CN107800246B - For reducing the device and vehicle of hf interference current - Google Patents
For reducing the device and vehicle of hf interference current Download PDFInfo
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- CN107800246B CN107800246B CN201710749607.3A CN201710749607A CN107800246B CN 107800246 B CN107800246 B CN 107800246B CN 201710749607 A CN201710749607 A CN 201710749607A CN 107800246 B CN107800246 B CN 107800246B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
- H02K11/028—Suppressors associated with the rotor
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Abstract
The present invention relates to a kind of devices for reducing in the hf interference current at least through motor in driven driving system of vehicle, the device obstructs element at least one and/or at least one row disturbs element, the driving system includes at least one first axle section and the second axis section, wherein, torque is transmitted with the end of the second axis section and is mechanically effectively connect in the end of first axle section, furthermore motor includes at least one first ground connection section, the first ground connection section forms the earth potential of motor, and furthermore driving system includes the second ground connection section, the second ground connection section forms the earth potential of driving system.The vehicle for being is driven with motor and at least through motor is driven in addition, the present invention relates to a kind of, is had for reducing the device for driving the hf interference current in being in vehicle.
Description
Technical field
The present invention relates to a kind of High-frequency Interferences at least through motor in driven driving system for reducing in vehicle
The device of electric current, which obstructs element at least one and/or at least one row disturbs element, and driving system includes at least one
First axle section and the second axis section, wherein the end of the end of first axle section and the second axis section is in order to transmit torque quilt
Furthermore mechanically effectively connection, motor include at least one first ground connection section, which forms the ground electricity of motor
Gesture, and driving system furthermore includes the second ground connection section, which forms the earth potential of driving system.In addition, of the invention
It is related to a kind of with motor and at least through the vehicle of the driven driving system of motor, has for reducing driving in vehicle
The device of hf interference current in system.
Background technique
It the use of for driving the motor of vehicle is known in modern vehicle technology.Here, such vehicle can be such as
It is pure electric vehicle, however equally may be configured to hybrid vehicle, which not only has internal combustion engine to drive
And there is motor.In order to store necessary electric energy, high direct voltage battery is commonly used herein.In order to which DC current is converted
At the alternating current being required mostly by motor commonly using pulse converter (taktender Umrichter, otherwise referred to as when
Clock converter), it may be mounted to that in the power electric device of vehicle.Among other reasons, especially in the feelings of the conversion
Interference electric current often with upper frequency is produced in shape.In the situation without corresponding countermeasure, these interference electric currents can be
The interference in the electrical system of vehicle is propagated and causes in vehicle, especially in the driving system of vehicle, until interference electric current arrives
Radiation in ambient enviroment often for example even may interfere with the radio of radio reception, such as vehicle.
According to known in the art, directly at the source of interference electric current, i.e. for example in the converter and/or
The filter device for removing especially hf interference current is used in motor.However this is often expensive because due to compared with
Most of high power filter device implemented in the car is large volume and partly even needs active cooling device.
In addition, obstructing measure (such as clutch of electric insulation) or for example being arranged as known to 10 2,015 100 847 A1 of file DE
Disturb measure (such as sliding contact (Schleifkontakte) or conduction supporting arrangement) can be used for decay interference electric current driving
It moves the propagation in system or exports the interference electric current from driving system.However here, such insulation clutch is large volume again
And furthermore often equally cause the reduction of torque that can be transmitted in driving system.Furthermore it is proved as follows, that is, interference electric current is logical
The rolling bearing of conduction or the propagation efficiency of sliding contact are crossed particularly with being reduced for hf interference current.Similarly, this
The rolling bearing or sliding contact of the conduction of sample are subjected to higher abrasion.
Summary of the invention
Therefore task of the invention lies at least partly eliminate disadvantage describe above and improve dry for reducing high frequency
Disturb the device and vehicle of electric current.Especially task of the invention lies in, that is, provide a kind of for reducing the dress of hf interference current
It sets and a kind of vehicle, propagation of the hf interference current in driving system is made in a manner of extremely simple and cost-effective
Effective reduce is possibly realized and/or hf interference current is become from the export as effective as possible in driving system as far as possible
It may.
Task above is solved by a kind of device according to the present invention for being used to reduce hf interference current.In addition,
The task is solved by a kind of vehicle according to the invention.Other advantage of the invention is obtained by the description and the appended drawings.?
This, the feature and details described in combination with the apparatus according to the invention is obviously equally fitted with vehicle according to the invention in combination
With and correspondingly vice versa so that always can be cross-referenced about the disclosure to each inventive aspect.
According to the first aspect of the invention, which passes through a kind of for reducing being driven at least through motor in vehicle
Driving system in the device of hf interference current solve, the device have at least one obstruct element and/or at least one
Row disturbs element, which includes at least one first axle section and the second axis section, wherein the end of first axle section and the
The end of two axis sections is mechanically effectively connected to transmit torque, furthermore motor includes at least one first ground connection section,
The first ground connection section forms the earth potential of motor, and driving system furthermore includes the second ground connection section, the second ground connection section shape
At the earth potential of driving system.Apparatus according to the invention is characterized in that, that is, obstructing element includes and first axle section and second
The decoupling capacitors for first axle section and the capacitor-decoupling of the second axis section that axis section is electrically coupled, and/or row disturbs member
Part include conductively be arranged between the second axis section and the second ground connection section for opposite second access area of the second axis section
The capacity coupled coupling capacitor of section, and/or to disturb element include electrical high-frequency conductors to row, the electrical high-frequency conductors are conductively extremely
It is arranged in small part section between the second ground connection section and the first ground connection section.
