A filtering module and a filtering connector assembly

Abstract

The present invention relates to the technical field of connectors, and particularly to a filtering module and a filtering connector assembly. The filtering module includes a module housing and a filtering circuit installed in the module housing. The module housing has a fixed connection structure for fixedly connecting to an installation base. The filtering circuit is connected to a circuit input conductive row and a circuit output conductive row that are fixedly assembled with the module housing and extend out of the module housing. At least one of the circuit input conductive row and the circuit output conductive row has a connector bearing connection section for extending into the connector housing to fixedly connect the connector housing thereto, and a contact section that directly serves as a contact of the connector to connect with the contact of the mating connector. The circuit input conductive row or the circuit output conductive row not only serves as an installation carrier of the connector to install and carry the connector, realizing the fixed retention of the connector thereon, but also directly serves as a contact of the connector to connect with the contact of the mating connector, making the assembly connection more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular, to a filtering module and a filtering connector assembly. Background Art

[0002] When motors, electric controls, DC power supplies, radars, communication devices, entertainment devices, etc. on new energy vehicles are working, they may all generate electromagnetic waves that interfere with other devices. The complex electromagnetic environment not only affects the normal use of in-vehicle devices, but may seriously affect driving safety in severe cases. Currently, for high-voltage systems, that is, high-current and high-voltage circuit systems, for new energy vehicles, after achieving an ideal effect in high-voltage filtering, on the one hand, it can eliminate or weaken high-voltage loop noise; on the other hand, after filtering treatment of the high-voltage system, it can greatly reduce the EMC pressure of the low-voltage system of new energy vehicles. Most traditional filtering connectors are low-voltage and small-current filtering connectors, with most currents below 10A. They adopt an integrated design, generally with a small volume. There are multiple pins in the connector, and the filtering function is realized on the pins. Compared with low-voltage and small-current filtering connectors, the components used in high-voltage and large-current filtering connectors are larger in volume. Therefore, if an integrated connector like a low-voltage and small-current filtering connector is to be made, the volume will be relatively large. Therefore, high-voltage and large-current filtering connectors are generally made into discrete connectors, that is, a filtering module and a connector are designed independently, and then the connector is connected to the filtering module. The circuit that needs to be filtered in the connector is connected to the filtering circuit of the filtering module for filtering treatment, and after filtering, it is output from the output end of the filtering module.

[0003] Traditional filtering modules usually adopt a metal shell for encapsulation, with only two connection ports, an input port and an output port, left on the metal shell. The connector needs to be connected to the input port of the filtering module through a cable. The output port of the filtering module directly connects a cable to output the filtered circuit or transmits the filtered circuit to another connector through a cable. This type of filtering module with this structure needs to set an input port and an output port on the metal shell, and circuit connectors that match the input port and the output port need to be set on the cable to achieve the connection between the connector and the filtering module, and the connection method is relatively complex.

[0004] The Chinese invention patent with the authorization announcement number CN107040229B discloses a filter component and a high-voltage connector fitting for a high-voltage connector fitting. The filter component is installed in an installation housing. The filter component includes a filter housing and a filter circuit installed in the filter housing. The filter circuit is connected with a bus bar. The bus bar is fixedly assembled with the filter housing and extends out of the filter housing at both ends. One end of the bus bar extending out of the filter housing is used to connect a first connector through a thread, and the other end is inserted into the second connector housing and directly used as the insertion contact of the second connector. The second connector is fixedly installed outside the installation housing. This high-voltage connector fitting overcomes the disadvantage of the complex connection method existing when a traditional filter module and a connector need to be connected through a cable. However, during assembly, it is necessary to fixedly install the filter component inside the installation housing, fixedly install the second connector outside the installation housing, insert one end of the bus bar of the filter component into the second connector housing and directly use it as the insertion contact of the second connector. The installation housing serves as the installation carrier of the second connector. It is necessary to set a fixed connection structure on the second connector housing for fixed connection to the installation housing, and set an installation structure on the installation housing that cooperates with the fixed connection structure on the second connector housing to fixedly install the second connector to the installation housing through fasteners. During assembly, it is also necessary to consider the cooperation relationship between the bus bar of the filter component and the second connector. Therefore, the assembly connection between the filter component and the connector is still relatively inconvenient. Summary of the Invention

[0005] The purpose of the present invention is to provide a filter module to solve the problem of inconvenient assembly connection between the existing filter component and the connector; the purpose of the present invention is also to provide a filter connector component to solve the problem of inconvenient assembly connection between the existing filter component and the connector.

