KR102563730B1 - Noise reduction joint terminal - Google Patents

Abstract

An invention for a noise canceling joint connector is disclosed. The disclosed noise-removing joint connector is connected to a housing having a plurality of insertion holes accommodating terminals on one side and having a seating groove recessed in a direction orthogonal to the insertion holes, and an insertion hole inside the housing, A joint pin terminal connected to the terminal inserted into the housing, and a TPA member inserted into and seated in the seating groove of the housing and having a plurality of communication holes formed in a direction corresponding to the insertion hole to prevent the terminal inserted into the communication hole from leaving Including, the TPA member is characterized by applying a noise filtering material to remove noise formed when a signal introduced through a terminal is output to another terminal through a joint pin terminal.

Description

Noise Reduction Joint Connector {NOISE REDUCTION JOINT TERMINAL}

The present invention relates to a noise-removing joint connector, and more particularly, by assembling a joint pin terminal in a housing and converting a TPA member inserted and mounted orthogonally into the housing into a noise-reducing material, noise on a communication line in a vehicle is reduced. It relates to a noise canceling joint connector that can be removed.

In general, the joint connector is electrically connected between terminals provided between the housing and the terminal, respectively, by coupling the housing to the cover. A bus bar to which a plurality of terminal pins are connected is provided inside the cover to provide a function of branching current from one circuit to a plurality of circuits or conversely integrating current from a plurality of circuits into one circuit.

The configuration of the joint connector is a housing (female housing) through which an insertion hole is formed in the front and rear, a terminal (female terminal) inserted into the insertion hole, and a seating groove of the housing to prevent separation of the female terminal. It includes a TPA member (separation prevention member), a cover coupled to the housing, and a joint pin terminal installed inside the cover and connected by being inserted into the terminal.

In the conventional joint technology, an input signal of a terminal fastened to an insertion hole of a housing is transmitted through a joint pin terminal mounted on a cover and an output signal through another terminal fastened to an insertion hole of a housing.

However, recently, a large amount of information has been transmitted through in-vehicle communication due to the increase in communication speed due to the increase in vehicle safety and convenience systems, and the in-vehicle communication speed is increasing for stable system operation. .

Vehicles that are fatal due to malfunctions caused by noise within the transmission signal due to the increase in communication speed within the vehicle, especially the increase in communication speed, which has been changed to CAN FD (Controller Area Network with Flexible Data-rate) during CAN (Controller Area Network) communication There are problems with operation.

Therefore, there is a need to improve this.

As a related background art, there is Korean Patent Publication No. 2015-0055973 (November 14, 2013, title of the invention: joint connector).

The present invention was created by the above necessity, by assembling a joint pin terminal in a housing and inserting and mounting orthogonally into the housing and converting the TPA members arranged in series into a noise reducing material, input and output through the terminal. An object of the present invention is to provide a noise-cancelling joint connector capable of removing noise of a signal being used.

In order to achieve the above object, a noise-removing joint connector according to the present invention includes a housing having a plurality of insertion holes for accommodating terminals on one side and a seating groove recessed in a direction perpendicular to the insertion holes; a joint pin terminal connected to an insertion hole inside the housing and connected to a terminal inserted into the insertion hole; and a TPA member inserted into the seating groove of the housing and having a plurality of communication holes formed in a direction corresponding to the insertion hole to prevent the terminal inserted into the communication hole from being separated. It is characterized in that a noise filtering material is applied to remove noise formed when a signal introduced through the terminal is output to another terminal through the joint pin terminal.

The housing is characterized in that a mounting groove is formed on a surface corresponding to a surface of the housing where the insertion hole is formed, and a cap member covering the joint pin terminal is provided in the mounting groove.

The cap member is constrained to the housing by a restraining part, and the restraining part includes: a plurality of restraining grooves formed on an inner surface of the mounting groove of the housing or both sides of the cap member; and restraining protrusions formed on both side surfaces of the cap member or the inner surface of the mounting groove of the housing so as to be bound to the restraining groove.

