Filtering module and filtering connector assembly

Abstract

The invention relates to the technical field of connectors, in particular to a filtering module and a filtering connector assembly. The filtering module comprises a module shell and a filtering circuit installed in the module shell, the module shell is provided with a fixed connection structure used for being fixedly connected to an installation base body, and the filtering circuit is connected with a circuit input conducting bar and a circuit output conducting bar which are fixedly assembled with the module shell and extend out of the module shell. At least one of the circuit input conducting bar and the circuit output conducting bar is provided with a connector bearing connection section and a contact section, wherein the connector bearing connection section is used for extending into a connector shell so that the connector shell can be fixedly connected to the connector bearing connection section, and the contact section is directly used as a contact piece of the connector so as to be connected with a contact piece of an adaptive connector. The circuit input conducting bar or the circuit output conducting bar serves as an installation bearing body of the connector to install and bear the connector, the connector is fixedly kept on the installation bearing body, meanwhile, the circuit input conducting bar or the circuit output conducting bar directly serves as a contact piece of the connector to be connected with a contact piece of an adaptive connector, and assembling and connecting are more convenient.

Description

Technical Field

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

[0002] When the motor electronic control, DC, power supply, radar, communication, entertainment equipment, 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 the noise of the high-voltage circuit; 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 the 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 separable 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 structure of the filtering module requires the input port and the output port to be set on the metal shell, and circuit connectors matching the input port and the output port need to be set on the cable to realize 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 in the traditional connection between the filter module and the connector 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 fixedly connecting 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 matching 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: 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 for directly serving as a contact of the connector to connect with the contact of the mating connector.

[0007] 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.

[0008] Further, the elastic snap connection structure is a snap groove for cooperating with an elastic snap in the connector housing.

[0009] Further, an in-place 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.

[0010] 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 stop step surfaces, and the stop step surfaces constitute the in-place stop structure.

[0011] Beneficial effects: The filter 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 installation base through the fixed connection structure. A filter circuit is installed in the module housing, and 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. When assembling and connecting the filter module with the connector, directly insert the connector towards the filter module, so that the extended part of the circuit input conductive row or the circuit output conductive row of the filter module extends into the connector housing, thereby directly fixing and connecting the connector housing 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 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 installation base anymore, there is no need to specifically provide a fixed connection structure on the connector housing, and there is no need to specifically provide an installation structure for mating with the connector installation on the installation base. Directly inserting the connector towards the filter module completes the fixed assembly of the connector and the assembly connection between the connector and the filter module, and the assembly connection is more convenient.

[0012] The filter connector assembly of the present invention adopts the following technical solution: A filter connector assembly includes an independently provided filter module and a connector. The connector includes a connector housing. The 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 conductive row and a circuit output conductive row that are fixedly assembled with the module housing and extend outside the module housing. One of the circuit input conductive row and the circuit output conductive row 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.

[0013] Further, the connector carrier connecting section and the connector housing are connected by elastic buckles, and are snap-connected with the connector housing during the process of inserting the connector carrier connecting section into the connector housing.

[0014] Further, a contact insertion cavity is provided in the connector housing. The connector carrier connecting section and the contact section are inserted into the contact insertion cavity. Elastic buckles extending along the insertion direction are provided on the cavity wall of the contact insertion cavity, and snap grooves cooperating with the elastic buckles are provided on the connector carrier connecting section.

[0015] Further, the connector housing and the connector carrier connecting section are in a blocking fit in the insertion direction so as to be just snap-connected when the insertion is in place.

[0016] Further, widened outer edges are respectively provided on both side edges in the width direction of the connector carrier connecting section. The widened outer edges have forward blocking step surfaces, and the connector housing is in a blocking fit with the blocking step surfaces.

[0017] Further, the contact insertion cavity has a guiding flared opening for guiding the contact section to enter.

[0018] 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 busbar and a circuit output conductive busbar. The circuit input conductive busbar and the circuit output conductive busbar extend outside the module housing. The extending part of the circuit input conductive busbar or the circuit output conductive busbar extends into the connector housing. The connector housing is directly fixedly connected 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 installation carrier of the connector to install and carry the connector, realizing the fixed retention of the connector thereon, 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 no special fixed connection structure needs to be provided on the connector housing any more, nor does the installation base need to be provided with an installation structure for mating with the installation of the connector any more. 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

[0019] Figure 1 It is a schematic diagram of the filter module and the connector of the embodiment of the filter connector assembly of the present invention when they are not assembled and connected; Figure 2 It is a schematic diagram of the structure of the connector of the embodiment of the filter connector assembly of the present invention; Figure 3Schematic structural diagram of the filtering module in the embodiment of the filtering connector assembly of the present invention; Figure 4 Top view of the filtering module in the embodiment of the filtering connector assembly of the present invention; Figure 5 Front view of the filtering module in the embodiment of the filtering connector assembly of the present invention; Figure 6 Right view of the filtering module in the embodiment of the filtering connector assembly of the present invention; Figure 7 Left view of the filtering module in the embodiment of the filtering connector assembly of the present invention; 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 the embodiment of the filtering connector assembly of the present invention; Figure 9 Schematic diagram of the filtering module and the connector being assembled and connected in the embodiment of the filtering connector assembly of the present invention; Figure 10 For Figure 9 Enlarged schematic diagram of part A in 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 manners

