WO2010024574A2 - Terminal block for unshielded twisted pair cable - Google Patents

Terminal block for unshielded twisted pair cable Download PDF

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Publication number
WO2010024574A2
WO2010024574A2 PCT/KR2009/004732 KR2009004732W WO2010024574A2 WO 2010024574 A2 WO2010024574 A2 WO 2010024574A2 KR 2009004732 W KR2009004732 W KR 2009004732W WO 2010024574 A2 WO2010024574 A2 WO 2010024574A2
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WO
WIPO (PCT)
Prior art keywords
circuit board
printed circuit
pairs
terminal block
terminal
Prior art date
Application number
PCT/KR2009/004732
Other languages
French (fr)
Other versions
WO2010024574A3 (en
Inventor
Su-Jong Kim
Jong-Seb Baeck
Original Assignee
Ls Cable Ltd
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Filing date
Publication date
Application filed by Ls Cable Ltd filed Critical Ls Cable Ltd
Publication of WO2010024574A2 publication Critical patent/WO2010024574A2/en
Publication of WO2010024574A3 publication Critical patent/WO2010024574A3/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6463—Means for preventing cross-talk using twisted pairs of wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping

Definitions

  • the present invention relates to a terminal block, and more particularly to a terminal block for an unshielded twisted pair cable having a plurality of pairs, each being composed of two twisted conductive wires, and having no separate shielding member for shielding between the pairs.
  • UTP Unshielded Twisted Pair
  • FTP Flexible Twisted Pair
  • STP shielded Twisted Pair
  • the UTP cable has a shielding member in itself, but has a plurality of pairs.
  • FIG. 1 shows a general structure of the UTP cable.
  • the general UTP cable includes four pairs 1, each being composed of insulation-coated two conductive wires 11, cross fillers 2 filling gaps among the pairs 1, and an outer jacket 3 surrounding the pairs 1 and the cross fillers 2.
  • the two conductive wires 11 are extended in a length direction of the cable while being twisted with each other in order to prevent internal crosstalk from occurring among the pairs 1 when a signal is transmitted.
  • the four pairs 1 are extended while being twisted with each other so as to prevent alien crosstalk from occurring between cables when a signal is transmitted.
  • a terminal block is used for diverging of the pair 1 or connection of UTP cables.
  • a conventional terminal block includes a housing and eight terminals inserted into slots formed in the housing and fixed in a row. Eight conductive wires included any one UTP cable are electrically connected to lower ends of the terminals arranged in a row, and eight conductive wires included in another UTP cable are electrically connected to tops of the terminals for the connection with the above UTP cable.
  • the conductive wires having been twisted with each other to prevent internal crosstalk and alien crosstalk become arranged in parallel with no twist in the region where the terminals are connected to the terminals.
  • the signal may be distorted due to internal crosstalk among the terminals.
  • alien crosstalk may occur among the adjacent terminal blocks in the region where the signal passes through the terminal.
  • the present invention is designed to solve the problems of the prior art, and therefore it is an object of the present invention to provide a terminal block for a UTP (Unshielded Twisted Pair) cable, which may very efficiently decrease internal crosstalk and align crosstalk of the UTP cable without increasing a size of the terminal block.
  • UTP Unshielded Twisted Pair
  • the present invention provides a terminal block for a UTP (Unshielded Twisted Pair) cable, which includes a housing having a plurality of slot pairs, each having a first slot and a second slot; a plurality of terminal pairs, each including first and second terminals respectively inserted into the first and second slots and having both ends electrically connected to each pair of the UTP cable; a printed circuit board received in the housing so as to be located at one side of the plurality of terminal pairs; a plurality of elastic connector pairs, each having first and second elastic connectors that respectively electrically connect the first and second terminals to the printed circuit board; and a cover mounted to a side of the housing to fix the printed circuit board, wherein a circuit pattern for connecting first elastic connectors of adjacent elastic pairs with each other via a capacitor and also connecting second elastic connectors of the adjacent elastic pairs with each other via a capacitor is formed on the printed circuit board.
  • UTP Unshielded Twisted Pair
  • the capacitor is formed by two conductive plates attached to adjacent two layers of the printed circuit board such that surfaces of the two conductive plates face each other.
  • the capacitor may be formed by two conductive plates attached to face each other while being engaged to any one layer of the printed circuit board.