The joint pin terminal includes a body part integrally connected and a plurality of pin parts formed at set intervals on one side of the body part, and the body part is inserted into and fixed to a fitting hole provided inside a mounting groove formed in the housing. It is characterized in that the pin unit protrudes forward and is connected to the terminal inserted into the insertion hole.

The TPA member is characterized in that it is configured in series form for each node when the terminal is connected to the joint pin terminal.

The TPA member is characterized in that it is made of a ferrite core as a filter that filters electromagnetic interference included in an input signal input from the terminal inserted into the insertion hole and an output signal output from the terminal.

It is characterized in that the ferrite core constituting the TPA member is formed on a part of the TPA member or integrally formed on the entire TPA member.

The plurality of communication holes formed in the TPA member are formed at positions corresponding to the plurality of insertion holes formed in the housing, and the plurality of communication holes are disposed at a higher position than the plurality of insertion holes to restrain the inserted terminals. characterized by

The noise-removing joint connector according to the present invention assembles a joint pin terminal in a housing, inserts and mounts orthogonally into the housing, and converts TPA members disposed in series into a noise-reducing material, thereby inputting and outputting signals through the terminals. noise can be removed.

In addition, the present invention can reduce the number of parts and simplify the assembly structure by removing the cover on which the joint pin terminal is fixed and installing the joint pin terminal at the rear of the housing, unlike the conventional case.

In addition, in the present invention, the joint pin terminal installed in the housing can be covered from the outside using a cap member coupled to the housing.

1 is an exploded perspective view of a noise canceling type joint connector according to an embodiment of the present invention.
2 is an assembled perspective view of a noise canceling type joint connector according to an embodiment of the present invention, in which a part of the side is cut away.
3 is a cross-sectional view of a noise canceling type joint connector according to an embodiment of the present invention in an assembled state.
4 is a cross-sectional view taken along line AA of FIG. 3 .
5 is a state diagram of assembling a TPA member to a housing in a noise canceling joint connector according to an embodiment of the present invention.
6 is a state diagram before assembling a TPA member to a housing and assembling a cap member in a noise canceling joint connector according to an embodiment of the present invention.
7 is a state diagram in which a cap member is assembled to a housing in a noise canceling joint connector according to an embodiment of the present invention.
8 is a view showing a noise reduction state compared to the prior art in the noise elimination type joint connector according to an embodiment of the present invention.

Hereinafter, a noise canceling type joint connector according to an embodiment of the present invention will be described with reference to the accompanying drawings.

In this process, the thickness of lines or the size of components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, definitions of these terms will have to be made based on the content throughout this specification.

1 is an exploded perspective view of a noise elimination type joint connector according to an embodiment of the present invention, and FIG. 2 is an assembled perspective view of a noise elimination type joint connector according to an embodiment of the present invention, in which a part of the side is cut away. 3 is a cross-sectional view of a noise elimination type joint connector according to an embodiment of the present invention, FIG. 4 is a cross-sectional view along line A-A of FIG. 3, and FIG. 5 is a noise elimination type joint connector according to an embodiment of the present invention. 6 is a state diagram of assembling the TPA member to the housing, and FIG. 6 is a state diagram before assembling the TPA member to the housing and assembling the cap member in the noise canceling joint connector according to an embodiment of the present invention. FIG. In the noise elimination type joint connector according to an embodiment of the present invention, a state diagram in which the cap member is assembled to the housing, and FIG. This is the drawing shown.

1 to 8, the noise-removing joint connector according to an embodiment of the present invention has a plurality of insertion holes 110 in which terminals 10 are accommodated at one side, and the insertion holes 110 and Connected to the housing 100 provided with the seating groove 120 recessed in the orthogonal direction and the insertion hole 110 inside the housing 100, and connected to the terminal 10 inserted into the insertion hole 110 The joint pin terminal 200 and the housing 100 are inserted into and seated in the seating groove 120, and a plurality of communication holes 310 are formed in a direction corresponding to the insertion hole 110 so that the communication hole 310 It includes a TPA member 300 that prevents the departure of the terminal 10 inserted into the. At this time, the TPA member 300 may apply a noise filtering material to remove noise formed when a signal introduced through the terminal 10 is output to another terminal 10 through the joint pin terminal 200 .

