Connector assembly with double shielding function and DC-DC converter

Abstract

The utility model discloses a connector assembly with a double shielding function and a DC-DC converter, the connector assembly comprises a connector main body, a magnetic core assembly, a filtering assembly and a plurality of copper columns, the connector main body comprises a central plate, and a first boss and a second boss respectively extending from two end surfaces of the central plate; a plurality of through holes are formed among the first boss, the center plate and the second boss, the copper columns are installed in the through holes, one ends of the copper columns extend out of the second boss, installation grooves used for installing the magnetic core assembly are formed between the end face of the second boss and the through holes, and the magnetic core assembly comprises a differential mode magnetic core and a common mode magnetic core. The differential-mode magnetic core and the common-mode magnetic core are arranged outside the copper column in a sleeving mode, the filtering assembly is installed on the side face of the second boss, the magnetic core assembly and the filtering plate assembly are integrated on the connector body, the double electromagnetic noise shielding effect is achieved, the structure is simple, universality is high, and cost is saved.

Description

Technical Field

[0001] The utility model relates to a connector component with double shielding function and a DC-DC converter. Background Art

[0002] The DC / DC converter is one of the key components in the fuel cell system. Its function is to boost the electric energy generated by the electrochemical reaction inside the fuel cell module to the required stable voltage and provide it to the electrical equipment, including power motors, batteries, etc. The DC / DC converter is equipped with the main output and input copper busbars and many electronic components. When the main output and input copper busbars are powered on, electromagnetic noise will be transmitted, including electromagnetic noise of current and voltage. These electromagnetic noises will cause adverse interference to the internal electronic components and external devices. Therefore, it is necessary to set shielding magnetic rings and other components on the main output and input copper busbars or the main line to suppress these electromagnetic noises and ensure the normal operation of the electronic components and external devices inside the DC / DC converter without interference.

[0003] In the existing technology, most DC / DC converters connect magnetic ring components to the internal main output and input copper bars, and install filter components on the copper bars to work together to suppress electromagnetic noise. The magnetic ring components and filter components are assembled in the main output and input loops in a dispersed manner, which can play a corresponding role in shielding electromagnetic noise. However, both the magnetic ring components and the filter components require independent installation space. This structural arrangement occupies a large space, has poor versatility, and increases design and production costs. Summary of the invention

[0004] The purpose of the utility model is to provide a connector assembly and a DC-DC converter with a double shielding function, which solves the problem that in the prior art, the magnetic ring assembly and the filter assembly are dispersedly assembled in the main output and input circuits, and can play a corresponding role in shielding electromagnetic noise, but the magnetic ring assembly and the filter assembly require independent installation space, the structural arrangement occupies a large space, has poor versatility, and increases the technical problems of design and production costs.

[0005] The technical solution of the utility model is achieved in this way:

[0006] The utility model provides a connector component with a double shielding function, comprising a connector body, a magnetic core component, a filter component and a plurality of copper columns, wherein the connector body comprises a center plate and a first boss and a second boss respectively extending from two end surfaces of the center plate, a plurality of through holes are arranged between the first boss, the center plate and the second boss, the copper column is installed in the through hole and one end of the copper column extends from the second boss, an installation groove for installing the magnetic core component is arranged between the end surface of the second boss and the through hole, the magnetic core component comprises a differential mode magnetic core and a common mode magnetic core, the differential mode magnetic core and the common mode magnetic core are sleeved outside the copper column, and the filter component is installed on the side of the second boss.

[0007] The number of the common-mode magnetic cores mentioned above is 1, and the number of the differential-mode magnetic cores is 2. Both the common-mode magnetic core and the differential-mode magnetic core are magnetic rings, and the two differential-mode magnetic cores are mounted on one side of the common-mode magnetic core.

[0008] Each of the copper columns mentioned above is provided with a filter connection point, and the side surface of the second boss is provided with a plurality of holes through which the filter connection points can extend to be electrically connected to the filter assembly.

[0009] The above also includes a cover plate, which is provided with a plurality of air-avoiding holes for the copper columns to extend out, and the cover plate is used to cover the notches of the installation slots and fix the differential mode magnetic core and the common mode magnetic core in the installation slots.

[0010] The central plate, the first boss and the second boss mentioned above are integrally formed by injection molding of insulating material.

[0011] A DC-DC converter comprises a box and a connector assembly installed in the box, wherein the connector assembly is the above-mentioned connector assembly with double shielding function.

