CN205089452U - Power transmission device and electric motor with damping function - Google Patents

Power transmission device and electric motor with damping function Download PDF

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Publication number
CN205089452U
CN205089452U CN201520769525.1U CN201520769525U CN205089452U CN 205089452 U CN205089452 U CN 205089452U CN 201520769525 U CN201520769525 U CN 201520769525U CN 205089452 U CN205089452 U CN 205089452U
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free
wheel diode
electrical source
crankshaft
connecting rod
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CN201520769525.1U
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Chinese (zh)
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徐夫子
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Abstract

The utility model relates to a power transmission device and electric motor with damping function. The utility model relates to a power transmission device of damping function, including a cylinder, a first crank axle and a second crank axle, the cylinder body of cylinder has a sharp passageway and lies in the expansion tip at sharp passageway both ends, a piston can be in sharp passageway reciprocating motion, the one end of this piston and the one end pin joint of a first connecting rod, and the other end of first connecting rod stretches into one of them and enlarges the tip, the other end of this piston and the one end pin joint of a second connecting rod, and the other end of second connecting rod stretches into wherein, and another enlarges the tip, this first crank axle has one by the radial convex crank arm of axostylus axostyle, its holding in one of them enlarges tip and with the other end pin joint of first connecting rod, this second crank axle has one by the radial convex crank arm of axostylus axostyle, its holding is the other end pin joint of second connecting rod in wherein another enlarges the tip, it uses DC power supply and has the power saving concurrently and the high -effect power transmission device who has the damping function to borrow this to provide one kind.

Description

There is power transmission and the electric motor of damping function
Technical field
The utility model relates to a kind of power transmission, particularly relates to a kind ofly being driven by DC Brushless Motor and having power transmission and the electric motor of damping function.
Background technique
See Fig. 1 to Fig. 4, it shows the cylinder illustrative view of existing four-stroke internal combustion engine (also known as motor), one piston 10 is located in the cylinder body 11 of cylinder, one end pivot joint of piston 10 and a connecting rod 12, the other end of connecting rod 12 and crank arm 131 pivot joint of a crankshaft 13.First, as shown in Figure 1, in intake stroke, piston 10 moves to lower dead center by the top dead center of cylinder body 11, oil gas 14 mixture is allowed to enter cylinder body 11, then, as shown in Figure 2, in compression stroke, piston 10 is moved upward to top dead center by the lower dead center of cylinder body 11, to compress oil gas 14, then, as shown in Figure 3, perform working stroke, oil gas is lighted blast, piston 10 is pushed into lower dead center downwards by the top dead center of cylinder body 11, make rotating crank axle 13, finally, as shown in Figure 4, in exhaust stroke, piston 10 returns top dead center by the lower dead center of cylinder body 11, cylinder body 11 is vented, explosion product is allowed to flow out cylinder body 11.Whereby, make piston 10 constantly repeat above-mentioned four strokes, piston 10 can be allowed to move up and down in cylinder body 11 and drive crankshaft 13 to rotate, make outputting power.
Therefore, according to the start principle of existing internal-combustion engine, use if can change the motor of DC electrical source to drive the piston 10 in cylinder to move up and down through another crankshaft, the motor of existing use Fuel Petroleum can be made into the electric motor using DC electrical source.
Model utility content
The purpose of this utility model is that providing a kind of uses DC electrical source and have power saving and dynamical power transmission and the electric motor with damping function concurrently.
The utility model has the power transmission of damping function, comprise a cylinder, one first crankshaft and one second crankshaft, this cylinder comprises: a cylinder body, and it has a beeline channel and is positioned at this beeline channel two ends, and two enlarged end be communicated with this beeline channel; One piston, it is located in this beeline channel of this cylinder body, and can straight reciprocating motion in this beeline channel; One first connecting rod, one end pivot joint of its one end and this piston, the other end stretch into these two enlarged end one of them; And a second connecting rod, the other end pivot joint of its one end and this piston, the other end stretch into these two enlarged end wherein another.This first crankshaft has an axostylus axostyle and and is protruded by this axostylus axostyle radial direction and one of them the crank arm of these two enlarged end being placed in this cylinder body, and the other end pivot joint of this crank arm and this first connecting rod.This second crankshaft has an axostylus axostyle and and is protruded by this axostylus axostyle radial direction and these two enlarged end being placed in this cylinder body wherein another crank arm, and the other end pivot joint of this crank arm and this second connecting rod.