  • a shield pin for shielding adjacent elastic connector pairs from each other is mounted to the printed circuit board.
  • the shield pin is electrically connected to the printed circuit board, and a circuit pattern for connecting the shield pin to a first elastic connector located adjacent to the shield pin via a capacitor is formed on the printed circuit board.
  • a shield pin for shielding an elastic connector pair located at an outermost position from an elastic connector pair located at an outermost position of another terminal block is mounted to the printed circuit board.
  • the shield pin is electrically connected to the printed circuit board, and a circuit pattern for connecting the shield pin to a second elastic connector of the elastic connector pair located at the outermost position via a capacitor is formed on the printed circuit board.
  • the first and second elastic connectors have one ends attached to the printed circuit board and the other ends that press the first and second terminals, respectively.
  • a protrusion formed on the cover is inserted into a hole formed in the terminal through a hole formed in the printed circuit board to fix the printed circuit board.
  • FIG. 1 is a sectional view showing a general structure of a UTP cable
  • FIG. 2 is a perspective view showing a terminal block for a UTP cable according to the present invention
  • FIG. 3 is an exploded perspective view showing the terminal block of FIG. 2;
  • FIG. 4 is a circuit diagram schematically showing a connection relation among terminals of the terminal block shown in FIG. 2;
  • FIG. 5 is a sectional view showing a printed circuit board for implementing the circuit diagram of FIG. 3;
  • FIG. 6 shows a modification of FIG. 5
  • FIG. 7 is a schematic view for illustrating a shield pin of the terminal block of FIG. 2;
  • FIG. 8 is a perspective view showing a cover of the terminal block of FIG. 2;
  • FIG. 9 is a perspective view showing a block base having the terminal block of FIG. 2.
  • FIG. 2 is a perspective view showing a terminal block for a UTP cable according to the present invention
  • FIG. 3 is an exploded perspective view showing the terminal block of FIG. 2
  • FIG. 4 is a circuit diagram schematically showing a connection relation among terminals of the terminal block shown in FIG. 2
  • FIG. 5 is a sectional view showing a printed circuit board for implementing the circuit diagram of FIG. 3,
  • FIG. 6 shows a modification of FIG. 5
  • FIG. 7 is a schematic view for illustrating a shield pin of the terminal block of FIG. 2
  • FIG. 8 is a perspective view showing a cover of the terminal block of FIG. 2
  • FIG. 9 is a perspective view showing a block base having the terminal block of FIG. 2.
  • a terminal block 100 includes a housing 110, a plurality of terminal pairs 130, a printed circuit board 150, and a plurality of elastic connector pairs 170 and a cover 190, as shown in FIGs. 2 and 3.
  • the housing 110 receives the plurality of terminal pairs 130, the printed circuit board 150 and the plurality of elastic connector pairs 170 therein.
  • the housing 110 includes a plurality of slot pairs 112 into which the plurality of terminal pairs 130 are inserted, and an inner space 120 for receiving the printed circuit board 150 and the plurality of elastic connector pairs 170.
  • the slot pair 112 is composed of a first slot 114 and a second slot 116, and the inner space 120 is sealed by means of the cover 190.
  • the terminal pair 130 is inserted into the slot pair 112 to electrically connect a pair (not shown) included in any one UTP (Unshielded Twisted Pair) cable with a pair included in another UTP cable.
  • the terminal pair 130 includes a first terminal 132 inserted into the first slot 114 and a second terminal 134 inserted into the second slot 116.
  • Two conductive wires (not shown) configuring a pair included in any one UTP cable are respectively connected to lower ends of the first terminal 132 and the second terminal 134, and two conductive wires (not shown) configuring a pair included in another UTP cable are respectively connected to upper ends of the first terminal 132 and the second terminal 134.
  • Holes 136 are formed in center portions of the first terminal 132 and the second terminal 134 such that a protrusion 192 (see FIG. 8) formed in one side of the cover 190 may be inserted into the hole 136.
  • the coupling relation between the protrusion 192 and the hole 136 will be explained in more detail when the cover 190 is explained.
  • a UTP cable has two pairs, so four terminal pairs 130 are provided as shown in FIG. 3, but the number of the terminal pairs 130 is not limited thereto.
  • Each of the plurality of elastic connector pairs 170 are composed of a first elastic connector 172 for electrically connecting the first terminal 132 to the printed circuit board 150, and a second elastic connector 174 for electrically connecting the second terminal 134 to the printed circuit board 150.