[0012] A connector assembly with double shielding function comprises a connector body, a magnetic core assembly, a plurality of small filter assemblies and a plurality of copper pillars. The connector body comprises a center plate and a first boss and a second boss respectively extending from the two end surfaces of the center plate. A plurality of through holes are arranged between the first boss, the center plate and the second boss. The copper pillar is installed in the through hole and the two ends of the copper pillar extend from the first boss and the second boss respectively. An installation groove for installing the magnetic core assembly is arranged between the end surface of the second boss and the through hole. The magnetic core assembly comprises a differential mode magnetic core and a common mode magnetic core. The differential mode magnetic core and the common mode magnetic core are sleeved outside the copper pillar. A cavity is arranged on the first boss, and the cavity is connected to the through hole. The small filter assembly is installed in the cavity and connected to the copper pillar.

[0013] The number of the common-mode magnetic cores mentioned above is 1, and the number of the differential-mode magnetic cores is 2. Both the common-mode magnetic core and the differential-mode magnetic core are magnetic rings, and the two differential-mode magnetic cores are mounted on one side of the common-mode magnetic core.

[0014] Both sides of the first boss described above are provided with cavities, small filter components are installed in the cavities on both sides, and sealant is provided at the cavity openings.

[0015] Each of the copper columns mentioned above is provided with a filter connection point, and the side surface of the second boss is provided with a plurality of filter connection points through which the filter connection points can extend to be electrically connected with the small filter assembly.

[0016] The above also includes a cover plate, which is provided with a plurality of air-avoiding holes for the copper columns to extend out, and the cover plate is used to cover the notches of the installation slots and fix the differential mode magnetic core and the common mode magnetic core in the installation slots.

[0017] The central plate, the first boss and the second boss mentioned above are integrally formed by injection molding of insulating material.

[0018] A DC-DC converter comprises a box and a connector assembly installed in the box, wherein the connector assembly is the above-mentioned connector assembly with double shielding function.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] 1. A connector assembly with double shielding function, comprising a connector body, a magnetic core assembly, a filter assembly and a plurality of copper pillars, wherein the connector body comprises a center plate and a first boss and a second boss respectively extending from two end surfaces of the center plate, wherein a plurality of through holes are arranged between the first boss, the center plate and the second boss, the copper pillar is installed in the through hole and one end of the copper pillar extends from the second boss, and an installation groove for installing the magnetic core assembly is arranged between the end surface of the second boss and the through hole, the magnetic core assembly comprises a differential mode magnetic core and a common mode magnetic core, the differential mode magnetic core and the common mode magnetic core are sleeved outside the copper pillar, the filter assembly is installed on the side of the second boss, the magnetic core assembly and the filter board assembly are integrated on the connector body, so as to achieve the effect of double electromagnetic noise shielding, with simple structure, high versatility and cost saving.

[0021] 2. A connector assembly with double shielding function, comprising a connector body, a magnetic core assembly, a plurality of small filter assemblies and a plurality of copper pillars, the connector body comprising a center plate and a first boss and a second boss respectively extending from the two end surfaces of the center plate, a plurality of through holes are arranged between the first boss, the center plate and the second boss, the copper pillar is installed in the through hole and the two ends of the copper pillar extend from the first boss and the second boss respectively, an installation groove for installing the magnetic core assembly is arranged between the end surface of the second boss and the through hole, the magnetic core assembly comprises a differential mode magnetic core and a common mode magnetic core, the differential mode magnetic core and the common mode magnetic core are sleeved outside the copper pillar, a cavity is arranged on the first boss, the cavity is connected to the through hole, the small filter assembly is installed in the cavity and connected to the copper pillar, the magnetic core assembly and the filter board assembly are integrated on the connector body to achieve the effect of double electromagnetic noise shielding, the structure is simple, the versatility is high, and the cost is saved.

[0022] 3. Other advantages of the utility model are described in detail in the embodiment section of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A stereoscopic diagram of a connector assembly is provided for the first embodiment of the utility model;

[0024] Figure 2 A partial exploded view of a connector assembly is provided for the first embodiment of the utility model;

[0025] Figure 3 Another partial exploded view of the connector assembly is provided for the first embodiment of the utility model;

[0026] Figure 4 A front view of a connector assembly is provided for the first embodiment of the utility model;

[0027] Figure 5 for Figure 4 Sectional view of AA in the middle;

[0028] Figure 6 A stereoscopic diagram of a connector assembly is provided for the third embodiment of the utility model;

[0029] Figure 7 A partial exploded view of a connector assembly is provided for the third embodiment of the utility model;

[0030] Figure 8 Another partial exploded view of the connector assembly is provided for the third embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Embodiment 1:

