CN101746246B - Power generation device capable of assisting engine and power generation method - Google Patents
Power generation device capable of assisting engine and power generation method Download PDFInfo
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- CN101746246B CN101746246B CN200810183964.9A CN200810183964A CN101746246B CN 101746246 B CN101746246 B CN 101746246B CN 200810183964 A CN200810183964 A CN 200810183964A CN 101746246 B CN101746246 B CN 101746246B
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Abstract
The invention relates to a power generation device capable of assisting an engine and a power generation method which are used for providing assistant power to a transmission shaft of the engine when the engine transmits power to the transmission shaft of the engine by a gear box. The power generation device comprises a power supply, a driver and a DC motor, wherein the power supply is used for supplying high-voltage power source; the driver is used for converting the high-voltage power source into driving power source and transmitting the driving power source; the DC motor is used for converting the driving power source transmitted by the driver into assistant power and transmitting the assistant power to the transmission shaft of the engine; in addition, the rotating speed of the DC motor for driving the transmission shaft of the engine is higher than that of the engine for driving the transmission shaft, so as to provide the assistant power to the transmission shaft of the engine.
Description
Technical field
The present invention about a kind of electric power utilizing driving engine to produce is to produce the device and method of auxiliary power, especially about a kind of reduce consumption of fuel can the power generation arrangement of auxiliary engine and method.
Background technology
Fuel-efficient, energy-conservation and environmental protection is the problem of 21st century global human demand, United Nations invites more than 100 country manager signing " Kyoto Protocol " on February 6th, 2005 in Japan, wish that countries in the world observe the restriction to CO2 emissions inside deadline, avoid earth environment weather continuous worsening, and do from carbon reduction policy.
In August, 2008, Waste Era of Oil arrived, and every barrel of crude oil is up to 150 dollars, and make the fuel cost of countries in the world automobile, steamer and aircraft surging, shade is coverd with in economic development, and even many countries cause because of oil price and jump in prices.The ice sheet at the two poles of the earth, earth north and south bursts apart gradually and incorporates sea, weather high progression simultaneously, and many meteorologies and scientist constantly appeal that carbon reduction is observed in the whole world, to rescue mankind's great calamity.
Under fuel-efficient, environmental protection demand, there is oily electric hybrid vehicle to come out.Such as US Patent the 5th, 935, No. 040 publication institute carrier technology, simultaneously its groundwork possesses explosive motor and servomotor on automobile, and there is extremely high-capacity storage battery to store electric power when the engine running, in storage battery, store electric power reach to a certain degree, can kill engine and travel by means of only servo motor driven vehicle, and driving engine and servomotor can be made where necessary to operate, to provide larger Power output simultaneously.
But oily electric hybrid vehicle needs the servomotor of high-power, with the transmission shaft exporting larger torsion to transmit, and need high-capacity battery to supply power supply for a long time, therefore increase sizable equipment cost.Moreover install bulky servomotor and battery in vehicle finite space, be quite difficult for design and installation.
Summary of the invention
The object of this invention is to provide a kind of can the power generation arrangement of auxiliary engine and method, in vehicle travels, especially when low speed driving, power generation arrangement can provide auxiliary power to the transmission shaft of vehicle, to reach fuel-efficient and to subtract the effect of carbon, and there is simple installation and the cheap advantage of equipment cost.
First aspect according to the present invention provide a kind of can the power generation arrangement of auxiliary engine, in order to when this driving engine transmits power to one engine driveshaft by a change speed gear box, auxiliary power can be provided to this engine driveshaft, this power generation arrangement comprises: a power supply unit, in order to supply high-tension power supply; One actuator, also transmits in order to high-tension Power convert to be become driving power; And an electric motor, the driving power in order to be transmitted by this actuator converts auxiliary power to be sent to this engine driveshaft; Wherein, when this driving engine transmits power to this engine driveshaft, this electric motor is made to drive the rotating speed of this engine driveshaft higher than the rotating speed of this this engine driveshaft of engine drive, to provide auxiliary power to this engine driveshaft; Wherein, this electric motor is Direct Current Motor, and this power supply unit comprises: battery or electrical generator, and this electrical generator is by this engine drive; And conv, in order to the low voltage transition of this battery or this electrical generator to be become high-tension power supply for should actuator.
