CN219611602U - Filtering structure of all-in-one controller - Google Patents

Filtering structure of all-in-one controller Download PDF

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Publication number
CN219611602U
CN219611602U CN202320261657.8U CN202320261657U CN219611602U CN 219611602 U CN219611602 U CN 219611602U CN 202320261657 U CN202320261657 U CN 202320261657U CN 219611602 U CN219611602 U CN 219611602U
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China
Prior art keywords
copper bar
positive
ptc
negative
input terminal
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CN202320261657.8U
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Chinese (zh)
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申启乡
孙剑
王一元
孔超
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Hefei JEE Power System Co Ltd
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Hefei JEE Power System Co Ltd
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    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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Abstract

The embodiment of the utility model provides a filtering structure of an all-in-one controller, and belongs to the technical field of filtering structure design of controllers. The filtering structure comprises: the positive electrode copper bar, one end of the positive electrode copper bar is used for being connected with the positive electrode of an external charger; the negative electrode copper bar, one end of the negative electrode copper bar is used for connecting with a negative electrode of the charger; the PTC positive electrode input terminal is connected with the other end of the positive electrode copper bar; the PTC positive electrode output terminal is connected with the PTC positive electrode input terminal; the PTC negative electrode input terminal is connected with the other end of the negative electrode copper bar; a PTC negative electrode output terminal connected with the PTC negative electrode input terminal; the common mode magnetic ring is sleeved on a circuit between the positive copper bar and the PTC positive input terminal, and between the negative copper bar and the PTC negative input terminal; the common mode capacitor, one end of the common mode capacitor is connected to the node between the positive copper bar and the positive input terminal of the PTC, and the other end of the common mode capacitor is connected to the node between the negative copper bar and the negative input terminal of the PTC; and the positive electrode input terminal of the compressor is connected with the other end of the positive electrode copper bar.

Description

Filtering structure of all-in-one controller
Technical Field
The utility model relates to the technical field of filter structure design of controllers, in particular to a filter structure of an all-in-one controller.
Background
With the rapid development of new energy industry in recent years, the structural form of electric drive system products is continuously innovated, and highly integrated controllers integrating PDU, charging, PTC and other functions are continuously emerging. The high integration of the controller also means that the internal electrical layout is more complicated, and electromagnetic interference sources are greatly increased. This presents a higher challenge for EMC design, one of the important indicators of the state of the art of electric drive systems. The proposal relates to a filter structure design of an all-in-one power system controller.
At present, high integration of power is a trend in industry, and an all-in-one controller is used as a representative of integrated development of a power system, and integrates a plurality of high-voltage devices in a whole vehicle, such as PTC, a compressor, DCDC, OBC or a charging module. In order to meet the EMC requirement of the whole machine, a filtering structure is usually required to be designed for each interface separately, so the internal filtering structure of the controller is complex.
Because the working condition of the whole vehicle is complex, different interfaces interfere differently. Some interfaces have larger common mode interference, some interfaces have larger differential mode interference, and the interfaces have the interference of the differential mode and the common mode together. This results in that different interfaces in the current all-in-one controller need to be independently designed with different filtering structures to meet the filtering requirements of the interfaces.
Disclosure of Invention
The embodiment of the utility model aims to provide a filtering structure of an all-in-one controller, which can meet the filtering requirement of the all-in-one power system controller.
In order to achieve the above object, an embodiment of the present utility model provides a filtering structure of an all-in-one controller, including:
the positive electrode copper bar is connected with the positive electrode of the external charger at one end of the positive electrode copper bar;
the negative electrode copper bar is connected with a negative electrode of an external charger at one end of the negative electrode copper bar;
the PTC positive electrode input terminal is connected with the other end of the positive electrode copper bar;
a PTC positive electrode output terminal connected with the PTC positive electrode input terminal;
the PTC negative electrode input terminal is connected with the other end of the negative electrode copper bar;
a PTC negative electrode output terminal connected with the PTC negative electrode input terminal;
the common mode magnetic ring is sleeved on a circuit between the positive copper bar and the PTC positive input terminal, and between the negative copper bar and the PTC negative input terminal;
one end of the common mode capacitor is connected with a node between the positive electrode copper bar and the positive electrode input terminal of the PTC, and the other end of the common mode capacitor is connected with a node between the negative electrode copper bar and the negative electrode input terminal of the PTC;
the positive electrode input terminal of the compressor is connected with the other end of the positive electrode copper bar;
the negative electrode input terminal of the compressor is connected with the other end of the negative electrode copper bar;
the first differential mode magnetic ring is sleeved on a circuit between the positive copper bar and the positive input terminal of the compressor;
the second differential mode magnetic ring is sleeved on a circuit between the negative copper bar and the PTC negative input terminal;
one end of the positive electrode filter capacitor is connected to a node between the positive electrode copper bar and the positive electrode input terminal of the compressor, and the other end of the positive electrode filter capacitor is grounded;
the negative electrode filter capacitor is characterized in that one end of the negative electrode filter capacitor is connected to a node between the negative electrode copper bar and a negative electrode input terminal of the compressor, and the other end of the negative electrode filter capacitor is grounded;
the positive output terminal of the compressor is connected with the positive input terminal of the compressor;
and the negative electrode output terminal of the compressor is connected with the negative electrode input terminal of the compressor.