Apparatus according to the invention setting is for using in the driving system of vehicle or locating.As long as in addition, technically may be used
Can ground and/or meaningfully, the apparatus according to the invention may equally be used needs to reduce at this other High-frequency Interference electricity
In the position of stream.Here, vehicle has the motor for being configured to driving driving system.For this purpose, motor is as motor quilt
Operation.It is run in addition, most of motor equally can be used as generator, wherein the apparatus according to the invention is same in this case
Sample can be used for reducing hf interference current.Here, driving system is at least configured to two-piece type and has first axle section and second
Axis section.Here, therefore most of axis section is by metal material and electrically conductive construct.In order to transmit torque, two axis sections
Ground mechanically to each other effectively connection, wherein each end of especially the first and second axis sections is each other by mechanically effective thus
Connection, such as pass through grafting teeth portion (Steckverzahnung).Relative to clutch, torque can provide in this way in axis area
The transmitting of particularly effective and free of losses or at least low loss between section.In addition, motor includes the first ground connection section and drive
Dynamic system includes the second ground connection section, they correspondingly form the earth potential of respective element.Ground connection section or ground in this way
Potential can be improved and ensure safety of the user in the situation for being using motor or driving, herein because of the danger of electric shock
Thus it can be avoided by or can at least be significantly reduced.Preferably, it is grounded the shell that section may include corresponding structural detail herein
Or it is even formed by the shell.In addition, in most of special electric potential balancing conductor being grounded between section or even legally
It is prescribed.
Especially (however equally being caused by other sources) may occur in which hf interference current in the situation of operation motor, the height
Frequency interference electric current can especially be propagated in driving system.Here, high frequency in the sense of the invention mean especially that it is as follows, that is,
The frequency of interference electric current is several kilo hertzs herein, often even megahertz or gigahertz.This can for example lead to motor itself or vehicle
Other electrical or electronic device interference.It especially equally can produce radiation of the interference electric current into ambient enviroment, thus
Such as radio reception can be disturbed.In order to reduce these interference electric currents, the apparatus according to the invention is obstructed at least one
Element and/or at least one row disturb element.
For the present invention importantly, herein at least one obstruct element and/or at least one row disturb element can be with
A possibility that different, constructs as different measures.Therefore it can be set as follows according to the present invention according to the first possibility, that is,
Obstructing element includes the electricity for first axle section and the second axis section being electrically coupled with first axle section and the second axis section
Hold the decoupling capacitors of decoupling.By be electrically coupled can provide in a particularly simple way it is as follows, that is, two axis sections are not straight
It connects and is conductively connected to each other.Thus the interference electric current for being configured to DC current can be avoided reliably.By the solution for having low capacitor
The design scheme of coupling capacitor, furthermore hf interference current can be equally suppressed by the transmission of decoupling capacitors, wherein the suppression
The intensity of system increases with the reduced capacitor of decoupling capacitors.Here, the capacitor is corresponding to decoupling capacitors as high pass
The function of filter preferably can equally be matched with the frequency to be expected of interference electric current.Here, total work of used measure
The spurious impedance in being is driven with other being located at is particularly depended on.Preferably, capacitor can for example be matched with limiting frequency,
No longer or at least no longer there is or expects the hf interference current being worth mentioning in its top.Here, coupling capacitor can be such as
It is formed by the layer of the electric insulation in the region that machinery effectively connects between the end of axis section.In this manner, especially
The use of clutch relative to electric insulation can save weight and/or required structure space, wherein furthermore equally not
Interfere or at least only indistinctively interfere the transmitting of the torque between axis section.It is same by the less requirement to structure space
It can provide as follows, that is, the coupling capacitor can be used in close interfering in the situation without the variation in expensively design
At the source of electric current, for example close to motor.High-frequency current especially early and thus thus effective reduce can be provided.
The second alternative or additional possibility is importantly arranged to for the present invention, that is, it includes electricity that row, which disturbs element,
The capacitor that section is grounded for the second axis section opposite second being arranged in gas between the second axis section and the second ground connection section
The coupling capacitor of coupling.In other words, coupling capacitor is with respect to the second axis section and electrically in parallel with respect to the second ground connection section.
It can particularly simply provide in this way as follows, that is, on the one hand the second axis section and the second ground connection section keep electric relative to each other
Edge and the another aspect of drawing last breath however may make hf interference current by the second axis section to second ground connection section diversion become can
Energy.This electrical characteristic for passing through capacitor as already mentioned above realizes that DC current is not transmitted, however to exchange
The transmission of electricity is possibly realized, wherein the frequency of interference electric current is higher, and the transmission is more effective.Therefore, hf interference current passes through this
The coupling capacitor of sample is by particularly good by the second axis section diversion into the second ground connection section.In the situation of coupling capacitor
In be advantageous as follows herein, that is, coupling capacitor capacitor with higher, because of coupling efficiency
(Auskoppeleffektivit t) equally increases with the increased capacitor of coupling capacitor.Particularly by according to the present invention
Coupling capacitor may make and be possibly realized as follows, that is, the coupling output of interference electric current can without the second axis section with
It is provided in the situation of Mechanical Contact between second ground connection section.It is particularly based on the non-contact of proposed capacitive coupling output
Action principle, such as relatively according to prior art sliding contact can provide no maintenance cost without abrasion run.Similarly,
The component proposed is resistive with respect to the pollution using liquid or foreign matter in its action principle in principle.In basis
In the longer service life of the device of the invention and the simultaneously situation of lesser ease for maintenance (Wartungsanf lligkeit)
Therefore particularly good diversion can be provided by the possibility.First axle is electrically arranged in when row disturbs element and is similarly included
The capacity coupled coupling capacitor that section is grounded for first axle section opposite first between section and the first ground connection section
When, herein without departing from introduction according to the present invention.Therefore, all advantages describe above equally can be in the design scheme form
Situation in be provided.