In addition, a kind of electric motor with damping function of the utility model, comprise at least one power transmission as above with damping function and a power source, it drives this second crankshaft to rotate, make this crank arm of this second crankshaft drive this reciprocating motion of the pistons of this cylinder via this second connecting rod, and make to drive with this first connecting rod of this piston pivot joint this first crankshaft to rotate and outputting power.
In an embodiment of the present utility model, this power source accepts a DC power supply, and this electric motor also comprises a dynamic antivibration inductance device, and it comprises: a stator, one rotor, this axostylus axostyle of itself and this second crankshaft is coupling, and rotates relative to this stator to be driven by this second crankshaft, three-phase coil, winding this stator or this rotor one of them, and this three-phase coil is connected to each other and forms the Y type coiling with a central point and three contacts, and a dynamic antivibration circuit, it has three free-wheel diode groups in parallel with this DC electrical source and two damping capacitors, each free-wheel diode group has one first free-wheel diode and one second free-wheel diode of series connection, between this first free-wheel diode that the contact of each phase coil is connected to this corresponding free-wheel diode group and this second free-wheel diode, this two damping capacitor is connected between this central point and anode of this DC electrical source, and between this central point and negative terminal of this DC electrical source, this rotor is relative to this stator rotation, this three-phase coil generation current can be made and via first free-wheel diode of this wherein free-wheel diode group, this damping capacitor be connected between the anode of this DC electrical source and this central point is charged, and via the second free-wheel diode of this another free-wheel diode group, to this damping capacitor charging be connected between this central point and negative terminal of this DC electrical source, with by described damping capacitor by store electric power recharging to this DC electrical source.
In an embodiment of the present utility model, this DC electrical source is a storage battery, this dynamic antivibration circuit also comprises an electrolytic cell in parallel with this storage battery, and the described damping capacitor of this dynamic antivibration circuit can first charge to this electrolytic cell, then is charged to this DC electrical source by this electrolytic cell.
In an embodiment of the present utility model, the negative electrode of this first free-wheel diode of each free-wheel diode group and the anode electric coupling of this DC electrical source, the negative electrode of this second free-wheel diode and the anode electric coupling of this first free-wheel diode, and the negative terminal electric coupling of the anode of this second free-wheel diode and this DC electrical source.
In an embodiment of the present utility model, this power source is a DC Brushless Motor, it comprises one drive circuit, this drive circuit and this DC electrical source electric coupling also comprise multiple damping capacitor, this drive circuit one of to produce counterelectromotive force instantaneously and can discharge to described damping capacitor, and this dynamic antivibration circuit can promote the voltage quasi position of the described damping capacitor of this drive circuit, the electric energy stored by described damping capacitor of this drive circuit is recharged to this DC electrical source.
The beneficial effects of the utility model are: drive the second crankshaft to rotate by power source, make the outputting power through second connecting rod drive cylinder synchronous operation, reach the function as existing vapour, internal combustion engine locomotive, and the internal-combustion engine of existing vapour, locomotive can be replaced, vapour, locomotive can be driven by direct current power, and by the running of dynamic antivibration inductance device, reach the utility model and have power saving and dynamical effect and object concurrently.
Accompanying drawing explanation
Fig. 1 to Fig. 4 is the start principle schematic of existing four-stroke internal combustion engine (motor).
Fig. 5 is the main member schematic diagram of the first embodiment of the utility model electric motor.
Fig. 6 to Fig. 9 illustrates the operation of the power transmission of the first embodiment.
Figure 10 is the main member schematic diagram of the second embodiment of the utility model electric motor.
Figure 11 is three-phase coil coiling schematic diagram, illustrates that the DC Brushless Motor of the first embodiment uses the three-phase coil of Δ type coiling.
Figure 12 is a circuit diagram, and the one drive circuit of the DC Brushless Motor of the first embodiment and the structure of a dynamic antivibration circuit are described.
Figure 13 is three-phase coil coiling schematic diagram, illustrates that the dynamic antivibration inductance device of the first embodiment uses the three-phase coil of Y type coiling.
Figure 14 is a circuit operation figure, and what the drive circuit of the first embodiment was described makes flowing mode.
Figure 15 illustrates the three-phase coil wherein two phase coil generation currents of the Y type coiling of dynamic antivibration inductance device in the first embodiment.