[0020] The present invention is mainly used to solve the problem that the existing filter assembly and the connector are inconvenient to be assembled and connected. 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 installation base, and the connector is no longer fixedly connected to the installation base. The circuit input conductive row and the circuit output conductive row of the filtering module extend out of the module housing. The extended part of the circuit input conductive row or the circuit output conductive row extends into the connector housing, and the connector housing is directly fixedly connected to the circuit input conductive row or the circuit output conductive row, so that 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, realizing the fixed retention of the connector thereon, but also directly serves as the contact member of the connector to be connected with the contact member of the mating connector. In this way, the assembly connection between the connector and the filtering module is more convenient.

[0021] Based on the above inventive concept, the embodiments of the present invention will be introduced in detail below.

[0022] Embodiment of the filtering connector assembly of the present invention: As Figure 1 shown, the filtering connector assembly includes a filtering module 2 and a connector 3 which are independently arranged. During assembly and application, 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 row 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 row serves as the mounting carrier of the connector 3, and the connector 3 is fixedly connected to the front conductive row. The front conductive row also serves as the contact part of the connector 3 to connect with the contact part of the mating connector 3, thereby realizing the assembly connection between the connector 3 and the filtering module 2.

[0023] 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 row 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 tightly on the mounting base 1 to realize the sealing fit between the connector housing 3-1 and the mounting base 1.

[0024] 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 inside the module housing 2-1. The module housing 2-1 has a fixed connection structure for fixedly connecting to the mounting base 1. The fixed connection structure is specifically 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. Corresponding mounting platforms 1-1 are provided on the mounting base 1, and 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.

[0025] A filter circuit is installed inside the module housing 2-1. The filter 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 filter module 2 to connect the circuit that needs to be filtered in the connector 3 to the filter circuit of the filter module 2 to achieve filtering. The filtered circuit is output from the output end of the filter 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 on the front side 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 fixing and 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 installation carrier of the connector 3 to install and carry the connector 3, realizing 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, which can realize the direct connection between the filter module 2 and the connector 3, with a simpler connection method and more convenient assembly connection. 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, saving two components, namely the contact part of the connector 3 and the input port of the filter itself, which is equivalent to a copper bar. Compared with the traditional connection method between the filter module 2 and the connector 3, the structure is more simplified.

[0026] 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 the 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.

[0027] The connection section 2-4 of the connector carrier is connected to the connector housing 3-1 by elastic snap 3-3 in a snap-fit manner, and is snap-connected to the connector housing 3-1 during the insertion of the connection section 2-4 of the connector carrier into the connector housing 3-1. Specifically, a contact insertion cavity 3-2 is provided in the connector housing 3-1. The connection section 2-4 and the contact section 2-5 of the connector carrier are inserted into the contact insertion cavity 3-2. Elastic snaps 3-3 extending along the insertion direction are provided on the cavity wall of the contact insertion cavity 3-2, and snap grooves 2-6 cooperating with the elastic snaps 3-3 are provided on the connection section 2-4 of the connector carrier. During the insertion of the connection section 2-4 and the contact section 2-5 of the connector carrier into the connector housing 3-1, the elastic snaps 3-3 are elastically deformed under pressure, which can reduce the insertion assembly force, make the assembly more labor-saving, and avoid serious frictional scratches on the connection section 2-4 and the contact section 2-5 of the connector carrier during the assembly process, thereby affecting the circuit transmission. When the elastic snap 3-3 aligns with the snap groove 2-6 on the connection section 2-4 of the connector carrier, the elastic snap 3-3 automatically rebounds and snaps into the snap groove 2-6, thus achieving the snap connection with the connector housing 3-1. When the connector 3 needs to be removed, press the elastic snap 3-3 to disengage the elastic snap 3-3 from the snap groove 2-6, and then pull the connector 3 backward to remove the connector 3. Both the disassembly and assembly operations are very convenient. Compared with the structure in which the elastic snap 3-3 is provided on the circuit input conductive bar 2-3, in this embodiment, the elastic snaps 3-3 extending along the insertion direction are provided on the cavity wall of the contact insertion cavity 3-2 in the connector housing 3-1, and the snap grooves 2-6 cooperating with the elastic snaps 3-3 are provided on the connection section 2-4 of the connector carrier of the circuit input conductive bar 2-3. First, it can make the processing more convenient. Second, it avoids the influence of the elastic snap 3-3 provided on the circuit input conductive bar 2-3 on the circuit transmission quality. Third, when not assembled, the elastic snap 3-3 is hidden inside the connector housing 3-1, and the elastic snap 3-3 is not easily damaged by bumps. Of course, in other embodiments, elastic snaps 3-3 extending backward in the direction opposite to the insertion direction, i.e., backward, can also be provided on the connection section 2-4 of the connector carrier of the circuit input conductive bar 2-3, and snap grooves 2-6 or snap-fit surfaces cooperating with the elastic snaps 3-3 are provided on the cavity wall of the contact insertion cavity 3-2 in the connector housing 3-1. The elastic snap 3-3 is snapped into the snap groove 2-6 or the snap-fit surface to achieve the snap connection with the connector housing 3-1.

