CN112366483A

CN112366483A - D-type filtering connector

Info

Publication number: CN112366483A
Application number: CN202011093962.8A
Authority: CN
Inventors: 祝典; 薛泽豹; 王新亮; 孟涵; 孟祥胜
Original assignee: Beijing Institute of Computer Technology and Applications
Current assignee: Beijing Institute of Computer Technology and Applications
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-02-12

Abstract

The embodiment of the specification discloses a D type filtering connector, including: the device comprises a metal shell at the end of a welding cup, a circuit board, a chip capacitor and a plurality of contact pins; the chip capacitor and the contact pin are welded on the circuit board, and the edge of the circuit board is welded on the inner wall of the metal shell at the end of the welding cup; the contact pin forms a C-shaped filter circuit, and the metal shell at the end of the welding cup is longer than the shell of the universal connector. The D-type filtering connector provided by the embodiment of the specification is used for improving the filtering and shielding performance of the connector.

Description

D-type filtering connector

Technical Field

The application relates to the technical field of connectors, in particular to a D-type filtering connector.

Background

The D-type filtering connector can replace a common connector for use, and the anti-interference capacity of the equipment can be improved. Traditional D type connector is the same with general type connector appearance, convenient grafting, but receives the influence of space restriction, and C type circuit is more, consequently, filtering and shielding performance are not good, hardly satisfies the requirement. Therefore, it is necessary to design and produce a filter connector which is easy to manufacture and has excellent filtering and shielding effects.

Disclosure of Invention

In view of this, the embodiments of the present application provide a D-type filter connector for improving the filtering and shielding performance of the connector.

In order to solve the above technical problem, the embodiments of the present specification are implemented as follows:

an embodiment of this specification provides a D-type filter connector, including: the device comprises a metal shell at the end of a welding cup, a circuit board, a chip capacitor and a plurality of contact pins; the chip capacitor and the contact pin are welded on the circuit board, and the edge of the circuit board is welded on the inner wall of the metal shell at the end of the welding cup; the contact pin forms a C-shaped filter circuit, and the metal shell at the end of the welding cup is longer than the shell of the universal connector.

Optionally, the connector further includes: a connector universal insulator; the middle part of the contact pin is of a thickened structure, one end of the thickened structure is inserted into the connector general insulator for positioning, and the other end of the thickened structure supports the circuit board and the connector general insulator.

Optionally, magnetic beads may be installed inside the thickening structure of the contact pin to form an LC filter circuit.

Optionally, the connector further includes: and the lead end sealing material is used for fixing the contact pin.

Optionally, the depth of the lead end sealing material is greater than 3 mm.

Optionally, the universal connector insulator is a universal D-type connector insulator.

Optionally, the connector further includes: the universal connector shell is a universal D-type connector shell.

Optionally, the parameters of the patch capacitor may be adjusted.

Optionally, the parameters of the magnetic beads may be adjusted.

Optionally, the length of the metal shell at the end of the welding cup is 10.5 mm.

The embodiment of the specification adopts at least one technical scheme which can achieve the following beneficial effects:

1. the specially-made metal shell effectively increases the shielding length and improves the shielding performance.

2. Magnetic beads can be added in the metal shell at the end of the welding cup to form an LC filter circuit, so that the filter has a good filtering effect at high frequency;

3. the thicker sealing layer improves the protection of welding points and can effectively resist welding heat;

4. a specially-made pin device is adopted, and a thickened section is arranged in the middle of the pin device to play a role in protecting the device;

5. the metal shell at the end of the welding cup and the contact pin can be manufactured by a common metal processing technology, so that the welding cup is convenient to manufacture and has the advantage of batch production.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram (partially in cross section) of a D-type filter connector provided in an embodiment of the present disclosure;

fig. 2 is a three-view (front view, top view and left view) of a weld cup end metal shell provided by an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram (partially cut away) of a pin provided in an embodiment of the present disclosure;

fig. 4 is a cross-sectional view of a thickening mechanism for a pin provided in an embodiment of the present disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram (partially in cross section) of a D-type filter connector provided in an embodiment of the present disclosure. As shown in fig. 1, the D-type filter connector includes: the device comprises a soldering cup end metal shell 1, a circuit board 2, a chip capacitor 3, a universal connector insulator 4, a lead end sealing material 5, a magnetic bead 6, a contact pin 7 and a universal connector shell 8. Wherein, the number of the pins 7 is multiple. The welding cup end metal shell 1 and the connector universal shell 8 are riveted together for use, wherein the welding cup end metal shell 1 is positioned at the upper end, and the connector universal shell 8 is positioned at the lower end.

