High-voltage filter module and electronic control system

Abstract

This application provides a high-voltage filter module and an electronic control system, relating to the field of electromagnetic compatibility technology for new energy vehicles. The high-voltage filter module includes: a first busbar and a second busbar with opposite polarities, spaced apart; a first magnetic core, circumferentially arranged around the outer periphery of the first busbar; the first magnetic core and the first busbar together form a first assembly; a second magnetic core, independently arranged from the first magnetic core; the second magnetic core, circumferentially arranged around the outer periphery of the second busbar; the second magnetic core and the second busbar together form a second assembly. The high-voltage filter module of this application, on the one hand, reduces the size of the magnetic core, thus reducing the space occupied; on the other hand, it reduces the number of insulating components, saving installation space; and further, it avoids the space occupied by additional inductors, thereby allowing the high-voltage filter module to be unrestricted by the size of the enclosure.

Description

Technical Field

[0001] This application relates to the field of electromagnetic compatibility technology for new energy vehicles, and in particular to a high-voltage filter module and an electronic control system. Background Technology

[0002] In new energy vehicles, low-voltage equipment such as motors, electronic controls, power supplies, batteries, and air conditioners all operate simultaneously. If electromagnetic interference from some of these electronic devices is severe, other devices will also be significantly affected. During vehicle operation, an electronic device may suddenly stop working, posing a significant threat to driving safety. Furthermore, even if electronic interference doesn't cause electronic devices to stop operating, drivers are still exposed to electromagnetic radiation over long journeys, posing a threat to their health. Therefore, resolving electromagnetic compatibility issues in new energy vehicles is an urgent technical requirement.

[0003] In existing electronic control systems, high-voltage filter modules are primarily used to filter out noise generated during the rapid switching of IGBT modules, ensuring that the electronic control system meets the electromagnetic compatibility standards of components and the entire vehicle. High-voltage filter modules typically employ common-mode magnetic cores made of ferrite, manganese-zinc, or nanocrystalline materials, which are passed through positive and negative busbars and capacitors to construct an LC filter topology.

[0004] However, existing high-voltage filter modules occupy a large space. In practical applications, the size of the housing of electronic control products is usually difficult to increase due to the overall vehicle design. The size range of electronic control products is very small, and the size available for placing high-voltage filter modules is also very limited. Utility Model Content

[0005] In view of the above problems, this application provides a high-voltage filter module and an electronic control system to solve the problem that existing high-voltage filter modules occupy a large space and are limited by the size of electronic control products.

[0006] To achieve the above objectives, the embodiments of this application provide the following technical solutions:

[0007] A first aspect of this application provides a high-voltage filter module, comprising:

[0008] The first and second busbars have opposite polarities and are spaced apart.

[0009] The first magnetic core is arranged circumferentially around the outer peripheral wall of the first busbar; the first magnetic core and the first busbar together form the first assembly.

[0010] The second magnetic core is set independently of the first magnetic core; the second magnetic core is arranged around the outer peripheral wall of the second busbar; the second magnetic core and the second busbar together form the second assembly.

[0011] In one possible implementation, the first magnetic core includes two first parts, which are bonded to the outer peripheral wall of the first busbar.

[0012] The second magnetic core includes two second parts, which are bonded to the outer peripheral wall of the second busbar.

[0013] In one possible implementation, the first magnetic core is sintered on the outer peripheral wall of the first busbar; the second magnetic core is sintered on the outer peripheral wall of the second busbar.

[0014] In one possible implementation, the first busbar is provided with a first connecting portion and first limiting portions located at both ends of the first connecting portion; the first magnetic core is arranged circumferentially around the outer peripheral wall of the first connecting portion, and the first limiting portions are used to limit the first magnetic core;

[0015] The second busbar is provided with a second connecting part and a second limiting part located at both ends of the second connecting part; the second magnetic core is arranged circumferentially around the outer peripheral wall of the second connecting part, and the second limiting part is used to limit the second magnetic core.

[0016] In one possible implementation, the high-voltage filter module further includes a frame that encloses the first assembly and the second assembly; the frame, the first assembly, and the second assembly together form an integral structure.