[0033] like Figures 1 to 5 As shown, this embodiment provides a connector assembly with double shielding function, characterized in that it includes a connector body 1, a magnetic core assembly 2, a filter assembly 3 and a plurality of copper pillars 4, the connector body 1 includes a center plate 11 and a first boss 12 and a second boss 13 extending from the two end surfaces of the center plate 11 respectively, a plurality of through holes 14 are arranged between the first boss 12, the center plate 11 and the second boss 13, the copper pillar 4 is installed in the through hole 14 and one end of the copper pillar 4 extends from the second boss 13, and an installation groove 15 for installing the magnetic core assembly 2 is arranged between the end surface of the second boss 13 and the through hole 14, the magnetic core assembly 2 includes a differential mode magnetic core 21 and a common mode magnetic core 22, the differential mode magnetic core 21 and the common mode magnetic core 22 are sleeved outside the copper pillar 4, the filter assembly 3 is installed on the side of the second boss 13, the magnetic core assembly and the filter board assembly are integrated on the connector body, so as to achieve the effect of double electromagnetic noise shielding, with simple structure, high versatility and cost saving.

[0034] There is one common-mode core 22 and two differential-mode cores 21 . Both the common-mode core 22 and the differential-mode core 21 are magnetic rings. The two differential-mode cores 21 are mounted on one side of the common-mode core 22 . The structure is compact and easy to install.

[0035] Each of the copper pillars 4 is provided with a filter connection point 41, and the side of the second boss 13 is provided with a plurality of filter connection points 41 for extending and electrically connecting to the filter assembly 3. The structural arrangement is reasonable, which facilitates the electrical connection between the positive and negative poles of the copper pillars and the positive and negative poles of the filter assembly.

[0036] The above also includes a cover plate 5, which is provided with a plurality of air-avoiding holes 51 for the copper pillars 4 to extend out. The cover plate 5 is used to cover the notches of the installation slot 15 and fix the differential mode core 21 and the common mode core 22 in the installation slot 15, and the installation and fixing effect is good.

[0037] The central plate 11, the first boss 12 and the second boss 13 are integrally formed by injection molding using insulating material.

[0038] Embodiment 2:

[0039] A DC-DC converter comprises a box and a connector assembly installed in the box, wherein the connector assembly is the connector assembly with double shielding function as described in the first embodiment.

[0040] Embodiment three:

[0041] like Figures 6 to 8 As shown, a connector assembly with double shielding function is characterized in that it includes a connector body 1, a magnetic core assembly 2, and a plurality of small filter assemblies 3a and a plurality of copper pillars 4. The connector body 1 includes a center plate 11 and a first boss 12 and a second boss 13 extending from the two end surfaces of the center plate 11 respectively. A plurality of through holes 14 are provided between the first boss 12, the center plate 11 and the second boss 13. The copper pillar 4 is installed in the through hole 14 and the two ends of the copper pillar 4 extend from the first boss 12 and the second boss 13 respectively. An installation groove 15 for installing the magnetic core assembly 2 is provided between the end surface of the second boss 13 and the through hole 14. The magnetic core assembly 2 includes a differential mode magnetic core 21 and a common mode magnetic core 22. The differential mode magnetic core 21 and the common mode magnetic core 22 are sleeved outside the copper pillar 4. A cavity 121 is provided on the first boss 12, and the cavity 121 is connected to the through hole 14. The small filter assembly 3a is installed in the cavity 121 and connected to the copper pillar 4.

[0042] There is one common-mode core 22 and two differential-mode cores 21 . Both the common-mode core 22 and the differential-mode core 21 are magnetic rings. The two differential-mode cores 21 are mounted on one side of the common-mode core 22 . The structure is compact and easy to install.

[0043] The two sides of the first boss 12 are provided with cavities 121, and small filter components 3a are installed in the cavities 121 on both sides. The cavity 121 is sealed with sealant 6, which has good insulation effect. It is installed in the cavity to reduce the volume of the connector component.

[0044] A filter connection point 41 is provided on each of the above-mentioned copper columns 4, and a plurality of filter connection points 41 are provided on the side of the second boss 13 for extending and electrically connecting to the small filter component 3a. The structural arrangement is reasonable, which facilitates the electrical connection between the positive and negative poles of the copper column and the positive and negative poles of the small filter component.

[0045] The above also includes a cover plate 5, which is provided with a plurality of air-avoiding holes 51 for the copper pillars 4 to extend out. The cover plate 5 is used to cover the notches of the installation slot 15 and fix the differential mode core 21 and the common mode core 22 in the installation slot 15, and the installation and fixing effect is good.

[0046] The central plate 11, the first boss 12 and the second boss 13 are integrally formed by injection molding using insulating material.

[0047] Embodiment 4:

[0048] A DC-DC converter comprises a box and a connector assembly installed in the box, wherein the connector assembly is the connector assembly with double shielding function as described in the second embodiment.