Optionally, the filtering structure further includes a housing supporting plate, the positive copper bar and the negative copper bar are disposed on the front surface of the housing supporting plate, and the connection terminals of the positive copper bar and the negative copper bar extend out of one end of the housing supporting plate.
Optionally, the common mode magnetic ring is disposed at one end of the housing support plate, and is sleeved on the periphery of the housing support plate, the anode copper bar and the cathode copper bar.
Optionally, the positive output terminal of PTC is set up in the top of anodal copper bar, positive input terminal of PTC set up in the top of anodal copper bar and be located positive output terminal of PTC is kept away from the binding post's of anodal copper bar one side.
Optionally, the PTC negative electrode output terminal is disposed at the top of the negative electrode copper bar, and the PTC negative electrode input terminal is disposed at the top of the negative electrode copper bar and is located at a side of the PTC negative electrode output terminal away from the connection terminal of the negative electrode copper bar.
Optionally, the first differential-mode magnetic ring is disposed on a side of the PTC positive input terminal away from the PTC positive output terminal;
the second differential mode magnetic ring is arranged on one side of the PTC negative electrode input terminal far away from the PTC negative electrode output terminal.
Optionally, the positive output terminal of the compressor is disposed at a side of the first differential-mode magnetic ring away from the positive input terminal of the PTC, and the negative output terminal of the compressor is disposed at a side of the second differential-mode magnetic ring away from the negative output terminal of the PTC.
Optionally, the back of shell backup pad is provided with the PCB board, be provided with on the PCB board common mode electric capacity and switching copper bar, common mode electric capacity pass through the switching copper bar with anodal copper bar, negative pole copper bar are connected.
Optionally, the back of shell backup pad still is provided with the differential mode PCB board, the differential mode PCB board set up in first differential mode magnetic ring is kept away from one side of PCB board, be provided with anodal filter capacitance, negative pole filter capacitance, switching copper bar and ground connection copper bar on the differential mode PCB board, anodal filter capacitance with negative pole filter capacitance passes through the switching copper bar with anodal copper bar or negative pole copper bar are connected, anodal filter capacitance and negative pole filter capacitance pass through ground connection copper bar ground connection.
Optionally, the filtering structure further comprises a shell, and the shell is sleeved on the outer side of the common-mode magnetic ring.
Through the technical scheme, the filtering structure of the all-in-one controller provided by the utility model distributes the filtering result on the charging circuit to the PTC and the compressor loop by adopting the common-mode magnetic ring, the two differential-mode magnetic rings and the charging circuit, so that the filtering effect is ensured, and meanwhile, the design volume of the equipment is reduced.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1 is an electrical schematic diagram of a filtering structure of an all-in-one controller according to one embodiment of the utility model;
FIG. 2 is a schematic diagram of the filtering structure of the all-in-one controller according to one embodiment of the present utility model;
fig. 3 is a schematic structural view of a filtering structure of an all-in-one controller according to an embodiment of the present utility model.