The chip capacitor 3 and the contact pins 7 are welded on the circuit board 2, the edge of the circuit board 2 is welded on the inner wall of the shell of the metal shell 1 at the end of the welding cup, each contact pin 7 forms a C-shaped filter circuit, and the magnetic beads 6 can be arranged on the contact pins to enhance the filtering effect.

The universal insulator 4 of the connector plays a role of fixing support and insulation.

Lead wire end seals material 5 and fixes and insulate device and solder joint, and the protection solder joint improves the ability lead wire end seals material 5's of resistant welding heat degree of depth >3mm, uses the connector to weld when cup end carries out welding operation, can seal the inside solder joint position admittedly, prevents that the inside solder joint of casing from melting and spilling over.

Fig. 2 is a three-view (front view, top view, and left view) of a weld cup end metal shell provided in an embodiment of the present disclosure. As shown in fig. 2, the metal shell 1 at the end of the soldering cup is a special device. The solder cup end metal shell 1 is longer than the general purpose connector shell, wherein the general purpose connector shell is typically 4.5mm in length, and the solder cup end metal shell 1 is 10.5mm in length. The shielding box is suitable for most of the cabinet panels, and provides good shielding efficiency when installed through the panels.

Fig. 3 is a schematic structural diagram (partially cut away) of a pin provided in an embodiment of the present disclosure; fig. 4 is a cross-sectional view of a thickening mechanism for a pin provided in an embodiment of the present disclosure. As shown in fig. 3 and 4, the contact pin 7 is a special device, and has a thickened portion in the middle, one end of the thickened portion is inserted into the universal insulator 4 of the connector for positioning, and the other end supports the lower surface of the circuit board 2 to play a role in fixing the rigid connection, providing enough space for the chip capacitor 3 on the circuit board 2, and playing a role in protecting the capacitor.

The universal insulator 4 of the connector is a universal insulator of a D-type connector, and the universal shell 8 of the connector is a universal shell of the D-type connector, and is compatible with a conventional D-type connector and convenient to plug.

By changing the parameters of the patch capacitor 3 and the magnetic bead 6, such as capacitance, inductance parameter and the like, circuits with different parameters can be manufactured, and the appropriate circuit parameters can be adjusted conveniently to pass relevant electromagnetic compatibility tests.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a device comprising a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A D-filter connector, the connector comprising: the device comprises a metal shell at the end of a welding cup, a circuit board, a chip capacitor and a plurality of contact pins; the chip capacitor and the contact pin are welded on the circuit board, and the edge of the circuit board is welded on the inner wall of the metal shell at the end of the welding cup; the contact pin forms a C-shaped filter circuit, and the metal shell at the end of the welding cup is longer than the shell of the universal connector.

2. The D-filter connector of claim 1, wherein the connector further comprises: a connector universal insulator; the middle part of the contact pin is of a thickened structure, one end of the thickened structure is inserted into the connector general insulator for positioning, and the other end of the thickened structure supports the circuit board and the connector general insulator.

3. The type D filter connector of claim 2, wherein beads are mounted inside the thickening of the pin to form an LC filter circuit.

4. The D-filter connector of claim 1, wherein the connector further comprises: and the lead end sealing material is used for fixing the contact pin.

5. The type D filter connector of claim 1, wherein the lead end seal material has a depth greater than 3 mm.

6. The D-filter connector according to claim 2, wherein the connector-generic insulator is a D-connector-generic insulator.

7. The D-filter connector of claim 1, wherein the connector further comprises: the universal connector shell is a universal D-type connector shell.

8. The D-filter connector of claim 1, wherein the parameters of the patch capacitances are adjustable.

9. A D-type filter connector as claimed in claim 3, wherein the magnetic beads are adjustable in parameters.

10. The type D filter connector of claim 3, wherein the length of the solder cup end metal shell is 10.5 mm.