CN206481215U - A kind of EMC connectors and electric machine controller - Google Patents
A kind of EMC connectors and electric machine controller Download PDFInfo
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- CN206481215U CN206481215U CN201720028923.7U CN201720028923U CN206481215U CN 206481215 U CN206481215 U CN 206481215U CN 201720028923 U CN201720028923 U CN 201720028923U CN 206481215 U CN206481215 U CN 206481215U
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- emc
- conductive shell
- binding post
- filter circuit
- connectors
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Abstract
The utility model discloses a kind of EMC connectors and electric machine controller, wherein EMC connectors are connected with mobile unit, including filter circuit, binding post, sealing ring, insulation cover plate and conductive shell；Binding post is connected with power transmission line, for transmitting electric power；Filter circuit is electrically connected with binding post, for suppression electromagnetic interference；Conductive shell is used to close filter circuit, realizes filter circuit and extraneous electrical isolation；Conductive shell end face is in close contact with mobile unit mounting surface and is grounded；Insulation cover plate lid is located on conductive shell；Sealing ring is arranged between insulation cover plate and conductive shell, realizes waterproof sealing.EMC connectors disclosed in the utility model, realize EMC functions inside connector, on the basis of vehicle EMC is solved the problems, such as, save system arrangement space, reduce controller cost.
Description
Technical field
The utility model is related to technical field of automotive electronics, more specifically, more particularly to a kind of EMC connectors and motor
Controller.
Background technology
Electro Magnetic Compatibility EMC (Electro Magnetic Compatibility), refers to equipment or system in its electromagnetism
The operation that met the requirements in environment does not produce the ability of intolerable electromagnetic interference to any equipment in its environment.Therefore,
EMC includes the requirement of two aspects：On the one hand the electromagnetic interference that equipment is produced in normal course of operation to place environment is referred to
No more than certain limit value；On the other hand refer to that utensil has to electromagnetic interference present in the environment of place a certain degree of anti-
Degree of disturbing, i.e. electromagnetic susceptibility.
In vehicle electric field, connector has been widely used in realizing power transmission.Meanwhile, good connector design
It is also to solve the problems, such as one of vehicle electric power transmission line EMC key technology.But, the connector with function of shielding is only relied on,
Can not suppress well by vehicular high-power convertor equipment on vehicle electric power transmission line caused by circuit noise, often need
Extra filter is added in circuit or great power conversion circuit equipment and carries out EMC processing, EMC filter effects, Material Cost,
Installing space can not all be ensured.
Therefore, design is a kind of possesses reliable and stable filter effect, and section space-efficient EMC connectors, is this area skill
Art personnel's urgent problem to be solved
Utility model content
The technical problems to be solved in the utility model is solving the problems, such as vehicle EMC basis to provide a kind of EMC connectors
On, system arrangement space is saved, controller cost is reduced.
A kind of EMC connectors, are connected with mobile unit, including filter circuit, binding post, sealing ring, insulation cover plate and
Conductive shell；
The binding post is connected with power transmission line, for transmitting electric power；
The filter circuit is electrically connected with the binding post, for suppression electromagnetic interference；
The conductive shell is used to close the filter circuit, realizes the filter circuit and extraneous electrical isolation；
The conductive shell end face is in close contact with mobile unit mounting surface and is grounded；
The insulation cover plate lid is located on the conductive shell；
The sealing ring is arranged between the insulation cover plate and the conductive shell, realizes waterproof sealing.
Preferably, the filter circuit includes at least one magnet ring, and the magnet ring is connected with the binding post, for repairing
Change the impedance of the binding post.
Preferably, the filter circuit also includes at least one X electric capacity, and the X electric capacity is connected electrically in the binding post
Between, and connected with the magnet ring.
Preferably, the filter circuit also includes at least one Y capacitance connected with the magnet ring, and the Y capacitance is electrically connected
It is connected between the binding post and the conductive shell.
Preferably, the filter circuit also includes at least one Y capacitance connected with the magnet ring, and the Y capacitance is electrically connected
It is connected between the X electric capacity and the conductive shell.
Preferably, the X electric capacity is realized by electric capacity pinboard and electrically connected.
Preferably, the Y capacitance is realized by electric capacity pinboard and electrically connected.
Preferably, in addition to shielding line ground loop, the shielding line ground loop is connected with the conductive shell, and around bag
Wrap up in the screen layer of the power transmission line.
Preferably, the magnet ring is constituted using ultracrystalline magnetic core or FERRITE CORE.
Preferably, the binding post is arranged for soft copper, and the binding post can rotate in the conductive shell.
The utility model also provides a kind of electric machine controller, the input termination dc source of the electric machine controller, and connects
Connect the EMC connectors including magnet ring, X electric capacity and/or Y capacitance, the output end and motor connection of the electric machine controller.