  • a first elastic connector 172 for electrically connecting the first terminal 132 to the printed circuit board 150
  • a second elastic connector 174 for electrically connecting the second terminal 134 to the printed circuit board 150.
  • one ends of the first elastic connector 172 and the second elastic connector 174 are attached to a lower end of the printed circuit board 150, and the other ends of the first elastic connector 172 and the second elastic connector 174 press the first terminal 132 and the second terminal 134.
  • the printed circuit board 150 may be easily electrically connected to or dissembled from the terminal pair 130.
  • the printed circuit board 150 is received in the housing 110 such that the printed circuit board 150 is located at one side of the plurality of terminal pairs 130.
  • a circuit with a predetermined pattern is formed on the printed circuit board 150, and the first terminals or the second terminals of adjacent terminal pairs are connected with each other by the circuit via a capacitor.
  • the first terminals 132 of the adjacent terminal pairs are connected via capacitors C2, C4, C6, and the second terminals 134 of the adjacent terminal pairs are connected via capacitors C1, C3, C5.
  • the plurality of terminal pairs 130 are connected in this way, it is possible to decrease internal crosstalk between the terminal pairs 130, which occurs when twisted pairs of a UTP cable are untwisted and connected to the terminal pair 130.
  • the capacitors C1 to C6 may be formed by attaching two conductive plates 160, 162, whose surfaces face each other, to adjacent layers 152, 154 among a plurality of layers 152, 154, 156, 158 included in the printed circuit board 150, as shown in FIG. 5.
  • any one elastic connector pair is designated by a reference numeral 170a and an adjacent elastic connector pair is designated by a reference numeral 170b as shown in FIG.
  • any one of the two conductive plates 160, 162 is electrically connected to a first elastic connector 172a of the elastic connector pair 170a by means of a line passing through a hole 168 formed in the printed circuit board 150, and the other one is electrically connected to a first elastic connector 172b of the elastic connector pair 170b by means of a line passing through the hole 168.
  • the capacitors C1 to C6 may also be formed by attaching two conductive plates 160, 162, which face each other while being engaged with each other, to any one layer 152 of a plurality of layers 152, 154, 156, 158 included in the printed circuit board 150, as shown in FIG. 6.
  • the cover 190 is used for covering the inner space 120 formed in the housing 110 at a side of the housing 110. Also, a plurality of protrusions 192, 194 are formed on one side of the cover 190 to fix the printed circuit board 150 and also press the printed circuit board 150 toward the terminal pair 130. Among the protrusions 192, 194, the protrusions 192 formed in a low on a lower portion of one side of the cover 190 are put through the hole 164 formed in the printed circuit board 150 and the hole 136 formed in the terminal pair 130 when the cover 190 is mounted, and also the protrusions 194 formed in a low on an upper portion thereof are put through another hole 166 formed in the printed circuit board 150.
  • locking arms 196 are formed at upper and lower ends of the cover 190, and the locking arms 196 are coupled with locking grooves (not shown) formed in the housing 110 when the cover 190 is mounted, and accordingly the cover 190 is fixed to the housing 110.
  • a shield pin 210 is preferably mounted to the printed circuit board 150 so as to shield adjacent elastic connector pairs from each other. In this case, crosstalk between the elastic connector pairs 170 may be more decreased.
  • the shield pin 210 is electrically connected to the printed circuit board 150, and a circuit pattern for connecting the first elastic connector 172, located adjacent to the shield pin 210, to the shield pin 210 via capacitors Cs1, Cs2, Cs3 is formed on the printed circuit board 150, as shown in FIG. 7.
  • the method for forming the capacitors Cs1, Cs2, Cs3 is already explained in detail above, so it is not described again.
  • a shield pin 230 is preferably mounted at one end of the printed circuit board 150 so as to shield an elastic connector pair 170 located at an outermost position from an elastic connector pair located at an outermost position of another terminal block.
  • the shield pin 230 is electrically connected to the printed circuit board 150, and a circuit pattern for connecting a second elastic connector 174 of the elastic connector pair 170 located at the outermost position to the shield pin 230 via a capacitor CA is preferably formed on the printed circuit board 150. In this case, it is possible to decrease crosstalk between any one terminal block and another terminal block adjacent thereto.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

