TWM523980U - Power connector - Google Patents

Description

Power connector

The present invention relates to a power connector, and more particularly to a power connector mounted on a circuit board.

The power connector is a bridge connecting the output end and the receiving end of the power supply. Therefore, the current output of the power connector is critical, and the factors affecting the current transmission of the power connector include the body resistance of the conductor conductive material, the compression impedance, and the air convection heat dissipation system. .

In the case of a conventional power connector, the conductor is designed to overlap the PCB board via the arm. Due to the process requirements considering the flatness of the conductor contact area, in order to achieve better contact conduction, it is necessary to distinguish the conductor contact area into several independent contact areas. Therefore, when the conductor is formed by the stamping process, the stamping process edge must be reserved for the independent contact area. . However, when the conductors of the conventional power connector are formed by a stamping process, the individual contact areas are located on the same straight line, so that the heat dissipation effect is poor, which in turn affects the current output efficiency.

In view of this, it is indeed necessary to further improve the conventional power connector to solve the above technical problems.

The purpose of this creation is to provide a power connector having Better heat dissipation.

To achieve the above object, the present invention relates to a power connector. The power connector includes: an insulative housing having a mating surface, a mounting surface disposed opposite the mating surface, and a receiving slot extending through the mating surface and the mounting surface; the plurality of power terminal pairs are received in the receiving slot, and the power terminal pair includes The two power supply terminals are respectively disposed with a holding portion held in the receiving groove, a contact portion extending from one end of the holding portion, and a welding portion extending from the other end of the holding portion; wherein the contact portion includes each other a first contact arm and a second contact arm disposed at intervals, the first contact arm is provided with a first contact area, the second contact arm is provided with a second contact area, and the first contact area and the second contact area are front and rear Misplacement setting.

As a further improvement of the present invention, the length of the first contact arm is smaller than the length of the second contact arm, and the front end face of the first contact arm is located behind the front end face of the second contact arm.

As a further improvement of the present invention, a gap is formed between the first contact arm and the second contact arm, and a spacer is disposed in the receiving groove, and the spacer is received in the gap to space the first contact arm and the first contact arm Two contact arms.

As a further improvement of the present invention, the front end of the second contact arm extends laterally to both sides such that the width of the front end face of the second contact arm is equal to the width of the contact portion.

As a further improvement of the present invention, the front end of the second contact arm is provided with a plurality of openings.

As a further improvement of the present invention, the two sides of the second contact arm are respectively recessed There is a notch to space the second contact arm from the first contact arm, and the notch is recessed on a side of the second contact arm adjacent to the holding portion.

As a further improvement of the present invention, the first contact arm and the second contact arm extend in a V shape in the thickness direction of the power connector.

As a further improvement of the present invention, the second contact arm includes an extending portion extending from a front end of the contact portion, a rotating portion rotating from an end of the extending portion, and a reverse extending portion extending from an end of the rotating portion, wherein the second contact portion is formed in the opposite direction On the extension.

As a further improvement of the present invention, the first contact arm and the second contact arm are torn and formed, and a gap is formed between the first contact arm and the reverse extending portion.

As a further improvement of the present invention, the first contact arm extends in a V shape in the thickness direction of the power connector, the extension portion of the second contact arm extends horizontally, and the reverse extension portion extends in a V shape along the power connector. The contact portion has a P-shape as viewed in the width direction.

Compared with the prior art, the power connector of the present invention designs the contact portion of the power terminal to be composed of a first contact arm and a second contact arm which are spaced apart from each other, and at the same time, a first contact area is disposed on the first contact arm, A second contact area is disposed on the second contact arm, and the first contact area and the second contact area are disposed in front and rear offset, so that not only the flatness of the contact area can be ensured, but also the heat dissipation effect between the contact areas is better. , in turn, increases the output efficiency of the current.

100, 100', 100'''‧‧‧ power connectors

10, 10'‧‧‧Insulated body

11‧‧‧Docking Department

111‧‧‧ docking surface

112‧‧‧ docking slot

12‧‧‧Installation Department

121‧‧‧Installation surface

122‧‧‧Bump

123‧‧‧ containment chamber

124‧‧‧ Groove

13‧‧‧storage trough

131‧‧‧First storage trough

132‧‧‧Second holding trough

133‧‧‧ lap block

14‧‧‧ card slot

15‧‧‧Connecting block

151‧‧‧ slot

16‧‧‧ partition wall

161‧‧‧ interval block

17‧‧‧ Spacer

20‧‧‧Power terminal pair

21, 21', 21", 21'''‧‧‧ power terminals

211, 211', 211''' ‧ ‧ contact

2111, 2111', 2111'''‧‧‧ first contact arm

2112, 2112', 2112'''‧‧‧ second contact arm

2113, 2113'''‧‧‧ first contact area

2114, 2114', 2114'''‧‧‧ second contact area

2115, 2115', 2116, 2116'‧‧‧ front end

2115'''‧‧‧ Extension

2116'''‧‧‧ Turning

2117‧‧‧ gap

2117'''‧‧‧ Reverse Extension

2118‧‧‧ Notch

2119‧‧‧ openings

212, 212'‧‧‧ Holding Department

2121‧‧‧diffuse

2122‧‧‧ barbed

213‧‧‧Weld Department

30‧‧‧Signal terminal pair

31‧‧‧ Signal Terminal

311‧‧‧Interface

3111‧‧‧ lap joint

312‧‧‧ Insertion Department

3121‧‧‧ barbed

3122‧‧‧diffuse

313‧‧‧ pin

40‧‧‧Limited blocks

41‧‧‧through slot

42‧‧‧Bumps

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

The second figure is an exploded perspective view of the power connector shown in the first figure.