According to same alternative or additional third possibility, importantly furthermore can be set to for the present invention, that is,
It includes electrical high-frequency conductors that row, which disturbs element, which is conductively at least partly arranged in section the second ground connection section
Between the first ground connection section.Preferably, entire between the second ground connection section and the first ground connection section in this high-frequency conductors
Extend on section and has therefore been individually the conductive connection between these ground connection sections.It is herein it is preferred to ensure that as follows,
That is, high-frequency conductors itself do not become radiating element in the situation of diversion interference electric current.It is conductively connected accordingly, for these
Identical earth potential is configured with for ground connection section.Here, high-frequency conductors are for Guiding high frequency electric current according to the present invention
Particularly good suitable conductor, such as pass through its material and/or its construction.In this manner, being directed to the second ground connection section
In hf interference current can particularly good and effectively be transmitted in the first ground connection section.This is especially advantageous as follows
, because the first ground connection section is the source that the earth potential of motor and motor are often hf interference current.Hf interference current
Lead for particularly good time and thus particularly effective balance can be therefore by the high frequency between the second and first ground connection section
Conductor provides.
To sum up, by it is describe above a possibility that each can be provided separately driving be in height
Frequency interference electric current avoids.Here, the efficiency of single measure depends on the electrical characteristic of remaining driving system herein, especially for example posts
Raw impedance.It can further improve the efficiency avoided by the combination of at least two in described possibility.
Therefore it can be particularly preferably set as follows in a kind of situation of apparatus according to the invention, that is, device tool
There are at least one decoupling capacitors and at least one coupling capacitor and at least one high-frequency conductors.Can provide in this way as
Under, that is, it is enumerated above a possibility that each of be used to avoiding the high frequency in driving driven by motor system dry
Disturb electric current.Therefore all the advantages of having described above, can be obtained simultaneously.Therefore, can particularly good be pressed down by decoupling capacitors
Transmission of the hf interference current processed in driving system.Coupling capacitor may make hf interference current by driving system to ground connection section
In and thus the particularly effective coupling output into earth potential and diversion are possibly realized, wherein high-frequency conductors and then can will
The interference electric current of coupled output particularly effectively and without greater loss conduct be back to motor and thus most of conduction to dry
Disturb the source of electric current.Therefore all combinations by the available possible measure of the apparatus according to the invention are to pass through motor
The especially good and effective of hf interference current in driven driving system is reduced.
In addition, can be set as follows in a kind of situation of apparatus according to the invention, that is, decoupling capacitors, which have, to be less than
The capacitor of about 10nF, desirably less than about 1nF.As having been carried out above, the efficiency of decoupling capacitors is bigger,
Capacitor is smaller.However, arbitrarily small capacitor often only not can provide in the case of larger cost or even completely.From it is following go out
Hair, that is, be less than about 10nF, desirably less than about 1nF capacitor situation in, for appearance interference electric current in vehicle
The most of abundant of the transmission of the hf interference current in driving system is may be implemented in for the frequency of most frequent generation
Prevent and therefore realize the electrical decoupling of first axle section and the second axis section about hf interference current.Therefore, these values
It is preferably to be worth for the capacitor of decoupling capacitors, because its one side provides hf interference current according to the present invention
Reduction and on the other hand can also be manufactured in the situation without excessive cost.
In addition, a kind of apparatus according to the invention can construct as follows, that is, coupling capacitor has greater than about 10nF, excellent
Selection of land is greater than the capacitor of about 20nF.As having been carried out above, the efficiency of coupling capacitor is bigger, and capacitor is bigger.Appoint
It anticipates big capacitor however often only not can be provided that completely in the case of larger cost or even.It is proved as follows herein, that is,
Be greater than about 10nF, preferably more than about 20nF capacitor situation in, for appearance interference electric current in the car
It can realize that hf interference current is most into the second ground connection section by the second axis section for the frequency of most frequent generation
It counts sufficient diversion and therefore can realize that hf interference current is exported from the electrical decoupling of the second axis section.Therefore, these values are
Preferred value for the capacitor of coupling capacitor, because its one side provides hf interference current according to the present invention
Reduction and on the other hand can also be manufactured in the situation without excessive cost.
