generator according to claim 6, it is characterized in that: described cooling fan is arranged in fan guard, this fan guard is communicated with the engine block cooling duct being formed and be communicated with cooling duct II with cooling duct I with engine block shell; The air intake of described air intake passage is by between the control panel of generator and frequency variator; Described cooling duct I is formed between air guide sleeve and engine cylinder head on one, and cooling duct II is by once being formed between air guide sleeve and engine bottom; Described upper air guide sleeve and lower air guide sleeve are connected with between engine block shell and with between muffler outer hood; Auxiliary air channel is formed at covering and engine block shell and between upper air guide sleeve and lower air guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736531.7A CN104481664B (en) | 2014-12-07 | 2014-12-07 | The air-cooled generator of auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736531.7A CN104481664B (en) | 2014-12-07 | 2014-12-07 | The air-cooled generator of auxiliary |
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| Publication Number | Publication Date |
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| CN104481664A true CN104481664A (en) | 2015-04-01 |
| CN104481664B CN104481664B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410736531.7A Active CN104481664B (en) | 2014-12-07 | 2014-12-07 | The air-cooled generator of auxiliary |
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| Country | Link |
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| CN (1) | CN104481664B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696055A (en) * | 2014-12-07 | 2015-06-10 | 隆鑫通用动力股份有限公司 | Auxiliary air-cooling double-duct engine assembly |
| CN109899158A (en) * | 2019-04-09 | 2019-06-18 | 重庆华世丹动力科技股份有限公司 | The cooling air duct construction of full-enclosed generating set |
| CN109989826A (en) * | 2019-04-15 | 2019-07-09 | 重庆华世丹动力科技股份有限公司 | Generating set cooling air duct construction |
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| JPH1018851A (en) * | 1996-07-03 | 1998-01-20 | Mitsubishi Heavy Ind Ltd | Cooling and ventilating structure of power generator |
| JP2000097040A (en) * | 1998-09-17 | 2000-04-04 | Hitachi Ltd | Engine-driven power generating set |
| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| CN1916383A (en) * | 2006-09-07 | 2007-02-21 | 江苏常发实业集团有限公司 | Generator set of possessing dual cooling air flues |
| CN102352793A (en) * | 2011-11-03 | 2012-02-15 | 重庆润通动力有限公司 | Power generator driven by engine |
| CN102705057A (en) * | 2012-06-19 | 2012-10-03 | 重庆润通动力有限公司 | Engine used for generator |
| CN204572167U (en) * | 2014-12-07 | 2015-08-19 | 隆鑫通用动力股份有限公司 | Bypass Wind-cooling type generator |
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2014
- 2014-12-07 CN CN201410736531.7A patent/CN104481664B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1018851A (en) * | 1996-07-03 | 1998-01-20 | Mitsubishi Heavy Ind Ltd | Cooling and ventilating structure of power generator |
| JP2000097040A (en) * | 1998-09-17 | 2000-04-04 | Hitachi Ltd | Engine-driven power generating set |
| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| CN1916383A (en) * | 2006-09-07 | 2007-02-21 | 江苏常发实业集团有限公司 | Generator set of possessing dual cooling air flues |
| CN102352793A (en) * | 2011-11-03 | 2012-02-15 | 重庆润通动力有限公司 | Power generator driven by engine |
| CN102705057A (en) * | 2012-06-19 | 2012-10-03 | 重庆润通动力有限公司 | Engine used for generator |
| CN204572167U (en) * | 2014-12-07 | 2015-08-19 | 隆鑫通用动力股份有限公司 | Bypass Wind-cooling type generator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696055A (en) * | 2014-12-07 | 2015-06-10 | 隆鑫通用动力股份有限公司 | Auxiliary air-cooling double-duct engine assembly |
| CN109899158A (en) * | 2019-04-09 | 2019-06-18 | 重庆华世丹动力科技股份有限公司 | The cooling air duct construction of full-enclosed generating set |
| CN109989826A (en) * | 2019-04-15 | 2019-07-09 | 重庆华世丹动力科技股份有限公司 | Generating set cooling air duct construction |
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| CN104481664B (en) | 2017-11-07 |
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