Preferably, the output end of the electric machine controller is connected to the electricity by the EMC connectors including magnet ring
Machine.
The EMC connectors that the utility model is provided, by its structure design, filter circuit is arranged in housing, even
Connect and EMC functions realized inside device, on the basis of vehicle EMC is solved the problems, such as, save system arrangement space, reduction controller into
This.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 is the structural representation of EMC connectors in the utility model embodiment；
Fig. 2 is the structural representation of the another embodiment of EMC connectors in the utility model embodiment；
Fig. 3 is a kind of structural representation of the utility model embodiment middle magnetic ring；
Fig. 4 is another structural representation of the utility model embodiment middle magnetic ring；
Fig. 5 is Fig. 1 front view；
Fig. 6 is Fig. 2 front view.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.
Based on the embodiment in the application, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of the application protection.
As shown in figure 1, a kind of EMC connectors that the utility model is provided, are connected with mobile unit, including filter circuit,
Binding post 1, sealing ring 2, insulation cover plate 9 and conductive shell 4；
Binding post 1 is connected with power transmission line, for transmitting electric power；
Filter circuit is electrically connected with binding post 1, for suppression electromagnetic interference；
Conductive shell 4 is used to close filter circuit, realizes filter circuit and extraneous electrical isolation；
The end face of conductive shell 4 is in close contact with mobile unit mounting surface and is grounded；
The lid of insulation cover plate 9 is located on conductive shell 4；
Sealing ring 2 is arranged between insulation cover plate 9 and conductive shell 4, realizes waterproof sealing.
Binding post 1 is arranged in equipment by screw, and connection power transmission line realizes power transmission, and conductive shell 4 will
In binding post 1 and filter circuit are enclosed in, and using conductive metal material, realize power device with it is extraneous it is electric every
From when in use, EMC connectors are installed to after mobile unit interface, and the end face of conductive shell 4 closely connects with mobile unit mounting surface
Touch, realize EMC connector ground functions.In practice, for good heat conduction and electric conductivity, conductive shell 4 can be selected
Select and be made up of extruded aluminium.And in order to preferably adapt to different use environments, EMC connectors can form single or multicore connection,
It is connected using multiple binding posts 1 with a single or many power transmission.
And power device is further isolated from the outside to form electric insulation by insulation cover plate 9, and realize the electromagnetism of connector
Function of shielding, sealing ring 2 is arranged between insulation cover plate 9 and conductive shell 4, realizes the effect of waterproof sealing, it is to avoid water enters
Cause internal filter circuit or power device short circuit after EMS connectors or damage.
The EMC connectors realize EMC functions, and abut by the way that filter circuit is arranged in housing inside connector
Vehicular high-power current transformer EMC interference sources, on the basis of vehicle EMC is solved the problems, such as, save system arrangement space, reduction control
Device cost.
Preferably, filter circuit includes at least one magnet ring 3, and magnet ring 3 is connected with binding post 1, for changing terminals
The impedance of son 1.
Magnet ring 3 is used to suppress high frequency in disturbing signal, and can be arranged to different shapes, for example according to different demands
The magnet ring 3 with arc outer end shown in Fig. 3, and the magnet ring 3 with vertical outer as shown in Figure 4, while the quantity of magnet ring 3,
Sensibility reciprocal can also be changed according to actual needs, be not repeated herein.
Preferably, as shown in Figure 5 and Figure 6, filter circuit also includes at least one X electric capacity 5, and X electric capacity 5 is connected electrically in wiring
Between terminal 1, and connected with magnet ring 3.
X electric capacity 5 is connected on the two ends of binding post 1 and is used for eliminating DM EMI, is connected with magnet ring 3 and realizes that collocation is used, magnet ring 3
For suppressing high-frequency interferencing signal.
Preferably, filter circuit also includes at least one Y capacitance 6 connected with magnet ring 3, and Y capacitance 6 is connected electrically in terminals
Between son 1 and conductive shell 4.
Y capacitance 6 is connected on the two ends of binding post 1 and is used for eliminating common mode disturbances, is connected with magnet ring 3 and realizes that collocation is used, magnet ring 3
For suppressing high-frequency interferencing signal, simultaneously because conductive shell 4 is grounded, therefore Y capacitance 6 is connected electrically in binding post 1 with leading
Between electric housing 4, for eliminating common mode disturbances, filter action is played.
Further, filter circuit also includes at least one Y capacitance 6 connected with magnet ring 3, and Y capacitance 6 is connected electrically in X electricity
Hold between 5 and conductive shell 4.
X electric capacity 5, Y capacitance 6 are connected with magnet ring 3 realizes that collocation is used, and magnet ring 3 is used to suppress high-frequency interferencing signal, while by
It is grounded in conductive shell 4, therefore Y capacitance 6 is connected electrically between X electric capacity 5 and conductive shell 4, common mode can be eliminated simultaneously and is done
Disturb and DM EMI, play filter action.
