CN102505988A - Method for driving accessory generator of automotive engine, and automotive engine - Google Patents
Method for driving accessory generator of automotive engine, and automotive engine Download PDFInfo
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- CN102505988A CN102505988A CN2011103463995A CN201110346399A CN102505988A CN 102505988 A CN102505988 A CN 102505988A CN 2011103463995 A CN2011103463995 A CN 2011103463995A CN 201110346399 A CN201110346399 A CN 201110346399A CN 102505988 A CN102505988 A CN 102505988A
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Abstract
The invention discloses a method for driving an accessory generator of an automotive engine, and the automotive engine. The automotive engine comprises an engine body, a crankshaft, a crankshaft belt pulley, a generator and a generator bracket, wherein the generator is a permanent magnetic type outer rotor direct current generator; a shell of the crankshaft belt pulley is used as a magnetic yoke of the rotor; a permanent magnet of the rotor of the generator is fixed on the inner wall of the shell of the crankshaft belt pulley; a stator of the generator includes windings and a stator shaft; the stator shaft of the generator is supported by the rotor through a bearing; and the front end of the stator shaft is connected with the generator bracket. The automotive engine disclosed by the invention can provide power for an air conditioning system mounted on the automotive; a generator of the air conditioning system is arranged at the front end of the crankshaft of the automotive engine and can be driven without using a belt; and the engine is simple in structure and good for the air conditioning system to employ an integral arrangement structure.
Description
[technical field]
The present invention relates to automobile, relate in particular to method that a kind of motor car engine drives attached generator and the motor car engine that electric power can be provided for car air conditioner or other annexes.
[background technique]
The not merely vertical air-conditioning system that the tradition large and medium bus adopts adopts split type layout, and air condition compressor is installed in motor head and drives through crank pulley, and air-conditioning draught fan also drags the DC24V generator powered by the crank pulley of motor car engine.The shortcoming that the on-board air conditioner system adopts split type layout to bring is that system architecture is complicated, the pipeline of compressor is very long, causes freezing medium leakage easily, befouling environment; Vehicle Engine Structure is complicated, and the annex that crank pulley need drive is many, breaks down easily.
[summary of the invention]
The technical problem that the present invention will solve provides a kind of simple in structure, and the less motor car engine of motor overall dimension drives the method for attached generator.
Another technical problem that will solve of the present invention provides a kind of simple in structure, and the motor overall dimension is less, can electric power be provided to the on-board air conditioner system, is convenient to the motor car engine that the on-board air conditioner system adopts the integral arrangement structure.
In order to solve the problems of the technologies described above; The technological scheme that the present invention adopts is; A kind of motor car engine drives the method for attached generator; Said generator is a magneto external rotor DC generator, and magneto external rotor DC generator is installed in the inner chamber of automobile engine crankshaft belt pulley, by the front end axle driving of automobile engine crankshaft
A kind of technological scheme of said method motor car engine that realizes is; A kind of motor car engine; Comprise body, bent axle, crank pulley, generator and generator support; Described generator is a magneto external rotor DC generator, and the housing of crank pulley is as the yoke of rotor, and the permanent magnet of generator amature is fixed on the inwall of crank pulley housing; The stator of said generator comprises winding and stator axis, and through the bearing supporting, the front end of stator axis is connected with generator support the stator axis of generator by rotor.
Above-described motor car engine; Described generator support is fixed on the body; The front end of said stator axis comprises the axle journal of non-circular cross-section; Generator support comprises and the hole of the adaptive non-circular cross-section of the front end non-circular cross-section axle journal of stator axis, leaves the gap between described non-circular cross-section axle and the non-circular cross-section hole.
Above-described motor car engine, described generator support comprises carriage, fore poppet and elastic element, and described fore poppet is fixed on the front portion of carriage through elastic element, and the rear portion of carriage is fixed on the described frame; The front end of said stator axis is fixed on the top of fore poppet.
Above-described motor car engine, described generator are the air-conditioning generators.
