CN102817708A - Automotive generator unit - Google Patents
Automotive generator unit Download PDFInfo
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- CN102817708A CN102817708A CN201110154488XA CN201110154488A CN102817708A CN 102817708 A CN102817708 A CN 102817708A CN 201110154488X A CN201110154488X A CN 201110154488XA CN 201110154488 A CN201110154488 A CN 201110154488A CN 102817708 A CN102817708 A CN 102817708A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention relates to the field of automobile power, in particular to an automotive generator unit. The automotive generator unit comprises stators, rotors and casings, and is characterized in that a generator system comprises two generators, the first generator for an automotive air-conditioning electric compressor is used for supplying electric power for an automotive air-conditioning electric compressor system, the second generator is used for supplying power to other automotive electrical equipment, a driving shaft of the first generator rotor and an engine crankshaft are the same one, the second generator is positioned on the side face or the upper side of an engine, a driving shaft of the second generator rotor is connected with the engine crankshaft through a belt or a chain, the engine drives the driving shafts of the two generators to rotate, the second generator is a generator-starter all-in-one machine, a voltage stabilizer is arranged at an output end of each of the first generator and the second generator, the output voltage of the first generator is 42 volts, and the output voltage of the second generator is 14 volts. By the aid of the scheme, noise and vibration of the generators and the engine of an automobile are greatly reduced, and stability of power supply to the electric compressor is guaranteed while higher requirements of electrical equipment on the electric power are also met.
Description
Technical field
The present invention relates to the automobile power field, be specifically related to a kind of electric power generator of automobile mounted electrical equipment.
Background technique
At present; The electric power generator of electric apparatus mounted on vehicle---generator is positioned at the side of motor car engine on the automobile; Connect with the bent axle of motor car engine through the live axle of belt generator; Drive the drive shaft turns of generator by the bent axle of motor car engine, thereby make generator for electricity generation, for the electrical equipment on the automobile provides electric power.And the device that electric power is provided on the present automobile all is a motor.Along with the electrical equipment on the automobile is more and more, single electric system originally to motor and motor require increasingly high, thereby cause electric machine structure and linkage structure to become increasingly complex; Cost is high all the more, and simultaneously, air condition compressor all is to drive through motor now on the automobile; This mode is when closed door on the way during high speed operation, and engine speed is fast, and the power of supplying with compressor is far longer than needs; But when idle running, but the power of supply compressor can not be satisfied the demand.In addition, owing to increasing of electrical equipment, the circuit on the car also becomes increasingly complex, and many accurate electrical equipment have higher requirement to the stability of voltage output simultaneously, thereby have more increased the complexity of motor.Thereby whole motor and engine system are broken down more easily.
Summary of the invention
The technical problem that the present invention will solve is the above-mentioned shortcoming that overcomes in the vehicle electric power generator, and a kind of generator unit of novel automobile is provided.
The present invention improves on the basis of existing technology, and a kind of generator unit of automobile comprises the stator of generator, the rotor of generator, the case of generator; It is characterized in that; Said generator system comprises two generators, and first generator is the generator of motor compressor for vehicle air conditioner, for the motor compressor system of car air conditioner provides electric power; Second generator is given other electric power supply of automobile, and the first generator amature live axle and engine crankshaft are the same axis; Second generator be positioned at the motor side or above; The second generator amature live axle connects with engine crankshaft through belt or chain; The drive shaft turns of two generators of engine-driving, second generator are the dyastart integrated machine, and the output terminal of first generator and second generator is provided with voltage stabilizer; The output voltage of first generator is 42 volts, and the output voltage of second generator is 14 volts.
