CN102594080B - Electric piston type motor - Google Patents
Electric piston type motor Download PDFInfo
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- CN102594080B CN102594080B CN 201210057064 CN201210057064A CN102594080B CN 102594080 B CN102594080 B CN 102594080B CN 201210057064 CN201210057064 CN 201210057064 CN 201210057064 A CN201210057064 A CN 201210057064A CN 102594080 B CN102594080 B CN 102594080B
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- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 4
- 230000009183 running Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The invention relates to an electric piston type motor. The electric piston type motor comprises a permanent piston, a crank shaft and a connecting rod, which are arranged in a cylinder body, wherein an electromagnet is arranged at the upper end of the cylinder body and on a rotating shaft; one end of the rotating shaft is connected with a stepping motor through a gear box; a coil driving circuit and the stepping motor are connected with a central processing unit (CPU); an upper travel switch and a lower travel switch which are connected with the CPU are arranged at an upper stop point and a lower stop point which are close to the cylinder body; and a Hall sensor connected with the CPU is arranged in the center of the bottom of the cylinder body. During working, the current direction of a coil of the electromagnet is kept consistent all the time; when the piston is to get to the upper stop point or the lower stop point, the electromagnet is controlled to rotate for 180 degrees to quickly switch the magnetic polarity of the upper and lower ends of the electromagnet, so the electromagnet repeatedly acts the piston, the crank shaft is driven, and the output power or the torque of the motor is relatively high in continuity and stability.
Description
The application divides an application, and the application number of original application is 201110027152.7, and the applying date is: on January 25th, 2011, invention and created name: electric power piston-type motor.
Technical field
The present invention relates to the technical field of motor, specifically a kind of electric power piston-type motor.
Background technology
Chinese patent literature CN101860168A discloses a kind of electric motor, its conventional engines air feed, fuel feeding, exhaust, ignition system remove, substitute with electromagnet assembly, internal piston embeds permanent magnet, then come control piston upper and lower displacement in cylinder by the sense of current of controlling electromagnet coil, piston is through the external outputting power of connecting bar and crankshaft mechanism.This electric motor is applicable to the vehicles such as automobile, motorcycle.
The patent documentation of similar technique scheme also has CN1996724A, CN1255767A, CN200990555Y etc.
The weak point of above-mentioned electric power piston-type motor of the prior art is: change the magnetic polarity of electromagnet by the flow through sense of current of electromagnet coil of frequent switching, thereby control the direction of the active force of electromagnet and piston, and then the shift reciprocately of control piston; But in actual implementation process, because the sense of current of electromagnet coil can not instantaneously change, cause to guarantee the power output of motor or the stability of moment of torsion.Therefore, the sense of current that adopt to switch the electromagnet coil of flowing through changes the magnetic polarity of electromagnet, thereby the technical scheme of the direction of displacement of control piston does not have practicality.
For solving the problems of the technologies described above, Chinese patent literature CN101697445A discloses a kind of motor, and it adopts alternately conduction of a pair of magnet exciting coil setting up and down, so that the piston reciprocating displacement.But in actual implementation process, because the electric current of magnet exciting coil can not instantaneously change, and the up and down magnet exciting coil exist crosstalk mutually and magnetic in and etc. reason, this scheme also can't be guaranteed the power output of motor or the stability of moment of torsion.
How improving the power output of electric power piston-type motor or the stability of moment of torsion, is the technical problem that this area will solve.
Summary of the invention
The stability that the technical problem to be solved in the present invention is to provide a kind of simple in structure, power output or moment of torsion is electric power piston-type motor preferably.
In order to solve the problems of the technologies described above, the invention provides a kind of electric power piston-type motor, it comprises: a plurality of cylinder bodies, be located at the piston of being made by permanent magnet in cylinder body, be located at the bent axle and the connecting rod that is connected each piston is connected with described transmission of crankshaft of each cylinder body below; The upper end of described cylinder body is provided with the electromagnet with the cylinder body coaxial inner conductor, and magnet spool is connected with a coil driver; Electromagnet is located on a switching mechanism of being controlled by CPU element, and an end of bent axle is provided with flywheel; Described coil driver is connected with a CPU element; The upper and lower stop place of contiguous cylinder body is provided with respectively the upper and lower stroke switch that is connected with CPU element; The bottom of described cylinder body is provided with a Hall element that is connected with described CPU element.