[0049] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A connector assembly with double shielding function, characterized in that: The invention comprises a connector body (1), a magnetic core assembly (2), a filter assembly (3) and a plurality of copper pillars (4). The connector body (1) comprises a center plate (11) and a first boss (12) and a second boss (13) respectively extending from two end surfaces of the center plate (11). A plurality of through holes (14) are arranged between the first boss (12), the center plate (11) and the second boss (13). The copper pillar (4) is installed in the through hole (14) and one end of the copper pillar (4) extends from the second boss (13). A mounting groove (15) for mounting the magnetic core assembly (2) is arranged between the end surface of the second boss (13) and the through hole (14). The magnetic core assembly (2) comprises a differential mode magnetic core (21) and a common mode magnetic core (22). The differential mode magnetic core (21) and the common mode magnetic core (22) are sleeved outside the copper pillar (4). The filter assembly (3) is installed on the side of the second boss (13).

2. A connector assembly with double shielding function according to claim 1, characterized in that: The number of the common mode magnetic core (22) is one, the number of the differential mode magnetic cores (21) is two, the common mode magnetic core (22) and the differential mode magnetic core (21) are both magnetic rings, and the two differential mode magnetic cores (21) are mounted on one side of the common mode magnetic core (22).

3. A connector assembly with double shielding function according to claim 1 or 2, characterized in that: Each copper column (4) is provided with a filter connection point (41), and the side surface of the second boss (13) is provided with a plurality of filter connection points (41) that can extend out to be electrically connected to the filter assembly (3).

4. A connector assembly with double shielding function according to claim 3, characterized in that: The invention also comprises a cover plate (5), wherein the cover plate (5) is provided with a plurality of air-avoiding holes (51) for the copper pillars (4) to extend out, and the cover plate (5) is used to cover the notch of the installation groove (15) and fix the differential mode magnetic core (21) and the common mode magnetic core (22) in the installation groove (15).

5. A connector assembly with double shielding function according to claim 4, characterized in that: The central plate (11), the first boss (12) and the second boss (13) are integrally formed by injection molding of insulating material.

6. A DC-DC converter, comprising a housing and a connector assembly installed in the housing, characterized in that: The connector assembly is a connector assembly with double shielding function as described in any one of claims 1 to 5.

7. A connector assembly with double shielding function, characterized in that: The invention comprises a connector body (1), a magnetic core component (2), a plurality of small filter components (3a) and a plurality of copper pillars (4), wherein the connector body (1) comprises a center plate (11) and a first boss (12) and a second boss (13) respectively extending from two end surfaces of the center plate (11), a plurality of through holes (14) are arranged between the first boss (12), the center plate (11) and the second boss (13), the copper pillars (4) are installed in the through holes (14) and the two ends of the copper pillars (4) are respectively extended from the first boss (12) and the second boss (13). The first boss (12) extends outwardly from the second boss (13); a mounting groove (15) for mounting a magnetic core assembly (2) is provided between the end surface of the second boss (13) and the through hole (14); the magnetic core assembly (2) comprises a differential mode magnetic core (21) and a common mode magnetic core (22); the differential mode magnetic core (21) and the common mode magnetic core (22) are sleeved outside the copper column (4); a cavity (121) is provided on the first boss (12); the cavity (121) is communicated with the through hole (14); the small filter assembly (3a) is mounted in the cavity (121) and connected to the copper column (4).

8. A connector assembly with double shielding function according to claim 7, characterized in that: The number of the common mode magnetic core (22) is one, the number of the differential mode magnetic cores (21) is two, the common mode magnetic core (22) and the differential mode magnetic core (21) are both magnetic rings, and the two differential mode magnetic cores (21) are mounted on one side of the common mode magnetic core (22).

9. A connector assembly with double shielding function according to claim 7 or 8, characterized in that: Both side surfaces of the first boss (12) are provided with cavities (121), small filter components (3a) are installed in the cavities (121) on both sides, and sealing glue (6) is provided at the cavity opening of the cavity (121) for sealing.

10. A connector assembly with double shielding function according to claim 9, characterized in that: Each copper column (4) is provided with a filter connection point (41), and the side surface of the second boss (13) is provided with a plurality of filter connection points (41) that can be extended to electrically connect with the small filter assembly (3a).

11. A connector assembly with double shielding function according to claim 10, characterized in that: The invention also comprises a cover plate (5), wherein the cover plate (5) is provided with a plurality of air-avoiding holes (51) for the copper pillars (4) to extend out, and the cover plate (5) is used to cover the notch of the installation groove (15) and fix the differential mode magnetic core (21) and the common mode magnetic core (22) in the installation groove (15).

12. A connector assembly with double shielding function according to claim 11, characterized in that: The central plate (11), the first boss (12) and the second boss (13) are integrally formed by injection molding of insulating material.

13. A DC-DC converter, comprising a housing and a connector assembly installed in the housing, characterized in that: The connector assembly is a connector assembly with double shielding function as described in any one of claims 7 to 12.

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