The present invention has adopted the dual-motor powering mode with initiating, and innovation ground is installed in one of them generator in the place ahead of motor car engine.Through coupling generator is connected with motor, the noise of motor car engine and generator reduces with vibration greatly.The compressor of this car air conditioner adopts motor compressor, and adopts a generator specially to supply power to motor compressor.Like this, the generator that can make motor compressor separates with the generator of other electrical equipment, guarantees the stability of motor compressor power supply, has also satisfied the requirements at the higher level of electrical equipment to electric power simultaneously.Another generator is fixed on the motor, and the generator case can become whole case with the engine hood hull shape like this, and beautiful shape is saved material, and increased Security.Characteristic of the present invention is that also the output voltage of said first generator is 42 volts, and the output voltage of second generator is 14 volts.Generator of the present invention provides 42V output voltage or 14V output voltage or 42V and two output voltages of 12V; Adopt more energy saving of 42V output voltage; Also can satisfy simultaneously the electric power needs of more and more electrical equipments; And 14V goes for present automotive electrical system, adopts the two voltages of 42V/14V, can supporting power supply system be provided for transitting to the 42V electrical equipment process from now 14V electrical equipment.Characteristic of the present invention is that also second generator is the dyastart integrated machine.Like this, can reduce special starter motor, conserve space, and can the quick starting motor car engine.
Characteristic of the present invention is that also said second generator is fixed on the automobile engine body.Generator is fixed on the engine body, and more conserve space is convenient to install better other device.
Characteristic of the present invention is that also said motor car engine is an internal-combustion engine.The I. C. engine cost is low, also can be for dual-motor provide enough power, thereby both satisfied the automobile power needs, also better satisfy generator power needs.
Characteristic of the present invention is that also said motor car engine is a hybrid power engine.When using hybrid power engine, one of them generator of the present invention can be used as the Engine-Generator integrated machine, for engine start provides power, can remove engine starting gear from like this, conserve space, and ato unit rapidly.
Characteristic of the present invention is that also one of them or two generators are permanent magnetic DC generators, and described rotor comprises the magnetic pole of permanent magnet.The permanent magnetic DC generator has characteristics such as power supply is stable, and its efficient and specific power are high, and reliability is high and easy to use.
Characteristic of the present invention is also that also but one of them or two generators are desk permanent-magnet synchronous generators.Advantage such as that the desk permanent-magnet synchronous generator has is simple in structure, efficient robust, compact structure, ventilation effect are good.
Characteristic of the present invention is that also first generator configuration has the controller of regulating output voltage.Like this, can conveniently control the output voltage of generator, guarantee to have stable voltage to supply with air-conditioning system, thereby improve the working life of the motor compressor of air-conditioning.
Characteristic of the present invention is that also the rotor drive shaft of second generator is connected with the generator engaging and disengaging gear.Like this, guarantee to transmit the peak torque that motor sends, and also have certain transmitting torque surplus energy; During separation, thoroughly separate, soft during joint, and have good heat dissipation potential; The rotary inertia of secondary part is as far as possible little, and when cut-off clutch, the rotating ratio of the part that links to each other with engine crankshaft is easier to change, thereby alleviates the impact that brings in the transmission process; Have the sense of rotation of mitigation and impact, decay is to the ability of generator transmitting vibrations, and noise is little; Friction factor changes little, working stability; Handle laborsaving, maintenance convenient.
Characteristic of the present invention also is on the internal surface of belt bumps formation is arranged.Like this; Effectively solve elasticity sliding motion that the belt pulley transmission brought and problem such as skid, improve transmission efficiency and can keep velocity ratio accurately, when same big peripheral force is transmitted in the belt pulley transmission; Overall size reduces with the axle upward pressure, and the life-span of belt pulley drivign belt prolongs.
Characteristic of the present invention also is, the diameter pulley on the engine crankshaft greater than, be equal to or less than the diameter pulley on second generator amature.Like this; Can change generator amature and the synchronous operated ratio of engine crankshaft effectively; Thereby utilize the transmission ability of engine crankshaft to greatest extent, improve the output electric weight of generator, and can be at engine crankshaft or/and the belt wheel group of multiple diameter is set on the generator amature simultaneously; Regulate arbitrarily on the belt pulley that belt turns to any size through controlling device, reach the effect of regulating speed change.
Characteristic of the present invention is that also first generator is fixed on the automobile chassis.Like this, the generator unit stator shell can be bearing on the stator bracket through elastic element, and stator bracket is installed on the automobile engine body; The mounting screw hole of stator bracket can be slotted hole, and the height of stator bracket can up-down adjustment, to guarantee that carriage has suitable supporting force to stator; Stator bracket top can be provided with support plate; Elastic member can be rubber pad, and rubber pad is installed between the supporting plate and support plate of stator casing bottom, and this supporting structure supporting is firm; Both can prevent that stator from rotating, and can reduce the stressed of bearing and air-conditioning generator drive shaft again.