It is particularly preferred that can be set in a kind of situation of apparatus according to the invention, that is, the capacitor of decoupling capacitors
It is smaller compared to the capacitor of coupling capacitor, be especially up to its about 1/10th, preferably at most its about 20/
One.In a kind of design scheme form of implementation of apparatus according to the invention, not there is only decoupling capacitors and deposit wherein
In coupling capacitor, these capacitors form especially complicated divider, are for example divided into interference electric current by the divider
Second axis section and the second ground connection section.By the especially dual use of capacitor (i.e. coupling capacitor and decoupling capacitors),
It may make and be possibly realized as follows herein, that is, especially when the impedance for the measure taken exists in driving system relative to remaining
Impedance when accounting for leading, then the divider has the feature for being at least substantially not dependent on frequency.It is advantageous as follows herein, especially
The high frequency section of its interference electric current by the export of driving system and is fed into the second ground connection section by the divider.This is according to this hair
It is bright to may be accomplished by, that is, the capacitor of decoupling capacitors compared to coupling capacitor is smaller, be especially up to its about ten
/ mono-, preferably at most its about 1/20th.Thus, for example the capacitor in coupling capacitor compares decoupling capacitors
It can be by the voltage potential of the interference electric current in driving system defeated by the coupling of coupling capacitor in big double situation
It is, for example, three factor decline after out.In the capacitor of the coupling capacitor situation twenty times greater compared to decoupling capacitors,
The factor can rise in about 21 value.On the whole, therefore it can provide especially good and effective export and therefore
The reduction of hf interference current in driving system is provided.
In addition, a kind of apparatus according to the invention can construct as follows, that is, decoupling capacitors pass through first axle section or second
Nonconducting coating of at least one of the mechanical end effectively connected of the participation of axis section is formed.As described above
Like that, most of axis section by metal material and especially electrically conductive constructs.It may make by mechanical effectively connection in axis section
Between the transmitting of torque be possibly realized.For this purpose, shape is matched each other for most of mechanical end effectively connected of the participation of axis section
Ground arrangement is closed, such as in grafting teeth portion.Cooperated by the shape, axis segments contact, thus it is identically constructed have axis section it
Between electrically conductive property.By participating in nonconducting coating of at least one of mechanical end effectively connected, charge is by first
It can be prevented to the second axis section or the opposite direct conduction.It can particularly preferably be set as follows thus, that is, nonconducting
Coating covers the entire section of the end of corresponding axis section.In addition to the direct electric insulation of two axis sections relative to each other, pass through
Two of nonconducting coating and axis section participate in being configured with capacitor together with the mechanical end effectively connected, the capacitor with
Two axis sections connect and are therefore decoupling capacitors in the sense of the invention.For providing the additional of decoupling capacitors
Therefore structural detail can be avoided by.A kind of apparatus according to the invention therefore can be in this way particularly simply and especially compact
Ground building.In addition, first axle section or the second axis section (its can be equally prevented or at least obviously limited by nonconducting coating
Often formed by metal material as implemented above) the mechanical end effectively connected of participation corrosion.
Preferably, it can be set to according to the further development of the apparatus according to the invention, that is, first axle section or the second axis
At least one of section participates in the mechanical end effectively connected to form nonconducting coating by phosphatization.In such phosphatization
In situation, is formed on the processed surface for participating in the mechanical end effectively connected and be made of the metal phosphate of secure adhesion
Conversion layer (Konversionsschicht).Here, the conversion layer is preferably directly formed in the material of axis section, from
And it can avoid the application for the additional materials for being used to form coating.The manufacture of driving system equipped with the apparatus according to the invention can be by
This is simplified.Similarly, such phosphatization surface is equally especially wear-resisting other than its electrical insulative property.Thus it can mention
For as follows, that is, the machinery formed by two ends of axis section effectively connection is especially special compared to the coating with plastic material
It is not easy to maintain and durable.
In addition, a kind of apparatus according to the invention can construct as follows, that is, coupling capacitor is by having at least one disk
The variable condenser of (Scheibenpaar) is formed, wherein the first disk of disk pair electrically and mechanically with the second axis
Section is connected and the second disk of disk pair is electrically and mechanically connected with the second ground connection section.By correspondingly same
The arrangement of two disks of conductive disk pair itself, provides a kind of capacitance characteristic, thus according to the coupling of the device of the invention
Conjunction capacitor can be extremely simple and be compactly constructed.Here, the capacitor of such variable condenser is existed by the disk of disk pair
It the face that is overlapped thereon and is determined by its mutual spacing.By the presence of multiple disks pair, furthermore can particularly simply mention
For being formed by the increase of the capacitor of variable condenser.It include especially sliding contact and/or biography compared to what is be known from the state of the art
The solution for the supporting arrangement led can provide high frequency by the coupling capacitor according to the present invention for being configured to variable condenser
Interference electric current is by driving system contactless and thus without abrasion deflecting from or exporting into ground connection section.Similarly with this
Mode may make the raising in service life of the driving system equipped with the apparatus according to the invention and the reduction of ease for maintenance to be possibly realized.
In addition, can be set in a kind of situation of apparatus according to the invention, that is, electrical high-frequency conductors are closed with high frequency
Strand (HF-Litze) is especially configured to high frequency twine.By high-frequency conductors, first and second it is grounded section according to the present invention
It is conductively connected each other.Thus continuous common earth potential can be provided.Preferably, ground connection section may be configured to equip herein
The shell or casing member of each element of the driving system of with good grounds the device of the invention.High frequency in the sense of the invention
The conductor conductor especially particularly suitable for the conduction of high-frequency current herein.High frequency twine is formed by multiple single stocks,
These stocks correspondingly electric insulation and electrical in parallel each other relative to each other.In addition, these single are used to form high frequency twine
Stock it is most of so wrapped around one another, i.e., so that occupying in intermediate each single stock identical frequency in the total of high frequency twine
Position as each as possible in cross section.Unfavorable effect (such as solid can be led single for the conduction of high-frequency current
The so-called skin effect (Skin-Effekt) occurred in the situation of line) it can thus be avoided by or at least be significantly attenuated.Pass through
Therefore high frequency twine can particularly simply provide high-frequency conductors according to the present invention.
