CN109302002A - A kind of direct current support capacitor and automobile - Google Patents
A kind of direct current support capacitor and automobile Download PDFInfo
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- CN109302002A CN109302002A CN201811452897.6A CN201811452897A CN109302002A CN 109302002 A CN109302002 A CN 109302002A CN 201811452897 A CN201811452897 A CN 201811452897A CN 109302002 A CN109302002 A CN 109302002A
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Classifications
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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
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses a kind of direct current support capacitor and automobile, direct current support capacitor is applied to electric machine controller, comprising: high voltage direct current filter module and IGBT filter module.High voltage direct current filter module includes: the first connecting pin and second connection end, and the first connecting pin connects the anode of power battery, and second connection end connects the cathode of power battery.IGBT filter module includes: the 5th connecting pin, the 6th connecting pin, the 7th connecting pin, the 8th connecting pin, the 9th connecting pin, the tenth connecting pin, third Y capacitance, the 4th Y capacitance and the 5th Y capacitance；5th connecting pin connects the first IGBT and the first connecting pin, and the 6th connecting pin connects the 2nd IGBT and second connection end；7th connecting pin connects the 3rd IGBT and the first connecting pin, and the 8th connecting pin connects the 4th IGBT and second connection end；9th connecting pin connects the 5th IGBT and the first connecting pin, and the tenth connecting pin connects the 6th IGBT and second connection end.The embodiment of the present invention solves the problems, such as that electric machine controller Electro Magnetic Compatibility is poor.
Description
Technical field
The present invention relates to the technical field of electric vehicle motor controller more particularly to a kind of direct current support capacitors and vapour
Vehicle.
Background technique
It is integrated with electric car power electronics unit, at present by function such as electric machine controller, charger, battery modules
It can be integrated in one, since the volume and weight of electric machine controller constantly reduces, and power constantly increases, so to a certain degree
On increase the electromagnetic interference of electric machine controller.
Now in view of the compact-sized and electromagnetic compatibility to power control unit (PEU, Power Electronic Unit)
The requirement of property (EMC, Electro Magnetic Compatibility), needs a kind of device, to exhausted in electric machine controller
Edge grid bipolar junction transistor (IGBT, Insulated Gate Bipolar Transistor), electromagnetic interference filtered out,
Electric machine controller Electro Magnetic Compatibility is promoted, the PEU is made to meet compact-sized and EMC requirement.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of direct current support capacitor and automobile, solve due to
The problem of integrated intensity electric machine controller Electro Magnetic Compatibility difference caused greatly.
According to one aspect of the present invention, a kind of direct current support capacitor is provided, the motor control applied to electric car
Device processed, comprising:
High voltage direct current filter module and IGBT filter module；
The high voltage direct current filter module includes: the first connecting pin and second connection end, and the first connecting pin connection is dynamic
The anode of power battery, the cathode of the second connection end connection power battery；
The IGBT filter module includes: the 5th connecting pin and the 6th connecting pin, and the 5th connecting pin connects motor control
First IGBT of device processed, the 6th connecting pin connect the 2nd IGBT of the electric machine controller, and the 5th connecting pin also connects
First connecting pin is connect, the 6th connecting pin is also connected with the second connection end；
Third Y capacitance is provided between 5th connecting pin and the 6th connecting pin；
The IGBT filter module further include: the 7th connecting pin and the 8th connecting pin, described in the connection of the 7th connecting pin
3rd IGBT of electric machine controller, the 8th connecting pin connect the 4th IGBT of the electric machine controller, the 7th connection
End is also connected with first connecting pin, and the 8th connecting pin is also connected with the second connection end；
The 4th Y capacitance is provided between 7th connecting pin and the 8th connecting pin；
The IGBT filter module further include: the 9th connecting pin and the tenth connecting pin, described in the connection of the 9th connecting pin
5th IGBT of electric machine controller, the tenth connecting pin connect the 6th IGBT of the electric machine controller, the 9th connection
End is also connected with first connecting pin, and the tenth connecting pin is also connected with the second connection end；
The 5th Y capacitance is provided between 9th connecting pin and the tenth connecting pin.
Optionally, the first Y capacitance and the second Y capacitance are provided between first connecting pin and the second connection end.
Optionally, the direct current support capacitor further include: first capacitor；
The third connecting pin of the first capacitor connects first connecting pin；
4th connecting pin of the first capacitor connects the second connection end.