Description of the reference numerals
1. Positive electrode copper bar 2 and negative electrode copper bar
3. PTC positive electrode input terminal 4 and PTC positive electrode output terminal
5. PTC negative electrode input terminal 6 and PTC negative electrode output terminal
7. Common mode magnetic ring 8 and common mode capacitor
9. Compressor positive input terminal 10 and compressor negative input terminal
11. First differential mode magnetic ring 12 and second differential mode magnetic ring
13. Positive electrode filter capacitor 14 and negative electrode filter capacitor
15. Compressor positive output terminal 16 and compressor negative output terminal
17. Shell support plate 18, shell
19. Transfer copper bar 20 and grounding copper bar
21. PCB 22, differential mode PCB
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
Fig. 1 is an electrical schematic diagram of a filtering structure of an all-in-one controller according to an embodiment of the present utility model. In this fig. 1, the filter structure may include a positive copper bar 1, a negative copper bar 2, a PTC positive input terminal 3, a PTC positive output terminal 4, a PTC negative input terminal 5, a PTC negative output terminal 6, a common mode magnetic ring 7, a common mode capacitor 8, a compressor positive input terminal 9, a compressor negative input terminal 10, a first differential mode magnetic ring 11, a second differential mode magnetic ring 12, a positive filter capacitor 13, a negative filter capacitor 14, a compressor positive output terminal 15, and a compressor negative output terminal 16.
Specifically, in this fig. 1, one end of the positive electrode copper bar 1 may be used for connection with the positive electrode of an external charger. One end of the negative electrode copper bar 2 can be used for being connected with a negative electrode of an external charger. The PTC positive input terminal 3 may be connected to the other end of the positive copper bar 1. The PTC positive output terminal 4 may be connected to the PTC positive input terminal 3. The PTC negative input terminal 5 may be connected to the other end of the negative copper bar 2. The PTC negative output terminal 6 may be connected with the PTC negative input terminal 5. The common mode magnetic ring 7 can be sleeved on the circuit between the positive copper bar 1 and the positive input terminal 3 of the PTC, and between the negative copper bar 2 and the negative input terminal 5 of the PTC. One end of the common mode capacitor 8 may be connected to a node between the positive copper bar 1 and the PTC positive input terminal 4, and the other end of the common mode capacitor 8 may be connected to a node between the negative copper bar 2 and the PTC negative input terminal 5. The compressor positive input terminal 9 may be connected to the other end of the positive copper bar 1. The compressor negative input terminal 10 may be connected to the other end of the negative copper bar 2. The first differential-mode magnetic ring 11 can be sleeved on a line between the positive copper bar 1 and the positive input terminal 9 of the compressor. The second differential-mode magnetic ring 12 may be sleeved on the line between the negative copper bar 2 and the PTC negative input terminal 5. One end of the positive electrode filter capacitor 13 may be connected to a node between the positive electrode copper bar 1 and the positive electrode input terminal 9 of the compressor, and the other end of the positive electrode filter capacitor 13 may be grounded. One end of the negative electrode filter capacitor 14 may be connected to a node between the negative electrode copper bar 2 and the negative electrode input terminal 10 of the compressor, and the other end of the negative electrode filter capacitor 14 may be grounded. The compressor positive output terminal 15 may be connected to the compressor positive input terminal 9. The compressor negative output terminal 16 may be connected to the compressor negative input terminal 10. Through this filtering structure as shown in fig. 1 for the filtering of charging circuit, PTC return circuit and compressor return circuit is integrated into a filtering structure, has reduced the volume of controller, has promoted EMC performance. And because the PTC loop and the compressor loop utilize the filtering structure of the charging loop to complete filtering, the filtering components in the EMC system are reduced, and the material cost of the controller is reduced.
In one embodiment of the present utility model, the filtering structure may further include a housing support plate 17, as shown in fig. 2, in order to facilitate the installation and fixation of the respective devices. The positive electrode copper bar 1 and the negative electrode copper bar 2 may be disposed on the front surface of the case support plate 17, and connection terminals of the positive electrode copper bar 1 and the negative electrode copper bar 2 may extend out of one end of the case support plate 17.
In one embodiment of the present utility model, the common-mode magnetic ring 7 may be disposed at one end of the housing support plate 17 and sleeved on the outer peripheries of the housing support plate 17, the positive electrode copper bar 1 and the negative electrode copper bar 2, and a housing 18 may be further disposed on the outer periphery of the common-mode magnetic ring 7 in order to fix the common-mode magnetic ring 7.
The positions of the PTC positive electrode output terminal 4 and the PT positive electrode input terminal 3 on the housing support 17 may be various as known to those skilled in the art. However, in view of minimizing the volume of the device, in one embodiment of the present utility model, the PTC positive output terminal 4 may be disposed on the top of the positive copper bar 1, and the PTC positive input terminal 3 may be disposed on the top of the positive copper bar 1 at a side of the PTC positive output terminal 4 away from the connection terminal of the positive copper bar 1.