[0017] In one possible implementation, the first assembly and the second assembly are integrally injection molded into the frame.

[0018] In one possible implementation, the frame includes a partition located between the first busbar and the second busbar.

[0019] In one possible implementation, the high-voltage filter module further includes:

[0020] The first capacitor is connected in parallel between the first busbar and the second busbar;

[0021] Two second capacitors, one of which is connected in parallel between the first busbar and the conductor ground, and the other of which is connected in parallel between the second busbar and the conductor ground.

[0022] In one possible implementation, the first assembly and the second assembly are arranged symmetrically.

[0023] A second aspect of this application provides an electronic control system, including the high-voltage filter module as described above.

[0024] The high-voltage filter module provided in this application embodiment integrates a first magnetic core circumferentially around the outer wall of a first busbar, forming a first assembly with the first busbar. This allows the first busbar to function as both a current carrier and part of the filter inductor. Similarly, a second magnetic core circumferentially around the outer wall of a second busbar forms a second assembly with the second busbar, directly integrating the second magnetic core into the second busbar. This allows the second busbar to function as both a current carrier and part of the filter inductor. On one hand, the first and second magnetic cores are independently configured and integrated with the first and second busbars respectively, reducing the size of the magnetic cores and minimizing installation space. On the other hand, it reduces the need for insulation components, saving installation space. Furthermore, it avoids the space occupied by additional inductor components, thus allowing the high-voltage filter module to operate without being limited by the size of the enclosure.

[0025] In addition to the technical problems solved by the embodiments of this application, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions described above, other technical problems that can be solved by the high-voltage filter module and the electronic control system provided by the embodiments of this application, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further explained in detail in the specific implementation. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of the high-voltage filter module provided in the embodiments of this application;

[0028] Figure 2 A perspective view of the first assembly of the high-voltage filter module provided in the first embodiment of this application;

[0029] Figure 3 A perspective view of the second assembly of the high-voltage filter module provided in the first embodiment of this application;

[0030] Figure 4 This is an exploded view of the first assembly of the high-voltage filter module provided in the first embodiment of this application;

[0031] Figure 5 This is an exploded view of the second assembly of the high-voltage filter module provided in the first embodiment of this application;

[0032] Figure 6 This is an exploded view of the first assembly of the high-voltage filter module provided in the second embodiment of this application;

[0033] Figure 7 This is an exploded view of the second assembly of the high-voltage filter module provided in the second embodiment of this application;

[0034] Figure 8 A perspective view of the first assembly, the second assembly, and the frame of the high-voltage filter module provided in the third embodiment of this application;

[0035] Figure 9 This is an exploded view of the first assembly, the second assembly, and the frame of the high-voltage filter module provided in the third embodiment of this application.

[0036] Explanation of reference numerals in the attached figures:

[0037] 10. First assembly; 101. First input port; 102. First output port; 11. First busbar; 111. First connecting part; 112. First limiting part; 12. First magnetic core; 121. First separate part;

[0038] 20. Second assembly; 201. Second input port; 202. Second output port; 21. Second busbar; 211. Second connecting part; 212. Second limiting part; 22. Second magnetic core; 221. Second separate part;

[0039] 30. Frame; 31. Divider;

[0040] 41. First capacitor; 42. Second capacitor. Detailed Implementation

[0041] First, those skilled in the art should understand that these embodiments are merely for explaining the technical principles of this application and are not intended to limit the scope of protection of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0042] Secondly, it should be noted that, in the description of the embodiments of this application, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0043] As described in the background section, high-voltage filter modules in related technologies suffer from a large footprint, limited by the size constraints of electronic control products. The inventors have discovered that this problem arises because these modules primarily utilize one or more ferrite, manganese-zinc, or nanocrystalline material cores with an inductance of approximately 10uH, along with multiple sets of capacitors. In some designs, the ferrite or manganese-zinc cores are fixed to a plastic shell using adhesive or plastic coating, with positive and negative copper busbars passing through the cores, and insulation between the busbars and cores using plastic components. In other designs, the nanocrystalline cores are glued to a protective shell, with positive and negative copper busbars passing through the cores, and insulation between the busbars and cores using plastic components. Due to the insulation, the core size cannot be minimized, requiring a larger enclosure for the electronic control product. However, in practical applications, the enclosure size is often difficult to increase due to overall vehicle design limitations, resulting in a very limited range of possible electronic control product dimensions, and consequently, a very limited space for the high-voltage filter module.