A plurality of insertion holes 110 may be formed on one side of the housing 100 . The plurality of insertion holes 110 may be provided to be spaced apart from each other while being formed to be recessed into which the terminal 10 is inserted.

An upper or lower surface of the housing 100 may be formed with a seating groove 120, which is an indented space recessed upwards and downwards. A TPA member 300 to be described later is inserted into the seating groove 120. As shown in FIG. 4 , hooks are provided on both sides of the TPA member 300 so that the TPA member 300 can be hooked and mounted by being caught on the hooks formed on both sides of the housing 100 .

In the housing 100, a mounting groove 130 is formed on a surface corresponding to a surface on which the insertion hole 110 of the housing 100 is formed, and a cap member covering the joint pin terminal 200 in the mounting groove 130 ( 150) may be provided. The cap member 150 is formed in the form of a plate material and coupled while being inserted into the mounting groove 130 .

The cap member 150 may be constrained to the housing 100 by the restraining part 160 .

The restraining part 160 is coupled to a plurality of restraining grooves 162 formed on the inner surface of the mounting groove 130 of the housing 100 or both sides of the cap member 150 and the cap member to be bound to the restraining groove 162. It includes restraining protrusions 164 formed on both side surfaces of 150 or the inner surface of the mounting groove 130 of the housing 100. In particular, the restraining groove 162 formed on the inner surface of the mounting groove 130 of the housing 100 is formed in the form of a catching groove, and the restraining protrusions 164 formed on both sides of the cap member 150 are formed in the form of a catching hook. It can be.

The joint pin terminal 200 may include a body part 210 integrally connected in the width direction, and a plurality of pin parts 220 formed at set intervals on one side of the body part 210 . The number of pin parts 220 can be increased or decreased, and is formed long and pointed to be inserted into the insertion space of the terminal 10 .

While the body part 210 is inserted and fixed into the fitting hole 140 provided inside the mounting groove 130 formed in the housing 100, the pin part 220 protrudes forward and is inserted into the insertion hole 110. 10) can be inserted and connected. Fitting holes 140 may be interconnected in the width direction so as to correspond to the width of the body portion 210 in the housing 100 .

The TPA member 300 is configured to be inserted into the seating groove 120 of the housing 100, and as an example, may be inserted in a direction crossing the insertion hole 110, in particular, in a direction crossing the insertion hole 110 at a right angle.

A communication hole 310 may be formed in the TPA member 300 in a direction parallel to and coincident with the direction in which the insertion hole 110 of the housing 100 extends. In a state where the TPA member 300 is inserted into the seating groove 120 of the housing 100, the terminal 10 inserted into the insertion hole 110 may be inserted into the communication hole 310. At this time, the TPA member 300 can prevent separation by hanging the terminal 10 inserted into the insertion hole 110 and the communication hole 310 .

When the terminal 10 is connected to the joint pin terminal 200, the TPA member 300 may be configured in series for each node.

The joint pin terminal 200 may be electrically connected while the plurality of pin parts 220 protrude toward the insertion hole 110 while the body part 210 is inserted into the fitting hole 140 and fixed. In addition, the pin portion 220 of the joint pin terminal 200 may be connected to a plurality of terminals 100 inserted into the insertion hole 110 of the housing 100 to form an electrical circuit.

The TPA member 300 is a ferrite core as a filter that filters electromagnetic interference included in the input signal input from the terminal inserted into the insertion hole 110 and the output signal output from the terminal 10. core).

The ferrite core constituting the TPA member 300 may be formed on a part of the TPA member 300 or integrally formed on the entire TPA member 300 . The communication hole 310 of the TPA member 300 is formed in a shape surrounding the terminal 10 to remove noise. When an appropriate impedance value is selected, the TPA member 300 made of a ferrite core can absorb noise of a desired frequency and emit it as heat to remove it.

In this way, the TPA member 300 is configured in series with the joint pin terminal 200 installed in the housing 100 by applying a ferrite core having an appropriate impedance selected through the test, so that each node of each communication It can play a role of preventing noise from entering other nodes and minimizing the reflected signal of the communication signal input to each node to prevent the noise from entering other controllers or communication joint connectors through the main line.