A terminal block for a UTP cable includes a housing having a plurality of slot pairs having first and second slots; a plurality of terminal pairs including first and second terminals respectively inserted into the first and second slots and having both ends electrically connected to each pair of the UTP cable; a printed circuit board received in the housing and located at one side of the terminal pairs; a plurality of elastic connector pairs having first and second elastic connectors respectively electrically connecting the terminals to the printed circuit board; and a cover mounted to a side of the housing to fix the printed circuit board. A circuit pattern for connecting first elastic connectors of adjacent elastic pairs with each other via a capacitor and also connecting second elastic connectors of the adjacent elastic pairs with each other via a capacitor is formed on the printed circuit board.

Description

TERMINAL BLOCK FOR UNSHIELDED TWISTED PAIR CABLE
The present invention relates to a terminal block, and more particularly to a terminal block for an unshielded twisted pair cable having a plurality of pairs, each being composed of two twisted conductive wires, and having no separate shielding member for shielding between the pairs.
Generally, data cables for communication are used for mass data transferring of LAN or IBS, and such data cables are classified into UTP (Unshielded Twisted Pair) cables, FTP (Foiled Twisted Pair) cables and STP (Shielded Twisted Pair) cables on the basis of the presence of a shield. The UTP cable has a shielding member in itself, but has a plurality of pairs. Hereinafter, a general structure of the UTP cable is explained in more detail with reference to FIG. 1. FIG. 1 shows a general structure of the UTP cable.
The general UTP cable includes four pairs 1, each being composed of insulation-coated two conductive wires 11, cross fillers 2 filling gaps among the pairs 1, and an outer jacket 3 surrounding the pairs 1 and the cross fillers 2. The two conductive wires 11 are extended in a length direction of the cable while being twisted with each other in order to prevent internal crosstalk from occurring among the pairs 1 when a signal is transmitted. Also, the four pairs 1 are extended while being twisted with each other so as to prevent alien crosstalk from occurring between cables when a signal is transmitted.
When the UTP cable is installed, it may be demanded to diverge a pair 1 included in the UTP cable or connect the UTP cable to another UTP cable, due to surrounding conditions. In this case, a terminal block is used for diverging of the pair 1 or connection of UTP cables.
A conventional terminal block includes a housing and eight terminals inserted into slots formed in the housing and fixed in a row. Eight conductive wires included any one UTP cable are electrically connected to lower ends of the terminals arranged in a row, and eight conductive wires included in another UTP cable are electrically connected to tops of the terminals for the connection with the above UTP cable.
However, when the above terminal block is used, the conductive wires having been twisted with each other to prevent internal crosstalk and alien crosstalk become arranged in parallel with no twist in the region where the terminals are connected to the terminals. In this case, in a region where a signal passes through the terminal, the signal may be distorted due to internal crosstalk among the terminals. Also, since generally a plurality of such terminal blocks are adjacently mounted to a block base, alien crosstalk may occur among the adjacent terminal blocks in the region where the signal passes through the terminal.
In order to solve this problem, there have been proposed various methods, for example increasing gaps among the plurality of terminals or pairing and crossing the plurality of terminals, but such methods just result in an enlarged size of the terminal block and do not efficiently decrease internal crosstalk among terminals and alien crosstalk among terminal blocks.
