CN2899174Y

CN2899174Y - Filter connector

Info

Publication number: CN2899174Y
Application number: CN 200620033850
Authority: CN
Inventors: 肖雨来
Original assignee: Xinxinshenfeng Electronics Science And Technology Co Ltd Chengdu
Current assignee: Xinxinshenfeng Electronics Science And Technology Co Ltd Chengdu
Priority date: 2006-04-17
Filing date: 2006-04-17
Publication date: 2007-05-09
Anticipated expiration: 2016-04-17

Abstract

The utility model discloses a filter connector, comprising a cover (1). A plurality of pins (2) are arranged in the cover (1), theses pins (2) first pass through a decorative cover (3) in the cover (1) and then pass through a plastic core (4); a porcelain capacitor (5) is provided at the back of the plastic core (4) in the cover (1); wires connected to the pins (2) in the cover first pass through the porcelain capacitor (5) and then extrudes out of the cover (1); filling material (9) are filled between the porcelain capacitor (5) and the cover (1). The utility model thoroughly solves the problem of electromagnetic leakage of small electric connector, and satisfies the electromagnetic compatibility and environment adaptability. Meanwhile, the utility model has the advantages of small size, light weight, convenient installation and is suitable for all kinds of wireless electrical device and electronic instrument.

Description

Filter connector

Technical field

The utility model relates to connector, especially relates to a kind of filter connector.

Background technology

At present, J30J series connector is miniature rectangular connector, at miniaturization, low current with have in the system of weight limits and use extensively.J30J series connector is the same on electromagnetic interference with the standard D connector, come out interference signal in the capital from every pin radiation and conduction, cause the failure (as shown in Figure 1) of Electro Magnetic Compatibility, the frequency band that exceeds standard is inconsistent to some extent according to the difference of system, generally at 3～100MHz.Generally solve the emc issue of J30J series connector with filtering method.Filtering is exactly that exit exposed before the cabinet outside interference signal is switched to ground.Concrete method adds feed-through filter exactly on cabinet, the feed-through filter filtering interference signal, interference signal just can not be radiated outside the equipment by J30J series connector, thereby reaches the purpose (as shown in Figure 2) of Electro Magnetic Compatibility.Each lead-in wire of J30J series connector among the figure adds a feed-through filter, the capacity requirement of filter is more than 0.01 μ F, a connector needs a plurality of feed-through filters, and not only J30J series connector perhaps in system, so just need more feed-through filter to form array, will take bigger space.Be not easy to guarantee the electric continuity of electromagnetic shielding needs in this case, cause electromagnetic compatibility defective easily.In addition, the multiple welding of lead-in wire has increased the unreliability of data wire, breaks down easily during transfer of data, causes loss of data, and functions of the equipments were lost efficacy.

Summary of the invention

The purpose of this utility model provides a kind of Electro Magnetic Compatibility, environmental suitability that not only satisfies equipment, and the little filter connector of volume.

In order to achieve the above object, the utility model adopts following technical scheme: a kind of filter connector, comprise the shell that has ring flange, several contact pins are housed in the enclosure, this contact pin successively passes trim and the plastic core in the shell, Leaded Ceramic Disc Capacitor is equipped with at plastic core rear in the enclosure, stretches out outside the shell after the lead that is connected with contact pin in the shell passes Leaded Ceramic Disc Capacitor, is perfused with inserts between Leaded Ceramic Disc Capacitor and shell.Described shell is installed on the cabinet, is provided with conductive gasket between the ring flange of shell and the cabinet.

The utility model is equipped with Leaded Ceramic Disc Capacitor in the enclosure, has avoided the electromagnetic leakage of connector like this, satisfies the Electro Magnetic Compatibility of equipment, and has reduced volume, and it is as a whole that filtering and connector are melted.Between Leaded Ceramic Disc Capacitor and shell, be perfused with inserts, make whole connector be sealed to an integral body, satisfy facility environment adaptability.The utility model has thoroughly solved the electromagnetic leakage problem of filter connector, satisfies Electro Magnetic Compatibility, the environmental suitability of equipment.

Advantage of the present utility model: this connector has not only solved emc issue, and volume is little, in light weight, easy for installation.

Description of drawings

Fig. 1 is the structural representation of traditional connector electromagnetic interference;

Fig. 2 is that traditional connector adopts filtering to realize the structural representation of Electro Magnetic Compatibility;

Fig. 3 is a structural representation of the present utility model;

Fig. 4 is a mounting structure intention of the present utility model;

Filtering principle figure of the present utility model during Fig. 5.

In Fig. 1,11 is cabinet, and 12 is D shape connector, and 13 is lead, and 14 is radiated interference, and 15 are the radiation coupling.In Fig. 2,16 is cabinet, and 17 is connector, and 18 is feed-through filter.Among Fig. 4,19 is the utility model filter connector.Among Fig. 5 10 is tubular type electric capacity.

Embodiment

The structure of a kind of filter connector of the utility model as shown in Figure 3, Figure 4, mainly constitute by the shell 1 that has ring flange, contact pin 2, trim 3 and plastic core 4, Leaded Ceramic Disc Capacitor 5, lead 6, inserts 9, several contact pins 2 wherein are housed in shell 1, trim 3 and plastic core 4 that this contact pin 2 successively passes in the shell 1, Leaded Ceramic Disc Capacitor 5 is equipped with at plastic core 4 rears in shell 1, the lead 6 that is connected with contact pin in the shell 2 stretches out outside the shell 1 after passing Leaded Ceramic Disc Capacitor 5, is perfused with inserts 9 between Leaded Ceramic Disc Capacitor 5 and shell 1.When mounted, shell 1 is installed on the cabinet 7, is provided with conductive gasket 8 between the ring flange of shell 1 and the cabinet 7, thereby has realized electromagnetic sealing, and conductive gasket 8 can adopt silvered glass ball or silver coated aluminum material, and inserts 9 can adopt resinous material.Among Fig. 3, because Leaded Ceramic Disc Capacitor 5 is installed in the shell 1, filter connector volume volume when not adding filtering is the same, adds a conductive gasket 8 between filter connector and the cabinet panel, thereby has realized electromagnetic sealing.Filtering principle of the present utility model as shown in Figure 5.The filter effect of any leaded capacitor all can be subjected to the restriction of lead-in inductance.When UHF or higher frequency range will obtain better filter effect, when particularly the guard shield body is not penetrated, must use core-through capacitor, the own lead formation of tubular type electric capacity and device core-through capacitor among Fig. 5.Use metal ground plate and shell and panel to constitute capacitor grounding.Because earth-current is dispersed in around the center conductor in 360 ° the scope, does not therefore in fact have inductance, electric capacity can keep good performance in surpassing the frequency range of GHz.Each root lead-in wire of the utility model filter connector has all passed through Filtering Processing, can not produce electromagnetic leakage, satisfies Electro Magnetic Compatibility.

Claims

1, a kind of filter connector, comprise shell (1), several contact pins (2) are housed in shell (1), this contact pin (2) successively passes trim (3) and the plastic core (4) in the shell (1), it is characterized in that: Leaded Ceramic Disc Capacitor (5) is equipped with at plastic core (4) rear in shell (1), the lead (6) that is connected with contact pin in the shell (2) stretches out outside the shell (1) after passing Leaded Ceramic Disc Capacitor (5), is perfused with inserts (9) between Leaded Ceramic Disc Capacitor (5) and shell (1).

2, filter connector according to claim 1 is characterized in that: this shell (1) is installed on the cabinet (7), is provided with conductive gasket (8) between the ring flange of shell (1) and the cabinet (7).