Optionally, the direct current support capacitor further include: the first ground terminal and the second ground terminal；
First Y capacitance, second Y capacitance are connect with first ground terminal respectively；
The third Y capacitance, the 4th Y capacitance, the 5th Y capacitance are connect with second ground terminal respectively.
Optionally, first ground terminal and the connection of the second ground terminal.
Optionally, first Y capacitance includes the second capacitor and third capacitor；
One end of second capacitor connects first connecting pin, and the other end of second capacitor connects with described first
Ground terminal connection；
One end of the third capacitor connects the second connection end, and the other end of the third capacitor connects with described first
Ground terminal connection.
Optionally, second Y capacitance includes the 4th capacitor and the 5th capacitor；
One end of 4th capacitor connects first connecting pin, and the other end of the 4th capacitor connects with described first
Ground terminal connection；
One end of 5th capacitor connects the second connection end, and the other end of the 5th capacitor connects with described first
Ground terminal connection.
Optionally, the capacity of first Y capacitance is less than the capacity of second Y capacitance.
Optionally, the third Y capacitance includes the 6th capacitor and the 7th capacitor；
One end of 6th capacitor connects the 5th connecting pin, and the other end of the 6th capacitor connects with described second
Ground terminal connection；
One end of 7th capacitor connects the 6th connecting pin, and the other end of the 7th capacitor connects with described second
Ground terminal connection.
Optionally, the 4th Y capacitance includes the 8th capacitor and the 9th capacitor；
One end of 8th capacitor connects the 7th connecting pin, and the other end of the 8th capacitor connects with described second
Ground terminal connection；
One end of 9th capacitor connects the 8th connecting pin, and the other end of the 9th capacitor connects with described second
Ground terminal connection.
Optionally, the 5th Y capacitance includes the tenth capacitor and the 11st capacitor；
One end of tenth capacitor connects the 9th connecting pin, and the other end of the tenth capacitor connects with described second
Ground terminal connection；
One end of 11st capacitor connects the tenth connecting pin, the other end of the 11st capacitor and described the
The connection of two ground terminals.
Optionally, the capacity of second Y capacitance, the third Y capacitance, the 4th Y capacitance and the 5th Y capacitance
It is equal.
According to another aspect of the invention, a kind of automobile is provided, including the direct current support capacitor.
The beneficial effect of the embodiment of the present invention is:
The present invention provides a kind of direct current support capacitor and automobile, the direct current support capacitor is applied to electric car
Electric machine controller, the direct current support capacitor includes: high voltage direct current filter module and IGBT filter module.The IGBT filter
Wave module is used to filter out the electromagnetic interference that the IGBT in the electric machine controller is generated due to the variation of electric current and voltage, described
Direct current support capacitor is small in size and can effectively promote the Electro Magnetic Compatibility of electric machine controller, solves due to integrated intensity
The problem of electric machine controller Electro Magnetic Compatibility difference caused by big, thus meet PEU it is compact-sized and EMC two in terms of want
It asks.
Detailed description of the invention
Fig. 1 shows the application schematic diagrams of the DC support capacitor of the embodiment of the present invention；
Fig. 2 indicates the structural schematic diagram of the DC support capacitor of the embodiment of the present invention；
Fig. 3 indicates one of the effect diagram of the DC support capacitor of the embodiment of the present invention；
Fig. 4 indicates the two of the effect diagram of the DC support capacitor of the embodiment of the present invention.
[description of symbols]
1-high voltage direct current filter module, 2-IGBT filter modules, 3-first capacitors, the 4-the first ground terminal, 5-the second
Ground terminal, the 11-the first connecting pin, 12-second connection ends, the 13-the first Y capacitance, the 14-the second Y capacitance, the 21-the five connection
End, the 22-the six connecting pin, 23-third Y capacitances, the 24-the four Y capacitance, the 25-the five Y capacitance, the 26-the seven connecting pin,
27-the eight connecting pin, the 28-the nine connecting pin, the 29-the ten connecting pin, 31-third connecting pins, the 32-the four connecting pin,
131-the second capacitor, 132-third capacitors, the 141-the four capacitor, the 142-the five capacitor, the 231-the six capacitor, 232-the
Seven capacitors, the 241-the eight capacitor, the 242-the nine capacitor, the 251-the ten capacitor, the 252-the ten one capacitor.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
The embodiment provides a kind of direct current support capacitors, the electric machine controller applied to electric car.