When electric motor car starts, adopt to start the described flywheel of system drive and described bent axle is rotated, described CPU element detects the direction of displacement of each piston by the Hall element of each cylinder base; If record the piston displacement downward in a cylinder body, described CPU element provides the electric current of respective direction to the magnet spool above this cylinder body by described coil driver, so that the magnetic polarity bottom this electromagnet is identical with the magnetic polarity of top land, piston accelerates to move down in this cylinder body because of the lower repulsion from electromagnet; If record the piston displacement forward in a cylinder body, described CPU element provides the electric current of respective direction to the magnet spool above this cylinder body by described coil driver, so that the magnetic polarity bottom this electromagnet is opposite with the magnetic polarity of top land, piston accelerates to move in this cylinder body because of the upper suction from electromagnet; Until each magnet spool get electric after, disconnect described startup system and keep the sense of current in each coil constant; When described CPU element records piston in a cylinder body and is about to arrive the lower dead center of this cylinder body by described lower stroke switch, CPU element is controlled this cylinder body top by described switching mechanism electromagnet is around the height center line Rotate 180 of this electromagnet °, and the piston of this moment has arrived lower dead center, because the magnetic polarity bottom the electromagnet of this moment is opposite with the magnetic polarity of top land, piston begins in this cylinder body to top offset because of the upper suction from electromagnet; When described CPU element records this piston and is about to arrive the top dead centre of this cylinder body by described upper stroke switch, CPU element is controlled this cylinder body top by described switching mechanism electromagnet is around 180 ° of the height center line reverse rotations of this electromagnet, and the piston of this moment has arrived top dead centre, because the magnetic polarity bottom the electromagnet of this moment is identical with the magnetic polarity of top land, and piston begins to bottom offset because of the lower repulsion from electromagnet; So repeatedly, thereby make each piston drive described crankshaft operation through corresponding connecting rod, and make described flywheel externally export positive-torque.
Technique scheme of the present invention has the following advantages compared to existing technology: (1) electric power piston-type motor of the present invention in the course of the work, the magnet spool sense of current remains constant; When piston is about to arrive upper and lower stop, control electromagnet around 180 ° of its height center line fast rotational, with the magnetic polarity of quick switching electromagnet upper and lower side, thereby make electromagnet repeatedly produce active force to piston, and then driving crank.The such scheme that the present invention adopts, that has avoided prior art can't realize the time-delay that instantaneous reverse brings because of coil current, and then makes the power output of motor of the present invention or moment of torsion have stability preferably.(2) motor of the present invention is when starting, employing startup system rotates described bent axle, CPU element detects the direction of displacement of each piston by the Hall element in each cylinder body, then the direction of displacement according to each piston provides the electric current of respective direction and keeps the sense of current constant to each coil by coil driver, then according to the position of each piston, switch fast the magnetic polarity of electromagnet upper and lower side around the mode of 180 ° of its height center line fast rotational by electromagnet, thereby make electromagnet repeatedly produce damping force to each piston, and then brake bent axle and make described flywheel externally export negative torque.(4) Hall element in the present invention is located at the bottom center of cylinder body, due to two magnetic poles of two magnetic poles of piston and electromagnet same lineal layout up and down, so the electromagnetic signal that Hall element obtains is substantially from piston base, be that Hall element is not subjected to the interference of electromagnet substantially, guaranteed the reliability that piston position detects.(5) in the present invention, each piston is symmetrically distributed in the height center line both sides of cylinder body in corresponding cylinder body, have uniformity and stability preferably to guarantee the active force on each piston action and bent axle.(6) electric motor car of the present invention is electric automobile, battery-operated motor cycle, electro-tricycle, electric agricultural mechanical car etc.
Description of drawings
For content of the present invention is more likely to be clearly understood, below the specific embodiment and by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the electric power piston-type motor in embodiment;
Fig. 2 be the electric power piston-type motor in embodiment adopt a kind of for controlling electromagnet around the switching mechanism of its height center line Rotate 180 ° and the structural representation of cylinder body;
Fig. 3 is the circuit block diagram of the control circuit of described electric power piston-type motor;
Fig. 4 is the power train structural map of the electrical piston driving type electric vehicle in embodiment;
Fig. 5 is the another kind of described switching mechanism of the electric power piston-type motor employing in embodiment and the structural representation of cylinder body.
