TWI483480B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector provided with a magnetic coil.

Taiwan Patent No. M339836, issued on Sep. 1, 2008, discloses an electrical connector, which is provided with an insulative body and an electronic module mounted in the insulative housing. a docking space into which the docking connector is inserted, the electronic module is provided with a sub-circuit board parallel to the insertion direction of the mating connector and disposed on the lower side of the docking space, and a magnetic coil disposed on the lower side of the sub-board, the magnetic coil is electrically Connected to the sub-board.

The sub-circuit board is disposed on the upper side of the magnetic coil, and the magnetic coil is completely confined in the space on the lower side of the sub-board, and the magnetic coil cannot use the space to other positions, so that the height of the electrical connector is large, which is disadvantageous for the electrical connector. The size is reduced.

Therefore, it is necessary to propose a new technical solution to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide an electrical connector which is advantageous in its structural design which is small in size.

In order to solve the above technical problem, the present invention provides an electrical connector provided with an electronic module, the electronic module is provided with a sub-circuit board and a magnetic coil, and the magnetic coil is provided The magnetic core and the enameled wire wound around the magnetic core and electrically connected to the sub-board, the sub-circuit board is provided with a receiving space, and the magnetic coil is at least partially received in the receiving space.

Compared with the prior art, the neutron circuit board of the present invention is provided with a receiving space, and the magnetic coil is at least partially accommodated in the accommodating space, so that the space of the electrical connector is more fully utilized, which is advantageous for reducing the volume of the electrical connector.

The present invention will be further described below in conjunction with the drawings and embodiments.

100‧‧‧Electrical connector

11‧‧‧Insulation body

110‧‧‧ docking space

111‧‧‧ front wall

112‧‧‧Interval

113‧‧‧ docking port

114‧‧‧Retention institution

12‧‧‧ Pedestal

120‧‧‧ front wall

121‧‧‧ rear end wall

122‧‧‧Left end wall

123‧‧‧Right end wall

124‧‧‧ bottom wall

125‧‧‧ accommodating space

126‧‧‧ openings

127‧‧‧Compliant institutions

13‧‧‧Board components

130‧‧‧Sub Board

1300‧‧‧ accommodating space

1301‧‧‧The first part of the board

1302‧‧‧ Board Part II

1303‧‧‧first golden finger

1304‧‧‧First solder joint

1305‧‧‧second golden finger

1306‧‧‧second solder joint

131‧‧‧Docking terminal

1310‧‧‧Contacts

132‧‧‧ Magnetic coil

1320‧‧‧Part 1

1321‧‧‧Part II

1322‧‧‧Part III

133‧‧‧With coil

14‧‧‧plug-in capacitor

15‧‧‧Transfer terminal

16‧‧‧Lighting parts

17‧‧‧Metal housing

The first figure is a perspective view of the present electrical connector.

The second figure is an exploded view of the present electrical connector.

The third figure is an exploded view of another angle of the present electrical connector.

The fourth figure is a perspective view of the circuit board assembly of the present electrical connector.

The fifth drawing is a cross-sectional view taken along line V-V in the first figure.

Referring to the first and second figures, an electrical connector 100 conforming to the present invention is an RJ45 connector in the present embodiment, which can be mated with a mating connector (not shown) and can be mounted on An external device (not shown) includes an insulative housing 11 , an electronic module (not labeled) mounted on the insulative housing 11 , a light emitting member 16 mounted on the insulative housing 11 , and a covered insulative housing 11 . a metal housing 17 , the electronic module includes a base 12 mounted on the insulative housing 11 , a circuit board assembly 13 carried on the base 12 , a plug-in capacitor 14 held on the base 12 and the circuit board assembly 13 , and The electrical connector 100 is connected to the plurality of transfer terminals 15 of the external device. The plurality of transfer terminals 15 are held by the base 12 .

Referring to the second and third figures, the insulative housing 11 is provided with a docking space 110 for inserting the mating connector, a front wall 111 disposed on the front side of the insulative housing 11, and left and right of the insulative housing 11. The holding mechanism 114 on both sides and the plurality of spacers 112 provided on the rear side of the docking space 110. The front wall 111 is provided with a docking port 113 through which the docking connector can be inserted and communicated with the docking space 110. The docking port 113 and the spacer 112 are located on opposite sides of the docking space 110.