Characteristic of the present invention is that also first generator is fixed on the vehicle frame of automobile.Like this, the generator unit stator shell can be bearing on the stator bracket through elastic element, and stator bracket is installed on the vehicle frame of automobile; The mounting screw hole of stator bracket can be slotted hole, and the height of stator bracket can up-down adjustment, to guarantee that carriage has suitable supporting force to stator; Stator bracket top can be provided with support plate; Elastic member can be rubber pad, and rubber pad is installed between the supporting plate and support plate of stator casing bottom, and this supporting structure supporting is firm; Both can prevent that stator from rotating, and can reduce the stressed of bearing and air-conditioning generator drive shaft again.
Characteristic of the present invention is that also the rotor shaft of first generator is hollow shaft or solid shaft.Like this, when the rotor shaft of air-conditioning generator is a hollow shaft, mainly be the problem of the mechanics of materials in the engineering mechanics, because transmission shaft only need bear warping stress; That is to say that the deformation on the transmission shaft has only distortion, the cross section of transmission shaft is a circle, when axle receives warping force; From place far away more, the center of circle, the stress that receives is big more, and near more place, the center of circle, the stress that receives is more little; The power that circle centre position receives is " 0 ", so at this moment, empties the center of circle, and what influence axle is not had; And, but can practice thrift wide variety of materials for production firm, and this does not does not use inferior materials and turn out substandard goods, and this is rational saving; And if the power of bearing is except warping stress; Also have shearing stress, flexural stress, the power that it bears is many, big and complicated, perhaps transmission system pass fast height and speed change frequently, the speed change radian is big; In order to satisfy the requirement of strength and stiffness, the rotor shaft of generator must be made solid shaft.
Characteristic of the present invention is that also first generator or second generator are the alternating current asynchronous generator.Like this, compare with DC generator, the alternator volume is little, light weight, and when the I. C. engine low-speed running, still can continuous firing, and fault is few, and long service life is guaranteed to keep in good repair easy.
Characteristic of the present invention is that also first generator or second generator are claw pole electric generator.Claw pole electric generator has torque and specific power is high, simple in structure and advantage such as low cost of manufacture.
Characteristic of the present invention is that also the output terminal of first generator and second generator is provided with voltage stabilizer.Like this; Can adjust output voltage automatically; Voltage is stabilized in the range of set value; Automotive air-conditioning system can be reduced unsettled voltage and cause mortal injury or misoperation to air-conditioning system in proper functioning under the rated operational voltage, reduce that influence is used, the wearing out, influence working life even burn accessory even the loss of many-sided unfavorable factors such as security incident takes place of air-conditioning system.
Description of drawings
Fig. 1 is one of the structural representation of the generator unit of automobile of the present invention.
Fig. 2 be automobile of the present invention the generator unit structural representation two.
Fig. 3 be automobile of the present invention the generator unit structural representation three.
Fig. 4 be automobile of the present invention the generator unit structural representation four.
Embodiment
Below further specify the present invention through embodiment preferred.
Embodiments of the invention improve on the basis of existing technology, and a kind of generator unit of automobile comprises the stator of generator, the rotor of generator, the case of generator; It is characterized in that; Said generator system comprises two generators, and first generator is the generator of motor compressor for vehicle air conditioner, for the motor compressor system of car air conditioner provides electric power; Second generator is given other electric power supply of automobile, and the first generator amature live axle and engine crankshaft are the same axis; Second generator be positioned at the motor side or above; The second generator amature live axle connects with engine crankshaft through belt or chain; The drive shaft turns of two generators of engine-driving, second generator are the dyastart integrated machine, and the output terminal of first generator and second generator is provided with voltage stabilizer; The output voltage of first generator is 42 volts, and the output voltage of second generator is 14 volts.As shown in Figure 1; The generator unit of automobile of the present invention comprises 1 of automobile engine, first generator 15 and second generator 2; First generator is the generator of motor compressor, and specially to the motor compressor power supply, first generator comprises stator 16, rotor 17 and the case 20 of first generator; Rotor connects with rotor drive shaft 14; Motor car engine comprises that engine body 3 and bent axle 4, the first generators are positioned at the place ahead of motor car engine, and the rotor drive shaft 14 of the automobile engine crankshaft 4 and first generator 15 is a same axis; Second generator 2 is to other electric equipment power supply on the automobile; Second generator comprises stator 6, rotor 7 and the case 5 of second generator; Second generator is positioned at the side of motor car engine, and belt 11 connects the belt pulley on the belt pulley on the automobile crane 4 10 and the second generator amature live axle 24 12; The rotor shaft that engine crankshaft drives first generator and second generator rotates; Second generator is the dyastart integrated machine; The output terminal of first generator and second generator is provided with voltage stabilizer; The output voltage of first generator is 42 volts, and the output voltage of second generator is 14 volts, and second generator 2 is the dyastart integrated machine.Like this, can reduce special starter motor, conserve space, and can the quick starting motor car engine.
