Low-frequency connector floating structure with electromagnetic shielding function
By designing a floating structure with electromagnetic shielding function in the low-frequency connector, the insulator unit gap and conductive gasket are used to solve the problem of signal leakage and internal conductor squirting, achieving the reliability of signal connection and anti-electromagnetic interference effect.
Patent Information
- Application Number
- CN202323617857.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2033-12-28
AI Technical Summary
During use, existing system modules are prone to signal leakage and internal conductor squirming, resulting in signal connection failure, especially when the distance between the plates is too large, which affects the normal operation of the electrical appliances.
A low-frequency connector floating structure with electromagnetic shielding function is designed, including a housing, an insulator unit, an inner conductor, a floating probe, a wool button and a conductive sealing gasket. The inner conductor is arranged through the gap between the insulator unit and at both ends of the inner conductor. Floating probe and hair buttons, combined with conductive gaskets for floating and signal isolation.
It effectively prevents signal leakage and static accumulation, ensures the reliability and safety of signal connections, is suitable for harsh environments, realizes blind matching and floating connection between boards, is anti-electromagnetic interference, and is convenient and reliable in operation.
Smart Images
Figure CN222233932U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electromagnetic shielding of whole machine system modules and relates to a low-frequency connector floating structure with electromagnetic shielding function. Background Art
[0002] Nowadays, the demand for connectors in the fields of aviation, aerospace, weapons, radar and other communications has increased dramatically, and the requirements are getting higher and higher. Products must not only meet the basic reliable interconnection of electrical circuits, but also meet other requirements. Such as: high density, lightweight, miniaturization, elastic floating, electromagnetic shielding, easy disassembly, reliable interconnection, and tolerance to harsh use environments such as strong vibration and impact. During the use of existing whole system modules, signal leakage is prone to occur, which will interfere with the normal use of electronic equipment. At the same time, when the connector is working, the internal conductor moves when the upper and lower ends float, resulting in signal connection failure, and sometimes the floating phenomenon cannot occur due to the large distance between the boards, which seriously affects the normal operation of the electrical appliances and brings a lot of trouble. Utility Model Content
[0003] In order to overcome the shortcomings of the above-mentioned prior art, the purpose of the utility model is to provide a low-frequency connector floating structure with electromagnetic shielding function, which is used to solve the problems of the whole system module being prone to signal leakage causing interference to electronic equipment, signal connection failure, and the inability to float due to excessive distance between boards.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] The utility model discloses a floating structure of a low-frequency connector with an electromagnetic shielding function, comprising an outer shell, a plurality of insulator units, an inner conductor, a floating probe, a wool button, and a conductive sealing pad; the plurality of insulator units are sequentially bonded and fixed inside a side edge of the outer shell, and gaps exist between the plurality of insulator units; the inner conductor is sequentially arranged in the gaps between the plurality of insulator units, and is bonded and fixed to the insulator units; the floating probe is arranged at both ends of the inner conductor; the wool button is arranged at both ends of the inner conductor to realize the floating of the floating probe and the inner conductor; and conductive sealing pads are arranged around the floating probes at both ends of the inner conductor that contact the outer shell.
[0006] Furthermore, the insulator unit includes a plurality of insulators interconnected head to tail; the insulator unit formed by the plurality of insulators interconnected head to tail is parallel to the inner conductor.
[0007] Furthermore, the number of the insulators is five.
[0008] Furthermore, the insulator unit includes a first insulator, a second insulator, a third insulator, a fourth insulator and a fifth insulator; the first insulator, the second insulator, the third insulator, the fourth insulator and the fifth insulator are interconnected in sequence.
[0009] Furthermore, the first insulator is close to the top of the shell, and the fifth insulator is close to the bottom of the shell.
[0010] Furthermore, guide columns are provided at both ends of the shell.
[0011] Furthermore, guide pins are provided at both ends of the guide column.