Figure 16 is a circuit operation figure, and what the drive circuit of the first embodiment and dynamic antivibration circuit were described makes flowing mode.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in figs. 5 and 6, the first embodiment that the utility model has an electric motor of damping function mainly comprises power transmission 3 (hereinafter referred to as power transmission 3) and the power source 5 that has damping function.As shown in Figure 6, power transmission 3 comprises cylinder 300,1 first crankshaft 2 and one second crankshaft 4.Wherein cylinder 300 comprises cylinder body 30, piston 31, first connecting rod 32 and a second connecting rod 33.Cylinder body 30 has a beeline channel 34 and is positioned at beeline channel 34 two ends, and two enlarged end 35,36 be communicated with beeline channel 34.And piston 31 is located in the beeline channel 34 of cylinder body 30, and can straight reciprocating motion in beeline channel 34, one end of first connecting rod 32 and one end pivot joint of piston 31, and the other end stretches in one of them enlarged end 35, one end of second connecting rod 33 and the other end pivot joint of piston 31, and the other end stretches into wherein in another enlarged end 36.
First crankshaft 2 has an axostylus axostyle 21 and and is protruded and the crank arm 22 be placed in the enlarged end 35 of cylinder body 30 by axostylus axostyle 21 radial direction, and the other end pivot joint of crank arm 22 and first connecting rod 32, whereby, when piston 31 straight reciprocating motion, the axostylus axostyle 21 of the first crankshaft 2 can be driven to rotate via first connecting rod 32 and crank arm 22, and by axostylus axostyle 21 outputting power.
Second crankshaft 4 has an axostylus axostyle 41, and is protruded and the crank arm 42 be placed in the enlarged end 36 of cylinder body 30 by axostylus axostyle 41 radial direction, and the other end pivot joint of this crank arm 42 and second connecting rod 33; The rotor (not shown) of power source 5 and the axostylus axostyle 41 of the second crankshaft 4 are coupling, and accept DC power supply and rotate to drive the second crankshaft 4, make piston 31 straight reciprocating motion driving cylinder body 30 via second connecting rod 33, such as shown in Fig. 6 to Fig. 9, piston 31 straight line moves up and down and drives the axostylus axostyle 21 of the first crankshaft 2 to rotate and outputting power via first connecting rod 32.Whereby, when power source 5 continue driving second crankshaft 4 rotate time, piston 31 in cylinder body 30 will be driven by second connecting rod 33 and continuous linear reciprocating motion, and drive the first crankshaft 2 to rotate and outputting power simultaneously, and the piston reached as traditional vapour, internal combustion engine locomotive is moved reciprocatingly in cylinder by fuel driven and drive effect of crankshaft outputting power.
And power source 5, such as motor or any known can the device of outputting power, rotate to drive the second crankshaft 4, and drive piston 31 linear reciprocating motion of cylinder body 30 through second connecting rod 33 by the crank arm 42 of the second crankshaft 4, the first crankshaft 2 is driven to rotate and outputting power by piston 31 again, this one converts rotary motion to straight line motion, the process converting rotary motion to by straight line motion is again referred to as damping effect, outputting power only can not be gone back toward front transfer always for this damping effect, the power that power source 5 exports whereby can be fully passed to the first crankshaft 2 via cylinder 300, make power source 5 more can save the energy and stronger.
Therefore, the electric motor with damping function of the present embodiment can be installed on vapour, locomotive, replace vapour, locomotive internal-combustion engine originally, vapour, locomotive can be driven by direct current power, and produce the effect as existing vapour, internal combustion engine locomotive drive crankshaft outputting power.
In addition, as shown in Figure 5, axostylus axostyle 21 side of usual first crankshaft 2 can configure a flywheel 7, flywheel 7 is disks that a rotary inertia is very large, the merit (power) mainly power source 5 being sent in working stroke to the first crankshaft 2 stores, in order to overcome resistance in other stroke, the first crankshaft 2 and first connecting rod 32 is driven to cross upper and lower stop, ensure that angular velocity of rotation and the Driving Torque of the first crankshaft 2 are even as far as possible, and make electric motor can overcome the overload of short time.Moreover axostylus axostyle 21 opposite side of the first crankshaft 2 connects a gearbox 8 usually, gearbox 8 in vehicle traveling process, can produce different gear ratio between motor and wheel, makes engine operation under the power performance level of its best.Therefore, the power exported by the first crankshaft 2 can carry out after suitable speed change configuration and conversion through gearbox 8, then exports a live axle (not shown) to, and band motor car wheel is operated.