Motor car engine of the present invention can provide electric power to the on-board air conditioner system, and the air-conditioning generator arrangements need not belt drives in the inner chamber of automobile engine crankshaft front end crank pulley, and engine structure is simple, is convenient to the on-board air conditioner system and adopts the integral arrangement structure.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is motor car engine embodiment's 1 an of the present invention structural representation.
Fig. 2 is that A among Fig. 1 is to view.
Fig. 3 is motor car engine embodiment's 2 an of the present invention structural representation.
Fig. 4 is motor car engine embodiment's 3 an of the present invention structural representation.
Fig. 5 is motor car engine embodiment's 4 an of the present invention structural representation.
Fig. 6 is motor car engine embodiment's 5 an of the present invention structural representation.
[embodiment]
In the embodiment 1 of Fig. 1, motor car engine of the present invention shown in Figure 2, motor car engine comprises crank pulley 2, air-conditioning generator and the generator support 7 of body 1, bent axle, cast iron or cast steel.Body 1 comprises cylinder body and timing gear housing.The air-conditioning generator is a magneto external rotor direct current air-conditioning generator, and the housing 201 of the annular of crank pulley 2 is as the part of air-conditioning generator external rotor.
The rear end of crank pulley 2 is fixed on the front end axle 801 of bent axle through nut 6.The permanent magnet 3 of forming air-conditioning generator external rotor N, S magnetic pole is fixed on the inwall of crank pulley housing 201, and the housing 201 of crank pulley annular is as the yoke of rotor.
The stator of air-conditioning generator comprises winding 4 and stator axis 5, and stator axis 5 is passed through needle roller bearing support by bent axle.There is the supporting axle 802 that is used for supporting stator the front of crankshaft front end axle 801.There is support holes 501 at the center of air-conditioning generator unit stator axle 5, and supporting axle 802 is inserted in the support holes 501, and needle bearing 6 is installed between supporting axle 802 and the support holes 501.
Generator support 7 comprises carriage 701 and fore poppet 702, and fore poppet is fixed on the front portion of carriage 701 through screw 10, the rear portion of carriage 702 through screw on frame 1.
The front end of stator axis 5 is axle journals 502 of non-circular cross-section, and the cross section of the axle journal 502 of non-circular cross-section can be the Any shape except that circular, and like ellipse, spline shape, rectangle, triangle or the like, in the present embodiment, the cross section of axle journal 502 is a rectangle.Fore poppet 702 has the hole 703 with the suitable non-circular cross-section of axle journal 502, is convenient to axle journal 502 and inserts, and stop stator axis 5 when work, to be rotated.In order to remedy assembly error, avoid the stator of air-conditioning generator is produced unnecessary constraint, leave enough gaps between axle journal 502 and the hole 703.
Because supporting axle 802 is longer, stator axis 5 can be fully passed through needle roller bearing support by the supporting axle 802 of bent axle.The axial displacement of stator axis 5 is placed restrictions on by fore poppet 702.
Among the embodiment 2 of motor car engine of the present invention shown in Figure 3, with embodiment 1 difference be, the front end of stator axis 5 is fixedly connected with the top of nut 14 with fore poppet 702 through flat key 13.Stator axis 5 can not move axially with respect to fore poppet 702, can not circumferentially rotate, and in order to remedy assembly error, avoids the stator of air-conditioning generator is produced unnecessary constraint, is connected through cushion 703 between fore poppet 702 and the carriage 701.
The embodiment 3 of motor car engine of the present invention shown in Figure 4 is that stator 5 is by fore bearing 12 and rear bearing 11 supportings with embodiment 1 difference.There is the bearing journal 803 of 1 stator the front of crankshaft front end axle 801, and what there was 1 installation rear bearing the rear end of the stator axis 5 of air-conditioning generator holds hole 503.The rear bearing 11 of stator 5 is installed in crankshaft support axle journal 803 and the stator axis rear bearing holds between the hole 503.There is the bearing journal 504 of fore bearing the front portion of the stator axis 5 of air-conditioning generator; The bearing cap 203 usefulness screws of fore bearing are installed in the front end of crank pulley 2; There is the hole of holding of fore bearing in the central authorities of bearing cap 203, and the fore bearing that the fore bearing 12 of stator is installed in stator axis 5 bearing journals 504 and bearing cap 203 holds between the hole.