The specific positions of the PTC negative electrode output terminal 6 and the PTC negative electrode input terminal 5 may be various ones known to those skilled in the art. However, in view of minimizing the volume of the device, in one embodiment of the present utility model, the PTC negative output terminal 6 may be disposed on the top of the negative copper bar 2, and the PTC negative input terminal may be disposed on the top of the negative copper bar 2 on the side of the PTC negative output terminal 6 away from the connection terminal of the negative copper bar 2.
The first differential mode magnetic ring 11 is sleeved on a circuit between the positive copper bar 1 and the positive input terminal 9 of the compressor. The second differential mode magnetic ring 12 is sleeved on a circuit between the negative copper bar 2 and the PTC negative input terminal 5. The first differential-mode magnetic ring 11 and the second differential-mode magnetic ring 12 are respectively used for filtering noise on corresponding lines. The positions of the first differential-mode magnetic ring 11 and the second differential-mode magnetic ring 12 may be various as known to those skilled in the art. However, in consideration of the minimization of the device volume, in one example of the present utility model, as shown in fig. 3, the first differential-mode magnetic ring 11 may be disposed at a side of the PTC positive input terminal 3 remote from the PTC positive output terminal 4. The second differential mode magnetic ring 12 may be disposed on a side of the PTC negative input terminal 5 remote from the PTC negative output terminal 6.
The arrangement of the positive output terminal 15 and the negative output terminal 16 in the housing support 17 may be various as known to those skilled in the art. However, in view of the minimized design of the device volume, as shown in fig. 3, the positive output terminal 15 of the compressor may be disposed at a side of the first differential-mode magnetic ring 11 away from the positive input terminal 3 of the PTC, and the negative output terminal 16 of the compressor may be disposed at a side of the second differential-mode magnetic ring 12 away from the negative output terminal 6 of the PTC.
The arrangement of the positive and negative compressor input terminals 9 and 10 on the housing support 17 may be varied as known to those skilled in the art. However, in view of the minimized design of the device, as shown in fig. 3, the positive input terminal 9 of the compressor may be disposed at a side of the positive output terminal 15 of the compressor away from the first differential-mode magnetic ring 11, and the negative input terminal 10 of the compressor may be disposed at a side of the negative output terminal 16 of the compressor away from the second differential-mode magnetic ring 12.
In addition, a PCB 21 may be provided on the back of the housing support plate 17 for fixing and connecting the common mode capacitor 8. The PCB 21 may be provided with a common mode capacitor 8 and a transfer copper bar 19. The common mode capacitor 8 can be connected with the positive electrode copper bar 1 and the negative electrode copper bar 2 through the switching copper bar 19.
Similarly, the positive electrode filter capacitor 13 and the negative electrode filter capacitor 14 are fixed and connected. The back of the housing support plate 17 may also be provided with a differential-mode PCB board 22. The differential-mode PCB 22 may be disposed on a side of the first differential-mode magnetic ring 11 away from the PCB 21, and the differential-mode PCB 22 may be provided with an anode filter capacitor 13, a cathode filter capacitor 14, a switching copper bar 19, and a grounding copper bar 20. The positive electrode filter capacitor 13 and the negative electrode filter capacitor 14 can be connected with the positive electrode copper bar 1 or the negative electrode copper bar 2 through the switching copper bar 19, and the positive electrode filter capacitor 13 and the negative electrode filter capacitor 14 can be grounded through the grounding copper bar 19.