[0012] Furthermore, the shell and the plurality of insulator units are bonded and fixed by potting glue.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The utility model discloses a low-frequency connector floating structure with electromagnetic shielding function, which adopts an integrated structure as a whole, and solves the problem of signal connection failure caused by the movement of the inner conductor when the upper and lower ends of the connector float by setting the inner conductor and the insulator unit to be bonded and fixed; the inner conductor and the floating probes at the upper and lower ends are made to float by the fur buttons at the upper and lower ends, and are reliably interconnected with the printed circuit board; a circle of conductive sealing pads is set around the floating probes at the upper and lower ends of the connector to isolate external signal interference, effectively prevent current leakage and static electricity accumulation, protect the safe operation of the equipment, improve the product's tolerance to harsh environments, and ensure reliable connection of electrical circuits. The product can realize functions such as blind matching between boards, floating connection, and anti-electromagnetic interference, and is easy and reliable to operate.
[0015] Furthermore, the internal channels are interconnected by a number of insulators, which can realize the simultaneous transmission of multi-channel signals, make the connection convenient and reliable, and reduce the difficulty of parts processing.
[0016] Furthermore, the two ends of the connector are guided and straightened by guide columns to avoid misaligned contact between the elastic probe and the contact area of the PCB board. The floating structure effectively solves the problem of the distance between the boards being too large to float. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a front view of the floating structure of the low-frequency connector with electromagnetic shielding function of the utility model;
[0018] Figure 2 It is a left view of the floating structure of the low-frequency connector with electromagnetic shielding function of the utility model;
[0019] Figure 3 This is a schematic diagram of the installation of the floating structure of the low-frequency connector with electromagnetic shielding function of the utility model;
[0020] Among them: 1-housing; 2-first insulator; 3-second insulator; 4-third insulator; 5-fourth insulator; 6-fifth insulator; 7-inner conductor; 8-floating probe; 9-wool button; 10-conductive sealing pad; 11-guide pin; A-PCB board 1; B-mounting board; C-connector; D-PCB board 2. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0023] The utility model discloses a floating structure of a low-frequency connector with an electromagnetic shielding function, comprising a shell 1, a plurality of insulator units, an inner conductor 7, a floating probe 8, a wool button 9, and a conductive sealing pad 10; wherein the insulator unit comprises a plurality of insulators interconnected head to tail; the plurality of insulator units are sequentially bonded and fixed inside the side of the shell 1, and there are gaps between the plurality of insulator units; the inner conductor 7 is sequentially arranged in the gaps between the plurality of insulator units, and is bonded and fixed to the insulator units; the floating probe 8 is arranged at both ends of the inner conductor 7; the wool button 9 is arranged at both ends of the inner conductor 7 to realize the floating of the floating probe 8 and the inner conductor 7; and conductive sealing pads 10 are arranged around the floating probes 8 at both ends of the inner conductor 7 in contact with the shell 1.
[0024] Among them, the insulator unit includes a first insulator 2, a second insulator 3, a third insulator 4, a fourth insulator 5, a fifth insulator 6 and a sixth insulator 7; the first insulator 2, the second insulator 3, the third insulator 4, the fourth insulator 5 and the fifth insulator 6 are interconnected in sequence; the first insulator 2 is close to the top of the shell 1, and the fifth insulator 6 is close to the bottom of the shell 1.
[0025] Wherein, guide columns are arranged at both ends of the housing 1 , and guide pins 11 are arranged at both ends of the guide columns.
[0026] The utility model is further described in detail below with reference to the accompanying drawings:
[0027] like Figure 1 and Figure 2 As shown, the utility model discloses a floating structure of a low-frequency connector with an electromagnetic shielding function, which is suitable for interconnection between printed circuit boards, can realize simultaneous transmission of multi-channel signals, has convenient and reliable connection, adopts an integrated structure, and the internal channel adopts a first insulator 2, a second insulator 3, a third insulator 4, a fourth insulator 5 and a fifth insulator 6 to form an insulator unit, which reduces the difficulty of parts processing, and the shell 1 and the insulator unit are reliably fixed by bonding by side potting glue; the inner conductor 7 is bonded and fixed to the insulator unit, which solves the problem of the inner conductor 7 moving when the upper and lower ends of the connector float, resulting in signal connection failure Problem; The inner conductor 7 and the floating probes 8 at both ends are floated by the wool buttons 9 at the upper and lower ends, and are reliably connected to the printed circuit board; the two ends of the connector are guided and straightened by the guide columns and the guide holes of the PCB board to avoid the elastic probes from contacting the contact area of the PCB board. This floating structure effectively solves the problem that the distance between the boards is too large and cannot float; a circle of conductive sealing pads 10 are set around the floating probes 8 at the upper and lower ends of the connector to isolate external signal interference, effectively prevent current leakage and static electricity accumulation, protect the safe operation of the equipment, improve the product's tolerance to harsh environments, and ensure reliable connection of electrical circuits. This product can realize blind matching between boards, floating connection, anti-electromagnetic interference and other functions, and is easy and reliable to operate.