The embodiment 4 of motor car engine of the present invention shown in Figure 5 and embodiment 3 difference are equivalent to embodiment 2 and embodiment's 1 difference.The front end of stator axis 5 is fixedly connected with the top of nut 14 with fore poppet 702 through flat key 13.Stator axis 5 can not move axially with respect to fore poppet 702, can not circumferentially rotate, and in order to remedy assembly error, avoids the stator of air-conditioning generator is produced unnecessary constraint, is connected through cushion 703 between fore poppet 702 and the carriage 701.
Among the embodiment 5 of motor car engine of the present invention shown in Figure 6, motor car engine comprises crank pulley 2, air-conditioning generator and the generator support 7 of body 1, bent axle, cast iron or cast steel.Body 1 comprises cylinder body and timing gear housing.The air-conditioning generator is a magneto external rotor direct current air-conditioning generator, and the housing 201 of the annular of crank pulley 2 is as the part of air-conditioning generator external rotor.
The rear end of crank pulley 2 is fixed on the front end axle 801 of bent axle through nut 6.The permanent magnet 3 of forming air-conditioning generator external rotor N, S magnetic pole is fixed in the inner chamber of crank pulley housing 201, and the housing 201 of crank pulley annular is as the yoke of rotor.
Generator support 7 comprises carriage 701 and fore poppet 702, and fore poppet is fixed on the front portion of carriage 701 through screw 10, the rear portion of carriage 702 through screw on frame 1.
Stator 5 is by fore bearing 12 and rear bearing 11 supportings.The rear end of crank pulley 2 is fixed on through set screw 6 on the front end axle 801 of bent axle, the rear portion of crank pulley 2 inner chambers have rear bearing is installed hold hole 202, there is the axle journal 501 that rear bearing is installed 5 rear ends of the stator axis of generator.The rear bearing that the rear bearing 11 of stator axis 5 is installed in crank pulley holds between hole 202 and the stator axis axle journal 501.There is the bearing journal 504 of fore bearing the front portion of the stator axis 5 of air-conditioning generator; The bearing cap 203 usefulness screws of fore bearing are installed in the front end of crank pulley 2; There is the hole of holding of fore bearing in the central authorities of bearing cap 203, and the fore bearing that the fore bearing 12 of stator is installed in stator axis 5 bearing journals 504 and bearing cap 203 holds between the hole.
In order to guarantee compact structure, there is 1 axial bore 503 that holds set screw 6 heads the rear end of stator axis 5, and the head of set screw 6 stretches into axial bore 503, can reduce the overall length of structure.
The front end of stator axis 5 is fixedly connected with the top of nut 14 with fore poppet 702 through flat key 13.Stator axis 5 can not move axially with respect to fore poppet 702, can not circumferentially rotate, and in order to remedy assembly error, avoids the stator of air-conditioning generator is produced unnecessary constraint, is connected through cushion 703 between fore poppet 702 and the carriage 701.
The above embodiment's motor car engine of the present invention not only can provide electric power to the on-board air conditioner system; The air-conditioning generator arrangements is in the inner chamber of automobile engine crankshaft front end crank pulley; Need not to take additional space; Also need not drive through belt, engine structure is simple, is convenient to the on-board air conditioner system and adopts whole layout.
Claims (5)
1. a motor car engine drives the method for attached generator; It is characterized in that; Said generator is a magneto external rotor DC generator, and magneto external rotor DC generator is installed in the inner chamber of automobile engine crankshaft belt pulley, by the front end axle driving of automobile engine crankshaft.