Embodiment
See Fig. 1-3, the electric power piston-type motor 20 of the present embodiment, it comprises: the cylinder body 1 that a plurality of high resistance non-magnet materials (as: aluminium alloy, copper alloy etc.) are made, the connecting rod 3 of being located at the piston 5 of being made by permanent magnet in cylinder body 1, being located at the bent axle 2 of each cylinder body 1 below and being used for each piston 5 and described bent axle 2 are in transmission connection; The upper end of described cylinder body 1 is provided with the electromagnet 7 with cylinder body 1 coaxial inner conductor, and the coil 8 of electromagnet 7 is connected with a coil driver; The central authorities of electromagnet 7 are fixed in a horizontal rotating shaft 9, and this rotating shaft 9 is located at cylinder body 1 top by pair of bearing 4; One end of rotating shaft 9 is connected with stepping motor 12 transmissions through a gearbox 11, and an end of bent axle 2 is provided with flywheel; Described coil driver is connected with a CPU element with stepping motor 12; The upper and lower stop place of contiguous cylinder body 1 is provided with respectively the upper and lower stroke switch 13 and 14 that is connected with CPU element; The bottom center of described cylinder body 1 is provided with a Hall element 15 that is connected with described CPU element, and this described Hall element 15 is relative with the bottom surface central authorities of described piston 5.Described Hall element 15 is located in the metal tube of a non-magnet material, this metal tube and described piston 5 coaxial inner conductors.Described upper and lower stroke switch 13 and 14 adopts contact or infrared-type travel switch.Piston 5 is provided with wear-resisting ring.
Each piston 5 is in different travel position in described cylinder body 1, be suitable for continuous driving crank 2 to guarantee connecting rod 3, and makes the moment of torsion of bent axle 2 outputs stable.
when electric motor car starts, adopt the flywheel that starts on system drive bent axle 2, so that described bent axle 2 rotates, described CPU element detects the direction of displacement of each pistons 5 by the Hall element 15 of each cylinder body 1 bottom, at this moment, if record piston 5 displacement downward in a cylinder body 1, described CPU element provides the electric current of respective direction to the coil 8 of the electromagnet 7 of this cylinder body 1 top by described coil driver, so that the magnetic polarity of this electromagnet 7 bottoms is identical with the magnetic polarity at piston 5 tops, piston 5 moves down in the interior acceleration of this cylinder body 1 because of the lower repulsion from electromagnet 7, or, if record piston 5 displacement forward in a cylinder body 1 this moment, described CPU element provides the electric current of respective direction to the coil 8 of the electromagnet 7 of this cylinder body 1 top by described coil driver, so that the magnetic polarity of this electromagnet 7 bottoms is opposite with the magnetic polarity at piston 5 tops, piston 5 moves in the interior acceleration of this cylinder body 1 because of the upper suction from electromagnet 7, until the coil 8 of each electromagnet 7 electric after, disconnect described startup system and keep the sense of current in each coil 8 constant, then, when described CPU element records piston 5 in a cylinder body 1 and is about to arrive the lower dead center of this cylinder body 1 by described lower stroke switch 14, CPU element is to pulse signal of described stepping motor 12 outputs, rotate a fixing angle to drive this stepping motor 12 by the direction of setting, thereby make stepping motor 12 control described rotating shaft 9 Rotate 180s ° through described gearbox 11, and the piston 5 of this moment has arrived lower dead center, because the magnetic polarity of electromagnet 7 bottoms of this moment is opposite with the magnetic polarity at piston 5 tops, piston 5 begins at this cylinder body 1 interior to top offset because of the upper suction from electromagnet 7, when described CPU element records this piston 5 and is about to arrive the top dead centre of this cylinder body 1 by described upper stroke switch 13, CPU element is to described stepping motor 12 another pulse signals of output, to drive fixing angle of this stepping motor 12 counter-rotation, thereby make stepping motor 12 control 180 ° of described rotating shaft 9 reverse rotations through described gearbox 11, and the piston 5 of this moment has arrived top dead centre, and piston 5 begins to bottom offset because of lower repulsion, so repeatedly, thereby make each piston 5 drive described bent axle 2 runnings through corresponding connecting rod 3, and make externally output positive-torque of bent axle 2.
Described CPU element detects the position of described piston 5 by Hall element 15, to draw the interior described piston 5 of same cylinder body 1 and the spacing of electromagnet 7, and real-time according to this spacing size by the size of current in the described coil 8 of described coil driver adjustment, so that described piston 5 moves past in journey at upper and lower, keep the size of the active force between piston 5 and electromagnet 7 stable, so that the stability of the power of this motor output or moment of torsion is better.