Second aspect according to the present invention provide a kind of can the method for generating power of auxiliary engine, in order to when this driving engine transmits power to one engine driveshaft by a change speed gear box, there is provided auxiliary power to this engine driveshaft by a power generation arrangement, this method for generating power comprises the following step: supply high-tension power supply by a power supply unit of this power generation arrangement; Become driving power to be sent to an electric motor of this power generation arrangement high-tension Power convert by an actuator of this power generation arrangement; Driving power is converted to auxiliary power to be sent to this engine driveshaft by this electric motor of this power generation arrangement; And when this driving engine transmits power to this engine driveshaft, make this electric motor drive the rotating speed of this engine driveshaft higher than the rotating speed of this this engine driveshaft of engine drive, to provide auxiliary power to this engine driveshaft; Wherein, this electric motor is Direct Current Motor, and this power supply unit comprises: battery or electrical generator, and this electrical generator is by this engine drive; And conv, in order to the low voltage transition of this battery or this electrical generator to be become high-tension power supply for should actuator.
According to first and second aspect of the present invention, power generation arrangement comprises further: a controller, control signal to this actuator in order to produce one, set the rotating speed of this engine driveshaft driven by this electric motor with the driving power controlling this actuator; One first power transmitting mechanism, in order to transmit the auxiliary power that this electric motor transmits; One toric transmission, in order to transmit the auxiliary power that this first power transmitting mechanism transmits; And one second power transmitting mechanism, in order to transmit auxiliary power that this toric transmission transmits to this engine driveshaft.
According to first and second aspect of the present invention, power generation arrangement comprises further: a controller, control signal to this actuator in order to produce one, set the rotating speed of this engine driveshaft driven by this electric motor with the driving power controlling this actuator; And a power transmitting mechanism, in order to transmit auxiliary power that this electric motor transmits to this engine driveshaft.
Accompanying drawing explanation
Fig. 1 be the first concrete example of the present invention can the schematic diagram of power generation arrangement of auxiliary engine; And
Fig. 2 be the second concrete example of the present invention can the schematic diagram of power generation arrangement of auxiliary engine.
Detailed description of the invention
Fig. 1 be the first concrete example of the present invention can the schematic diagram of power generation arrangement of auxiliary engine.First concrete example of Fig. 1 is that to apply oily electric hybrid vehicle be example, and the general structure of the vehicle of the following stated is that having of this technical field is known known by the knowledgeable usually, does not add explanation at this.
In FIG, when vehicle driving engine (non-icon) combustion fuel and when producing power, when transmitting by a change speed gear box power to one engine driveshaft 10 produced, provide auxiliary power to engine driveshaft 10 by the power generation arrangement 20 of vehicle simultaneously.Power generation arrangement 20 includes following structure.
As shown in Figure 1, the power supply unit be made up of a battery 200 and a conv 207 is in order to supply high-tension power supply, wherein, the Power convert of low voltage (such as 12V) that battery 200 is supplied by conv 207 becomes the power supply of high potential (such as 220V) to be supplied to actuator 208.In another aspect, the electrical generator (non-icon) of vehicle can replace battery 200 in Fig. 1 to supply LVPS to conv 207, and the Power convert of supplied low voltage is become high-tension power supply and is supplied to actuator 208 by conv 207.Wherein, electrical generator driven by driving engine.
The electric energy rotational device be made up of a Direct Current Motor 201 is in order to convert auxiliary power to be sent to one first power transmitting mechanism by driving power.The high potential that conv 207 is supplied is converted to driving power to be sent to Direct Current Motor 201 by one actuator 208.One controller 209 produces one and controls signal to actuator 208, sets the rotating speed of Direct Current Motor 201 with the driving power of control and drive system 208.
The auxiliary power that the first power transmitting mechanism transmission Direct Current Motor 201 be made up of one first timing belt pulley 202, timing belt 2021 and one second timing belt pulley 204 transmits and rotating speed to toric transmission 203, and by toric transmission 203, the rotating speed of Direct Current Motor 201 is carried out speed change.Wherein, the first timing belt pulley 202 is installed in a rotating shaft of Direct Current Motor 201, and the second timing belt pulley 204 is installed in a rotating shaft of toric transmission 203, and timing belt 2021 is sheathed between the first timing belt pulley 202 and the second timing belt pulley 204.
The auxiliary power that the one second power transmitting mechanism transmission toric transmission 203 be made up of unidirectional drive belt pulley 205, drive belt 206 and a drive pulley 11 transmits and the rotating speed after speed change are to engine driveshaft 10.Wherein, unidirectional drive belt pulley 205 is installed in another rotating shaft of toric transmission 203, and drive pulley 11 is installed on engine driveshaft 10, and drive belt 206 is sheathed between unidirectional drive belt pulley 205 and drive pulley 11.Wherein, unidirectional drive belt pulley 205 can be the belt pulley of commercially available unilateral bearing (bearing) structure.