[0044] To address the aforementioned technical problems, embodiments of this application provide a high-voltage filter module and an electronic control system. The high-voltage filter module includes: a first busbar and a second busbar with opposite polarities, the first busbar and the second busbar being spaced apart; a first magnetic core, circumferentially arranged around the outer peripheral wall of the first busbar; the first magnetic core and the first busbar together forming a first assembly; a second magnetic core, independently arranged from the first magnetic core; the second magnetic core circumferentially arranged around the outer peripheral wall of the second busbar; the second magnetic core and the second busbar together forming a second assembly. The high-voltage filter module provided in this application embodiment integrates a first magnetic core circumferentially around the outer wall of a first busbar, forming a first assembly with the first busbar. This allows the first busbar to function as both a current carrier and part of the filter inductor. Similarly, a second magnetic core circumferentially around the outer wall of a second busbar forms a second assembly with the second busbar, directly integrating the second magnetic core into the second busbar. This allows the second busbar to function as both a current carrier and part of the filter inductor. On one hand, the first and second magnetic cores are independently configured and integrated with the first and second busbars respectively, reducing the size of the magnetic cores and minimizing installation space. On the other hand, it reduces the need for insulation components, saving installation space. Furthermore, it avoids the space occupied by additional inductor components, thus allowing the high-voltage filter module to operate without being limited by the size of the enclosure.

[0045] To make the above-mentioned objectives, features, and advantages of the embodiments of this application more apparent and understandable, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0046] Please refer to Figures 1-9 The first aspect of this application provides a high-voltage filter module, comprising:

[0047] A first busbar 11 and a second busbar 21 with opposite polarities are provided alternately.

[0048] The first magnetic core 12 is arranged circumferentially around the outer peripheral wall of the first busbar 11; the first magnetic core 12 and the first busbar 11 together form the first assembly 10;

[0049] The second magnetic core 22 is set independently of the first magnetic core 12; the second magnetic core 22 is arranged around the outer peripheral wall of the second busbar 21; the second magnetic core 22 and the second busbar 21 together form the second assembly 20.

[0050] It should be noted that, please refer to Figure 1 As shown, the first busbar 11 can be a positive busbar, and the second busbar 21 can be a negative busbar. The first busbar 11 and the second busbar 21 are spaced apart, and the distance between the first busbar 11 and the second busbar 21 is kept within the safety distance, without the need for additional insulation structures. The first magnetic core 12 and the second magnetic core 22 can be configured as small magnetic cores with an inductance of 100 nH, and can be combined with capacitors to form a high-voltage filter module.

[0051] In this embodiment, the first busbar 11 and the second busbar 21 are spaced apart and maintained at a safety distance. A first magnetic core 12 is arranged around the outer periphery of the first busbar 11, forming a first assembly 10 with the first busbar 11. This directly integrates the first magnetic core 12 into the first busbar 11, making the first busbar 11 both a current carrier and part of a filter inductor. A second magnetic core 22 is arranged around the outer periphery of the second busbar 21, forming a second assembly with the second busbar 21. The first magnetic core 12 and the second magnetic core 22 are directly integrated into the second busbar 21, making the second busbar 21 both a current carrier and part of the filter inductor. On the one hand, the first magnetic core 12 and the second magnetic core 22 are set independently and integrated with the first busbar 11 and the second busbar 21 respectively, which reduces the size of the magnetic core and reduces the space occupied for installation. On the other hand, it reduces the setting of insulation components, saving installation space. Furthermore, it avoids the space occupation caused by additional inductor devices, thus allowing the high-voltage filter module to be unrestricted by the size of the enclosure.