Moreover, as shown in Figure 10, the second embodiment of the utility model electric motor, itself and the first embodiment uniquely different be in: the present embodiment uses four power transmissions 3 as shown in Figure 6, therefore in the present embodiment, first crankshaft 2 ' need have four with the crank arm 22 of the corresponding pivot joint of first connecting rod 32 in described cylinder body 30, and described cylinder body 30 can be towards roughly opposite direction arrangement, as shown in Figure 10, or be spaced in the mode spent apart from one another by (360/N), therefore four crank arms 22 of the first crankshaft 2 ' are also towards roughly opposite direction arrangement, as shown in Figure 10, or be spaced in the mode spent apart from one another by (360/N), be 4 routine at this with N.And second crankshaft 4 ' four crank arms 42 need be possessed, and two crank arms 42 separately protrude towards roughly opposite direction, as shown in Figure 10.Certainly, the mode that described crank arm 42 can also be spent apart from one another by (360/N) is spaced.And one end of second connecting rod 33 in described cylinder body 30 and the corresponding pivot joint of piston 31 in described cylinder body 1, the other end of described second connecting rod 33 then with the corresponding pivot joint of described crank arm 42 of the second crankshaft 4 ', as shown in Figure 10.Whereby, when the second crankshaft 4 ' is driven by power source 5 and rotates, the first crankshaft 2 ' more effectively can be driven to rotate through described power transmission 3.
And, the power source 5 of above-described embodiment is for a DC Brushless Motor (hereinafter referred to as DC Brushless Motor 5), it has a stator (not shown), the one rotor (not shown) rotated around stator, one three-phase coil 51 of winding on stator as shown in figure 11, and one drive circuit 52 as shown in figure 12.Wherein three-phase coil 51 adopts the coiling of Δ type, the headtotail of three-phase coil Lu, Lv, Lw and form three contacts U, V, W, each phase coil has central contact Un, Vn, a Wn, and coil Lu is divided into U1, U2 two sections by central contact Un, coil Lv is divided into V1, V2 two sections by central contact Vn, and coil Lw is divided into W1, W2 two sections by central contact Wn.
And as shown in figure 12, drive circuit 52 accepts DC electrical source V dCpower supply, and drive rotor to rotate through three-phase coil Lu, Lv, Lw of DC Brushless Motor 5, it mainly comprises three and DC electrical source V dCbrachium pontis (for convenience of description, hereinafter referred to as U phase brachium pontis, V phase brachium pontis and W phase brachium pontis) in parallel and six damping capacitor Cd.Wherein each brachium pontis respectively has switch U+, V+ on, W+, once switch U-, V-, W-, with each free-wheel diode D of switch U+, V+, W+ reverse parallel connection on this, and with the free-wheel diode D of each this lower switch U-, V-, W-reverse parallel connection, and three contacts U, V, W of this three-phase coil Lu, Lv, Lw are connected between the upper switch of corresponding respectively this brachium pontis and lower switch, as shown in figure 12.
Described damping capacitor Cd is connected respectively at this central contact Un, Vn, Wn of each phase coil Lu, Lv, Lw and this DC electrical source V dCanode between, and this central contact Un, Vn, Wn and this DC electrical source V dCnegative terminal between.
And as shown in Fig. 5 and Figure 10, above-described embodiment also comprises a dynamic antivibration inductance device 6, it is driven by DC Brushless Motor 5 via the second crankshaft 4 (4 '), and it constructs similar motor, that is dynamic antivibration inductance device 6 also has a stator, one and second crankshaft 4 (4 ') be coupling, the rotor that relative stator rotates to be driven by the second crankshaft 4 (4 '), one three-phase coil 61 as shown in fig. 13 that, and a dynamic antivibration circuit 62 as shown in figure 12.And in the present embodiment, three-phase coil 61 be winding on the stator of dynamic antivibration inductance device 6, and three-phase coil Lr, Lt, Ls are connected to each other and form the Y type coiling with a central point N and three contact R, S, T, as shown in figure 13.Preferably, in practical application, the rotor of dynamic antivibration inductance device 6 is provided at the periphery of stator and rotates around stator.Certainly, three-phase coil Lr, Lt, Ls also can winding on the rotor of dynamic antivibration inductance device 6, rotate with rotor 31, and export with the electric energy having brush mode three-phase coil Lr, Lt, Ls to be produced.
