CN102075060A - Electric piston motor suitable for outputting positive torque and negative torque - Google Patents
Electric piston motor suitable for outputting positive torque and negative torque Download PDFInfo
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- CN102075060A CN102075060A CN 201110027319 CN201110027319A CN102075060A CN 102075060 A CN102075060 A CN 102075060A CN 201110027319 CN201110027319 CN 201110027319 CN 201110027319 A CN201110027319 A CN 201110027319A CN 102075060 A CN102075060 A CN 102075060A
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Abstract
The invention relates to an electric piston motor suitable for outputting positive torque and negative torque. The motor comprises a permanent magnet piston, a crankshaft and a connecting rod which are arranged in a cylinder body, wherein the upper end of the cylinder body is provided with an electromagnet; the electromagnet is arranged on a rotating shaft; one end of the rotating shaft is in transmission connection with a stepping motor through a gearbox; during work, the coil current direction of the electromagnet is kept unchanged all the time; when the piston is about to arrive at a top dead center and a lower dead center, the electromagnet is controlled to rotate 180 degrees to quickly switch the magnetic polarities of the upper and lower ends of the electromagnet, so that the electromagnet repeatedly applies applied force to the piston, and the crankshaft is driven to output the positive torque with high continuity and stability; and when the crankshaft is needed to output the negative torque externally, a central processing unit (CPU) detects the displacement direction of each piston and provides current in the corresponding direction for each coil through a coil driving circuit to reduce the displacement rate of each piston, so that each piston brakes the crankshaft through the corresponding connecting rod, and the crankshaft outputs the negative torque.
Description
Technical field
The present invention relates to the technical field of motor, specifically is a kind of electric power piston motor that is suitable for exporting positive and negative moment of torsion.
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, the sense of current by the control electromagnet coil comes control piston upper and lower displacement in cylinder then, and 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 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 the direction of the active force of control electromagnet and piston, and then the shift reciprocately of control piston; But in actual implementation process,, cause to guarantee the power output of motor or the continuity and the stability of moment of torsion because the sense of current of electromagnet coil can not instantaneously change.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 the magnet exciting coil of a pair of upper and lower settings alternately to conduct electricity, so that the piston shift reciprocately.But in actual implementation process because the electric current of magnet exciting coil can not instantaneously change, and 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 continuity and the stability of moment of torsion.
How improving the power output of electric power piston motor or the continuity and the stability of moment of torsion, is the technical problem that this area will solve.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of simple in structure, electric power piston motor of being suitable for exporting positive and negative moment of torsion.
In order to solve the problems of the technologies described above, the invention provides a kind of electric power piston motor, it comprises: a plurality of cylinder bodies, the connecting rod of being located at the piston of being made by permanent magnet in the cylinder body, being located at the bent axle of each cylinder body below and being used for each piston and described bent axle are in transmission connection; The upper end of described cylinder body is provided with the electromagnet with the cylinder body coaxial inner conductor, and magnet spool links to each other with a coil driver; Electromagnet is located on the switching mechanism by CPU element control, and an end of bent axle is provided with flywheel; Described coil driver links to each other with a CPU element; The upper and lower stop place of contiguous cylinder body is provided with the upper and lower stroke switch that links to each other with CPU element respectively; The bottom of described cylinder body is provided with a Hall element that links to each other with described CPU element.
When electric motor car started, the employing start-up system drove described flywheel and described bent axle is rotated, and 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 the cylinder body, then described CPU element provides the electric current of respective direction to the magnet spool of this cylinder body top by described coil driver, so that the magnetic polarity of this electromagnet bottom is identical with the magnetic polarity of top land, piston quickens to move down in this cylinder body because of the following repulsion from electromagnet; If record the piston displacement forward in the cylinder body, then described CPU element provides the electric current of respective direction to the magnet spool of this cylinder body top by described coil driver, so that the magnetic polarity of this electromagnet bottom is opposite with the magnetic polarity of top land, piston quickens to move in this cylinder body because of the last suction from electromagnet; Treat each magnet spool get electric after, disconnect described start-up system and keep the sense of current in each coil constant; When described CPU element records piston in the 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 of the electromagnet of this moment bottom is opposite with the magnetic polarity of top land, piston begins in this cylinder body to top offset because of the last 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 of the electromagnet of this moment bottom is identical with the magnetic polarity of top land, and piston begins to bottom offset because of the following repulsion from electromagnet; So repeatedly, thereby make each piston drive described crankshaft operation, and make the externally positive moment of torsion of output of described flywheel through corresponding connecting rod.