[0052] Furthermore, differential-mode noise manifests as current fluctuations between the positive and negative buses; common-mode noise manifests as current fluctuations between the positive and negative buses and ground. The high-voltage filter module provided in this application, due to the opposite polarities of the first busbar 11 and the second busbar 21, forms a first assembly 10 with the first magnetic core 12 and the first busbar 11, and a second assembly 20 with the second magnetic core 22 and the second busbar 21. For differential-mode noise, the noise current between the first busbar 11 and the second busbar 21 flows through the series inductance path of the first magnetic core 12 and the second magnetic core 22, with the total inductance being the sum of the two magnetic cores, significantly increasing the impedance and thus attenuating the differential-mode noise. For common-mode noise, the noise currents of the first busbar 11 and the second busbar 21 to ground flow in opposite directions in the first magnetic core 12 and the second magnetic core 22, with the magnetic fluxes of the cores superimposed (due to opposite current directions but symmetrical magnetic circuits), generating high-frequency impedance, thereby suppressing common-mode current and thus simultaneously filtering out both differential-mode and common-mode noise.

[0053] Furthermore, the first busbar 11 and the second busbar 21 can be made of copper. Copper has high electrical conductivity, and this material can transmit high voltage and low resistance.

[0054] Further, please see Figure 1 As shown, the first busbar 11 has a first input port 101 and a first output port 102 at its two ends; the second busbar 21 has a second input port 201 and a second output port 202 at its two ends.

[0055] In one possible implementation, please see Figure 6 As shown, the first magnetic core 12 includes two first parts 121, which are bonded to the outer peripheral wall of the first busbar 11.

[0056] Please see Figure 7 As shown, the second magnetic core 22 includes two second parts 221, which are bonded to the outer peripheral wall of the second busbar 21.

[0057] In this embodiment, both the first magnetic core 12 and the second magnetic core 22 adopt a split structure. The two first splits 121 are bonded to the outer peripheral wall of the first busbar 11, so that the first magnetic core 12 and the first busbar 11 together form a first assembly 10, thereby directly integrating the first magnetic core 12 into the first busbar 11. The two second splits 221 are bonded to the outer peripheral wall of the second busbar 21, so that the second magnetic core 22 and the second busbar 21 together form a second assembly 20, thereby directly integrating the second magnetic core 22 into the second busbar 21. On the one hand, this reduces the size of the magnetic core, reduces the space occupied by the installation, reduces the setting of insulating parts, saves installation space, and avoids the space occupation caused by additional inductor devices, thus allowing the high-voltage filter module to be unrestricted by the size of the enclosure. On the other hand, it can simultaneously filter out differential mode noise and common mode noise. Furthermore, the bonding process for integrating the magnetic core onto the busbar simplifies the manufacturing process, improves production efficiency, and facilitates mass production.

[0058] In one possible implementation, please see Figure 2 As shown, the first magnetic core 12 is sintered on the outer peripheral wall of the first busbar 11; please refer to... Figure 3 As shown, the second magnetic core 22 is sintered on the outer peripheral wall of the second busbar 21.

[0059] In this embodiment, the first magnetic core 12 is integrated onto the first busbar 11 and the second magnetic core 22 is integrated onto the second busbar 21 through a sintering process. This reduces the size of the magnetic core, decreases the space occupied during installation, reduces the need for insulation components, saves installation space, and avoids the space occupation caused by additional inductors. Consequently, the high-voltage filter module is not limited by the size of the enclosure. Furthermore, it can simultaneously filter out differential-mode noise and common-mode noise. Moreover, integrating the magnetic core onto the busbar through a sintering process simplifies the manufacturing process, improves production efficiency, and facilitates mass production. In addition, the high interface strength between the sintered magnetic core and the busbar improves the vibration and shock resistance of the assembly and the high-voltage filter module, preventing filter failure due to loosening. It also improves the high-temperature resistance of the assembly, thereby enhancing the reliability of the high-voltage filter module under harsh operating conditions.

[0060] In one possible implementation, please see Figure 4As shown, the first busbar 11 is provided with a first connecting part 111 and a first limiting part 112 located at both ends of the first connecting part 111; the first magnetic core 12 is arranged circumferentially around the outer peripheral wall of the first connecting part 111, and the first limiting part 112 is used to limit the first magnetic core 12.

[0061] Please see Figure 5 As shown, the second busbar 21 is provided with a second connecting part 211 and a second limiting part 212 located at both ends of the second connecting part 211; the second magnetic core 22 is arranged around the outer peripheral wall of the second connecting part 211, and the second limiting part 212 is used to limit the second magnetic core 22.