As shown in Figure 1, the first connecting pin 11 of the direct current support capacitor and second connection end 12 connect power battery；
The 5th connecting pin 21, the 6th connecting pin 22, the 7th connecting pin 26, the 8th connecting pin the 27, the 9th of the direct current support capacitor
Connecting pin 28, the tenth connecting pin 29 are separately connected the different IGBT in the electric machine controller.In the present embodiment, the direct current branch
It is dry that support capacitor is mainly used for filtering out the electromagnetism that the IGBT in the electric machine controller is generated due to the variation of electric current and voltage
It disturbs, to promote the Electro Magnetic Compatibility of the electric machine controller.
As shown in Fig. 2, the direct current support capacitor, comprising:
High voltage direct current filter module 1 and IGBT filter module 2.
In the present embodiment, the high voltage direct current filter module 1 is used to filter out the voltage change of power battery high voltage direct current
Generated electromagnetic interference, the IGBT filter module 2 are used to filter out the IGBT in the electric machine controller due to electric current and electricity
The variation of pressure and the electromagnetic interference generated.
Specifically, as shown in Fig. 2, the direct current support capacitor further include: first capacitor 3；
The third connecting pin 31 of the first capacitor 3 connects first connecting pin 11；
4th connecting pin 32 of the first capacitor 3 connects the second connection end 12.
In the present embodiment, the power battery that is set as of the first capacitor 3 provides the effect of filtering and energy storage, described
First capacitor 3 can be thin-film capacitor, and capacitance can be 660 μ F.
Preferably, as shown in Fig. 2, the direct current support capacitor further include: the first ground terminal 4 and the second ground terminal 5.Its
In, first ground terminal 4 and the connection of the second ground terminal 5.
In the present embodiment, first ground terminal 4 is that the high voltage direct current filter module 1 provides ground connection point, described
Second ground terminal 5 is that the IGBT filter module 2 provides ground connection point.Wherein, first ground terminal 4 is close to the high pressure
DC filtering module 1, second ground terminal 5 make 1 He of high voltage direct current filter module close to the IGBT filter module 2
The ground path of the IGBT filter module 2 shortens as far as possible, to improve filter effect.
As shown in Fig. 2, the high voltage direct current filter module 1 includes: the first connecting pin 11 and second connection end 12, described
One connecting pin 11 connects the anode of power battery, and the second connection end 12 connects the cathode of power battery.
Preferably, as shown in Fig. 2, being provided with the first Y electricity between first connecting pin 11 and the second connection end 12
Appearance 13 and the second Y capacitance 14.The capacity of first Y capacitance 13 is less than the capacity of second Y capacitance 14.
In the present embodiment, first Y capacitance 13 and second Y capacitance 14 are connect in first connecting pin 11 and described
Between second connection end 12, common mode interference can be effectively eliminated.First Y capacitance 13 and second Y capacitance 14 should be set to
The port of the direct current support capacitor, in addition, the capacity of first Y capacitance 13 is less than the capacity of second Y capacitance 14,
The Y capacitance of different capacitances is arranged in parallel, and the electromagnetic interference that the power battery positive and negative anodes generate can be effectively suppressed.
Specifically, as shown in Fig. 2, first Y capacitance 13 and second Y capacitance 14 respectively with first ground terminal
4 connections.
In the present embodiment, first ground terminal 4 is close to first Y capacitance 13 and second Y capacitance 14.Described
One Y capacitance 13, second Y capacitance 14 are grounded by first ground terminal 4 respectively, its ground path is made to contract as far as possible
It is short, to improve filter effect.
Preferably, as shown in Fig. 2, first Y capacitance 13 includes the second capacitor 131 and third capacitor 132；
One end of second capacitor 131 connects first connecting pin 11, the other end of second capacitor 131 and institute
State the connection of the first ground terminal 4；
One end of the third capacitor 132 connects the second connection end 12, the other end of the third capacitor 132 and institute
State the connection of the first ground terminal 4.
Preferably, as shown in Fig. 2, second Y capacitance 14 includes the 4th capacitor 141 and the 5th capacitor 142；
One end of 4th capacitor 141 connects first connecting pin 11, the other end of the 4th capacitor 141 and institute
State the connection of the first ground terminal 4；
One end of 5th capacitor 142 connects the second connection end 12, the other end of the 5th capacitor 142 and institute
State the connection of the first ground terminal 4.