When described bent axle is in operating condition, and need externally export negative torque by described flywheel the time, then described CPU element is controlled described coil driver and is stopped to each coil power supply; If described CPU element records described piston in the same cylinder body to bottom offset by described Hall element, then CPU element provides the electric current of respective direction to the coil of this cylinder body top by described coil driver, so that the magnetic polarity of corresponding electromagnet bottom is opposite with the magnetic polarity of top land, with the speed that moves down of reduction piston, thereby brake described bent axle; If described bent axle does not shut down yet, and when CPU element recorded this piston 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 was around the height center line Rotate 180 of this electromagnet °; Because the magnetic polarity of the electromagnet bottom of this moment is identical with the magnetic polarity of top land, piston is braked described bent axle beginning to bear from the following repulsion of electromagnet in top offset; If described bent axle does not shut down yet, and when 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, because the magnetic polarity of the electromagnet of this moment bottom is opposite with the magnetic polarity of top land, piston is braked described bent axle because of the last suction from electromagnet; So repeatedly, so that described flywheel is externally exported negative torque, when recording described bent axle and be about to shut down, stop to each coil power supply.
Technique scheme of the present invention has the following advantages compared to existing technology: (1) electric power piston 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, the control electromagnet is around 180 ° of its height center line fast rotational, with the magnetic polarity of quick switching electromagnet upper and lower side, thereby make electromagnet produce active force to piston repeatedly, and then drive bent axle and make the externally positive moment of torsion of output of flywheel.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 continuity and stability preferably.(2) motor of the present invention is when starting, adopt start-up system that described bent axle is rotated, CPU element detects the direction of displacement of each piston by the Hall element in each cylinder body, the electric current of respective direction is provided to each coil by coil driver according to the direction of displacement of each piston then, to realize that each piston drives crankshaft operation by corresponding connecting rod, disconnect start-up system then, thereby realized the reliable startup of motor of the present invention.(3) when the needs flywheel is externally exported negative torque, CPU element detects the direction of displacement of each piston by the Hall element in each cylinder body, provide the electric current of respective direction and holding current direction constant by coil driver to each coil according to the direction of displacement of each piston then, then according to each position of piston, switch the magnetic polarity of electromagnet upper and lower side fast around the mode of 180 ° of its height center line fast rotational by electromagnet, thereby make electromagnet produce damping force to each piston repeatedly, and then brake bent axle and make described flywheel externally export negative torque.(4) Hall element among the present invention is located at the bottom center of cylinder body, because two magnetic poles of piston and two magnetic poles of electromagnet distribute with straight line up and down, so the electromagnetic signal that Hall element obtains is substantially from piston base, be the interference that Hall element is not subjected to electromagnet substantially, guaranteed the reliability that piston position detects.(5) among 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 the bent axle.(6) electric motor car of the present invention is electric automobile, battery-operated motor cycle, electro-tricycle, electronic farm machinery car etc.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the electric power piston motor among the embodiment;
Fig. 2 a kind ofly is used to control electromagnet around the switching mechanism of its height center line Rotate 180 ° and the structural representation of cylinder body for what the electric power piston motor among the embodiment adopted;
Fig. 3 is the circuit block diagram of the control circuit of described electric power piston motor;
Fig. 4 is the power train structural map of the electric power piston actuated formula electric motor car among the embodiment;
Fig. 5 is the another kind of described switching mechanism of the electric power piston motor employing among the embodiment and the structural representation of cylinder body.
Embodiment
See Fig. 1-3, the electric power piston motor 20 of 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, be located at the piston of being made by permanent magnet 5 in the cylinder body 1, the connecting rod 3 of 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 links to each other with a coil driver; The central authorities of electromagnet 7 are fixed in the 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 links to each other with a stepping motor 12 transmissions through a gearbox 11, and an end of bent axle 2 is provided with flywheel; Described coil driver links to each other with a CPU element with stepping motor 12; The upper and lower stop place of contiguous cylinder body 1 is provided with the upper and lower stroke switch 13 and 14 that links to each other with CPU element respectively; The bottom center of described cylinder body 1 is provided with a Hall element 15 that links to each other 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 circle.