[0028] This structure is suitable for all products and application scenarios that require floating connection. The specific installation process is as follows: Figure 3As shown, when assembling the product, the connector C is passed through the mounting hole of the mounting plate B, and the PCB board 2-D is guided and positioned by the guide hole and the guide column at the lower end of the connector C to ensure that the floating probe 8 is aligned with the contact area of the printed circuit board. When the positive pressure floating probe 8 is locked and interconnected between the PCB board 2-D and the mounting plate B, the floating probe 8 is elastically and reliably connected to the PCB board 2-D through the wool button 9, and the conductive sealing gasket 10 is pressurized to isolate external signal interference; when the assembled module is assembled with the PCB board 1-A, the upper end guide column of the connector C and the guide hole of the PCB board 1-A are used to guide and position the module, to ensure that the floating probe 8 is aligned with the contact area of the PCB board 1-A. When the positive pressure floating probe 8 is locked and interconnected between the PCB board 1-A and the mounting plate B, the floating probe 8 is elastically and reliably connected to the printed circuit board through the wool button 9, and the conductive sealing gasket 10 is pressurized to isolate external signal interference. The assembly and disassembly are convenient and reliable, and the operability is high.
[0029] The above content is only for explaining the technical idea of the utility model and cannot be used to limit the protection scope of the utility model. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the utility model shall fall within the protection scope of the claims of the utility model.
Claims
1. A low-frequency connector floating structure with electromagnetic shielding function, characterized in that: The invention comprises an outer shell (1), a plurality of insulator units, an inner conductor (7), a floating probe (8), a wool button (9), and a conductive sealing pad (10); the plurality of insulator units are sequentially bonded and fixed inside the side of the outer shell (1), and gaps exist between the plurality of insulator units; the inner conductor (7) is sequentially arranged in the gaps between the plurality of insulator units and bonded and fixed to the insulator units; the floating probe (8) is arranged at both ends of the inner conductor (7); the wool button (9) is arranged at both ends of the inner conductor (7) to achieve floating of the floating probe (8) and the inner conductor (7); and a conductive sealing pad (10) is arranged around the contact between the floating probe (8) at both ends of the inner conductor (7) and the outer shell (1).
2. The low-frequency connector floating structure with electromagnetic shielding function according to claim 1, characterized in that: The insulator unit comprises a plurality of insulators interconnected head-to-tail; the insulator unit formed by the plurality of insulators interconnected head-to-tail and the inner conductor (7) are parallel to each other.
3. The low-frequency connector floating structure with electromagnetic shielding function according to claim 2, characterized in that: The number of the insulators is five.
4. The low-frequency connector floating structure with electromagnetic shielding function according to claim 3, characterized in that: The insulator unit comprises a first insulator (2), a second insulator (3), a third insulator (4), a fourth insulator (5) and a fifth insulator (6); the first insulator (2), the second insulator (3), the third insulator (4), the fourth insulator (5) and the fifth insulator (6) are interconnected in sequence.
5. The low-frequency connector floating structure with electromagnetic shielding function according to claim 4, characterized in that: The first insulator (2) is close to the top of the housing (1), and the fifth insulator (6) is close to the bottom of the housing (1).
6. The low-frequency connector floating structure with electromagnetic shielding function according to claim 1, characterized in that: Guide columns are provided at both ends of the housing (1).
7. A low-frequency connector floating structure with electromagnetic shielding function according to claim 6, characterized in that: Guide pins (11) are provided at both ends of the guide column.
8. The low-frequency connector floating structure with electromagnetic shielding function according to claim 1, characterized in that: The housing (1) and the plurality of insulator units are bonded and fixed by means of potting glue.