In FIG, the low voltage transition of battery 200 is high-tension power supply by conv 207, and being sent to actuator 208, the control signal of the rotating speed in order to set Direct Current Motor 201 is sent to actuator 208 by controller 209, the driving power transmitted with control and drive system 208.
Actuator 208 transmits driving power and produces rotating speed and auxiliary power to drive Direct Current Motor 201 to rotate, the rotating speed that the rotating speed that Direct Current Motor 201 produces and auxiliary power transmit Direct Current Motor 201 by the first timing belt pulley 202, timing belt 2021 and the second timing belt pulley 204 and the auxiliary power that transmits are to toric transmission 203, and toric transmission 203 is transmitted through the rotating speed of speed change and auxiliary power to engine driveshaft 10 by unidirectional drive belt pulley 205, drive belt 206 and drive pulley 11.
When the actuator 208 controlled by controller 209 transmits driving power to Direct Current Motor 201, Direct Current Motor 201 can be made to be rotated in rotating speed set by controller.When rotating speed lower than engine drive engine driveshaft 10 of the rotating speed (that is toric transmission 203 drives the rotating speed of engine driveshaft 10) of Direct Current Motor 201, because unidirectional rotation only done by unidirectional drive belt pulley 205, and make toric transmission 203 form the situation of idle running, Direct Current Motor 201 also forms the situation of idle running simultaneously, that is Direct Current Motor 201 does not produce auxiliary power with indirectly-acting on engine driveshaft 10, now engine driveshaft 10 the dynamic power all produced by engine combustion fuel provide.
When rotating speed higher than engine drive engine driveshaft 10 of (that is toric transmission 203 drives the rotating speed of engine driveshaft 10) rotating speed of Direct Current Motor 201, then the rotating speed of engine driveshaft 10 is the rotating speed of toric transmission 203 through speed change, and by the first timing belt pulley 202, timing belt 2021, second timing belt pulley 204, unidirectional drive belt pulley 205 and drive belt 206 provide auxiliary power to engine driveshaft 10, that is Direct Current Motor 201 produces auxiliary power with indirectly-acting on engine driveshaft 10, the power required after just can providing this auxiliary power of deduction of driving engine is to engine driveshaft 10, so can reduce the fuel that driving engine will burn, to reach energy-conservation and to subtract the effect of carbon.
Moreover, the battery that battery 200 in Fig. 1 is equipped with for vehicle, do not need to install Large Copacity and the larger battery of volume, and Direct Current Motor 201 volume comes little compared with the servomotor of prior art, therefore comparatively easy at the power generation arrangement installing this concrete example, and the equipment cost of power generation arrangement is more cheap.
Fig. 2 be the second concrete example of the present invention can the schematic diagram of power generation arrangement of auxiliary engine.The assembly that assembly in Fig. 2 is same as Fig. 1 gives identical component symbol, and the description thereof will be omitted.
The structure being different from Fig. 1 is the power transmitting mechanism in Fig. 2.The rotating speed that the power transmitting mechanism transmission Direct Current Motor 201 be made up of the first timing belt pulley 202, timing belt 2021, second timing belt pulley 204, rotating shaft G, unidirectional drive belt pulley 205, drive belt 206 and drive pulley 11 transmits and auxiliary power are to engine driveshaft 10.Wherein, first timing belt pulley 202 is installed in the rotating shaft of Direct Current Motor 201, second timing belt pulley 204 is installed on one end of rotating shaft G, timing belt 2021 is sheathed between the first timing belt pulley 202 and the second timing belt pulley 204, unidirectional drive belt pulley 205 is installed on the other end of rotating shaft G, drive pulley 11 is installed on engine driveshaft 10, and drive belt 206 is sheathed between unidirectional drive belt pulley 205 and this drive pulley 11.
Similarly, actuator 208 transmits driving power and produces rotating speed and auxiliary power to drive Direct Current Motor 201 to rotate, and the rotating speed that Direct Current Motor 201 produces and auxiliary power transmit rotating speed and auxiliary power to engine driveshaft 10 by the first timing belt pulley 202, timing belt 2021, second timing belt pulley 204, rotating speed G, unidirectional drive belt pulley 205, drive belt 206 and drive pulley 11.