By experimental verification, the capacitance of second capacitor 131 and the third capacitor 132 can be the present embodiment
The capacitance of 0.47 μ F, the 4th capacitor 141 and the 5th capacitor 142 can be 4.7nF.
As shown in Fig. 2, the IGBT filter module 2 includes: the 5th connecting pin 21 and the 6th connecting pin 22, the described 5th connects
The first IGBT of 21 connection electric machine controller of end is met, the 6th connecting pin 22 connects the 2nd IGBT of the electric machine controller,
5th connecting pin 21 is also connected with first connecting pin 11, and the 6th connecting pin 22 is also connected with the second connection end
12；
Third Y capacitance 23 is provided between 5th connecting pin 21 and the 6th connecting pin 22.
As shown in Fig. 2, the IGBT filter module 2 further include: the 7th connecting pin 26 and the 8th connecting pin 27, the described 7th
Connecting pin 26 connects the 3rd IGBT of the electric machine controller, and the 8th connecting pin 27 connects the 4th of the electric machine controller
IGBT, the 7th connecting pin 26 are also connected with first connecting pin 11, and the 8th connecting pin 27 is also connected with described second and connects
Connect end 12；
The 4th Y capacitance 24 is provided between 7th connecting pin 26 and the 8th connecting pin 27.
As shown in Fig. 2, the IGBT filter module 2 further include: the 9th connecting pin 28 and the tenth connecting pin 29, the described 9th
Connecting pin 28 connects the 5th IGBT of the electric machine controller, and the tenth connecting pin 29 connects the 6th of the electric machine controller
IGBT, the 9th connecting pin 28 are also connected with first connecting pin 11, and the tenth connecting pin 29 is also connected with described second and connects
Connect end 12；
The 5th Y capacitance 25 is provided between 9th connecting pin 28 and the tenth connecting pin 29.
In the present embodiment, the IGBT filter module 2 is provided with three groups of Y capacitances, i.e., the described third Y capacitance 23, described
Four Y capacitances 24 and the 5th Y capacitance 25.Three groups of Y capacitances respectively correspond three groups of IGBT in the electric machine controller, i.e.,
First IGBT and the 2nd IGBT (first group), the 3rd IGBT and the 4th IGBT (second group), described
Five IGBT and the 6th IGBT (third group).Three groups of Y capacitances are respectively filtered three groups of IGBT, thus
By electromagnetic interference filtering caused by IGBT in the electric machine controller, the Electro Magnetic Compatibility of the electric machine controller is improved.
Specifically, the third Y capacitance 23, the 4th Y capacitance 24 and the 5th Y capacitance 25 are respectively with described second
Ground terminal 5 connects.
In the present embodiment, second ground terminal 5 is close to the third Y capacitance 23, the 4th Y capacitance 24 and described
Five Y capacitances 25, the third Y capacitance 23, the 4th Y capacitance 24 and the 5th Y capacitance 25 connect by described second respectively
Ground terminal 5 is grounded, its ground path can be made to shorten as far as possible, so that filter effect can be improved.
Preferably, second Y capacitance 14, the third Y capacitance 23, the 4th Y capacitance 24 and the 5th Y capacitance
25 capacity is equal.
Preferably, the third Y capacitance 23 includes the 6th capacitor 231 and the 7th capacitor 232；
One end of 6th capacitor 231 connects the 5th connecting pin 21, the other end of the 6th capacitor 231 and institute
State the connection of the second ground terminal 5；
One end of 7th capacitor 232 connects the 6th connecting pin 22, the other end of the 7th capacitor 232 and institute
State the connection of the second ground terminal 5.
Preferably, the 4th Y capacitance 24 includes the 8th capacitor 241 and the 9th capacitor 242；
One end of 8th capacitor 241 connects the 7th connecting pin 26, the other end of the 8th capacitor 241 and institute
State the connection of the second ground terminal 5；
One end of 9th capacitor 242 connects the 8th connecting pin 27, the other end of the 9th capacitor 242 and institute
State the connection of the second ground terminal 5.
Preferably, the 5th Y capacitance 25 includes the tenth capacitor 251 and the 11st capacitor 252；
One end of tenth capacitor 251 connects the 9th connecting pin 28, the other end of the tenth capacitor 251 and institute
State the connection of the second ground terminal 5；
One end of 11st capacitor 252 connects the tenth connecting pin 29, the 11st capacitor (252) it is another
End is connect with second ground terminal 5.