[0006] The filter module of the present invention adopts the following technical solutions:

[0007] A filter module includes a module housing and a filter circuit installed in the module housing. The module housing has a fixed connection structure for fixedly connecting to an installation base. The filter circuit is connected with a circuit input bus bar and a circuit output bus bar that are fixedly assembled with the module housing and extend out of the module housing. At least one of the circuit input bus bar and the circuit output bus bar has a connector bearing connection section for extending into the connector housing to fixedly connect the connector housing thereto and a contact section directly serving as a contact of the connector to connect with the contact of the mating connector.

[0008] Furthermore, an elastic snap connection structure for cooperating with the connector housing during the process of inserting into the connector housing is provided on the connector bearing connection section to facilitate the disassembly and assembly with the connector housing.

[0009] Further, the elastic snap connection structure is a snap groove for cooperating with an elastic snap in the connector housing.

[0010] Further, a positioning stop structure is provided on the connector bearing connection section for stop cooperation with the connector housing in the insertion direction to determine whether the insertion is in place.

[0011] Further, both side edges in the width direction of the connector bearing connection section respectively have widened outer edges, and the widened outer edges have forward-facing stop step surfaces, and the stop step surfaces constitute the positioning stop structure.

[0012] Beneficial effects: The filtering module of the present invention is a pioneering invention. The module housing has a fixed connection structure, and the module housing can be fixedly connected to the mounting base through the fixed connection structure. A filtering circuit is installed in the module housing, and the filtering circuit is connected with a circuit input conductive busbar and a circuit output conductive busbar. The circuit input conductive busbar and the circuit output conductive busbar extend outside the module housing. When assembling and connecting the filtering module with the connector, directly insert the connector towards the filtering module so that the extended part of the circuit input conductive busbar or the circuit output conductive busbar of the filtering module extends into the connector housing, thereby directly fixing and connecting the connector housing to the circuit input conductive busbar or the circuit output conductive busbar. The circuit input conductive busbar or the circuit output conductive busbar not only serves as the mounting carrier of the connector to mount and carry the connector to achieve the fixed retention thereof, but also directly serves as the contact part of the connector to connect with the contact part of the mating connector. The connector housing does not need to be fixedly connected to the mounting base any more, and there is no need to specifically provide a fixed connection structure on the connector housing, nor is there a need to specifically provide a mounting structure on the mounting base for mating with the connector installation. Directly inserting the connector towards the filtering module completes the fixed assembly of the connector and the assembly connection between the connector and the filtering module, and the assembly connection is more convenient.

[0013] The filtering connector assembly of the present invention adopts the following technical solution:

[0014] A filtering connector assembly includes an independently provided filtering module and a connector. The connector includes a connector housing. The filtering module includes a module housing and a filtering circuit installed in the module housing. The module housing has a fixed connection structure for fixedly connecting to a mounting base. The filtering circuit is connected with a circuit input conductive busbar and a circuit output conductive busbar that are fixedly assembled with the module housing and extend outside the module housing. One of the circuit input conductive busbar and the circuit output conductive busbar has a connector bearing connection section and a contact section extending into the connector housing. The connector housing is fixedly connected to the connector bearing connection section to achieve fixed retention, and the contact section directly serves as the contact part of the connector to connect with the contact part of the mating connector.

[0015] Further, the connection section of the connector carrier is snap-connected to the connector housing through an elastic snap, and is snap-connected to the connector housing during the process of inserting the connection section of the connector carrier into the connector housing.

[0016] Further, a contact insertion cavity is provided in the connector housing. The connection section and the contact section of the connector carrier are inserted into the contact insertion cavity. Elastic snaps are provided on the cavity wall of the contact insertion cavity and extend in the insertion direction. A snap groove for cooperating with the elastic snaps is provided on the connection section of the connector carrier.

[0017] Further, the connector housing and the connection section of the connector carrier are in a blocking fit in the insertion direction so as to be just snap-connected when the insertion is in place.

[0018] Further, the two side edges in the width direction of the connection section of the connector carrier respectively have widened outer edges, and the widened outer edges have forward blocking step surfaces. The connector housing is in a blocking fit with the blocking step surfaces.

[0019] Further, the contact insertion cavity has a guiding flared opening for guiding the contact section to enter.

