CN207250868U - A kind of communication interface arrangement of filter function - Google Patents

Abstract

The utility model discloses a communication interface device with a filtering function, which comprises a device body. The middle part of the front end of the device body is provided with a communication interface extending toward the inside of the device body, and the device body is provided with an accommodation cavity. , a filter circuit is provided in the cavity, the filter circuit includes a common mode inductor L1 and a common mode inductor L2, the input ends of the common mode inductor L1 and the common mode inductor L2 are connected to the input line, the Both the output ends of the common mode inductor L1 and the common mode inductor L2 are connected to the communication interface. The beneficial effect of the utility model: by using the filter circuit, the mutual interference between the input signal and the output signal can be reduced, thereby improving the anti-interference performance; the socket of the utility model not only has the advantage of simple structure, but also can be used for inserting network cables, data lines etc.

Description

A communication interface device with filtering function

technical field

The utility model relates to the technical field of data connection interfaces, in particular to a communication interface device with filtering function.

Background technique

At present, traditional communication interfaces such as network cable interfaces do not have filtering functions, and mutual interference will be formed between input signals and output signals, and the anti-interference performance is poor, which will lead to signal distortion and other phenomena.

Utility model content

Aiming at the above-mentioned technical problems in the related art, the utility model proposes a communication interface device with filtering function, which can overcome the above-mentioned shortcomings of the prior art.

For realizing above-mentioned technical purpose, technical scheme of the present utility model is realized like this:

A communication interface device with filtering function, comprising a device body, the middle part of the front face of the device body is provided with a communication interface extending toward the inside of the device body, the device body is provided with an accommodation cavity, the A filter circuit is provided in the accommodation cavity, and the filter circuit includes a common-mode inductor L1 and a common-mode inductor L2, the input ends of the common-mode inductor L1 and the common-mode inductor L2 are connected to the input line, and the common-mode inductor Both the output ends of L1 and the common mode inductor L2 are connected to the communication interface.

Further, the communication interface is a dual network cable interface.

The beneficial effect of the utility model: by using the filter circuit, the mutual interference between the input signal and the output signal can be reduced, thereby improving the anti-interference performance; the socket of the utility model not only has the advantage of simple structure, but also can be used for inserting network cables, data lines etc.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

FIG. 1 is a schematic structural diagram of a communication interface device with filtering function according to an embodiment of the present invention;

Fig. 2 is a circuit diagram of a filtering function circuit according to an embodiment of the present invention;

In the picture:

1. Device body; 2. Front face; 3. Communication interface.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

As shown in Figure 1-2, a communication interface device with filtering function according to the embodiment of the present invention includes a device body 1, and the middle part of the front end surface 2 of the device body 1 is provided with a The communication interface 3 extending in 1, the device body 1 is provided with a housing cavity, and the housing cavity is provided with a filter circuit, the filter circuit includes a common mode inductor L1 and a common mode inductor L2, the The input ends of the common mode inductor L1 and the common mode inductor L2 are both connected to the input line, and the output ends of the common mode inductor L1 and the common mode inductor L2 are both connected to the communication interface 3 .

In a specific embodiment, the communication interface 3 is a dual network cable interface.

In order to facilitate the understanding of the above-mentioned technical solution of the present utility model, the above-mentioned technical solution of the present utility model will be described in detail below through specific usage modes.

When the utility model is actually used, a filter circuit is provided in the device body, and the filter circuit includes a common-mode inductor L1 and a common-mode inductor L2. Processing, on the one hand, reduces the mutual interference between the input signal and the output signal, and on the other hand, improves the anti-interference of the signal.

To sum up, the utility model can reduce the mutual interference between the input signal and the output signal by using the filter circuit, thereby improving the anti-interference performance; the utility model socket not only has the advantage of simple structure, but also can be used to insert network cables , data lines, etc.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (2)

1. a kind of communication interface arrangement of filter function, including device body（1）, the device body（1）Front end face（2） Middle part be provided with device body（1）The communication interface of interior extension（3）, the device body（1）It is interior to be equipped with accommodating cavity, It is characterized in that：Filter circuit is equipped with the accommodating cavity, the filter circuit includes common mode inductance L1 and common mode inductance L2, the input terminal of the common mode inductance L1 and common mode inductance L2 are connected with input line, the common mode inductance L1 and common mode inductance The output terminal of L2 is and communication interface（3）It is connected.

A kind of 2. communication interface arrangement of filter function according to claim 1, it is characterised in that the communication interface （3）For double cable interfaces.