Another embodiment of the present invention is as shown in Figure 2; The generator unit of automobile of the present invention comprises 1 of automobile engine, first generator 15 and second generator 2; First generator is the generator of motor compressor, and specially to the motor compressor power supply, first generator comprises stator 16, rotor 17 and the case 20 of first generator; Rotor connects with rotor drive shaft 14; Motor car engine comprises that engine body 3 and bent axle 4, the first generators are positioned at the place ahead of motor car engine, and the rotor drive shaft 14 of the automobile engine crankshaft 4 and first generator 15 is a same axis; Second generator 2 is to other electric equipment power supply on the automobile; Second generator comprises stator 6, rotor 7 and the case 5 of second generator; Second generator is positioned at the top of motor car engine, and belt 11 connects the belt pulley on the belt pulley on the automobile crane 4 10 and the second generator amature live axle 24 12; The rotor shaft that engine crankshaft drives first generator and second generator rotates.
As a kind of improvement, characteristic of the present invention also is, with housing and whole case of second generator case formation of car engine; As another kind distortion, the case that housing and first, second motor case of motor car engine is set as an integral body.
Another embodiment of the present invention is on the foregoing description basis, and the output voltage of first generator is that 42 volts, the output voltage of second generator are 14 volts.As the distortion of present embodiment, the output voltage that also can design first generator is that 14 volts, the output voltage of second generator are 42 volts, can two motors all be 14 volts or 42 volts also.
Generator of the present invention provides 42V output voltage or 14V output voltage or 42V and two output voltages of 12V; Adopt more energy saving of 42V output voltage; Also can satisfy simultaneously the electric power needs of more and more electrical equipments; And 14V goes for present automotive electrical system, adopts the two voltages of 42V/14V, can supporting power supply system be provided for transitting to the 42V electrical equipment process from now 14V electrical equipment.
Characteristic of the present invention also is second generator is fixed on the automobile engine body.As shown in Figure 3, second generator is fixed on the engine body.Another program of the present invention, first generator is fixed on the automobile chassis.As shown in Figure 1, the present invention is fixed on first generator on the automobile chassis.As the distortion of this programme, first generator also can be fixed on the vehicle frame of automobile.
Characteristic of the present invention is that also said motor car engine is an internal-combustion engine.Shown in Fig. 1-3, motor car engine of the present invention can adopt internal-combustion engine.As a kind of distortion, the present invention program also can replace to hybrid power engine with internal-combustion engine.When using hybrid power engine; One of them generator in first motor of the present invention or second motor can be used as the Engine-Generator integrated machine, for engine start provides power, can remove engine starting gear from like this; Conserve space, and ato unit rapidly.
Characteristic of the present invention is that also one of them or two generators are permanent magnetic DC generators, and described rotor comprises the magnetic pole of permanent magnet.As shown in Figure 1, said first generator and second generator all are the permanent magnetic DC generators, and rotor 7 and rotor 17 all comprise the magnetic pole of permanent magnet.As the distortion of this programme, also can one of them or two generators be replaced with the desk permanent-magnet synchronous generator.Other deformation program is that first generator or second generator are the alternating current asynchronous generator; First generator also can be claw pole electric generator.
Characteristic of the present invention is that also first generator configuration has the controller of regulating output voltage.As shown in Figures 2 and 3, in first generator, dispose the controller 18 of regulating output voltage, in the case of the fixing upward motor of controller.