[0020] Beneficial effects: The filter connector assembly of the present invention is a pioneering invention. The filter module and the connector are independently arranged. The module housing of the filter module has a fixed connection structure and can be fixedly connected to the installation base through the fixed connection structure. A filter circuit is installed in the module housing. The filter circuit is connected with a circuit input conductive row and a circuit output conductive row. The circuit input conductive row and the circuit output conductive row extend outside the module housing. The extending part of the circuit input conductive row or the circuit output conductive row extends into the connector housing. The connector housing is directly fixedly connected to the circuit input conductive row or the circuit output conductive row. The circuit input conductive row or the circuit output conductive row not only serves as the installation carrier of the connector to install and carry the connector and realize the fixed retention thereof, but also directly serves as the contact part of the connector to be connected with the contact part of the mating connector. The connector housing does not need to be fixedly connected to the installation base any more, and there is no need to specially set a fixed connection structure on the connector housing, nor is there a need to specially set an installation structure on the installation base for mating with the installation of the connector. Inserting the connector directly towards the filter module for butt joint completes the fixed assembly of the connector and the connection between the connector and the filter module, and the assembly connection is more convenient. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of the filter module and the connector of the filter connector assembly of the present invention when they are not assembled and connected in the embodiment;

[0022] Figure 2 It is a schematic structural diagram of the connector in the embodiment of the filter connector assembly of the present invention;

[0023] Figure 3 Schematic structural diagram of the filtering module in an embodiment of the filtering connector assembly of the present invention;

[0024] Figure 4 Top view of the filtering module in an embodiment of the filtering connector assembly of the present invention;

[0025] Figure 5 Front view of the filtering module in an embodiment of the filtering connector assembly of the present invention;

[0026] Figure 6 Right view of the filtering module in an embodiment of the filtering connector assembly of the present invention;

[0027] Figure 7 Left view of the filtering module in an embodiment of the filtering connector assembly of the present invention;

[0028] Figure 8 Installation schematic diagram of the circuit input conductive row at the front end of the filtering module extending into the connector housing in an embodiment of the filtering connector assembly of the present invention;

[0029] Figure 9 Schematic diagram of the filtering module and the connector assembled and connected in an embodiment of the filtering connector assembly of the present invention;

[0030] Figure 10 is Figure 9 Enlarged schematic diagram of part A in;

[0031] In the figure: 1. Installation base; 1-1. Installation table; 1-2. Installation hole; 2. Filtering module; 2-1. Module housing; 2-2. Fixed table; 2-3. Circuit input conductive row; 2-4. Connector bearing connection section; 2-5. Contact section; 2-6. Clamping slot; 2-7. Widened outer edge; 2-8. Stopping step surface; 2-9. Circuit output conductive row; 3. Connector; 3-1. Connector housing; 3-2. Contact member insertion cavity; 3-3. Elastic buckle; 3-4. Internal insulator; 3-5. Guiding flared opening; 3-6. Ground shielding cylinder; 3-7. Spring arm; 3-8. Sealing ring; 4. Fastener installation hole. Detailed implementation manner

[0032] The present invention is mainly used to solve the problem that the assembly connection between the existing filter component and the connector is inconvenient. The basic inventive concept of the present invention is that the filtering module and the connector are independently arranged. The filtering module is fixedly connected to the mounting base, and the connector is no longer fixedly connected to the mounting base. The circuit input conductive bar and the circuit output conductive bar of the filtering module extend out of the module housing. The extended part of the circuit input conductive bar or the circuit output conductive bar extends into the connector housing, and the connector housing is directly fixedly connected to the circuit input conductive bar or the circuit output conductive bar. In this way, the circuit input conductive bar or the circuit output conductive bar not only serves as the mounting carrier of the connector to mount and carry the connector, realizing the fixed retention of the connector thereon, but also directly serves as the contact of the connector to connect with the contact of the mating connector. Thus, the assembly connection between the connector and the filtering module is more convenient.

[0033] Based on the above inventive concept, the embodiments of the present invention will be introduced in detail below.