According to the second aspect of the invention, the task is by a kind of with motor and at least through the driven driving of motor
The vehicle of system has the device for being used to reduce the hf interference current in the driving system of vehicle to solve.According to the present invention
Vehicle be characterized in that, be configured with device according to the first aspect of the invention.
Correspondingly, vehicle according to the invention brings identical advantage, as it is in detail referring to according to the present invention
As the apparatus according to the invention of first aspect is explained.
Detailed description of the invention
Other advantage, feature and details of the invention is obtained by following description, is explained in detail with reference to the accompanying drawings wherein
The embodiment of the present invention.Here, in the claims and in the description mentioned feature can correspondingly itself individually or
It is important for the present invention in any combination.Element with identical function and action principle is set in various figures
There is identical appended drawing reference.Wherein:
Fig. 1 schematically shows driving system according to prior art,
Fig. 2 schematically shows the simplified substitution diagram of driving system,
Fig. 3 schematically shows the driving system with the apparatus according to the invention,
Fig. 4 schematically shows the axis section of driving system
Fig. 5 schematically shows the first frequency characteristic in the situation using the apparatus according to the invention,
Fig. 6 schematically shows the second frequency feature in the situation using the apparatus according to the invention, and
Fig. 7 schematically shows vehicle according to the invention.
Reference signs list
1 device
2 vehicles
10 driving systems
11 first axle sections
12 ends
13 second axis sections
14 ends
15 second ground connection sections
20 motors
21 first ground connection sections
30 obstruct element
31 decoupling capacitors
32 coating
40 rows disturb element
41 coupling capacitors
42 variable condensers
43 disks pair
44 first disks
45 second disks
46 high-frequency conductors
50 batteries
51 power electric devices
52 internal combustion engines
53 clutches
54 transmission mechanisms
55 differential mechanisms
56 supporting arrangements
57 driving wheels
58 wheel suspensions
60 direct current conductors
61 phase conductors
70 earth potentials
80 amplitude responses (without the apparatus according to the invention)
81 amplitude responses (have the apparatus according to the invention)
90 phase characteristics (without the apparatus according to the invention)
91 phase characteristics (have the apparatus according to the invention)
100 interference electric currents
101 potential differences (before the apparatus according to the invention)
102 potential differences (after the apparatus according to the invention)
103 radiation.
Specific embodiment
Fig. 1 shows that vehicle 2, the driving of hybrid vehicle driven by least one motor 20 is 10 herein, such as it
As known in the art.Here, driving is 10 can have many different elements, such as clutch as depicted
Device 53, transmission mechanism 54 and/or differential mechanism 55 and for mechanical energy to be transported at the driving wheel 57 of vehicle 2, the driving wheel 57
Such as it is arranged at vehicle 2 by wheel suspension 58.Supporting arrangement 56 ensures that driving is the 10 especially low friction in vehicle 2
Bearing.Here, discribed driving is 10 to be used in and be configured to hybrid vehicle and equally have other than motor 20
Have in the vehicle 2 of internal combustion engine 52.Here, motor 20 can be used as motor or alternatively be run as generator.For
Required electric energy is provided by battery 50 for operation as motor 20, which is preferably configured to direct current height
Piezoelectric battery.Via direct current conductor 60, electric energy is conducted to power electric device 51 as DC current, in the power electric device
It is converted into alternating current in 51 and is and then fed to motor 20 via phase conductor 61.In this turn of DC current to alternating current
It in the situation changed and especially equally can produce the generation of hf interference current 100, the high frequency in the situation of the operation of motor 20
Interference electric current 100 is shown in Fig. 1 as the arrow of arc.It is 10 and its element, these interference electric currents 100 such as institute via driving
It can be propagated on entire vehicle 2 as description and for example cause to interfere in the electrical system of vehicle 2.Here, interference electricity
Thus stream 100 for example can produce in radio reception, for example install to the equally possible appearance of radiation 103 at ambient enviroment
Interference in the radio in vehicle 2.
Show that driving is 10 simplified substitution diagram in Fig. 2.It schematically depicts herein as follows, that is, drive
It is dynamic be 10 arrangements pass through on the one hand phase conductor 61 be supplied between the motor 20 of electric energy and another aspect wheel suspension 58 and
The electrical connection of these structural details is equally provided other than mechanical connection.This passes through electrical component or impedance in Fig. 2
X_i is shown.Impedance X_i especially transmits the element of torque herein, can for example be configured to axis section 11,12 herein, be configured to
Clutch 53, is configured to grafting teeth portion at the meshing gear (Zahnradpaarung) for being configured to transmission mechanism 54 or differential mechanism 55
Or the element being configured like.Therefore, it is 10 that these impedances X_i, which influences interference electric current 100 (not described together) along driving,
Propagation.Furthermore impedance Y_i is depicted, is that the rotating member for being 10 and fixing element is being driven (to be especially grounded section 15,21
Or shell) between electrical connection.These connections can be for example supporting arrangement 56 (not described together), sealing element, cold
But device or the like.Therefore, impedance Y_i influence interference electric current 100 by driving be 10 to be grounded section 15,21 on export or
Person's diversion.In addition, furthermore electric connecting element or connection impedance Z _ i are described together, it is 10 difference member by its driving
The shell or ground connection section 15,21 of part are connected each other in an electrically conductively, wherein the ground connection section 21 of motor 20 is especially equally by one
Play connection.These impedance Z _ i can for example be configured to screw engagement (Verschraubung) in vehicle 2 and with vehicle 2, structure
It causes to balance conductor, be configured to shielding or the like and be accordingly used in conducting interference electric current 100 to return to its source (most of its
It is power electric device 51).