When described bent axle 2 is in operating condition, and need by described bent axle 2 externally during the output negative torque, described CPU element is controlled described coil driver and is stopped to each coil 8 powering; Then, if described CPU element records the interior described piston 5 of same cylinder body 1 to bottom offset by described Hall element 15, CPU element provides the electric current of respective direction to the coil 8 of this cylinder body 1 top by described coil driver, so that the magnetic polarity of corresponding electromagnet 7 bottoms is opposite with the magnetic polarity at piston 5 tops, with the speed that moves down of reduction piston 5, thereby brake described bent axle 2.
if described bent axle 2 does not shut down yet, and when CPU element records this piston 5 and is about to arrive the lower dead center of this cylinder body 1 by described lower stroke switch 14, CPU element is to pulse signal of described stepping motor 12 outputs, rotate a fixing angle to drive this stepping motor 12 by the direction of setting, thereby make stepping motor 12 control described rotating shaft 9 Rotate 180s ° through described gearbox 11, and the piston 5 of this moment has arrived lower dead center, because the magnetic polarity of electromagnet 7 bottoms of this moment is identical with the magnetic polarity at piston 5 tops, piston 5 bears in the top offset from the lower repulsion of electromagnet 7 in beginning and brakes described bent axle 2, if described bent axle 2 does not shut down yet, and when CPU element records this piston 5 and is about to arrive the top dead centre of this cylinder body 1 by described upper stroke switch 13, CPU element is to described stepping motor 12 another pulse signals of output, to drive fixing angle of this stepping motor 12 backward rotation, thereby make stepping motor 12 control 180 ° of described rotating shaft 9 reverse rotations through described gearbox 11, and the piston 5 of this moment has arrived top dead centre, because the magnetic polarity of electromagnet 7 bottoms of this moment is opposite with the magnetic polarity at piston 5 tops, piston 5 is because braking described bent axle 2 from the upper suction of electromagnet 7, so repeatedly, so that described flywheel is externally exported negative torque, until when recording described bent axle 2 and being about to shut down, stop to 8 power supplies of each coil.
The rate of displacement that described CPU element detects each pistons 5 by Hall element 15 judges that namely described bent axle 2 is about to shut down during lower than preset value (this preset value can obtain by experiment).The electric current of considering coil 8 can not transient change, and therefore when described bent axle 2 was about to shut down, the power supply of early cut-off coil 8 was beneficial to energy-conservation and guarantees that described bent axle 2 can in time shut down.
When needs were externally exported braking torque by described bent axle 2, the electric current that described coil driver provides to described coil 8 was pulse current.Described coil 8 one sides are provided with air cooling equipment or described coil 8 is located in oil cooling device; The temperature of the duty ratio of the pulse current in coil 8 and described coil 8 is linear or non-linear negative correlation, in case principal vertical line circle 8 is overheated.
Be connected with flywheel on bent axle in electric power piston-type motor 20, flywheel is provided with clutch 21, and the output shaft of clutch 21 is connected with gearbox 22, and the output shaft of gearbox 22 is connected with vehicle drive system; The driven wheel engagement of the gear ring of flywheel outer rim and described startup system.This startup system adopts of the prior art and the matching used startup of existing petrol engine system.
See Fig. 4, described vehicle drive system comprises: the driving shaft 24 that is in transmission connection through universal joint 23 and the output shaft of gearbox 22, the differential mechanism 27 that is in transmission connection through another universal joint and driving shaft 24 and the wheel that is connected by semiaxis 26 transmissions with differential mechanism 27.Wherein, at driving shaft 24 and differential mechanism 27, main reducing gear 25 can be set.
Fig. 5 is the structural representation of another kind of described switching mechanism, electromagnet 7 is located on a pinion 16, and the central shaft of this pinion 16 is located on the central point of electromagnet 7, and this pinion 16 is meshed with a gear wheel 17, and this gear wheel 17 is connected with described gearbox 11 transmissions; During work, CPU element is to pulse signal of described stepping motor 12 outputs, rotate a fixing angle to drive this stepping motor 12 by the direction of setting, thereby make stepping motor 12 control described pinion 16 clockwise or be rotated counterclockwise 180 ° through described gearbox 11, gear wheel 17.