Characteristic of the present invention is that also the rotor drive shaft of second generator is connected with the generator engaging and disengaging gear.As shown in Figure 3, be connected with generator engaging and disengaging gear 25 on the rotor drive shaft of first generator, engaging and disengaging gear control generator amature live axle connects with coupling, and engaging and disengaging gear is arranged on the case of first generator.
As the further improvement of such scheme, the internal surface of belt is provided with bumps formation.
As the distortion of such scheme, the diameter pulley on the engine crankshaft greater than, be equal to or less than the diameter pulley on second generator amature.
Characteristic of the present invention is that also the rotor shaft of first generator is a solid shaft.Like this, when the rotor shaft of air-conditioning generator is a hollow shaft, like Fig. 1, shown in Figure 2, the rotor shaft of generator is a solid shaft.As the distortion of this programme, also can the rotor shaft of first generator be made as hollow shaft.
Characteristic of the present invention is that also the output terminal of first generator and second generator is provided with voltage stabilizer.As shown in Figure 4, first generator output end of present embodiment is provided with voltage stabilizer 19, also can all be provided with voltage stabilizer by two generators.
Claims (3)
1. the generator unit of an automobile; Comprise the stator of generator, the rotor of generator, the case of generator, it is characterized in that said generator system comprises two generators; First generator is the generator of motor compressor for vehicle air conditioner; For the motor compressor system of car air conditioner provides electric power, second generator is given other electric power supply of automobile, and the first generator amature live axle and engine crankshaft are the same axis; Second generator be positioned at the motor side or above; The second generator amature live axle connects with engine crankshaft through belt or chain; Engine crankshaft drives the drive shaft turns of two generators, and second generator is the dyastart integrated machine, and the output terminal of first generator and second generator is provided with voltage stabilizer; The output voltage of first generator is 42 volts, and the output voltage of second generator is 14 volts.
2. the generator unit of used for automobile air conditioning motor compressor according to claim 1 is characterized in that, said second generator is fixed on the automobile engine body.
3. according to the generator unit of claim 1 or 2 described used for automobile air conditioning motor compressors, it is characterized in that said motor car engine is an internal-combustion engine; Perhaps said motor car engine is a hybrid power engine; Perhaps said first generator and two motors of second generator one of them or two generators are permanent magnetic DC generators, and described rotor comprises the magnetic pole of permanent magnet; Perhaps said first generator and two motors of second generator one of them or two generators are desk permanent-magnet synchronous generators; Perhaps first generator configuration has the controller of regulating output voltage; Perhaps the rotor drive shaft of second generator is connected with the generator engaging and disengaging gear; Perhaps on the internal surface of belt bumps formation is arranged; Perhaps the diameter pulley on the engine crankshaft greater than, be equal to or less than the diameter pulley on second generator amature; Perhaps first generator is fixed on the automobile chassis; Perhaps first generator is fixed on the vehicle frame of automobile; Perhaps the rotor shaft of first generator is hollow shaft or solid shaft; Perhaps first generator or second generator are the alternating current asynchronous generator; Perhaps first generator or second generator are claw pole electric generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110154488XA CN102817708A (en) | 2011-06-10 | 2011-06-10 | Automotive generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110154488XA CN102817708A (en) | 2011-06-10 | 2011-06-10 | Automotive generator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102817708A true CN102817708A (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110154488XA Pending CN102817708A (en) | 2011-06-10 | 2011-06-10 | Automotive generator unit |
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| Country | Link |
|---|---|
| CN (1) | CN102817708A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277189A (en) * | 2013-04-27 | 2013-09-04 | 东风朝阳朝柴动力有限公司 | Diesel engine arrangement structure with double electric generators |
| CN105952528A (en) * | 2016-07-13 | 2016-09-21 | 伟能机电设备(深圳)有限公司 | Engine set arranging structure with medium/low-pressure double generators |
-
2011
- 2011-06-10 CN CN201110154488XA patent/CN102817708A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277189A (en) * | 2013-04-27 | 2013-09-04 | 东风朝阳朝柴动力有限公司 | Diesel engine arrangement structure with double electric generators |
| CN105952528A (en) * | 2016-07-13 | 2016-09-21 | 伟能机电设备(深圳)有限公司 | Engine set arranging structure with medium/low-pressure double generators |
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Application publication date: 20121212 |