Through the technical scheme, the filtering structure of the all-in-one controller provided by the utility model distributes the filtering result on the charging circuit to the PTC and the compressor loop by adopting the common-mode magnetic ring, the two differential-mode magnetic rings and the charging circuit, so that the filtering effect is ensured, and meanwhile, the design volume of the equipment is reduced.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. A filtering structure of an all-in-one controller, the filtering structure comprising:
the positive electrode copper bar is connected with the positive electrode of the external charger at one end of the positive electrode copper bar;
the negative electrode copper bar is connected with a negative electrode of an external charger at one end of the negative electrode copper bar;
the PTC positive electrode input terminal is connected with the other end of the positive electrode copper bar;
a PTC positive electrode output terminal connected with the PTC positive electrode input terminal;
the PTC negative electrode input terminal is connected with the other end of the negative electrode copper bar;
a PTC negative electrode output terminal connected with the PTC negative electrode input terminal;
the common mode magnetic ring is sleeved on a circuit between the positive copper bar and the PTC positive input terminal, and between the negative copper bar and the PTC negative input terminal;
one end of the common mode capacitor is connected with a node between the positive electrode copper bar and the positive electrode input terminal of the PTC, and the other end of the common mode capacitor is connected with a node between the negative electrode copper bar and the negative electrode input terminal of the PTC;
the positive electrode input terminal of the compressor is connected with the other end of the positive electrode copper bar;
the negative electrode input terminal of the compressor is connected with the other end of the negative electrode copper bar;
the first differential mode magnetic ring is sleeved on a circuit between the positive copper bar and the positive input terminal of the compressor;
the second differential mode magnetic ring is sleeved on a circuit between the negative copper bar and the PTC negative input terminal;
one end of the positive electrode filter capacitor is connected to a node between the positive electrode copper bar and the positive electrode input terminal of the compressor, and the other end of the positive electrode filter capacitor is grounded;
the negative electrode filter capacitor is characterized in that one end of the negative electrode filter capacitor is connected to a node between the negative electrode copper bar and a negative electrode input terminal of the compressor, and the other end of the negative electrode filter capacitor is grounded;
the positive output terminal of the compressor is connected with the positive input terminal of the compressor;
and the negative electrode output terminal of the compressor is connected with the negative electrode input terminal of the compressor.
2. The filter structure of claim 1, further comprising a housing support plate, wherein the positive copper bar and the negative copper bar are disposed on a front surface of the housing support plate, and wherein connection terminals of the positive copper bar and the negative copper bar extend out of one end of the housing support plate.
3. The filtering structure according to claim 2, wherein the common-mode magnetic ring is disposed at one end of the housing support plate and is sleeved on the peripheries of the housing support plate, the positive copper bar and the negative copper bar.
4. A filter structure according to claim 3, wherein the PTC positive output terminal is disposed at the top of the positive copper bar, and the PTC positive input terminal is disposed at the top of the positive copper bar and on a side of the PTC positive output terminal away from the connection terminal of the positive copper bar.
5. The filtering structure of claim 4, wherein the PTC negative output terminal is disposed at a top of the negative copper bar, and the PTC negative input terminal is disposed at a top of the negative copper bar and is located at a side of the PTC negative output terminal away from the connection terminal of the negative copper bar.
6. The filter structure of claim 5, wherein the first differential-mode magnetic ring is disposed on a side of the PTC positive input terminal remote from the PTC positive output terminal;
the second differential mode magnetic ring is arranged on one side of the PTC negative electrode input terminal far away from the PTC negative electrode output terminal.
7. The filter structure of claim 6, wherein the compressor positive output terminal is disposed on a side of the first differential-mode magnetic ring that is remote from the PTC positive input terminal, and the compressor negative output terminal is disposed on a side of the second differential-mode magnetic ring that is remote from the PTC negative output terminal.
8. The filter structure of claim 7, wherein the compressor positive input terminal is disposed on a side of the compressor positive output terminal that is remote from the first differential-mode magnetic ring, and the compressor negative input terminal is disposed on a side of the compressor negative output terminal that is remote from the second differential-mode magnetic ring.
9. The filtering structure according to claim 8, wherein a PCB board is disposed on the back surface of the housing support plate, and the common mode capacitor and the switching copper bar are disposed on the PCB board, and the common mode capacitor is connected with the positive electrode copper bar and the negative electrode copper bar through the switching copper bar.
10. The filtering structure according to claim 9, wherein a differential-mode PCB board is further disposed on the back of the housing support plate, the differential-mode PCB board is disposed on a side, away from the PCB board, of the first differential-mode magnetic ring, an anode filter capacitor, a cathode filter capacitor, a switching copper bar and a grounding copper bar are disposed on the differential-mode PCB board, the anode filter capacitor and the cathode filter capacitor are connected with the anode copper bar or the cathode copper bar through the switching copper bar, and the anode filter capacitor and the cathode filter capacitor are grounded through the grounding copper bar.
CN202320261657.8U 2023-02-10 2023-02-10 Filtering structure of all-in-one controller Active CN219611602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320261657.8U CN219611602U (en) 2023-02-10 2023-02-10 Filtering structure of all-in-one controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320261657.8U CN219611602U (en) 2023-02-10 2023-02-10 Filtering structure of all-in-one controller

Publications (1)

Publication Number Publication Date
CN219611602U true CN219611602U (en) 2023-08-29

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