[0034] Embodiment of the filtering connector assembly of the present invention:

[0035] As Figure 1 shown, the filtering connector assembly includes a filtering module 2 and a connector 3 that are independently arranged. When assembled and applied, the filtering connector assembly is fixedly installed on the mounting base 1, and the filtering module 2 and the connector 3 are respectively arranged on both sides of the mounting base 1. Specifically, the filtering module 2 is fixedly installed on the mounting base 1. The front conductive bar of the filtering module 2 passes through the mounting hole 1-2 on the mounting base 1 and extends out of the other side of the mounting base 1. The front conductive bar serves as the mounting carrier of the connector 3, and the connector 3 is fixedly connected to the front conductive bar. The front conductive bar also serves as the contact of the connector 3 to connect with the contact of the mating connector 3, thereby realizing the assembly connection between the connector 3 and the filtering module 2.

[0036] The structure of the connector 3 is as Figure 2 shown. The connector 3 includes a connector housing 3-1. A contact insertion cavity 3-2 is provided inside the connector housing 3-1 (see Figures 8 - 10 ). The front conductive bar of the filtering module 2 is inserted into the contact insertion cavity 3-2. A sealing ring 3-8 is provided on the front end face of the connector housing 3-1 (see Figures 8 - 10 ). When the connector 3 is assembled in place, the sealing ring 3-8 is pressed against the mounting base 1 to achieve the sealing fit between the connector housing 3-1 and the mounting base 1.

[0037] The structure of the filtering module 2 can be referred to Figures 3 - 7, the filtering module 2 includes a module housing 2-1 and a filtering circuit installed within the module housing 2-1. The module housing 2-1 is provided with a fixed connection structure for fixedly connecting to the mounting base 1. The fixed connection structure specifically includes three fixed platforms 2-2 arranged at intervals along the length direction of the module housing 2-1. Fastener mounting holes 4 are provided on the fixed platforms 2-2, and corresponding mounting platforms 1-1 are provided on the mounting base 1. Fastener mounting holes 4 are provided on the mounting platforms 1-1. The three fixed platforms 2-2 of the module housing 2-1 are fixedly connected to the mounting platforms 1-1 on the mounting base 1 through three groups of fasteners, thereby fixedly connecting the module housing 2-1 to the mounting base 1.

[0038] A filtering circuit is installed within the module housing 2-1. The filtering circuit is connected to a circuit input conductive bar 2-3 and a circuit output conductive bar 2-9. Both the circuit input conductive bar 2-3 and the circuit output conductive bar 2-9 are fixedly assembled with the module housing 2-1 and extend outside the module housing 2-1. The circuit input conductive bar 2-3 is located on the front side of the module housing 2-1 and is the front-end conductive bar; the circuit output conductive bar 2-9 is located on the rear side of the module housing 2-1 and is the rear-end conductive bar. The connector 3 is connected to the input end of the filtering module 2 to connect the circuit that needs to be filtered within the connector 3 to the filtering circuit of the filtering module 2 to achieve filtering. The filtered circuit is output from the output end of the filtering module 2. The circuit input conductive bar 2-3 has a connector bearing connection section 2-4 and a contact section 2-5 for extending into the connector housing 3-1. The contact section 2-5 is located in front of the connector bearing connection section 2-4. The connector bearing connection section 2-4 serves as the bearing connection part of the connector 3 for fixedly connecting the connector 3 and fixedly holding the connector 3 on the connector bearing connection section 2-4. The contact section 2-5 directly serves as the contact part of the connector 3 to connect with the contact part of the mating connector 3. The circuit input conductive bar 2-3 not only serves as the mounting carrier of the connector 3 to mount and carry the connector 3 to achieve the fixed holding of the connector 3 thereon, but also directly serves as the contact part of the connector 3 to connect with the contact part of the mating connector 3, enabling the direct connection between the filtering module 2 and the connector 3. The connection method is simpler and the assembly connection is more convenient. In addition, the circuit input conductive bar 2-3 can not only act as the contact part of the connector 3, but also replace the input port of the filter itself, equivalent to a copper bar, saving two components, namely the contact part of the connector 3 and the input port of the filter itself. Compared with the traditional connection method between the filtering module 2 and the connector 3, the structure is more simplified.

[0039] The copper bar shape of the front contact area (including the connector bearing connection section 2-4 and the contact section 2-5) of the circuit input conductive bar 2-3 can be designed as a pin or a jack or the copper bar at the other end of a double-headed hole according to the specific structure of the contact part of the connector 3 that it needs to act as, so as to connect with the contact part of the mating connector 3.