The present invention is designed to solve the problems of the prior art, and therefore it is an object of the present invention to provide a terminal block for a UTP (Unshielded Twisted Pair) cable, which may very efficiently decrease internal crosstalk and align crosstalk of the UTP cable without increasing a size of the terminal block.
In order to accomplish the above object, the present invention provides a terminal block for a UTP (Unshielded Twisted Pair) cable, which includes a housing having a plurality of slot pairs, each having a first slot and a second slot; a plurality of terminal pairs, each including first and second terminals respectively inserted into the first and second slots and having both ends electrically connected to each pair of the UTP cable; a printed circuit board received in the housing so as to be located at one side of the plurality of terminal pairs; a plurality of elastic connector pairs, each having first and second elastic connectors that respectively electrically connect the first and second terminals to the printed circuit board; and a cover mounted to a side of the housing to fix the printed circuit board, wherein a circuit pattern for connecting first elastic connectors of adjacent elastic pairs with each other via a capacitor and also connecting second elastic connectors of the adjacent elastic pairs with each other via a capacitor is formed on the printed circuit board.
Preferably, the capacitor is formed by two conductive plates attached to adjacent two layers of the printed circuit board such that surfaces of the two conductive plates face each other. As an alternative, the capacitor may be formed by two conductive plates attached to face each other while being engaged to any one layer of the printed circuit board.
Preferably, a shield pin for shielding adjacent elastic connector pairs from each other is mounted to the printed circuit board. At this time, more preferably, the shield pin is electrically connected to the printed circuit board, and a circuit pattern for connecting the shield pin to a first elastic connector located adjacent to the shield pin via a capacitor is formed on the printed circuit board.
Preferably, a shield pin for shielding an elastic connector pair located at an outermost position from an elastic connector pair located at an outermost position of another terminal block is mounted to the printed circuit board. At this time, more preferably, the shield pin is electrically connected to the printed circuit board, and a circuit pattern for connecting the shield pin to a second elastic connector of the elastic connector pair located at the outermost position via a capacitor is formed on the printed circuit board.
Preferably, the first and second elastic connectors have one ends attached to the printed circuit board and the other ends that press the first and second terminals, respectively.
Preferably, a protrusion formed on the cover is inserted into a hole formed in the terminal through a hole formed in the printed circuit board to fix the printed circuit board.
According to the present invention, it is possible to may very efficiently decrease internal crosstalk among wires of an UTP cable and align crosstalk among UTP cables without increasing a size of the terminal block.
Other objects and aspects of the present invention will become apparent from the following description of embodiments with reference to the accompanying drawing in which:
FIG. 1 is a sectional view showing a general structure of a UTP cable;
FIG. 2 is a perspective view showing a terminal block for a UTP cable according to the present invention;
FIG. 3 is an exploded perspective view showing the terminal block of FIG. 2;
FIG. 4 is a circuit diagram schematically showing a connection relation among terminals of the terminal block shown in FIG. 2;
FIG. 5 is a sectional view showing a printed circuit board for implementing the circuit diagram of FIG. 3;
FIG. 6 shows a modification of FIG. 5;
FIG. 7 is a schematic view for illustrating a shield pin of the terminal block of FIG. 2;
FIG. 8 is a perspective view showing a cover of the terminal block of FIG. 2; and