[0062] In this embodiment, the first magnetic core 12 is mechanically limited by the first limiting part 112, and the second magnetic core 22 is mechanically limited by the second limiting part 212. On the one hand, this can ensure that the position of the magnetic core on the busbar is fixed, avoiding the magnetic core displacement caused by vibration, impact or thermal expansion; on the other hand, it facilitates the positioning of the magnetic core during the manufacturing process, thereby ensuring that the magnetic core is accurately installed at the designated position on the busbar.

[0063] Furthermore, the width of the first limiting part 112 is greater than the width of the first connecting part 111; the width of the second limiting part 212 is greater than the width of the second connecting part 211.

[0064] In one possible implementation, please see Figure 8 and Figure 9 As shown, the high-voltage filter module also includes a frame 30, which encloses the first assembly 10 and the second assembly 20; the frame 30, the first assembly 10, and the second assembly 20 together form an integral structure.

[0065] In this embodiment, the first assembly 10 and the second assembly 20 are enclosed by the frame 30, thereby fixing the first assembly 10 and the second assembly 20 and insulating the first busbar 11 and the second busbar 21, thereby enhancing the vibration resistance and reliability of the high-voltage filter module. The frame 30, the first assembly 10 and the second assembly 20 together form an integral structure, which not only enables modular assembly and improves production efficiency, but also helps to reduce space occupation and facilitates the miniaturization of the high-voltage filter module.

[0066] In one possible implementation, the first assembly 10 and the second assembly 20 are integrally injection molded into the frame 30.

[0067] In this embodiment, by integrally injection molding the first assembly 10 and the second assembly 20 into the frame 30 during the manufacturing process, the volume of the frame 30 and the high-voltage filter module can be effectively reduced, thereby reducing space occupation and production costs. On the other hand, the manufacturing process can be simplified and production efficiency can be improved. Furthermore, the highly integrated design of the high-voltage filter module is achieved, which is conducive to further improving the space utilization of the product.

[0068] In one possible implementation, please see Figure 8 and Figure 9 As shown, the frame 30 includes a partition 31, which is located between the first busbar 11 and the second busbar 21.

[0069] In this embodiment of the application, when the first assembly 10 and the second assembly 20 are integrally injection molded with the frame 30, a partition 31 is formed between the first busbar 11 and the second busbar 21, thereby providing electrical insulation between the first busbar 11 and the second busbar 21. On the one hand, this ensures the insulation strength between the first busbar 11 and the second busbar 21, and on the other hand, it further reduces the distance between the first busbar 11 and the second busbar 21, which is beneficial to reducing the volume of the frame 30 and the high-voltage filter module.

[0070] In one possible implementation, please see Figure 1 As shown, the high-voltage filter module also includes:

[0071] The first capacitor 41 is connected in parallel between the first busbar 11 and the second busbar 21;

[0072] Two second capacitors 42, one of which is connected in parallel between the first busbar 11 and the conductor ground, and the other is connected in parallel between the second busbar 21 and the conductor ground.

[0073] It should be noted that the first capacitor 41 is an X capacitor; the second capacitor 42 is a Y capacitor.

[0074] In this embodiment, for differential mode noise, the noise current between the first busbar 11 and the second busbar 21 flows through the inductance series path of the first magnetic core 12 and the second magnetic core 22. The total inductance is the sum of the two magnetic cores, and the impedance is significantly increased, thereby attenuating the differential mode noise. By connecting the first capacitor 41 in parallel between the first busbar 11 and the second busbar 21, the first magnetic core 12 and the second magnetic core 22 form a low impedance path with the first capacitor 41, thereby diverting the differential mode noise to ground and further reducing the amplitude of the differential mode noise. For common-mode noise, the noise currents of the first busbar 11 and the second busbar 21 to ground flow in opposite directions in the first magnetic core 12 and the second magnetic core 22. The magnetic fluxes of the magnetic cores are superimposed (because the current directions are opposite but the magnetic circuits are symmetrical), generating high-frequency impedance, thereby suppressing the common-mode current and thus filtering out differential-mode noise and common-mode noise at the same time. The second capacitor 42 is connected in parallel between the busbar and the conductor ground. The common-mode current needs to return through the magnetic core → ground. The high-frequency impedance of the magnetic core forces the noise current to bypass to ground through the second capacitor 42, forming a low-impedance path, thereby reducing interference radiation to ground.