Preferably, X electric capacity 5 is realized by electric capacity pinboard 7 and electrically connected.In practice, it can configure as needed
Multiple X electric capacity 5, therefore multiple X electric capacity 5 by electric capacity pinboard 7 can be realized electrical connection, meeting different filtering performances will
Ask.
Similarly, Y capacitance 6 is realized by electric capacity pinboard 7 and electrically connected.In practice, it can configure as needed
Multiple Y capacitances 6, therefore multiple Y capacitances 6 by electric capacity pinboard 7 can be realized electrical connection, meeting different filtering performances will
Ask.
In practice, X electric capacity 5 and Y capacitance 6 can be welded on electric capacity pinboard 7, X electric capacity 5 and Y capacitance 6 can
Insert and be securely held in place between external conductive casing 4 and binding post 1, so as in conductive shell 4 and conductor and X electric capacity
5 and Y capacitance 6 corresponding terminal between produce electrical contact.
In addition, X electric capacity 5 and Y capacitance 6 can also be connected electrically in by Flexible Connector binding post 1 and conductive shell 4 it
Between.When using multiple X electric capacity 5 and Y capacitance 6, each X electric capacity 5 or Y capacitance 6 can be pressed by conductive Flexible Connector
Between binding post 1 and conductive shell 4, only part X electric capacity 5 or Y capacitance 6 can also be pressed against by electrically conductive elastic connector
Between binding post 1 and conductive shell 4, remaining X electric capacity 5 or Y capacitance 6 use the solderless binding post 1 that is connected to leading
Between electric housing 4.
In practice, Flexible Connector can use contact spring, be easy to when needed, can fast and easily remove and connect
Spring is touched, X electric capacity 5 or Y capacitance 6 are safeguarded or changed.
Preferably, in addition to shielding line ground loop 8, shielding line ground loop 8 is connected with conductive shell 4, and around parcel electricity
The screen layer of power transmission line.In actual use, filter circuit is also associated with wire harness, and shielding line ground loop 8 is set on wire harness,
And directly contacted with power transmission line and conductive shell 4, realize the bonding of cable shielding layer.
Preferably, in order to improve the inhibition to interference, magnet ring 3 is constituted using ultracrystalline magnetic core or FERRITE CORE.
Ultracrystalline magnetic core has the advantages that high magnetic permeability, high squareness ratio, core loss low and high temperature stability are good, only need to be around
Seldom number of turn can obtain very big inductance value, so as to reduce copper loss, save wire rod, reduce magnet ring 3 and filter circuit
Volume, saves system arrangement space, reduces controller cost.
Likewise, FERRITE CORE is a kind of high frequency permeability magnetic material, the range of choice of FERRITE CORE is very wide, can be according to
Different magnetic parameters, to select different material and shape, due to low magnetic loss at high frequencies, around upper on FERRITE CORE
The inductor that coil is made inductance value compared with the air core coil of same volume is big, only need to can obtain very big around seldom number of turn
Inductance value, so as to reduce copper loss, saves wire rod, reduces the volume of magnet ring 3 and filter circuit, saves system arrangement space, drop
Low controller cost.
In practice, can according to the species of the mobile unit connected or EMC connectors this body structures etc. because
Element, decides whether to carry out around circle the ultracrystalline magnetic core or FERRITE CORE that constitute magnet ring 3, and when needing around circle it is specific around
The number of turn of circle.It is for example main to consider on the premise of suitable EMC filter effects are ensured, while farthest saving system cloth
When being empty, ultracrystalline magnetic core or FERRITE CORE can not be carried out around circle, it is to avoid the other structures part needed during around circle is accounted for
Use system arrangement space.And consider main on the premise of EMC filter effects are maximized, while carrying out rational deployment to space
When, the selection of the specific number of turn can be carried out according to required inductance value, concrete scheme is not repeated herein.
Preferably, binding post 1 is soft copper row, and soft copper is arranged after curved punching, and the spatial form of construction can both circumvent dry
Region is related to, original shape can also be replied easily after bending when mounted, directly contact surface is connected with binding post and slightly fixed
, conveniently meet the connection request of a variety of directions and structure.Because it can rotate so that outlet direction and conductive shell 4
Between angle can be any angle such as 0 ° or 90 °, as shown in Fig. 2 therefore EMC connectors can be set according to vehicle-mounted
Standby different angles or type, realize that the end face of conductive shell 4 is in close contact with mobile unit mounting surface.
The utility model embodiment, additionally provides and is required according to the different of EMC filtering process of input and output end, and
A kind of electric machine controller of different EMC connectors is connected accordingly.
The input termination dc source of electric machine controller, input connection includes magnet ring 3, X electric capacity 5 and/or Y capacitance 6
EMC connectors, output end is connected to motor.