[0040] The connector carrier connection section 2-4 and the connector housing 3-1 are snap-connected through an elastic buckle 3-3, and are snap-connected to the connector housing 3-1 during the process of inserting the connector carrier connection section 2-4 into the connector housing 3-1. Specifically, a contact insertion cavity 3-2 is provided in the connector housing 3-1. The connector carrier connection section 2-4 and the contact section 2-5 are inserted into the contact insertion cavity 3-2. An elastic buckle 3-3 extending in the insertion direction is provided on the cavity wall of the contact insertion cavity 3-2, and a snap groove 2-6 cooperating with the elastic buckle 3-3 is provided on the connector carrier connection section 2-4. During the process of inserting the connector carrier connection section 2-4 and the contact section 2-5 into the connector housing 3-1, the elastic buckle 3-3 is elastically deformed under pressure, which can reduce the insertion assembly force, make the assembly more labor-saving, and avoid serious friction and scratches on the connector carrier connection section 2-4 and the contact section 2-5 during the assembly process, thereby affecting the circuit transmission. When the elastic buckle 3-3 aligns with the snap groove 2-6 on the connector carrier connection section 2-4, the elastic buckle 3-3 automatically rebounds and snaps into the snap groove 2-6, that is, the snap connection with the connector housing 3-1 is achieved; when the connector 3 needs to be removed, press the elastic buckle 3-3 to disengage the elastic buckle 3-3 from the snap groove 2-6, and pull the connector 3 backward to remove the connector 3. Both the disassembly and assembly operations are very convenient. Compared with the structure of setting the elastic buckle 3-3 on the circuit input conductive bar 2-3, in this embodiment, an elastic buckle 3-3 extending in the insertion direction is provided on the cavity wall of the contact insertion cavity 3-2 in the connector housing 3-1, and a snap groove 2-6 cooperating with the elastic buckle 3-3 is provided on the connector carrier connection section 2-4 of the circuit input conductive bar 2-3. First, it can make the processing more convenient. Second, it avoids the influence of setting the elastic buckle 3-3 on the circuit input conductive bar 2-3 on the circuit transmission quality. Third, when not assembled, the elastic buckle 3-3 is hidden inside the connector housing 3-1, and the elastic buckle 3-3 is not easily damaged by bumps. Of course, in other embodiments, an elastic buckle 3-3 extending backward, that is, in the direction opposite to the insertion direction, can also be provided on the connector carrier connection section 2-4 of the circuit input conductive bar 2-3, and a snap groove 2-6 or a snap mating surface cooperating with the elastic buckle 3-3 is provided on the cavity wall of the contact insertion cavity 3-2 in the connector housing 3-1. The elastic buckle 3-3 is snapped into the snap groove 2-6 or the snap mating surface to achieve the snap connection with the connector housing 3-1.

[0041] During the insertion process, it is necessary to limit the insertion depth of the connector bearing connection section 2-4 in the connector housing 3-1 to determine whether the insertion is in place, ensuring that when the insertion is in place, the connector housing 3-1 and the connector bearing connection section 2-4 are just snap-connected. Therefore, an in-place stop structure is also provided on the connector bearing connection section 2-4 for stop cooperation with the connector housing 3-1 in the insertion direction to determine whether the insertion is in place. Specifically, widened outer edges 2-7 are respectively provided on both side edges in the width direction of the connector bearing connection section 2-4. The front end face of the widened outer edge 2-7 is an inclined surface that slopes backward, and a forward stop step surface 2-8 is provided at the rear of the widened outer edge 2-7. This stop step surface 2-8 constitutes the in-place stop structure on the connector bearing connection section 2-4. Insert the connector bearing connection section 2-4 into the connector housing 3-1 until the stop step surface 2-8 on the connector bearing connection section 2-4 forms a stop cooperation with the connector housing 3-1. The connector bearing connection section 2-4 is stopped by the connector housing 3-1 and cannot be inserted further, which means the insertion is in place. At this time, the elastic buckle 3-3 just snaps into the snap groove 2-6 on the connector bearing connection section 2-4, and the connector housing 3-1 and the connector bearing connection section 2-4 are just snap-connected. By respectively providing widened outer edges 2-7 on both side edges in the width direction of the connector bearing connection section 2-4 and machining a forward stop step surface 2-8 on the widened outer edge 2-7 to form a stop cooperation with the connector housing 3-1, the overall width of the connector bearing connection section 2-4 can be increased, the structural strength of this section can be improved, making this section not easily deformed, and further improving the connection reliability between it and the connector housing 3-1 and the signal transmission reliability after connection.