Here, the apparatus according to the invention 1 can in the situation of all three impedances X_i, Y_i and Z_i individually, it is excellent
Selection of land promotes to improve at all three positions in combination.Thus, for example impedance X_2 is configured to obstruct element 30, especially herein
It is configured to decoupling capacitors 31.Especially may be used in the situation of the decoupling capacitors 31 with the capacitor less than 10nF as a result,
It avoids or at least obvious inhibition is especially in the propagation that driving is the hf interference current 100 in 10.In addition, impedance Y_3 is configured to
Row disturbs element 40, is especially configured to coupling capacitor 41.As a result, especially with the coupling capacitor 41 greater than 10nF capacitor
It is the 10 especially good and effective export into ground connection section 15 that especially hf interference current 100 be can provide in situation by driving
Or diversion.As third measure, the apparatus according to the invention 1, which disturbs element 40 as additional or alternative row, can have high frequency
Conductor 46, the high-frequency conductors 46 form impedance Z _ 2 in discribed design scheme.High frequency is for example preferably configured to by this
The high-frequency conductors 46 of twine can provide hf interference current 100 to (most of is the source of interference electric current 100) motor 20
Particularly good time of power electric device (not described together) draw.On the whole, therefore pass through dress according to the present invention
Set 1, by each of these measures, particularly by the combination of all measures, it is possible to provide in driving be the interference electric current in 10
100 particularly good and effective reduction.
Fig. 3 shows the possible scheme of machine design for being used in that driving is the apparatus according to the invention 1 in 10.It drives
Dynamic is 10 to be mounted pivotably by supporting arrangement 56.Hf interference current 100 is to exist in 10 and without in addition in driving
Especially promote in driving to be that 10 and such as second are grounded between section 15 by the apparatus according to the invention 1 in the situation of operation
Potential difference 101.In described design scheme form, the apparatus according to the invention 1, which especially has, obstructs element 30 and two
Row disturbs element 40.Here, obstructing element 30 is configured to decoupling capacitors 31, it is arranged in the driving area Xi10Zhou with being electrically coupled
At the mechanical end 12,14 effectively connected of the participation of section 11,13.This for example can effectively connect in the machinery formed by grafting teeth portion
It is provided in the situation connect by one non-conductive coating 32 in two ends 12,14.First row disturb element 40, it is electrical simultaneously
The coupling capacitor 41 between the second axis section 13 and the second ground connection section 15 is arranged in connection in discribed design scheme shape
Variable condenser 42, the capacitor especially kept constant in the situation of rotational motion are configured in formula.Here, variable condenser
42 in the design scheme shown tool there are three disk to 43, wherein correspondingly the first disk 44 and the second axis section 13 and second
Disk 45 mechanically and is conductively connected with the second ground connection section 15.Such use by multiple disks to 43, herein
Variable condenser 42 and the thus capacitor of coupling capacitor 41 can particularly simply be increased.It is particularly preferred that can so select herein
Select capacitor, i.e., so that the capacitor of coupling capacitor 42 be greater than, be especially apparent be greater than, such as 20 times of ground are greater than decoupling capacitors 31
Capacitor.Decoupling capacitors 31 and coupling capacitor 41 form complicated divider as a result, and the divider is particularly suitable for inciting somebody to action
Hf interference current 100 is to export in 10 from driving.It is (big on 20 times of ground of capacitor of wherein coupling capacitor 41 in above-mentioned example
In the capacitor of decoupling capacitors 31) situation in can be achieved it is as follows, that is, after coupling capacitor 41 is 10 and the in driving
Potential difference 102 between two ground connection sections 15 is only also for less than 5 percent of the potential difference 101 before coupling capacitor 41.
It is high-frequency conductors 46 that shown another row, which disturbs element 40, in Fig. 3, and being conductively arranged in driving is the second ground connection at 10
Between first ground connection section 21 of the power electric device 51 of section 15 and motor 20.Here, high-frequency conductors 46 are of the invention
It is especially particularly well suited for use in conduction in meaning and has the conductor of high-frequency electric current, such as high frequency twine.Pass through
Using high-frequency conductors 46, the hf interference current 100 that is exported in the second ground connection section 15 herein is led back to using special
High efficiency provides.Common earth potential 70 can be constructed particularly simply in this way.On the whole, therefore pass through basis
The device of the invention 1, especially using it is all possible obstruct element 30 or row disturb element 40 situation in, it is possible to provide in vehicle
2 be at least through the driven driving of motor 20 hf interference current 100 in 10 particularly good reduction.
It is shown in Fig. 4 and is driving the possible mechanical effectively connection between the two axis sections 11,13 for being 10,
In, the decoupling capacitors 31 as the apparatus according to the invention 1 for obstructing element 30 are disposed between axis section 11,13.?