When the actuator 208 controlled by controller 209 transmits driving power to Direct Current Motor 201, Direct Current Motor 201 can be made to be rotated in rotating speed set by controller.When rotating speed lower than engine drive engine driveshaft 10 of the rotating speed of Direct Current Motor 201, because unidirectional rotation only done by unidirectional drive belt pulley 205, and make Direct Current Motor 201 form the situation of idle running, that is Direct Current Motor 201 does not produce auxiliary power on engine driveshaft 10, now engine driveshaft 10 the dynamic power all produced by engine combustion fuel provide.
When rotating speed higher than engine drive engine driveshaft 10 of the rotating speed of Direct Current Motor 201, then the rotating speed of engine driveshaft 10 is the rotating speed of Direct Current Motor 201, and by first time rule belt pulley 202, time rule belt 2021, second time rule belt pulley 204, unidirectional drive belt pulley 205 and drive belt 206 provide auxiliary power to engine driveshaft 10, the power required after just can providing this auxiliary power of deduction of driving engine is to engine driveshaft 10, so can reduce the fuel that driving engine will burn, to reach energy-conservation and to subtract the effect of carbon.
Therefore, the specific embodiment of Fig. 2 can reach effect and the advantage of the specific embodiment of Fig. 1 equally.
According to the concrete example of Fig. 1 and Fig. 2 of the present invention, the effect being applied to vehicle is as shown in table 1:
Table 1
In first situation (in the Taibei-express highway-Tai), the mileage number of every liter using power generation arrangement is had to be 11.6 kilometers, and do not use the mileage number of every liter of power generation arrangement to be 7.42 kilometers, in second situation (flat town-express highway-Fragrance Hill-express highway-Ping town), there is the mileage number of every liter using power generation arrangement to be 13.3 kilometers, and do not use the mileage number of every liter of power generation arrangement to be 7.81 kilometers.Can be found by above-mentioned experimental result, power generation arrangement of the present invention is applied in vehicle and really can reaches energy-conservation fuel-efficient effect (all can save energy in first and second situation fuel-efficient reach more than 50%).
In addition, the application of specific embodiments of the invention is not limited to vehicle, also can be widely used in various transport vehicle, and such as steamer, aircraft, military armor car etc., in addition, also can be applicable in the field of thermal electric generation.
Although the present invention describes as above with reference to preferred embodiment and illustrative accompanying drawing, it should not be considered to be restrictive.Be familiar with the content of this operator to its form and specific embodiment and make various amendment, omission and change, all do not leave scope of the present invention.
Claims (10)
1. can the device of auxiliary engine, in order to when this driving engine transmits power to one engine driveshaft by a change speed gear box, auxiliary power can be provided to this engine driveshaft, it is characterized in that, this device comprises:
One power supply unit, in order to supply high-tension power supply;
One actuator, in order to become driving power by high-tension Power convert and to be transmitted; And
One electric motor, the driving power in order to be transmitted by this actuator converts auxiliary power to be sent to this engine driveshaft;
Wherein, when this driving engine transmits power to this engine driveshaft, this electric motor is made to drive the rotating speed of this engine driveshaft higher than the rotating speed of this this engine driveshaft of engine drive, to provide auxiliary power to this engine driveshaft, and
Wherein, this electric motor is Direct Current Motor, and this power supply unit comprises:
Battery or electrical generator, this electrical generator is by this engine drive; And
Conv, in order to become high-tension power supply for should actuator by the low voltage transition of this battery or this electrical generator.
2. device according to claim 1, is characterized in that comprising further:
One controller, controls signal to this actuator in order to produce one, sets the rotating speed of this engine driveshaft driven by this electric motor with the driving power controlling this actuator;
One first power transmitting mechanism, in order to transmit the auxiliary power that this electric motor transmits;
One toric transmission, in order to transmit the auxiliary power that this first power transmitting mechanism transmits; And
One second power transmitting mechanism, in order to transmit auxiliary power that this toric transmission transmits to this engine driveshaft.
3. device according to claim 2, it is characterized in that, this first power transmitting mechanism is made up of one first timing belt pulley, a timing belt and one second timing belt pulley, this first timing belt pulley is installed on this electric motor, this second timing belt pulley is installed on this toric transmission, and this timing belt is sheathed between this first timing belt pulley and this second timing belt pulley; This second power transmitting mechanism is made up of a unidirectional drive belt pulley, a drive belt and a drive pulley, this unidirectional drive belt pulley is installed on this toric transmission, this drive pulley is installed on this engine driveshaft, and this drive belt is sheathed between this unidirectional drive belt pulley and this drive pulley.