[0042] After the insertion is in place, such as Figures 9 - 10As shown, an internal insulator 3-4 is installed inside the connector housing 3-1. Elastic buckles 3-3 are provided on the internal insulator 3-4. After the connector bearing connection section 2-4 of the circuit input conductive bus 2-3 is inserted, it contacts the internal insulator 3-4. The elastic buckles 3-3 are snapped into the clamping slots 2-6 on the connector bearing connection section 2-4. The elastic buckles 3-3 are arranged in pairs to ensure the reliability of the clamping connection and at the same time improve the centering of the circuit input conductive bus 2-3 in the contact insertion cavity 3-2, avoiding the inclination of the circuit input conductive bus 2-3 and affecting its connection with the contacts of the mating connector 3. The contact insertion cavity 3-2 has a guiding flared opening 3-5 for guiding the contact section 2-5 at the front end of the circuit input conductive bus 2-3 to enter. Specifically, the guiding flared opening 3-5 is formed by setting an inclined surface structure. It is inconvenient to observe the internal insertion situation during insertion. By setting the guiding flared opening 3-5, the contact section 2-5 at the front end of the circuit input conductive bus 2-3 can be guided to quickly enter the contact insertion cavity 3-2, realizing quick insertion, improving the insertion efficiency and insertion convenience. A ground shielding cylinder 3-6 is fixedly connected to the connector housing 3-1. A spring arm 3-7 is provided on the outer side surface of the ground shielding cylinder 3-6. After the insertion is in place, the front part of the connector housing 3-1 extends into the corresponding mounting hole 1-2 on the mounting base 1. The hole wall of the mounting hole 1-2 squeezes the spring arm 3-7 to cause the spring arm 3-7 to be deformed under pressure. The spring arm 3-7 is in elastic contact with the hole wall of the mounting hole 1-2, thereby making the connector housing 3-1 and the mounting base 1 equipotential and realizing the ground shielding of the connector housing 3-1. At the same time, the sealing ring 3-8 on the front end face of the connector housing 3-1 is pressed tightly on the mounting base 1 to achieve the sealing fit between the connector housing 3-1 and the mounting base 1.

[0043] Finally, it should be specifically noted that: in the above embodiments, only the circuit input busbar 2-3 of the filtering module 2 is extended into the connector housing 3-1, so that the circuit input busbar 2-3 serves as both the installation carrier of the connector 3 to install and carry the connector 3, realizing the fixed retention of the connector 3 thereon, and at the same time directly serves as the contact of the connector 3 to connect with the contact of the mating connector 3. That is, an embodiment of connecting the connector 3 that needs to be filtered with the input end of the filtering module 2 is provided. Of course, in specific applications, the output end of the filtering module 2 can also be connected to another connector 3 to connect the filtered circuit to another connector 3 for further transmission. At this time, the circuit output busbar 2-9 of the filtering module 2 can be extended into the connector housing 3-1. The circuit output busbar 2-9 has a connector bearing connection section 2-4 and a contact section 2-5 that directly serves as the contact of the connector 3, so that the circuit output busbar 2-9 serves as both the installation carrier of the connector 3 to install and carry the connector 3, realizing the fixed retention of the connector 3 thereon, and at the same time directly serves as the contact of the connector 3 to connect with the contact of the mating connector 3. The specific structure of the circuit output busbar 2-9 can be designed according to the actual situation.

[0044] In addition, the present invention is not limited to the embodiments described above.

[0045] For example, in another embodiment, the connector bearing connection section and the connector housing are connected by snap connection. A snap is provided on the cavity wall of the contact insertion cavity in the connector housing. The snap is a non-elastic snap, and it is a forced interference fit during insertion. A snap groove that cooperates with the snap is provided on the connector bearing connection section. During the process of inserting the connector bearing connection section into the connector housing, the connector bearing connection section and the snap are in a strong interference fit. Compared with the structure of the elastic snap, the insertion force is slightly larger. When the insertion is in place, the snap just snaps into the snap groove. Using this snap structure for snap connection can ensure a high connection reliability and is not prone to loosening after snap connection.

[0046] For example, in another embodiment, a convex portion protruding outward in the width direction can be provided on each of the two side edges of the connector bearing connection section in the width direction. The convex portion can be a small boss, so that the front end face of the connector housing and the convex portion are in a blocking fit in the insertion direction, so as to be just snap-connected through the elastic snap structure when the insertion is in place.