Referring to the second and third figures, the base 12 is disposed on the bottom side of the docking space 110. The base 12 is provided with a front end wall 120, a rear end wall 121, a left end wall 122, a right end wall 123, and The bottom wall 124, the rear end wall 121, the left end wall 122, and the right end wall 123 are connected to the bottom wall 124. The front end wall 120 , the rear end wall 121 , the left end wall 122 , the right end wall 123 , and the bottom wall 124 are surrounded by an accommodation space 125 . The left end wall 122 and the right end wall 123 are respectively provided with a matching mechanism 127 that is fixedly engaged with the holding mechanism 114 of the insulative housing 11 . In the embodiment, the holding mechanism 114 is an extension extending to the base 12 and having a barb. The engaging mechanism 127 is a fastening groove that is engaged with the extension arm, and the fastening groove is formed on the outer side of the base 12 . The bottom wall 124 is provided with an opening 126 penetrating through the accommodating space 125 . The plurality of transfer terminals 15 are held by the rear end wall 121 of the base 12 and extend beyond the rear end wall 121 of the base 12 so as to be connectable to an external device.

Referring to FIGS. 2 to 5, the circuit board assembly 13 includes a sub-board 130 carried on the susceptor 12, a plurality of mating terminals soldered to the front of the sub-board 130 and mate with the mating connector. 131. The magnetic coil 132 and the matching coil 133 are held by the sub-board 130.

The sub-board 130 is disposed parallel to the direction in which the mating connector is inserted into the docking space 110 and is perpendicular to the front wall 111. The sub-circuit board 130 is provided with a receiving space 1300, and the magnetic coil 132 is at least partially received in the receiving space 1300. The ring 132 is provided with a magnetic core (not labeled) and an enameled wire (not labeled) wound around the magnetic core and electrically connected to the sub-circuit board 130. In the embodiment, the receiving space 1300 is a through port on opposite sides of the sub-circuit board 130. The magnetic coil 132 is glued and held in the receiving space 1300, and the magnetic coil 132 can be realized by dispensing. At the same time, the lacquer layer of the magnetic coil 132 may be sealed at the breakage of the lacquer layer to reduce the defect rate of the magnetic coil 132. Further, in the embodiment, the magnetic coil 132 is partially received in the accommodating space 1300. From a spatial point of view, the magnetic coil 132 has a first portion 1320 beyond the side of the sub-board 130, a second portion 1321 beyond the opposite side of the sub-board 130, and a third portion received in the receiving space 1300. 1322. In this manner, the magnetic coil 132 not only utilizes the space occupied by the sub-board 130 itself through the accommodating space 1300, but also utilizes the space on the opposite sides of the sub-board 130, thereby greatly promoting the full utilization of the space, which is very advantageous. The size of the electrical connector 100 is reduced. The matching coil 133 is provided with a magnetic core (not labeled) and an enamel wire (not labeled) wound around the magnetic core and electrically connected to the sub-circuit board 130. The matching coil 133 is disposed outside the accommodating space 1300, and the coil 133 and the magnetic coil 132 are matched. Stack settings and glue them together. The sub-board 130 includes a first portion 1301 of the circuit board on one side of the receiving space 1300 and a second portion 1302 of the circuit board on the opposite side of the receiving space 1300. The first portion 1301 of the circuit board is provided with a row of first gold fingers 1303 and a row of first solder joints 1304 soldered to the plurality of mating terminals 131. The second portion of the circuit board 1302 is provided with a row of second gold fingers 1305 and a row and a row. The second solder joint 1306 is soldered to the surface of the first portion 1301 of the circuit board, and the second gold finger 1305 is disposed on the surface of the second portion 1302 of the circuit board. The accommodating space 1300 is located between the two rows of gold fingers (ie, the first gold finger 1303 and the second gold finger 1305), and the magnetic coil 132 is electrically connected to the two rows of gold fingers (ie, the first gold finger 1303). With the second gold Between fingers 1305). The two rows of gold fingers (ie, the first gold finger 1303 and the second gold finger 1305) are located between the two rows of solder joints (ie, the first solder joint 1304 and the second solder joint 1306). In the present embodiment, the enamel wire of the magnetic coil 132 is soldered to the first gold finger 1303, and the enamel wire of the matching coil 133 is soldered to the second gold finger 1305, so that the magnetic coil 132 and the matching coil 133 are electrically connected to the two rows of gold. Between the finger (ie, the first gold finger 1303 and the second gold finger 1305). The arrangement of the two rows of gold fingers (ie, the first gold finger 1303 and the second gold finger 1305) is parallel, the number of the magnetic coils 132 is plural, and the plurality of magnetic coils 132 are along with the golden finger ( That is, the first gold finger 1303 and the second gold finger 1305) are arranged in a row in a direction parallel to the arrangement direction, thereby making the space arrangement more compact. The arrangement direction of the first solder joints 1304 and the arrangement direction of the second solder joints 1306 are both parallel to the arrangement direction of the gold fingers (ie, the first gold fingers 1303 and the second gold fingers 1305). It should be noted that in the present embodiment, the first solder joint 1304 is a solder hole. Of course, in other embodiments, the first solder joint 1304 may be a gold finger suitable for surface soldering, and the like, the second soldering Point 1306 is a solder hole in the present embodiment, which may also be a gold finger or the like suitable for surface soldering.