The present embodiment pass through experimental verification, the 6th capacitor 231, the 7th capacitor 232, the 8th capacitor 241,
The capacitance of 9th capacitor 242, the tenth capacitor 251 and the 11st capacitor 252 all can be 4.7nF.
By verification experimental verification, the radiation-emitting curve of the electric machine controller by the present embodiment filtering processing as shown in figure 4,
And it is as shown in Figure 3 without the radiation-emitting curve of the electric machine controller of the present embodiment filtering processing.Comparison diagram 3 and Fig. 4, this reality
Electric machine controller electromagnetic interference as caused by IGBT can be effectively filtered out by applying the example direct current support capacitor, especially for
The filtration result of 10MHz~30MHz frequency range is significant.
Direct current support capacitor provided in this embodiment, the electric machine controller applied to electric car, comprising: high voltage direct current
Filter module 1 and IGBT filter module 2.The IGBT filter module 2 be used to filter out IGBT in the electric machine controller due to
The variation of electric current and voltage and the electromagnetic interference generated, the direct current support capacitor is small in size and can effectively promote motor control
The Electro Magnetic Compatibility of device processed, solve the problems, such as due to integrated intensity greatly caused by electric machine controller Electro Magnetic Compatibility it is poor, from
And meet the compact-sized requirement with two aspects of EMC of PEU.
The embodiments of the present invention also provide a kind of automobiles, including the direct current support capacitor.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (13)
1. a kind of direct current support capacitor, the electric machine controller applied to electric car characterized by comprising
High voltage direct current filter module (1) and insulated gate bipolar transistor IGBT filter module (2)；
The high voltage direct current filter module (1) includes: the first connecting pin (11) and second connection end (12), first connecting pin
(11) anode of power battery, the cathode of second connection end (12) the connection power battery are connected；
The IGBT filter module (2) includes: the 5th connecting pin (21) and the 6th connecting pin (22), the 5th connecting pin (21)
The first IGBT of electric machine controller is connected, the 6th connecting pin (22) connects the 2nd IGBT of the electric machine controller, described
5th connecting pin (21) is also connected with first connecting pin (11), and the 6th connecting pin (22) is also connected with the second connection end
(12)；
Third Y capacitance (23) are provided between 5th connecting pin (21) and the 6th connecting pin (22)；
The IGBT filter module (2) further include: the 7th connecting pin (26) and the 8th connecting pin (27), the 7th connecting pin
(26) the 3rd IGBT of the electric machine controller is connected, the 8th connecting pin (27) connects the 4th of the electric machine controller
IGBT, the 7th connecting pin (26) are also connected with first connecting pin (11), and the 8th connecting pin (27) is also connected with described
Second connection end (12)；
The 4th Y capacitance (24) is provided between 7th connecting pin (26) and the 8th connecting pin (27)；
The IGBT filter module (2) further include: the 9th connecting pin (28) and the tenth connecting pin (29), the 9th connecting pin
(28) the 5th IGBT of the electric machine controller is connected, the tenth connecting pin (29) connects the 6th of the electric machine controller
IGBT, the 9th connecting pin (28) are also connected with first connecting pin (11), and the tenth connecting pin (29) is also connected with described
Second connection end (12)；
The 5th Y capacitance (25) is provided between 9th connecting pin (28) and the tenth connecting pin (29).
2. direct current support capacitor according to claim 1, which is characterized in that
The first Y capacitance (13) and the second Y capacitance are provided between first connecting pin (11) and the second connection end (12)
(14)。
3. direct current support capacitor according to claim 1, which is characterized in that further include: first capacitor (3)；
The third connecting pin (31) of the first capacitor (3) connects first connecting pin (11)；
4th connecting pin (32) of the first capacitor (3) connects the second connection end (12).
4. direct current support capacitor according to claim 2, which is characterized in that further include: the first ground terminal (4) and second
Ground terminal (5)；
First Y capacitance (13), second Y capacitance (14) are connect with first ground terminal (4) respectively；
The third Y capacitance (23), the 4th Y capacitance (24), the 5th Y capacitance (25) respectively with second ground terminal
(5) it connects.
5. direct current support capacitor according to claim 4, which is characterized in that
First ground terminal (4) and the second ground terminal (5) connection.
6. direct current support capacitor according to claim 4, which is characterized in that
First Y capacitance (13) includes the second capacitor (131) and third capacitor (132)；
One end of second capacitor (131) connects first connecting pin (11), the other end of second capacitor (131) with
First ground terminal (4) connection；
One end of the third capacitor (132) connects the second connection end (12), the other end of the third capacitor (132) with
First ground terminal (4) connection.