Obviously, above-described embodiment is only for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (1)
1. electric power piston-type motor is characterized in that comprising: a plurality of cylinder bodies (1), the connecting rod (3) of being located at the piston (5) of being made by permanent magnet in cylinder body (1), being located at the bent axle (2) of each cylinder body (1) below and being used for each piston (5) and described bent axle (2) are in transmission connection;
The upper end of described cylinder body (1) is provided with the electromagnet (7) with cylinder body (1) coaxial inner conductor, and the coil (8) of electromagnet (7) is connected with a coil driver;
Described electromagnet (7) be located at one by being suitable for of controlling of CPU element with electromagnet (7) repeatedly on the switching mechanism of Rotate 180 °;
Described coil driver is connected with a described CPU element; The upper and lower stop place of contiguous cylinder body (1) is provided with respectively the upper and lower stroke switch (13,14) that is connected with CPU element; The bottom of each cylinder body (1) is respectively equipped with a Hall element (15) that is connected with described CPU element;
When electric motor car starts, adopt the flywheel that starts on the described bent axle of system drive (2) to rotate, the Hall element (15) of described CPU element bottom each cylinder body (1) detects the direction of displacement of each piston (5);
If record piston (5) displacement downward in a cylinder body (1), described CPU element provides the electric current of respective direction to the coil (8) of the electromagnet (7) of this cylinder body (1) top by described coil driver, so that the magnetic polarity of this electromagnet (7) bottom is identical with the magnetic polarity at piston (5) top, piston (5) accelerates to move down in this cylinder body (1) because of the lower repulsion from electromagnet (7);
If record piston (5) displacement forward in a cylinder body (1), described CPU element provides the electric current of respective direction to the coil (8) of the electromagnet (7) of this cylinder body (1) top by described coil driver, so that the magnetic polarity of this electromagnet (7) bottom is opposite with the magnetic polarity at piston (5) top, piston (5) accelerates to move in this cylinder body (1) because of the upper suction from electromagnet (7);
Until the coil (8) of each electromagnet (7) electric after, disconnect described startup system and keep the sense of current in each coil (8) constant;
When described CPU element records piston (5) in a cylinder body (1) and is about to arrive the lower dead center of this cylinder body (1) by described lower stroke switch (14), CPU element is controlled this cylinder body (1) top by described switching mechanism electromagnet (7) is around the height center line Rotate 180 of this electromagnet (7) °, and the piston (5) of this moment has arrived lower dead center, because the magnetic polarity of electromagnet (7) bottom of this moment is opposite with the magnetic polarity at piston (5) top, piston (5) begins in this cylinder body (1) to top offset because of the upper suction from electromagnet (7); When described CPU element records this piston (5) and is about to arrive the top dead centre of this cylinder body (1) by described upper stroke switch (13), CPU element is controlled this cylinder body (1) top by described switching mechanism electromagnet (7) is around 180 ° of the height center line reverse rotations of this electromagnet (7), and the piston (5) of this moment has arrived top dead centre, because the magnetic polarity of electromagnet (7) bottom of this moment is identical with the magnetic polarity at piston (5) top, and piston (5) begins to bottom offset because of the lower repulsion from electromagnet (7); So repeatedly, thereby make each piston (5) drive described bent axle (2) running through corresponding connecting rod (3), and make described flywheel externally export positive-torque;
Described CPU element detects the position of described piston (5) by Hall element (15), to draw the spacing of the interior described piston (5) of same cylinder body (1) and electromagnet (7), and real-time by the size of current in the described coil driver described coil of adjustment (8) according to this spacing size, so that described piston (5) moves past in journey at upper and lower, keep the size of the active force between piston (5) and electromagnet (7) stable;
Described Hall element (15) is located at the bottom center of cylinder body (1), and relative with the bottom surface central authorities of described piston (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210057064 CN102594080B (en) | 2011-01-25 | 2011-01-25 | Electric piston type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210057064 CN102594080B (en) | 2011-01-25 | 2011-01-25 | Electric piston type motor |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100271527A Division CN102075059B (en) | 2011-01-25 | 2011-01-25 | Electric power piston type motor |
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| CN102594080A CN102594080A (en) | 2012-07-18 |
| CN102594080B true CN102594080B (en) | 2013-11-06 |
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| CN 201210057064 Expired - Fee Related CN102594080B (en) | 2011-01-25 | 2011-01-25 | Electric piston type motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565197Y (en) * | 2002-08-27 | 2003-08-06 | 王英松 | Electromagnetic engine |
| CN1610227A (en) * | 2004-10-12 | 2005-04-27 | 王成江 | Compression magnetic line type magnetic energy engine utilizing internal combustion engine working principle |
| CN201038974Y (en) * | 2007-01-18 | 2008-03-19 | 张志坚 | Car magnetic pole engine |
| CN201663533U (en) * | 2009-08-06 | 2010-12-01 | 陈正贵 | Magnetic pulse power machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7793634B2 (en) * | 2008-09-25 | 2010-09-14 | Shimon Elmaleh | Electro-magnetic internal combustion engine |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2565197Y (en) * | 2002-08-27 | 2003-08-06 | 王英松 | Electromagnetic engine |
| CN1610227A (en) * | 2004-10-12 | 2005-04-27 | 王成江 | Compression magnetic line type magnetic energy engine utilizing internal combustion engine working principle |
| CN201038974Y (en) * | 2007-01-18 | 2008-03-19 | 张志坚 | Car magnetic pole engine |
| CN201663533U (en) * | 2009-08-06 | 2010-12-01 | 陈正贵 | Magnetic pulse power machine |
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