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 on the start-up system driving bent axle 2, so that described bent axle 2 rotates, described CPU element detects the direction of displacement of each piston 5 by the Hall element 15 of each cylinder body 1 bottom; At this moment, if record piston 5 displacement downward in the cylinder body 1, then 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 these electromagnet 7 bottoms is identical with the magnetic polarity at piston 5 tops, piston 5 quickens to move down in this cylinder body 1 because of the following repulsion from electromagnet 7; Or, this moment is as if piston 5 displacement forward that records in the cylinder body 1, then 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 these electromagnet 7 bottoms is opposite with the magnetic polarity at piston 5 tops, piston 5 quickens to move in this cylinder body 1 because of the last suction from electromagnet 7; Treat each electromagnet 7 coil 8 electric after, disconnect described start-up system and keep the sense of current in each coil 8 constant; Then, when described CPU element records piston 5 in the 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 through described rotating shaft 9 Rotate 180s of described gearbox 11 controls °, 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 in this cylinder body 1 to top offset because of the last 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 these stepping motor 12 counter-rotation, thereby make stepping motor 12 through 180 ° of described rotating shaft 9 reverse rotations of described gearbox 11 controls, and the piston 5 of this moment has arrived top dead centre, and piston 5 begins to bottom offset because of following repulsion; So repeatedly, thereby make each piston 5 drive described bent axle 2 runnings, and make the externally positive moment of torsion of output of described flywheel through corresponding connecting rod 3.
Described CPU element detects the position of described piston 5 by Hall element 15, to draw the spacing of described piston 5 and electromagnet 7 in the same cylinder body 1, and adjust size of current in the described coil 8 by described coil driver in real time according to this spacing size, so that described piston 5 moves past in the journey at upper and lower, keep the size of the active force between piston 5 and the electromagnet 7 stable, so that the continuity of the power of this motor output or moment of torsion and stability are better.
When described bent axle 2 is in operating condition, and need externally export negative torque by described flywheel the time, then described CPU element is controlled described coil driver and is stopped to 8 power supplies of each coil; Then, if described CPU element records described piston 5 in the same cylinder body 1 to bottom offset by described Hall element 15, then 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 through described rotating shaft 9 Rotate 180s of described gearbox 11 controls °, 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 is braked described bent axle 2 beginning to bear from the following repulsion of electromagnet 7 in top offset; 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 these stepping motor 12 backward rotation, thereby make stepping motor 12 through 180 ° of described rotating shaft 9 reverse rotations of described gearbox 11 controls, 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 of braking described bent axle 2 from the last suction of electromagnet 7; So repeatedly, so that described flywheel is externally exported negative torque, when recording described bent axle 2 and be about to shut down, stop to 8 power supplies of each coil.
When the rate of displacement that described CPU element detects each piston 5 by Hall element 15 is lower than preset value (this preset value can obtain by experiment), judge that promptly described bent axle 2 is about to shut down.The electric current of considering coil 8 can not transient change, and therefore when described bent axle 2 is about to shut down, the power supply of early cut-off coil 8 is 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 a pulse current.Described coil 8 one sides are provided with air cooling equipment or described coil 8 is located in the oil cooling device; The temperature of the duty ratio of the pulse current in the coil 8 and described coil 8 is linear or non-linear negative correlation, in case principal vertical line circle 8 is overheated.
See Fig. 4, be connected with flywheel on the bent axle in the electric power piston 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 gear ring of flywheel outer rim and the engagement of the driven wheel of described start-up system.This start-up system adopts the matching used start-up system of of the prior art and existing petrol engine.
Described vehicle drive system comprises: the driving shaft 24 that is in transmission connection through the 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 links to each other 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 the 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 links to each other 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 clockwise or be rotated counterclockwise 180 ° through described gearbox 11, the described pinion 16 of gear wheel 17 controls.
Obviously, the foregoing description only is for example of the present invention clearly is described, and is not to be qualification 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 exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (7)
1. electric power piston motor that is suitable for exporting positive and negative moment of torsion is characterized in that comprising: a plurality of cylinder bodies (1), the connecting rod (3) of being located at the piston of being made by permanent magnet (5) in the 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) links to each other with a coil driver;
Electromagnet (7) is located on the switching mechanism by CPU element control, and an end of bent axle (2) is provided with flywheel;
Described coil driver links to each other with a CPU element; The upper and lower stop place of contiguous cylinder body (1) is provided with the upper and lower stroke switch (13,14) that links to each other with CPU element respectively; The bottom of described cylinder body (1) is provided with a Hall element (15) that links to each other with described CPU element;
When electric motor car started, the employing start-up system drove described flywheel and described bent axle (2) is rotated, and described CPU element detects the direction of displacement of each piston (5) by the Hall element (15) of each cylinder body (1) bottom;
If record piston (5) displacement downward in the cylinder body (1), then 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) quickens to move down in this cylinder body (1) because of the following repulsion from electromagnet (7);
If record piston (5) displacement forward in the cylinder body (1), then 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) quickens to move in this cylinder body (1) because of the last suction from electromagnet (7);
Treat each electromagnet (7) coil (8) electric after, disconnect described start-up system and keep the sense of current in each coil (8) constant;
When described CPU element records piston (5) in the 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 the electromagnet (7) of this moment bottom is opposite with the magnetic polarity at piston (5) top, piston (5) begins in this cylinder body (1) to top offset because of the last 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 the electromagnet (7) of this moment bottom is identical with the magnetic polarity at piston (5) top, and piston (5) begins to bottom offset because of the following repulsion from electromagnet (7); So repeatedly, thereby make each piston (5) drive described bent axle (2) running, and make the externally positive moment of torsion of output of described flywheel through corresponding connecting rod (3);
When described bent axle (2) is in operating condition, and need externally export negative torque by described flywheel the time, then described CPU element is controlled described coil driver and is stopped to power to each coil (8);
If described CPU element records the interior described piston (5) of same cylinder body (1) to bottom offset by described Hall element (15), then 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) bottom is opposite with the magnetic polarity at piston (5) top, 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 recorded 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 controlled this cylinder body (1) top by described switching mechanism electromagnet (7) was around the height center line Rotate 180 of this electromagnet (7) °; Because the magnetic polarity of electromagnet (7) bottom of this moment is identical with the magnetic polarity at piston (5) top, piston (5) is braked described bent axle (2) beginning to bear from the following repulsion of electromagnet (7) in top offset; 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 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), because the magnetic polarity of the electromagnet (7) of this moment bottom is opposite with the magnetic polarity at piston (5) top, piston (5) is because of braking described bent axle (2) from the last suction of electromagnet (7); So repeatedly, so that described flywheel is externally exported negative torque,, stop to power to each coil (8) until recording described bent axle (2) when being about to shut down.