7. direct current support capacitor according to claim 4, which is characterized in that
Second Y capacitance (14) includes the 4th capacitor (141) and the 5th capacitor (142)；
One end of 4th capacitor (141) connects first connecting pin (11), the other end of the 4th capacitor (141) with
First ground terminal (4) connection；
One end of 5th capacitor (142) connects the second connection end (12), the other end of the 5th capacitor (142) with
First ground terminal (4) connection.
8. direct current support capacitor according to claim 2, which is characterized in that the capacity of first Y capacitance (13) is small
In the capacity of second Y capacitance (14).
9. direct current support capacitor according to claim 4, which is characterized in that
The third Y capacitance (23) includes the 6th capacitor (231) and the 7th capacitor (232)；
One end of 6th capacitor (231) connects the 5th connecting pin (21), the other end of the 6th capacitor (231) with
Second ground terminal (5) connection；
One end of 7th capacitor (232) connects the 6th connecting pin (22), the other end of the 7th capacitor (232) with
Second ground terminal (5) connection.
10. direct current support capacitor according to claim 4, which is characterized in that
4th Y capacitance (24) includes the 8th capacitor (241) and the 9th capacitor (242)；
One end of 8th capacitor (241) connects the 7th connecting pin (26), the other end of the 8th capacitor (241) with
Second ground terminal (5) connection；
One end of 9th capacitor (242) connects the 8th connecting pin (27), the other end of the 9th capacitor (242) with
Second ground terminal (5) connection.
11. direct current support capacitor according to claim 4, which is characterized in that
5th Y capacitance (25) includes the tenth capacitor (251) and the 11st capacitor (252)；
One end of tenth capacitor (251) connects the 9th connecting pin (28), the other end of the tenth capacitor (251) with
Second ground terminal (5) connection；
One end of 11st capacitor (252) connects the tenth connecting pin (29), the 11st capacitor (252) it is another
End is connect with second ground terminal (5).
12. direct current support capacitor according to claim 2, which is characterized in that second Y capacitance (14), described
The capacity of three Y capacitances (23), the 4th Y capacitance (24) and the 5th Y capacitance (25) is equal.
13. a kind of automobile, which is characterized in that including the described in any item direct current support capacitors of such as claim 1~12.
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| CN201811452897.6A CN109302002A (en) | 2018-11-30 | 2018-11-30 | A kind of direct current support capacitor and automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811452897.6A CN109302002A (en) | 2018-11-30 | 2018-11-30 | A kind of direct current support capacitor and automobile |
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| CN107681884A (en) * | 2017-10-23 | 2018-02-09 | 北京新能源汽车股份有限公司 | A kind of automobile air conditioner compressor and automobile |
| CN207069957U (en) * | 2017-07-04 | 2018-03-02 | 中山大洋电机股份有限公司 | A kind of electric machine controller |
| CN207481669U (en) * | 2017-11-30 | 2018-06-12 | 北京新能源汽车股份有限公司 | A kind of power electronics unit and electric vehicle |
| CN208158483U (en) * | 2018-05-28 | 2018-11-27 | 北京新能源汽车股份有限公司 | A kind of driving circuit of electric machine controller, electric machine controller and electric car |
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2018
- 2018-11-30 CN CN201811452897.6A patent/CN109302002A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101902141A (en) * | 2009-04-29 | 2010-12-01 | 通用汽车环球科技运作公司 | Power module assembly |
| CN105974992A (en) * | 2016-06-03 | 2016-09-28 | 沙洲职业工学院 | Method and device for PWM control signal transmission in intense electromagnetic interference environment |
| CN207069957U (en) * | 2017-07-04 | 2018-03-02 | 中山大洋电机股份有限公司 | A kind of electric machine controller |
| CN107681884A (en) * | 2017-10-23 | 2018-02-09 | 北京新能源汽车股份有限公司 | A kind of automobile air conditioner compressor and automobile |
| CN207481669U (en) * | 2017-11-30 | 2018-06-12 | 北京新能源汽车股份有限公司 | A kind of power electronics unit and electric vehicle |
| CN208158483U (en) * | 2018-05-28 | 2018-11-27 | 北京新能源汽车股份有限公司 | A kind of driving circuit of electric machine controller, electric machine controller and electric car |
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Application publication date: 20190201 |