This, draw above picture shows side view, and image below shows the section view along lines A-A.Two axis sections 11,
13 end 12,14 passes through the effectively connection of the ground mechanically to each other of the grafting teeth portion for transmitting torque.In particular, first axle section 11
End 12 has nonconducting coating 32.Here, the phosphorus of the preferably end 12 for example including first axle section 11 of coating 32
Change.Here, phosphatization has the following advantages that, that is, material of the nonconducting and coating 32 that thus insulate in first axle section 11 itself
It is formed in material, thus can avoid the element of additional electric insulation.It is therefore special together with the end 14 of the second axis section 13
Decoupling capacitors 31 simply and are effectively configured with, which is used as obstructs element as described above
30 work.
Figures 5 and 6 correspondingly show the driving with and without the apparatus according to the invention 1 be in 10 it is measured
Frequency curve.Here, correspondingly showing amplitude response 80,81 in the image in left side, phase is shown in the image on right side
Position characteristic 90,91.
Fig. 5 is to be acquired in 10 in driving, and the apparatus according to the invention 1 (not described together) is using as resistance wherein
The decoupling capacitors 31 for disturbing element 30 (not described together) are installed.Comparing without 80 and with 81 dresses according to the present invention
It sets following clearly visible in the situation of the amplitude response 80,81 of 1 interference electric current 100 used, that is, for lower frequency
The reduction that amplitude weakens can be achieved, and amplitude does not rise in high-frequency situation simultaneously.Similarly, compare without 90 with
In the situation of the phase characteristic 90,91 of the apparatus according to the invention 1 with 91 installations visibly, thus phase shift is subtracted
It is few.On the whole, it can therefore be reduced in this way by using the decoupling capacitors 30 of the apparatus according to the invention 1 and be in driving
The resonance point (Resonanzstelle) of capacitive coupling and hf interference current 100 in 10 can be attenuated.
Fig. 6 is to be acquired in 10 in driving, and the apparatus according to the invention 1 (not described together) is using as row wherein
The high-frequency conductors 46 for disturbing element 40 (not described together) are installed.Comparing without 80 and with 81 apparatus according to the invention
It is following clearly visible in the situation of the amplitude response 80,81 of 1 interference electric current 100 used, that is, particularly with upper frequency
It says and the increase that amplitude weakens can be achieved.Similarly, comparing without 90 and the apparatus according to the invention 1 with 91 installations
In the situation of phase characteristic 90,91 visibly, thus phase shift is at least delayed by.On the whole, therefore in this way pass through
The high-frequency conductors 46 that row used as the apparatus according to the invention 1 disturbs element 40 can improve hf interference current 100 to its source
Head most of draws and for returning for motor 20 (not described together) thus similarly for can be true for hf interference current 100
Protect low-resistance time diameter of leading the way (R ü ckf ü hrungspfad).
The vehicle according to the invention 2 with motor 20 is depicted in Fig. 7, is had and is equipped with dress according to the present invention
The driving for setting 1 is 10.It can be provided herein by the apparatus according to the invention 1 as follows, that is, hf interference current 100 is not (by together
Describe) it in driving is that can simply and particularly effectively be reduced in 10.Hf interference current 100 in this way it is unfavorable
Effect, for example, vehicle 2 electric component interference and/or similarly hf interference current 100 into the ambient enviroment of vehicle 2
Thus 103 (not described together) of radiation can be avoided by.
Claims (15)
1. one kind is for reducing the High-frequency Interference electricity at least through motor (20) in driven driving system (10) in vehicle (2)
The device (1) of (100) is flowed, described device (1) obstructs element (30) at least one and/or at least one row disturbs element
(40), the driving system (10) includes at least one first axle section (11) and the second axis section (13), wherein the first axle
The end (12) of section (11) is mechanically effectively connect with the end (14) of the second axis section (13) in order to transmit torque,
The motor (20) furthermore includes at least one first ground connection section (21), which forms the motor
(20) earth potential (70), and driving system (10) furthermore includes the second ground connection section (15), second ground connection section (15)
The earth potential (70) of the driving system (10) is formed,
It is characterized in that,
The element (30) that obstructs includes the use being electrically coupled with the first axle section (11) and the second axis section (13)
In the decoupling capacitors (31) of the capacitor-decoupling of the first axle section (11) and the second axis section (13), and/or
It includes electrically being arranged in the second axis section (13) and second ground connection section (15) that the row, which disturbs element (40),
Between for the second axis section (13) relatively it is described second ground connection section (15) capacity coupled coupling capacitor
(41), and/or
It includes electrical high-frequency conductors (46) that the row, which disturbs element (40), the electrical high-frequency conductors (46) conductively at least partly section
Ground is arranged between the second ground connection section and first ground connection section (21).
2. the apparatus according to claim 1 (1), which is characterized in that described device (1) has at least one decoupling capacitors
(31) and at least one coupling capacitor (41) and at least one high-frequency conductors (46).
3. device (1) according to claim 1 or 2, which is characterized in that the decoupling capacitors (31), which have, is less than 10nF
Capacitor.
4. device (1) according to claim 3, which is characterized in that the decoupling capacitors (31) have the electricity less than 1nF
Hold.
5. device (1) according to claim 1 or 2, which is characterized in that the coupling capacitor (41), which has, is greater than 10nF
Capacitor.
6. device (1) according to claim 5, which is characterized in that the coupling capacitor (41) has greater than 20nF's
Capacitor.