2. the electric power piston motor that is suitable for exporting positive and negative moment of torsion according to claim 1, it is characterized in that: described CPU element detects the position of described piston (5) by Hall element (15), to draw the spacing of interior described piston (5) of same cylinder body (1) and electromagnet (7), and adjust size of current in the described coil (8) by described coil driver in real time according to this spacing size, so that described piston (5) moves past in the journey at upper and lower, keep the size of the active force between piston (5) and the electromagnet (7) stable.
3. the electric power piston motor that is suitable for exporting positive and negative moment of torsion according to claim 2, it is characterized in that: when externally exporting braking torque, the electric current that described coil driver provides to described coil (8) is a pulse current at the described bent axle of control (2).
4. the electric power piston motor that is suitable for exporting positive and negative moment of torsion according to claim 3 is characterized in that: described coil (8) one sides are provided with air cooling equipment or described coil (8) is located in the oil cooling device; The temperature negative correlation of the duty ratio of the pulse current in the described coil (8) and described coil (8).
5. the electric power piston motor that is suitable for exporting positive and negative moment of torsion according to claim 1 is characterized in that: each piston (5) is symmetrically distributed in the height center line both sides of cylinder body (1) in corresponding cylinder body (1).
6. the electric power piston actuated formula electric motor car that is suitable for down hill braking according to claim 1, it is characterized in that: 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).
7. the electric power piston actuated formula electric motor car that is suitable for down hill braking according to claim 6, it is characterized in that: described Hall element (15) is located in the metal tube of a non-magnet material, this metal tube and described piston (5) coaxial inner conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027319XA CN102075060B (en) | 2011-01-25 | 2011-01-25 | Electric piston motor suitable for outputting positive torque and negative torque |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110027319XA CN102075060B (en) | 2011-01-25 | 2011-01-25 | Electric piston motor suitable for outputting positive torque and negative torque |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100570631A Division CN102611273B (en) | 2011-01-25 | 2011-01-25 | Electric piston type motor suitable for outputting positive and negative torque |
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| CN102075060A true CN102075060A (en) | 2011-05-25 |
| CN102075060B CN102075060B (en) | 2012-06-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858524B (en) * | 2013-10-23 | 2016-08-17 | 南安市天鸿电子科技有限公司 | A kind of electromagnetism heat-conducting block |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000152558A (en) * | 1998-11-04 | 2000-05-30 | Hideo Irisa | Motor |
| CN2865125Y (en) * | 2005-11-23 | 2007-01-31 | 李海潮 | Piston type permanent-magnet brushless motor |
| CN201699628U (en) * | 2010-06-18 | 2011-01-05 | 刘军 | Piston motor |
-
2011
- 2011-01-25 CN CN201110027319XA patent/CN102075060B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000152558A (en) * | 1998-11-04 | 2000-05-30 | Hideo Irisa | Motor |
| CN2865125Y (en) * | 2005-11-23 | 2007-01-31 | 李海潮 | Piston type permanent-magnet brushless motor |
| CN201699628U (en) * | 2010-06-18 | 2011-01-05 | 刘军 | Piston motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858524B (en) * | 2013-10-23 | 2016-08-17 | 南安市天鸿电子科技有限公司 | A kind of electromagnetism heat-conducting block |
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| CN102075060B (en) | 2012-06-27 |
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