The docking terminal 131 includes a contact portion 1310 that is received in the docking space 110 and can interface with the docking connector. The spacers 112 extend toward the sub-board 130 in a direction perpendicular to the sub-board 130, the adjacent contacts 1310 are spaced apart by the spacers 112, and the sub-board 130 and its receiving space 1300 are located at the contacts 1310 and the pedestal 12. Between the bottom walls 124, the spacers 112 at least partially coincide with the magnetic core of the magnetic coil 132 in a direction perpendicular to the sub-board 130. The bottom wall 124 of the pedestal 12 is spaced apart from the sub-circuit board 130. The accommodating space 125 is formed between the bottom wall 124 and the sub-circuit board 130. The accommodating space 125 and the docking space 110 are located on opposite sides of the sub-circuit board 130. The second portion 1321 of the magnetic coil 132 and the mating coil 133 are received in the accommodating space 125. Opening 126 of bottom wall 124 The seating space of the coil 133 is matched in pairs so that the coil 133 partially enters the opening 126 to prevent the mating coil 133 from being overcrowded in the accommodating space 125.

In the embodiment, the magnetic coil 132 is at least partially received in the accommodating space 1300, so that the space of the electrical connector 100 can be more fully utilized, and the volume of the electrical connector 100 is reduced. The accommodating space 1300 is a through subcircuit. The openings on the opposite sides of the plate 130 are not only convenient for fabrication, but also facilitate the passage of the magnetic coil 132 through the through-type receiving space 1300 to achieve space available to the opposite sides of the receiving space 1300.

The electrical connector 100 of the present embodiment can be manufactured in the following manner. First, the magnetic coil 132 is placed in the housing space 1300 of the sub-board 130, and the coil 133, the magnetic coil 132, and the sub-board 130 are pre-equipped by suitable devices. Fixed, the matching coil 133 and the magnetic coil 132 are initially mutually defined by the enameled wire; secondly, the corresponding gold finger of the matching coil 133 and the magnetic coil 132 is soldered to the corresponding gold finger on the sub-board 130 by using a suitable process (ie, the first The gold finger 1303 and the second gold finger 1305) are glued to hold the magnetic coil 132 in the receiving space 1300, and the colloid also fixes the matching coil 133 and the magnetic coil 132. Third, the butt terminal 131 is soldered to the child. The first solder joint 1304 of the circuit board 130, thus forming the circuit board assembly 13; fourth, the transfer terminal 15 is held on the base 12, and then the circuit board assembly 13 is mounted on the base 12, the circuit board The mating coil 133 of the component 13 is received in the accommodating space 125 of the susceptor 12, and the adaptor terminal 15 is soldered to the second solder joint 1306 of the sub-board 130. Fifth, the plug-in capacitor 14 is held on the pedestal 12 and the circuit board set. On the member 13 (the surface of one terminal of the plug-in capacitor 14 is soldered to the sub-circuit board 130, and the other terminal leg is initially straight so as to penetrate the base 12 and the circuit board assembly 13, and then is bent and then abutted against The outer side of the bottom wall 124 of the base 12), thus forming an electronic module; sixth, the electricity The sub-module is mounted on the insulative housing 11 from the bottom of the insulative housing 11, and the contact portion 1310 of the mating terminal 131 is received in the docking space 110. Seventh, the light-emitting member 16 is mounted on the insulative housing 11 from the front side of the insulative housing 11; The metal case 17 is mounted on the outer periphery of the insulative housing 11 , and the metal case 17 is in contact with the one of the terminal pins of the plug-in capacitor 14 that abuts against the outer side of the bottom wall 124 to form a ground connection. Thus, the present embodiment is completed. Electrical connector 100.