FIG. 9 is a perspective view showing a block base having the terminal block of FIG. 2.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 2 is a perspective view showing a terminal block for a UTP cable according to the present invention, FIG. 3 is an exploded perspective view showing the terminal block of FIG. 2, FIG. 4 is a circuit diagram schematically showing a connection relation among terminals of the terminal block shown in FIG. 2, FIG. 5 is a sectional view showing a printed circuit board for implementing the circuit diagram of FIG. 3, FIG. 6 shows a modification of FIG. 5, FIG. 7 is a schematic view for illustrating a shield pin of the terminal block of FIG. 2, FIG. 8 is a perspective view showing a cover of the terminal block of FIG. 2, and FIG. 9 is a perspective view showing a block base having the terminal block of FIG. 2.
A terminal block 100 according to the present invention includes a housing 110, a plurality of terminal pairs 130, a printed circuit board 150, and a plurality of elastic connector pairs 170 and a cover 190, as shown in FIGs. 2 and 3.
The housing 110 receives the plurality of terminal pairs 130, the printed circuit board 150 and the plurality of elastic connector pairs 170 therein. For this purpose, the housing 110 includes a plurality of slot pairs 112 into which the plurality of terminal pairs 130 are inserted, and an inner space 120 for receiving the printed circuit board 150 and the plurality of elastic connector pairs 170. The slot pair 112 is composed of a first slot 114 and a second slot 116, and the inner space 120 is sealed by means of the cover 190.
The terminal pair 130 is inserted into the slot pair 112 to electrically connect a pair (not shown) included in any one UTP (Unshielded Twisted Pair) cable with a pair included in another UTP cable. The terminal pair 130 includes a first terminal 132 inserted into the first slot 114 and a second terminal 134 inserted into the second slot 116. Two conductive wires (not shown) configuring a pair included in any one UTP cable are respectively connected to lower ends of the first terminal 132 and the second terminal 134, and two conductive wires (not shown) configuring a pair included in another UTP cable are respectively connected to upper ends of the first terminal 132 and the second terminal 134. Holes 136 are formed in center portions of the first terminal 132 and the second terminal 134 such that a protrusion 192 (see FIG. 8) formed in one side of the cover 190 may be inserted into the hole 136. The coupling relation between the protrusion 192 and the hole 136 will be explained in more detail when the cover 190 is explained.
Generally, a UTP cable has two pairs, so four terminal pairs 130 are provided as shown in FIG. 3, but the number of the terminal pairs 130 is not limited thereto.
Each of the plurality of elastic connector pairs 170 are composed of a first elastic connector 172 for electrically connecting the first terminal 132 to the printed circuit board 150, and a second elastic connector 174 for electrically connecting the second terminal 134 to the printed circuit board 150. At this time, one ends of the first elastic connector 172 and the second elastic connector 174 are attached to a lower end of the printed circuit board 150, and the other ends of the first elastic connector 172 and the second elastic connector 174 press the first terminal 132 and the second terminal 134. If one end of the elastic connector pair 170 is provided to press the terminal pair 130 as mentioned above, the printed circuit board 150 may be easily electrically connected to or dissembled from the terminal pair 130.
The printed circuit board 150 is received in the housing 110 such that the printed circuit board 150 is located at one side of the plurality of terminal pairs 130. A circuit with a predetermined pattern is formed on the printed circuit board 150, and the first terminals or the second terminals of adjacent terminal pairs are connected with each other by the circuit via a capacitor. In other words, as shown in FIG. 4, the first terminals 132 of the adjacent terminal pairs are connected via capacitors C2, C4, C6, and the second terminals 134 of the adjacent terminal pairs are connected via capacitors C1, C3, C5. In case the plurality of terminal pairs 130 are connected in this way, it is possible to decrease internal crosstalk between the terminal pairs 130, which occurs when twisted pairs of a UTP cable are untwisted and connected to the terminal pair 130.