4. device according to claim 1, is characterized in that comprising further:
One controller, controls signal to this actuator in order to produce one, sets the rotating speed of this engine driveshaft driven by this electric motor with the driving power controlling this actuator; And
One power transmitting mechanism, in order to transmit auxiliary power that this electric motor transmits to this engine driveshaft.
5. device according to claim 4, it is characterized in that, this power transmitting mechanism is by one first timing belt pulley, one timing belt, one second timing belt pulley, one rotating shaft, one unidirectional drive belt pulley, one drive belt and a drive pulley formed, this first timing belt pulley is installed on this electric motor, this second timing belt pulley is installed in this rotating shaft, this timing belt is sheathed between this first timing belt pulley and this second timing belt pulley, this unidirectional drive belt pulley is installed in this rotating shaft, this drive pulley is installed on this engine driveshaft, this drive belt is sheathed between this unidirectional drive belt pulley and this drive pulley.
6. can the method for auxiliary engine, in order to when this driving engine transmits power to one engine driveshaft by a change speed gear box, provide auxiliary power to this engine driveshaft by a power generation arrangement, it is characterized in that, the method comprises the following step:
High-tension power supply is supplied by a power supply unit of this power generation arrangement;
Become driving power to be sent to an electric motor of this power generation arrangement high-tension Power convert by an actuator of this power generation arrangement;
Driving power is converted to auxiliary power to be sent to this engine driveshaft by this electric motor of this power generation arrangement; And
When this driving engine transmits power to this engine driveshaft, this electric motor is made to drive the rotating speed of this engine driveshaft higher than the rotating speed of this this engine driveshaft of engine drive, to provide auxiliary power to this engine driveshaft,
Wherein, this electric motor is Direct Current Motor, and this power supply unit comprises:
Battery or electrical generator, this electrical generator is by this engine drive; And
Conv, in order to become high-tension power supply for should actuator by the low voltage transition of this battery or this electrical generator.
7. method according to claim 6, is characterized in that, comprises the following step further:
Produce one by a controller of this power generation arrangement and control signal to this actuator, set the rotating speed of this engine driveshaft driven by this electric motor with the driving power controlling this actuator;
The auxiliary power that this electric motor transmits is transmitted by one first power transmitting mechanism of this power generation arrangement;
The auxiliary power that this first power transmitting mechanism transmits is transmitted by a toric transmission of this power generation arrangement; And
Auxiliary power that this toric transmission transmits is transmitted to this engine driveshaft by one second power transmitting mechanism of this power generation arrangement.
8. method according to claim 7, it is characterized in that, this first power transmitting mechanism is made up of one first timing belt pulley, a timing belt and one second timing belt pulley, this first timing belt pulley is installed on this electric motor, this second timing belt pulley is installed on this toric transmission, and this timing belt is sheathed between this first timing belt pulley and this second timing belt pulley; This second power transmitting mechanism is made up of a unidirectional drive belt pulley, a drive belt and a drive pulley, this unidirectional drive belt pulley is installed on this toric transmission, this drive pulley is installed on this engine driveshaft, and this drive belt is sheathed between this unidirectional drive belt pulley and this drive pulley.
9. method according to claim 6, is characterized in that, comprises the following step further:
Produce one by a controller of this power generation arrangement and control signal to this actuator, set the rotating speed of this engine driveshaft driven by this electric motor with the driving power controlling this actuator; And
Auxiliary power that this electric motor transmits is transmitted to this engine driveshaft by a power transmitting mechanism of this power generation arrangement.
10. method according to claim 9, it is characterized in that, this power transmitting mechanism is by one first timing belt pulley, one timing belt, one second timing belt pulley, one rotating shaft, one unidirectional drive belt pulley, one drive belt and a drive pulley formed, this first timing belt pulley is installed on this electric motor, this second timing belt pulley is installed in this rotating shaft, this timing belt is sheathed between this first timing belt pulley and this second timing belt pulley, this unidirectional drive belt pulley is installed in this rotating shaft, this drive pulley is installed on this engine driveshaft, this drive belt is sheathed between this unidirectional drive belt pulley and this drive pulley.
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| CN200810183964.9A CN101746246B (en) | 2008-12-16 | 2008-12-16 | Power generation device capable of assisting engine and power generation method |
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| CN200810183964.9A CN101746246B (en) | 2008-12-16 | 2008-12-16 | Power generation device capable of assisting engine and power generation method |
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| CN101746246A CN101746246A (en) | 2010-06-23 |
| CN101746246B true CN101746246B (en) | 2015-05-13 |
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