[0047] The present invention also provides an embodiment of a filtering module, and its specific structure is the same as that of the filtering module in the above embodiment of the filtering connector assembly, and will not be described in detail here.

[0048] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. The scope of patent protection of the present invention is subject to the claims. Any equivalent structural changes made by using the content of the specification and drawings of the present invention should, by the same token, be included in the protection scope of the present invention.

Claims

1. A filtering module, characterized in that, It includes a module housing (2-1) and a filter circuit installed inside the module housing (2-1). The module housing (2-1) is provided with a fixed connection structure for fixedly connecting to an installation base (1). The filter circuit is connected to a circuit input conductive busbar (2-3) and a circuit output conductive busbar (2-9) that are fixedly assembled with the module housing (2-1) and extend out of the module housing (2-1). At least one of the circuit input conductive busbar (2-3) and the circuit output conductive busbar (2-9) has a connector bearing connection section (2-4) for extending into a connector housing (3-1) to fixedly connect the connector housing (3-1) thereto, and a contact section (2-5) directly serving as a contact of the connector (3) to connect with a contact of a mating connector (3).

2. The filtering module according to claim 1, characterized in that, The connector bearing connection section (2-4) is provided with an elastic snap connection structure for cooperating with the connector housing (3-1) during the insertion process of the connector housing (3-1), so as to facilitate the disassembly and assembly with the connector housing (3-1).

3. The filtering module according to claim 2, characterized in that, The elastic snap connection structure is a snap groove (2-6) for cooperating with an elastic snap (3-3) inside the connector housing (3-1).

4. The filtering module according to claim 2 or 3, characterized in that, The connector bearing connection section (2-4) is provided with a positioning stop structure for stop cooperation with the connector housing (3-1) in the insertion direction to determine whether the insertion is in place.

5. The filtering module according to claim 4, wherein Both side edges in the width direction of the connector bearing connection section (2-4) respectively have widened outer edges (2-7). The widened outer edges (2-7) have forward stop step surfaces (2-8), and the stop step surfaces (2-8) constitute the positioning stop structure.

6. A filtering connector assembly, characterized in that, It includes an independently provided filter module (2) and a connector (3). The connector (3) includes a connector housing (3-1). The filter module (2) includes a module housing (2-1) and a filter circuit installed inside the module housing (2-1). The module housing (2-1) is provided with a fixed connection structure for fixedly connecting to an installation base (1). The filter circuit is connected to a circuit input conductive busbar (2-3) and a circuit output conductive busbar (2-9) that are fixedly assembled with the module housing (2-1) and extend out of the module housing (2-1). One of the circuit input conductive busbar (2-3) and the circuit output conductive busbar (2-9) has a connector bearing connection section (2-4) and a contact section (2-5) extending into the connector housing (3-1). The connector housing (3-1) is fixedly connected to the connector bearing connection section (2-4) to achieve fixed retention, and the contact section (2-5) directly serves as a contact of the connector (3) to connect with a contact of a mating connector (3).

7. The filtering connector assembly according to claim 6, characterized in that, The connector bearing connection section (2-4) is snap-connected to the connector housing (3-1) through an elastic snap (3-3), and is snap-connected to the connector housing (3-1) during the insertion process of the connector bearing connection section (2-4) into the connector housing (3-1).

8. The filtering connector assembly according to claim 7, wherein The connector housing (3-1) is provided with a contact insertion cavity (3-2). The connector bearing connection section (2-4) and the contact section (2-5) are inserted into the contact insertion cavity (3-2). Elastic buckles (3-3) extending along the insertion direction are provided on the cavity wall of the contact insertion cavity (3-2), and a clamping groove (2-6) cooperating with the elastic buckles (3-3) is provided on the connector bearing connection section (2-4).

9. The filtering connector assembly according to claim 7 or 8, wherein The connector housing (3-1) is in a blocking fit with the connector bearing connection section (2-4) in the insertion direction so as to be just clamped and connected when the insertion is in place.

10. The filtering connector assembly according to claim 9, wherein, Both side edges in the width direction of the connector bearing connection section (2-4) respectively have widened outer edges (2-7). The widened outer edges (2-7) have forward blocking step surfaces (2-8), and the connector housing (3-1) is in a blocking fit with the blocking step surfaces (2-8).

11. The filtering connector assembly according to claim 8, characterized in that, The contact insertion cavity (3-2) has a guiding flared opening (3-5) for guiding the contact section (2-5) to enter.

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