[0075] In one possible implementation, the first assembly 10 and the second assembly 20 are arranged symmetrically.

[0076] In this embodiment, the first assembly 10 and the second assembly 20 are symmetrically arranged, which on the one hand makes the magnetic field distribution of the first assembly 10 and the second assembly 20 mirror symmetrical, and the differential mode noise cancels each other in the propagation path; on the other hand, it can force the common mode current path to be symmetrically distributed, and cancel the external radiation field through mutual inductance effect; and furthermore, it can make the first assembly 10 and the second assembly 20 share a set of molds, thereby reducing the mold development cost.

[0077] This application also provides an electronic control system, including the high-voltage filter module as described above.

[0078] Given that the electronic control system in this embodiment includes the high-voltage filter module described in any of the above embodiments, the structure and beneficial effects of the high-voltage filter module in the electronic control system will not be described in detail here.

[0079] The various embodiments or implementation methods described in this specification are presented in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.

[0080] It should be noted that the terms "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., mentioned in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0081] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A high-voltage filter module, characterized in that, include: A first busbar (11) and a second busbar (21) with opposite polarities are provided, with the first busbar (11) and the second busbar (21) being spaced apart; A first magnetic core (12) is arranged circumferentially around the outer peripheral wall of the first busbar (11); the first magnetic core (12) and the first busbar (11) together form a first assembly (10); The second magnetic core (22) is independently arranged from the first magnetic core (12); the second magnetic core (22) is arranged around the outer peripheral wall of the second busbar (21); the second magnetic core (22) and the second busbar (21) together form the second assembly (20).

2. The high-voltage filter module according to claim 1, characterized in that, The first magnetic core (12) includes two first parts (121), which are bonded to the outer peripheral wall of the first busbar (11); The second magnetic core (22) includes two second parts (221), which are bonded to the outer peripheral wall of the second busbar (21).

3. The high-voltage filter module according to claim 1, characterized in that, The first magnetic core (12) is sintered on the outer peripheral wall of the first busbar (11); the second magnetic core (22) is sintered on the outer peripheral wall of the second busbar (21).

4. The high-voltage filter module according to claim 2 or 3, characterized in that, The first busbar (11) is provided with a first connecting part (111) and a first limiting part (112) located at both ends of the first connecting part (111); the first magnetic core (12) is arranged circumferentially around the outer peripheral wall of the first connecting part (111), and the first limiting part (112) is used to limit the first magnetic core (12); The second busbar (21) is provided with a second connecting part (211) and a second limiting part (212) located at both ends of the second connecting part (211); the second magnetic core (22) is arranged around the outer peripheral wall of the second connecting part (211), and the second limiting part (212) is used to limit the second magnetic core (22).

5. The high-voltage filter module according to claim 2 or 3, characterized in that, The high-voltage filter module also includes a frame (30), which encloses the first assembly (10) and the second assembly (20); the frame (30) together with the first assembly (10) and the second assembly (20) form an integral structure.

6. The high-voltage filter module according to claim 5, characterized in that, The first assembly (10) and the second assembly (20) are integrally injection molded into the frame (30).

7. The high-voltage filter module according to claim 5, characterized in that, The frame (30) includes a partition (31) which is located between the first busbar (11) and the second busbar (21).

8. The high-voltage filter module according to any one of claims 1-3, characterized in that, The high-voltage filter module also includes: The first capacitor (41) is connected in parallel between the first busbar (11) and the second busbar (21); Two second capacitors (42), one of which is connected in parallel between the first busbar (11) and the conductor ground, and the other of which is connected in parallel between the second busbar (21) and the conductor ground.

9. The high-voltage filter module according to claim 8, characterized in that, The first assembly (10) and the second assembly (20) are arranged symmetrically.

10. An electronic control system, characterized in that, Includes the high-voltage filter module as described in any one of claims 1 to 9 above.

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