Preferably, controlled to carry out further EMC to output end, the output end of electric machine controller is by only including magnetic
The EMC connectors of ring 3 are connected to motor.
A kind of EMC connectors and electric machine controller provided by the utility model are described in detail above.Herein
In apply specific case principle of the present utility model and embodiment be set forth, the explanation of above example is to use
Understand method of the present utility model and its core concept in help.It should be pointed out that for those skilled in the art
For, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, these
Improve and modification is also fallen into the utility model scope of the claims.
Claims (12)
1. a kind of EMC connectors, are connected with mobile unit, it is characterised in that including filter circuit, binding post (1), sealing ring
(2), insulation cover plate (9) and conductive shell (4)；
The binding post (1) is connected with power transmission line, for transmitting electric power；
The filter circuit is electrically connected with the binding post (1), for suppression electromagnetic interference；
The conductive shell (4) is used to close the filter circuit, realizes the filter circuit and extraneous electrical isolation；
Conductive shell (4) end face is in close contact with mobile unit mounting surface and is grounded；
Insulation cover plate (9) lid is located on the conductive shell (4)；
The sealing ring (2) is arranged between the insulation cover plate (9) and the conductive shell (4), realizes waterproof sealing.
2. EMC connectors according to claim 1, it is characterised in that the filter circuit includes at least one magnet ring
(3), the magnet ring (3) is connected with the binding post (1), the impedance for changing the binding post (1).
3. EMC connectors according to claim 2, it is characterised in that the filter circuit also includes at least one X electric capacity
(5), the X electric capacity (5) is connected electrically between the binding post (1), and is connected with the magnet ring (3).
4. EMC connectors according to claim 2, it is characterised in that the filter circuit also includes at least one and institute
The Y capacitance (6) of magnet ring (3) series connection is stated, the Y capacitance (6) is connected electrically in the binding post (1) and the conductive shell (4)
Between.
5. EMC connectors according to claim 3, it is characterised in that the filter circuit also includes at least one and institute
State the Y capacitance (6) of magnet ring (3) series connection, the Y capacitance (6) be connected electrically in the X electric capacity (5) and the conductive shell (4) it
Between.
6. EMC connectors according to claim 3, it is characterised in that the X electric capacity (5) is real by electric capacity pinboard (7)
Now electrically connect.
7. the EMC connectors according to claim 4 or 5, it is characterised in that the Y capacitance (6) passes through electric capacity pinboard
(7) electrical connection is realized.
8. EMC connectors according to claim 1, it is characterised in that also including shielding line ground loop (8), the shielding
Line ground loop (8) is connected with the conductive shell (4), and around the screen layer for wrapping up the power transmission line.
9. EMC connectors according to claim 2, it is characterised in that the magnet ring (3) uses ultracrystalline magnetic core or iron oxygen
Body magnetic core is constituted.
10. EMC connectors according to claim 1, it is characterised in that the binding post (1) is arranged for soft copper, and described
Binding post (1) can rotate in the conductive shell (4).
11. a kind of electric machine controller, it is characterised in that the input termination dc source of the electric machine controller, and connect as weighed
Profit requires the EMC connectors described in 4 and/or 5, the output end and motor connection of the electric machine controller.
12. electric machine controller according to claim 11, it is characterised in that the output end of the electric machine controller passes through such as
EMC connectors described in claim 2 are connected to the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028923.7U CN206481215U (en) | 2017-01-10 | 2017-01-10 | A kind of EMC connectors and electric machine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028923.7U CN206481215U (en) | 2017-01-10 | 2017-01-10 | A kind of EMC connectors and electric machine controller |
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| Publication Number | Publication Date |
|---|---|
| CN206481215U true CN206481215U (en) | 2017-09-08 |
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ID=59753555
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028923.7U Active CN206481215U (en) | 2017-01-10 | 2017-01-10 | A kind of EMC connectors and electric machine controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787678A (en) * | 2017-01-10 | 2017-05-31 | 湖南中车时代电动汽车股份有限公司 | A kind of EMC connectors and electric machine controller |
| WO2019128589A1 (en) * | 2017-12-28 | 2019-07-04 | 湖南中车时代电动汽车股份有限公司 | Motor controller |
-
2017
- 2017-01-10 CN CN201720028923.7U patent/CN206481215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787678A (en) * | 2017-01-10 | 2017-05-31 | 湖南中车时代电动汽车股份有限公司 | A kind of EMC connectors and electric machine controller |
| WO2019128589A1 (en) * | 2017-12-28 | 2019-07-04 | 湖南中车时代电动汽车股份有限公司 | Motor controller |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee after: Zhongche Times Electric Vehicle Co., Ltd. Address before: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee before: Hunan Zhongche times electric Limited by Share Ltd |