In summary, this creation has indeed met the requirements of the invention patent, and filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be within the scope of the following patent application.

112‧‧‧Interval

126‧‧‧ openings

1300‧‧‧ accommodating space

1320‧‧‧Part 1

1321‧‧‧Part II

1322‧‧‧Part III

133‧‧‧With coil

15‧‧‧Transfer terminal

Claims (10)

An electrical connector includes: an electronic module, the electronic module is provided with: a sub-circuit board, the sub-circuit board is provided with a receiving space; a magnetic coil, the magnetic coil is provided with a magnetic core and is wound around the magnetic core An enameled wire electrically connected to the sub-board, the magnetic coil is at least partially received in the receiving space; and the matching coil is disposed in a stack with the magnetic coil, the matching coil is provided with a magnetic core and is wound around the magnetic core and An enamel wire electrically connected to the circuit board; a pedestal carrying sub-circuit board, the pedestal is provided with a bottom wall spaced apart from the sub-circuit board, and an accommodating space is formed between the bottom wall and the sub-circuit board, The magnetic coil portion is received in the accommodating space; and the bottom wall is provided with an opening, and the mating coil at least partially enters the opening. The electrical connector of claim 1, wherein the receiving space is a through port on opposite sides of the sub-circuit board. The electrical connector of claim 1, wherein the sub-board comprises a first portion of the circuit board on one side of the receiving space and a second portion of the circuit board on the opposite side of the receiving space, the first part of the circuit board The surface of the circuit board is provided with a row of first gold fingers, and the surface of the second portion of the circuit board is provided with a row of second gold fingers, and the magnetic coils are electrically connected between the two rows of gold fingers. The electrical connector of claim 3, wherein the matching coil is disposed outside the accommodating space, the matching coil and the magnetic coil are stacked and glued together, and the enameled wire of the magnetic coil is welded to the first gold finger. The enameled wire of the coil is welded to the second gold finger. The electrical connector of claim 3, wherein the arrangement of the two rows of gold fingers In parallel, the number of the magnetic coils is plural, and the plurality of magnetic coils are arranged in a row in a direction parallel to the arrangement direction of the gold fingers. The electrical connector of claim 3, wherein the electrical connector is mountable to an external device, the electronic module further comprising a plurality of docking terminals that can be interfaced with the docking connector and the electrical connector can be connected to the external device. a plurality of switching terminals, wherein the first portion of the circuit board is provided with a row of first soldering points soldered to the plurality of mating terminals, and the second portion of the circuit board is provided with a row of second soldering points soldered to the plurality of switching terminals The two rows of gold fingers are located between the two rows of solder joints. The electrical connector of claim 1, wherein the magnetic coil is glued to the receiving space. The electrical connector of claim 1, wherein the receiving space is a through port on opposite sides of the sub-circuit board, the magnetic coil portion is received in the receiving space, and the magnetic coil has a side beyond the sub-board The first portion, the second portion beyond the opposite side of the sub-board, and the third portion received in the receiving space. The electrical connector of claim 8, wherein the electrical connector further comprises an insulative housing, the insulative housing is provided with a docking space for the mating connector to be inserted, and the sub-board is parallel to the mating connector and inserted into the docking space. The direction is set, and the accommodating space and the docking space are located on opposite sides of the sub-board. The electrical connector of claim 9, wherein the electronic module further comprises a plurality of docking terminals that can be docked with the mating connector, the insulative housing further having a front wall perpendicular to the sub-board and perpendicular to the sub-circuit The direction of the board faces the plurality of partitions extending from the sub-board, the front wall is provided with a docking port for the mating connector to be inserted into and communicated with the docking space, the docking port and the spacer are located on opposite sides of the docking space, and the docking terminal comprises the receiving terminal The contact portion and the contact portion that interfaces with the mating connector are spaced apart by a spacing portion that at least partially coincides with the magnetic core of the magnetic coil in a direction perpendicular to the sub-board.