[0028] During the insertion process, it is necessary to limit the insertion depth of the connector bearing connection section 2-4 into the connector housing 3-1 to determine whether the insertion is in place, and ensure 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 thus the connection reliability between it and the connector housing 3-1 and the signal transmission reliability after connection can be improved.

[0029] 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 arranged 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 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 rapid insertion and improving the insertion efficiency and convenience. A grounding shield cylinder 3-6 is fixedly connected to the connector housing 3-1. Elastic arms 3-7 are arranged on the outer side surface of the grounding shield cylinder 3-6. After being inserted 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 presses the elastic arms 3-7 to cause the elastic arms 3-7 to be deformed under pressure. The elastic arms 3-7 are 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 grounding shield 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.

[0030] 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 to 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.

[0031] In addition, the present invention is not limited to the embodiments described above.

[0032] 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 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 for cooperating 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 relatively high connection reliability and it is not easy to become loose after snap connection.

[0033] For example, in another embodiment, a convex portion protruding outward in the width direction can be respectively provided on both side edges in the width direction of the connector bearing connection section. The convex portion can be a small boss, so that the front end surface of the connector housing and the convex portion are in a blocking fit in the insertion direction, so as to be just snap-connected by the elastic snap structure when the insertion is in place.

[0034] 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 elaborated here.

[0035] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. The patent protection scope 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 similarly be included within the protection scope of the present invention.

Claims

1. A filtering module, characterized in that: The invention comprises a module housing (2-1) and a filter circuit installed in the module housing (2-1); the module housing (2-1) has a fixed connection structure for fixedly connecting to a mounting base (1); the filter circuit is connected to a circuit input conductive bar (2-3) and a circuit output conductive bar (2-9) fixedly assembled with the module housing (2-1) and extending out of the module housing (2-1); at least one of the circuit input conductive bar (2-3) and the circuit output conductive bar (2-9) has a connector bearing connection section (2-4) for extending into a connector housing (3-1) so that the connector housing (3-1) is fixedly connected thereto, and a contact section (2-5) directly serving as a contact piece of the connector (3) for connecting to a contact piece of an adapter connector (3).

2. The filter 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 process of inserting the connector housing (3-1) to facilitate assembly and disassembly with the connector housing (3-1).

3. The filter module according to claim 2, characterized in that: The elastic buckle connection structure is a buckle notch (2-6) used to cooperate with an elastic buckle (3-3) in a connector housing (3-1).

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

5. The filter module according to claim 4, characterized in that: The two side edges of the connector bearing connection section (2-4) in the width direction respectively have widened outer edges (2-7), the widened outer edges (2-7) have forward-facing stop step surfaces (2-8), and the stop step surfaces (2-8) constitute the in-place stop structure.

6. A filter connector assembly, characterized in that: The invention comprises an independently arranged filter module (2) and a connector (3), wherein the connector (3) comprises a connector housing (3-1), the filter module (2) comprises a module housing (2-1) and a filter circuit installed in the module housing (2-1), the module housing (2-1) having a fixed connection structure for fixedly connecting to a mounting base (1), the filter circuit being connected to a circuit input conductive bar (2-3) and a circuit output conductive bar (2-9) fixedly assembled with the module housing (2-1) and extending out of the module housing (2-1), one of the circuit input conductive bar (2-3) and the circuit output conductive bar (2-9) having 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) being fixedly connected to the connector bearing connection section (2-4) to achieve fixed retention, and the contact section (2-5) directly serving as a contact piece of the connector (3) to be connected to a contact piece of an adapting connector (3).

7. The filter connector assembly according to claim 6, characterized in that: The connector load-bearing connection section (2-4) and the connector housing (3-1) are snap-connected via an elastic snap buckle (3-3), and the connector load-bearing connection section (2-4) is snap-connected with the connector housing (3-1) during the process of inserting the connector load-bearing connection section (2-4) into the connector housing (3-1).

8. The filter connector assembly according to claim 7, characterized in that: A contact piece insertion cavity (3-2) is provided in the connector housing (3-1); a connector bearing connection section (2-4) and a contact section (2-5) are inserted into the contact piece insertion cavity (3-2); a cavity wall of the contact piece insertion cavity (3-2) is provided with an elastic buckle (3-3) cantilevered along the insertion direction; and a clamping notch (2-6) cooperating with the elastic buckle (3-3) is provided on the connector bearing connection section (2-4).

9. The filter connector assembly according to claim 7 or 8, characterized in that: The connector housing (3-1) and the connector bearing connection section (2-4) are stop-matched in the insertion direction so as to achieve a snap-in connection when they are inserted into place.

10. The filter connector assembly according to claim 9, characterized in that: The two side edges of the connector bearing connection section (2-4) in the width direction respectively have widened outer edges (2-7), the widened outer edges (2-7) have forward-facing stop step surfaces (2-8), and the connector housing (3-1) is stop-matched with the stop step surfaces (2-8).

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

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