7. device (1) according to claim 1 or 2, which is characterized in that the capacitor of the decoupling capacitors (31) compares institute
The capacitor for stating coupling capacitor (41) is smaller.
8. device (1) according to claim 7, which is characterized in that the capacitor of the decoupling capacitors (31) is at most institute
State 1/10th of the capacitor of coupling capacitor (41).
9. device (1) according to claim 8, which is characterized in that the capacitor of the decoupling capacitors (31) is at most institute
State 1st/20th of the capacitor of coupling capacitor (41).
10. device (1) according to claim 1 or 2, which is characterized in that the decoupling capacitors (31) pass through described the
At least one of one axis section (11) or the second axis section (13) participate in the end (12,14) that the machinery effectively connects
Nonconducting coating (32) is formed.
11. device (1) according to claim 10, which is characterized in that the first axle section (11) or second axis
At least one of section (13) participates in the end (12,14) that the machinery effectively connects to form nonconducting coating
(32) by phosphatization.
12. device (1) according to claim 1 or 2, which is characterized in that the coupling capacitor (41) passes through with extremely
Variable condenser (42) formation of few disk to (43), wherein the disk to first disk (44) of (43) electrically
And mechanically it is connected with the second axis section (13) and the disk is electrically and mechanical to second disk (45) of (43)
Ground is connected with second ground connection section (15).
13. device (1) according to claim 1 or 2, which is characterized in that the electrical high-frequency conductors (46) have high frequency
Twine.
14. device (1) according to claim 1 or 2, which is characterized in that the electrical high-frequency conductors (46) are configured to height
Frequency twine.
15. one kind is with motor (20) and at least through the vehicle (2) of the driven driving system (10) of the motor (20), tool
There is the device (1) for reducing the hf interference current in the driving system (10) of the vehicle (2), which is characterized in that described
Device (1) is constructed according to any one of preceding claims.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016116069.5 | 2016-08-29 | ||
| DE102016116069.5A DE102016116069A1 (en) | 2016-08-29 | 2016-08-29 | Device for reducing high-frequency interference currents and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107800246A CN107800246A (en) | 2018-03-13 |
| CN107800246B true CN107800246B (en) | 2019-08-20 |
Family
ID=61166258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710749607.3A Active CN107800246B (en) | 2016-08-29 | 2017-08-28 | For reducing the device and vehicle of hf interference current |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107800246B (en) |
| DE (1) | DE102016116069A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018205993A1 (en) * | 2018-04-19 | 2019-10-24 | Zf Friedrichshafen Ag | Electrical decoupling of electric motor and drive train in the vehicle |
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| CN1531158A (en) * | 2003-02-07 | 2004-09-22 | SKF�ɷݹ�˾ | Device for preventing bearing of electric machine from damage by harmful electric current |
| CN1739233A (en) * | 2003-01-15 | 2006-02-22 | 西门子公司 | Method for reducing common-mode interference currents in an electric drive system, and corresponding electric drive system |
| CN101678741A (en) * | 2007-04-05 | 2010-03-24 | 霍富电子有限公司 | Device for operating an electrical user on a motor vehicle |
| CN102574535A (en) * | 2009-09-29 | 2012-07-11 | 西门子公司 | Rail vehicle |
| CN102859845A (en) * | 2011-04-27 | 2013-01-02 | 松下电器产业株式会社 | Electric motor and electric device provided with same |
| WO2015120033A2 (en) * | 2014-02-05 | 2015-08-13 | C-Motive Technologies Inc. | Rotary capacitor for shunting high frequency bearing currents and reducing emi in electric machinery |
| CN105857066A (en) * | 2015-02-06 | 2016-08-17 | 通用汽车环球科技运作有限责任公司 | Transmission assembly with electrical noise reduction and method of making and using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9071090B2 (en) | 2011-04-27 | 2015-06-30 | Panasonic Intellectual Property Management Co., Ltd. | Motor and electric device including the same |
| DE102015100847A1 (en) | 2014-01-21 | 2015-07-23 | Avl Software And Functions Gmbh | Electric machine with reduced electromagnetic interference distribution |
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2016
- 2016-08-29 DE DE102016116069.5A patent/DE102016116069A1/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1739233A (en) * | 2003-01-15 | 2006-02-22 | 西门子公司 | Method for reducing common-mode interference currents in an electric drive system, and corresponding electric drive system |
| CN1531158A (en) * | 2003-02-07 | 2004-09-22 | SKF�ɷݹ�˾ | Device for preventing bearing of electric machine from damage by harmful electric current |
| CN101678741A (en) * | 2007-04-05 | 2010-03-24 | 霍富电子有限公司 | Device for operating an electrical user on a motor vehicle |
| CN102574535A (en) * | 2009-09-29 | 2012-07-11 | 西门子公司 | Rail vehicle |
| CN102859845A (en) * | 2011-04-27 | 2013-01-02 | 松下电器产业株式会社 | Electric motor and electric device provided with same |
| WO2015120033A2 (en) * | 2014-02-05 | 2015-08-13 | C-Motive Technologies Inc. | Rotary capacitor for shunting high frequency bearing currents and reducing emi in electric machinery |
| CN105857066A (en) * | 2015-02-06 | 2016-08-17 | 通用汽车环球科技运作有限责任公司 | Transmission assembly with electrical noise reduction and method of making and using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107800246A (en) | 2018-03-13 |
| DE102016116069A1 (en) | 2018-03-01 |
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