Here, the capacitors C1 to C6 may be formed by attaching two conductive plates 160, 162, whose surfaces face each other, to adjacent layers 152, 154 among a plurality of layers 152, 154, 156, 158 included in the printed circuit board 150, as shown in FIG. 5. At this time, if any one elastic connector pair is designated by a reference numeral 170a and an adjacent elastic connector pair is designated by a reference numeral 170b as shown in FIG. 5, any one of the two conductive plates 160, 162 is electrically connected to a first elastic connector 172a of the elastic connector pair 170a by means of a line passing through a hole 168 formed in the printed circuit board 150, and the other one is electrically connected to a first elastic connector 172b of the elastic connector pair 170b by means of a line passing through the hole 168. Meanwhile, as an alternative, the capacitors C1 to C6 may also be formed by attaching two conductive plates 160, 162, which face each other while being engaged with each other, to any one layer 152 of a plurality of layers 152, 154, 156, 158 included in the printed circuit board 150, as shown in FIG. 6.
The cover 190 is used for covering the inner space 120 formed in the housing 110 at a side of the housing 110. Also, a plurality of protrusions 192, 194 are formed on one side of the cover 190 to fix the printed circuit board 150 and also press the printed circuit board 150 toward the terminal pair 130. Among the protrusions 192, 194, the protrusions 192 formed in a low on a lower portion of one side of the cover 190 are put through the hole 164 formed in the printed circuit board 150 and the hole 136 formed in the terminal pair 130 when the cover 190 is mounted, and also the protrusions 194 formed in a low on an upper portion thereof are put through another hole 166 formed in the printed circuit board 150. Also, protrusions 198 formed in a low between the protrusions 192 and the protrusions 194 press the printed circuit board 150 toward the terminal pairs 130, and accordingly an electric contact between the elastic connector pair 170 and the terminal pair 130 is stably maintained. Meanwhile, locking arms 196 are formed at upper and lower ends of the cover 190, and the locking arms 196 are coupled with locking grooves (not shown) formed in the housing 110 when the cover 190 is mounted, and accordingly the cover 190 is fixed to the housing 110.
Meanwhile, a shield pin 210 is preferably mounted to the printed circuit board 150 so as to shield adjacent elastic connector pairs from each other. In this case, crosstalk between the elastic connector pairs 170 may be more decreased. Here, more preferably, the shield pin 210 is electrically connected to the printed circuit board 150, and a circuit pattern for connecting the first elastic connector 172, located adjacent to the shield pin 210, to the shield pin 210 via capacitors Cs1, Cs2, Cs3 is formed on the printed circuit board 150, as shown in FIG. 7. In this case, the method for forming the capacitors Cs1, Cs2, Cs3 is already explained in detail above, so it is not described again.
Preferably, there are provided a plurality of the terminal blocks 100, and the terminal blocks 100 are mounted to a block base 102. At this time, the plurality of terminal blocks 100 are mounted to the block base 102 while being contacted with each other as shown in FIG. 9, so alien crosstalk may occur between the terminal blocks 100. Thus, a shield pin 230 is preferably mounted at one end of the printed circuit board 150 so as to shield an elastic connector pair 170 located at an outermost position from an elastic connector pair located at an outermost position of another terminal block. At this time, the shield pin 230 is electrically connected to the printed circuit board 150, and a circuit pattern for connecting a second elastic connector 174 of the elastic connector pair 170 located at the outermost position to the shield pin 230 via a capacitor CA is preferably formed on the printed circuit board 150. In this case, it is possible to decrease crosstalk between any one terminal block and another terminal block adjacent thereto.