2. motor car engine; Comprise body, bent axle and crank pulley; It is characterized in that, comprise generator and generator support, described generator is a magneto external rotor DC generator; The housing of crank pulley is as the yoke of rotor, and the permanent magnet of generator amature is fixed on the inwall of crank pulley housing; The stator of said generator comprises winding and stator axis, and through the bearing supporting, the front end of stator axis is connected with generator support the stator axis of generator by rotor.
3. motor car engine according to claim 2; It is characterized in that; Described generator support is fixed on the body; The front end of said stator axis comprises the axle journal of non-circular cross-section, and generator support comprises and the hole of the adaptive non-circular cross-section of the front end non-circular cross-section axle journal of stator axis, leaves the gap between described non-circular cross-section axle and the non-circular cross-section hole.
4. motor car engine according to claim 2 is characterized in that described generator support comprises carriage, fore poppet and elastic element, and described fore poppet is fixed on the front portion of carriage through elastic element, and the rear portion of carriage is fixed on the described frame; The front end of said stator axis is fixed on the top of fore poppet.
5. motor car engine according to claim 2 is characterized in that, described generator is the air-conditioning generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103463995A CN102505988A (en) | 2011-08-25 | 2011-11-04 | Method for driving accessory generator of automotive engine, and automotive engine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246512.2 | 2011-08-25 | ||
| CN201110246512 | 2011-08-25 | ||
| CN2011103463995A CN102505988A (en) | 2011-08-25 | 2011-11-04 | Method for driving accessory generator of automotive engine, and automotive engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102505988A true CN102505988A (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103463995A Pending CN102505988A (en) | 2011-08-25 | 2011-11-04 | Method for driving accessory generator of automotive engine, and automotive engine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10125703A1 (en) * | 2001-05-25 | 2002-11-28 | Ina Schaeffler Kg | Auxiliary unit, especially electric generating set for combustion engine, has annulus mounted on drive shaft and meshing with planetary wheels |
| DE10253495A1 (en) * | 2001-12-14 | 2003-09-11 | Ina Schaeffler Kg | Free-wheel device for belt-driven starter generator has two axially offset free-wheel devices in annular gap with opposing working principles, direction dependent locking, free-wheel functions |
| CN101087077A (en) * | 2006-06-07 | 2007-12-12 | 梁昌勇 | Automobile permanent magnetic generator without front and rear cover |
| CN201137518Y (en) * | 2008-01-10 | 2008-10-22 | 陈维加 | Opposed type generator |
| US20090166108A1 (en) * | 2005-11-01 | 2009-07-02 | Polaris Industries Inc. | Mobile inverter generator |
| CN202391564U (en) * | 2011-08-26 | 2012-08-22 | 湖南华强电气有限公司 | Automotive engine |
-
2011
- 2011-11-04 CN CN2011103463995A patent/CN102505988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10125703A1 (en) * | 2001-05-25 | 2002-11-28 | Ina Schaeffler Kg | Auxiliary unit, especially electric generating set for combustion engine, has annulus mounted on drive shaft and meshing with planetary wheels |
| DE10253495A1 (en) * | 2001-12-14 | 2003-09-11 | Ina Schaeffler Kg | Free-wheel device for belt-driven starter generator has two axially offset free-wheel devices in annular gap with opposing working principles, direction dependent locking, free-wheel functions |
| US20090166108A1 (en) * | 2005-11-01 | 2009-07-02 | Polaris Industries Inc. | Mobile inverter generator |
| CN101087077A (en) * | 2006-06-07 | 2007-12-12 | 梁昌勇 | Automobile permanent magnetic generator without front and rear cover |
| CN201137518Y (en) * | 2008-01-10 | 2008-10-22 | 陈维加 | Opposed type generator |
| CN202391564U (en) * | 2011-08-26 | 2012-08-22 | 湖南华强电气有限公司 | Automotive engine |
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Application publication date: 20120620 |