And as shown in figure 12, dynamic antivibration circuit 62 comprises three and DC electrical source V dCfree-wheel diode group (for convenience of description, hereinafter referred to as R phase free-wheel diode group, S-phase free-wheel diode group and T-phase free-wheel diode group), two damping capacitor Cd in parallel, and an electrolytic cell Va.Wherein each free-wheel diode group has the one first free-wheel diode D1 and one second free-wheel diode D2 that are one another in series, and between contact R, S, T of this three-phase coil Lr, Lt, Ls the first free-wheel diode D1 of being connected to corresponding each free-wheel diode group and the second free-wheel diode D2, as shown in figure 12.
This two damping capacitor Cd is connected to central point N and this DC electrical source V of this three-phase coil Lr, Lt, Ls dCanode between, and this central point N and this DC electrical source V dCnegative terminal between, and electrolytic cell Va and DC electrical source V dCin parallel.And in the present embodiment, DC electrical source V dCbe a storage battery, the electric energy being therefore stored in electrolytic cell Va can recharge to DC electrical source V dC.
Therefore, as shown in figure 14, when drive circuit 52 controls a wherein brachium pontis within a fundamental period, the upper switch U+ of such as U phase brachium pontis and another brachium pontis, such as, during the lower switch V-conducting of V phase brachium pontis, U phase coil Lu can via upper switch U+ and lower switch V-and DC electrical source V dCconnect and produce the rotor running of magnetic force moving DC Brushless Motor 5, making the rotor synchronous rotary driving dynamic inductance device 6 via the second crankshaft 4 (4 ').Whereby, when the rotor of dynamic inductance device 6 is relative to stator rotation, three-phase coil Lr, Lt, Ls generation current can be made, the coil Lr generation current of such as Figure 15, its contact R is positive pole and central point N is negative pole, and coil Lt generation current, its central point N is positive pole and contact T is negative pole.Therefore, the electric current of coil Lr can via the first free-wheel diode D1 of R phase free-wheel diode group, to being connected to DC electrical source V dCanode and central point N between this damping capacitor Cd charge, and the electric current of coil Lt can via the second free-wheel diode D2 of T-phase free-wheel diode group, to being connected to central point N and DC electrical source V dCnegative terminal between this damping capacitor Cd charge, and described damping capacitor Cd can first charge (because the voltage quasi position of now electrolytic cell Va is lower than DC electrical source V to this electrolytic cell Va dC), until the voltage quasi position of electrolytic cell Va is higher than DC electrical source V dCtime, electrolytic cell Va is namely to this DC electrical source V dCcharging.
And, as shown in figure 16, terminate when the fundamental period of drive circuit 52, when drive circuit 52 controls upper switch U+ and lower switch V-not conducting, U1, U2 section of U phase coil can produce counterelectromotive force Vu1, a Vu2 instantaneously respectively, the electric current that counterelectromotive force Vu1 wherein in U1 section generates can follow shortest path, via the free-wheel diode D that the lower switch U-with U phase brachium pontis is in parallel, to this central contact Un and the DC electrical source V that are connected to this U phase coil Lu dCnegative terminal between this damping capacitor Cd charge, and the electric current that the counterelectromotive force Vu2 in U2 section generates also can follow shortest path, via the free-wheel diode D that the upper switch V+ with V phase brachium pontis is in parallel, to the central contact Un and the DC electrical source V that are connected to this U phase coil Lu dCanode between this damping capacitor Cd charge.
In addition, about the thin portion explanation of above-mentioned dynamic antivibration inductance device 6 can with further reference to Taiwan Application No. No. 104122364 patent application case.
Whereby, the electric current that the counterelectromotive force produced by coil is formed can not flow through DC electrical source V dC, the high pressure counterelectromotive force produced in the moment of switch not conducting except avoiding the three-phase coil of DC Brushless Motor 5 is directly to DC electrical source V dCoutside impacting, the counterelectromotive force energy storage that also three-phase coil can be produced is in the damping capacitor Cd of drive circuit 52, and then through the current potential that the described damping capacitor Cd of dynamic antivibration circuit 62 promotes the described damping capacitor Cd of drive circuit 52, make the electric power stored by described damping capacitor Cd of drive circuit 52 recharge to DC electrical source V smoothly dC, and contribute to power saving and by electric energy recycling.
Therefore, above-described embodiment drives the second crankshaft 4 (4 ') to rotate by power source (DC Brushless Motor) 5, make to drive the first crankshaft 2 (2 ') synchronous operation and outputting power through power transmission 3, reach the function as existing vapour, internal combustion engine locomotive, and the internal-combustion engine of existing vapour, locomotive can be replaced, vapour, locomotive can be driven by direct current power, and by the running of dynamic antivibration inductance device 6, reach the utility model and have power saving and dynamical effect and object concurrently.