The plurality of communication holes 310 formed in the TPA member 300 are formed at positions corresponding to the plurality of insertion holes 110 formed in the housing 100, and the plurality of communication holes 310 are formed in the plurality of insertion holes 110. ) It is arranged at a higher position than the inserted terminal 10 can be constrained.

On the other hand, FIG. 8 shows a state in which noise is improved compared to the prior art by the TPA member 300, and as a result of the test, the signal waveform is much smoother in a non-smooth state, showing a state in which noise is improved.

Therefore, in the noise-removing joint connector according to an embodiment of the present invention, by assembling a joint pin terminal in a housing and inserting and mounting perpendicularly into the housing and converting the TPA members arranged in series into a noise-reducing material, the terminal is Noise of input and output signals can be removed through this.

In addition, the present invention can reduce the number of parts and simplify the assembly structure by removing the cover on which the joint pin terminal is fixed and installing the joint pin terminal at the rear of the housing, unlike the conventional case. In addition, in the present invention, the joint pin terminal installed in the housing can be covered from the outside using a cap member coupled to the housing.

The present invention has been described with reference to the embodiments shown in the drawings, but this is only exemplary, and those skilled in the art can make various modifications and equivalent other embodiments. will understand

Therefore, the true technical protection scope of the present invention should be determined by the claims below.

10: terminal 100: housing
110: insertion hole 120: seating groove
130: mounting groove 140: fitting hole
150: cap member 160: restraining part
162: restraint groove 164: restraint protrusion
200: joint pin terminal 210: body part
220: pin part 300: TPA member
310: communication hole

Claims (8)

a housing in which a plurality of insertion holes accommodating terminals are formed on one side and a seating groove recessed in a direction orthogonal to the insertion holes;
a joint pin terminal connected to an insertion hole inside the housing and connected to a terminal inserted into the insertion hole; and
A TPA member inserted into and seated in the seating groove of the housing and having a plurality of communication holes formed in a direction corresponding to the insertion hole to prevent separation of the terminal inserted into the communication hole;
The TPA member applies a noise filtering material to remove noise formed when a signal introduced through the terminal is output to another terminal through the joint pin terminal,
The joint pin terminal includes a body part integrally connected in the width direction, and a plurality of pin parts formed at set intervals on one side of the body part;
While the body part is inserted and fixed into the fitting hole provided inside the mounting groove formed in the housing, the pin part protrudes forward and is inserted into and connected to the terminal inserted into the insertion hole,
The fitting holes are interconnected in the width direction so as to correspond to the width of the body portion in the housing.
According to claim 1,
The housing has a mounting groove formed on a surface corresponding to a surface of the housing where the insertion hole is formed, and a cap member covering the joint pin terminal is provided in the mounting groove.
According to claim 2,
The cap member is constrained to the housing by a restraining portion,
the restraining part,
a plurality of restriction grooves formed on an inner surface of the mounting groove of the housing or both sides of the cap member; and
Restraining protrusions formed on both side surfaces of the cap member or the inner surface of the mounting groove of the housing so as to be bound to the restraining groove;
Noise-removing joint connector, characterized in that it comprises.
delete According to claim 1,
The noise-removing joint connector, characterized in that the TPA member is configured in series form for each node when the terminal is connected to the joint pin terminal.
According to claim 1,
The TPA member is a filter that filters out electromagnetic interference included in the input signal input from the terminal inserted into the insertion hole and the output signal output from the terminal, and is made of a ferrite core. type joint connector.
According to claim 6,
Noise elimination type joint connector, characterized in that the ferrite core constituting the TPA member is formed on a part of the TPA member or integrally formed on the entire TPA member.
According to claim 1,
The plurality of communication holes formed in the TPA member are formed at positions corresponding to the plurality of insertion holes formed in the housing, and the plurality of communication holes are disposed at a higher position than the plurality of insertion holes to restrain the inserted terminals. Noise-removing joint connector, characterized in that.

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