Claims (9)

  1. A terminal block for a UTP (Unshielded Twisted Pair) cable, comprising:
    a housing having a plurality of slot pairs, each having a first slot and a second slot;
    a plurality of terminal pairs, each including first and second terminals respectively inserted into the first and second slots and having both ends electrically connected to each pair of UTP cables;
    a printed circuit board received in the housing so as to be located at one side of the plurality of terminal pairs;
    a plurality of elastic connector pairs, each having first and second elastic connectors that respectively electrically connect the first and second terminals to the printed circuit board; and
    a cover mounted to a side of the housing to fix the printed circuit board,
    wherein a circuit pattern for connecting first elastic connectors of adjacent elastic pairs with each other via a capacitor and also connecting second elastic connectors of the adjacent elastic pairs with each other via a capacitor is formed on the printed circuit board.
  2. The terminal block for a UTP cable according to claim 1,
    wherein the capacitor is formed by two conductive plates attached to adjacent two layers of the printed circuit board such that surfaces of the two conductive plates face each other.
  3. The terminal block for a UTP cable according to claim 1,
    wherein the capacitor is formed by two conductive plates attached to face each other while being engaged to any one layer of the printed circuit board.
  4. The terminal block for a UTP cable according to claim 1,
    wherein a shield pin for shielding adjacent elastic connector pairs from each other is mounted to the printed circuit board.
  5. The terminal block for a UTP cable according to claim 4,
    wherein the shield pin is electrically connected to the printed circuit board, and a circuit pattern for connecting the shield pin to a first elastic connector located adjacent to the shield pin via a capacitor is formed on the printed circuit board.
  6. The terminal block for a UTP cable according to claim 1,
    wherein a shield pin for shielding an elastic connector pair located at an outermost position from an elastic connector pair located at an outermost position of another terminal block is mounted to the printed circuit board.
  7. The terminal block for a UTP cable according to claim 6,
    wherein the shield pin is electrically connected to the printed circuit board, and a circuit pattern for connecting the shield pin to a second elastic connector of the elastic connector pair located at the outermost position via a capacitor is formed on the printed circuit board.
  8. The terminal block for a UTP cable according to claim 1,
    wherein the first and second elastic connectors have one ends attached to the printed circuit board and the other ends that press the first and second terminals, respectively.
  9. The terminal block for a UTP cable according to claim 1,
    wherein a protrusion formed on the cover is inserted into a hole formed in the terminal through a hole formed in the printed circuit board to fix the printed circuit board.
PCT/KR2009/004732 2008-08-25 2009-08-25 Terminal block for unshielded twisted pair cable WO2010024574A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080082930A KR100978186B1 (en) 2008-08-25 2008-08-25 Terminal block for unshielded twisted paired cable
KR10-2008-0082930 2008-08-25

Publications (2)

Publication Number Publication Date
WO2010024574A2 true WO2010024574A2 (en) 2010-03-04
WO2010024574A3 WO2010024574A3 (en) 2010-06-24

Family

ID=41722098

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/004732 WO2010024574A2 (en) 2008-08-25 2009-08-25 Terminal block for unshielded twisted pair cable

Country Status (2)

Country Link
KR (1) KR100978186B1 (en)
WO (1) WO2010024574A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200469144Y1 (en) 2010-10-20 2013-09-26 네이버비즈니스플랫폼 주식회사 Mounting/demounting device for UTP cables

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO314527B1 (en) * 1995-09-29 2003-03-31 Krone Gmbh Wiring strip for high transmission speeds
KR20020012879A (en) * 2000-08-09 2002-02-20 오준환 Superspeed communication for a terminal block
US7223115B2 (en) 2005-06-03 2007-05-29 Commscope, Inc. Of North Carolina Cross-connect systems with connector blocks having balanced insulation displacement contacts

Also Published As

Publication number Publication date
KR20100024185A (en) 2010-03-05
WO2010024574A3 (en) 2010-06-24
KR100978186B1 (en) 2010-08-25

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