Claims (6)

1. there is a power transmission for damping function, it is characterized in that:
This power transmission with damping function comprises:
One cylinder, it comprises:
One cylinder body, it has a beeline channel and is positioned at this beeline channel two ends, and two enlarged end be communicated with this beeline channel;
One piston, it is located in this beeline channel of this cylinder body, and can straight reciprocating motion in this beeline channel;
One first connecting rod, one end pivot joint of its one end and this piston, the other end stretch into these two enlarged end one of them; And
One second connecting rod, the other end pivot joint of its one end and this piston, the other end stretch into these two enlarged end wherein another;
One first crankshaft, has an axostylus axostyle and and is protruded by this axostylus axostyle radial direction and one of them the crank arm of these two enlarged end being placed in this cylinder body, and the other end pivot joint of this crank arm and this first connecting rod; And
One second crankshaft, has an axostylus axostyle and and is protruded by this axostylus axostyle radial direction and these two enlarged end being placed in this cylinder body wherein another crank arm, and the other end pivot joint of this crank arm and this second connecting rod.
2. there is an electric motor for damping function, it is characterized in that:
This electric motor with damping function comprises:
At least one power transmission as claimed in claim 1 with damping function; And
One power source, in order to drive this second crankshaft to rotate, makes this crank arm of this second crankshaft drive this reciprocating motion of the pistons of this cylinder via this second connecting rod, and makes to drive this first crankshaft to rotate with this first connecting rod of this piston pivot joint and outputting power.
3. the electric motor with damping function according to claim 2, is characterized in that: this power source accepts a DC power supply, and this electric motor also comprises a dynamic antivibration inductance device, and it comprises:
One stator;
One rotor, this axostylus axostyle of itself and this second crankshaft is coupling, and rotates relative to this stator to be driven by this second crankshaft;
Three-phase coil, winding this stator or this rotor one of them, and this three-phase coil is connected to each other and forms the Y type coiling with a central point and three contacts; And
One dynamic antivibration circuit, it has three free-wheel diode groups in parallel with this DC electrical source and two damping capacitors, each free-wheel diode group has one first free-wheel diode and one second free-wheel diode of series connection, between this first free-wheel diode that the contact of each phase coil is connected to this corresponding free-wheel diode group and this second free-wheel diode, this two damping capacitor is connected between this central point and anode of this DC electrical source, and between this central point and negative terminal of this DC electrical source, this rotor is relative to this stator rotation, this three-phase coil generation current can be made and via first free-wheel diode of this wherein free-wheel diode group, this damping capacitor be connected between the anode of this DC electrical source and this central point is charged, and via the second free-wheel diode of this another free-wheel diode group, to this damping capacitor charging be connected between this central point and negative terminal of this DC electrical source, with by described damping capacitor by store electric power recharging to this DC electrical source.
4. the electric motor with damping function according to claim 3, it is characterized in that: this DC electrical source is a storage battery, this dynamic antivibration circuit also comprises an electrolytic cell in parallel with this storage battery, and the described damping capacitor of this dynamic antivibration circuit can first charge to this electrolytic cell, then by this electrolytic cell, this DC electrical source is charged.
5. the electric motor with damping function according to claim 3, it is characterized in that: the negative electrode of this first free-wheel diode of each free-wheel diode group and the anode electric coupling of this DC electrical source, the negative electrode of this second free-wheel diode and the anode electric coupling of this first free-wheel diode, and the negative terminal electric coupling of the anode of this second free-wheel diode and this DC electrical source.
6. the electric motor with damping function according to claim 3, it is characterized in that: this power source is a DC Brushless Motor, it comprises one drive circuit, this drive circuit and this DC electrical source electric coupling also comprise multiple damping capacitor, this drive circuit one of to produce counterelectromotive force instantaneously and can discharge to described damping capacitor, and this dynamic antivibration circuit can promote the voltage quasi position of the described damping capacitor of this drive circuit, the electric energy stored by described damping capacitor of this drive circuit is recharged to this DC electrical source.
CN201520769525.1U 2015-09-30 2015-09-30 Power transmission device and electric motor with damping function Expired - Fee Related CN205089452U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106555671A (en) * 2015-09-30 2017-04-05 徐夫子 Power transmission with damping function and electric motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106555671A (en) * 2015-09-30 2017-04-05 徐夫子 Power transmission with damping function and electric motor

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