The third figure is a perspective view of the insulative body shown in the second figure.

The fourth figure is another perspective view of the insulating body shown in the third figure.

Figure 5 is a perspective view of a pair of power terminal pairs shown in the second figure.

The sixth figure is a perspective view of the assembly of the signal terminal pair and the limit block shown in the second figure.

The seventh figure is a perspective view of a second embodiment of the present power connector.

The eighth figure is an exploded perspective view of the power connector shown in the seventh figure.

The ninth drawing is a perspective view of the insulating body shown in the eighth figure.

The tenth figure is a perspective view of a pair of power terminal pairs shown in the eighth figure.

Fig. 11 is a perspective view showing another embodiment of the pair of power terminals shown in the tenth diagram.

Figure 12 is a perspective view of a third embodiment of the present power connector.

Figure 13 is an exploded perspective view of the power connector shown in Figure 12.

Figure 14 is a perspective view of the insulative body shown in Figure 13.

The fifteenth figure is another perspective view of the insulating body shown in Fig. 14.

Figure 16 is a perspective view of a pair of power terminal pairs shown in Figure 13.

Figure 17 is a side view of the pair of power terminals shown in Figure 16.

Referring to the first to sixth figures, the first embodiment of the present power connector 100 is illustrated. The power connector 100 is used for soldering to a circuit board and mating with the docking device. The power connector 100 includes an insulative housing 10, a plurality of power terminal pairs 20 and a plurality of signal terminal pairs 30 received in the insulative housing 10, and a limiting block 40 for limiting the signal terminal pairs 30.

Referring to the third and fourth figures, and in conjunction with the second figure, the foregoing insulating body 10 The mating portion 11 , the mounting portion 12 , and the receiving groove 13 penetrating the mating portion 11 and the mounting portion 12 are provided. The abutting surface 111 is formed at the front end of the butting portion 11, and the mounting surface 121 is formed at the rear end of the mounting portion 12 so as to face the mating surface 111. The receiving groove 13 penetrates from the mating surface 111 to the mounting surface 121. The receiving slot 13 includes a first receiving slot 131 for receiving the power terminal pair 20 and a second receiving slot 132 for receiving the signal terminal pair 30. Since the shape of the power terminal pair 20 and the signal terminal pair 30 are different, The shapes of the first receiving slot 131 and the second receiving slot 132 are also different, and will not be described in detail herein.

A mating slot 112 for inserting the docking device is disposed in the front end of the mating portion 11. The mating slot 112 communicates with the receiving slot 13 so that the power terminal pair 20 and the signal terminal pair 30 are electrically connected to the docking device. The two inner side walls of the first receiving groove 131 are recessed with a card slot 14 , and the mounting portion 12 is provided with a connecting block 15 connected to the abutting portion 11 , and the two sides of the connecting block 15 are respectively recessed with slots 151. A partition wall 16 is disposed between the two adjacent first receiving grooves 131. The card slot 14 is recessed on both sides of the partition wall 16, and a spacer block 161 is protruded from the rear end of the partition wall 16. The two sides of the mounting portion 12 are provided with protrusions 122 protruding downward, and the protrusions 122 are used for soldering to the circuit board.

Referring to the fifth embodiment and the third and fourth figures, the power supply terminal pair 20 includes two power supply terminals 21 disposed opposite each other, and each of the power supply terminals 21 is fixedly held in the first receiving slot 131. The portion 212 is a contact portion 211 extending from one end of the holding portion 212 and a welded portion 213 extending from the other end of the holding portion 212. The two sides of the holding portion 212 are respectively provided with outwardly protruding protrusions 2121 and barbs 2122, and the barbs 2122 are disposed on the side of the holding portion 212 near the contact portion 211, and the protruding portion 2121 is disposed on the holding portion. 212 is near the side of the welded portion 213.

In the pair of power terminal pairs 20, the barbs 2122 are correspondingly received in the card slot. 14, one of the protruding portions 2121 of the power terminal 21 is correspondingly received in the slot 151, and the protruding portion 2121 of the other power terminal 21 is abutted between the two adjacent spacers 161, thereby not only The power terminal pair 20 is securely received in the first receiving slot 131, and the power terminal pair 20 is prevented from moving when the docking device is docked, thereby improving the docking stability.

The contact portion 211 includes a first contact arm 2111 and a second contact arm 2112 which are disposed apart from each other. The first contact arm 2111 is provided with a first contact region 2113, and the second contact arm 2112 is provided with a second contact region 2114. The first contact region 2113 and the second contact region 2114 are disposed in front and rear offset positions, thereby enhancing the heat dissipation effect.

In the embodiment, the first contact arm 2111 and the second contact arm 2112 extend in a V shape in the thickness direction of the power connector 100. The length of the first contact arm 2111 is smaller than the length of the second contact arm 2112, and the front end surface 2115 of the first contact arm 2111 is located behind the front end surface 2116 of the second contact arm 2112. A gap 2117 is provided between the first contact arm 2111 and the second contact arm 2112. The gap 2117 can be used as a knife for the reserved stamping process or as a heat dissipation port, and has dual functions. A spacer 17 is disposed in the first receiving groove 131. When the power terminal 21 is received in the first receiving slot 131, the spacer 17 is received in the gap 2117 to space the first contact arm 2111 and the second contact. The arm 2112 prevents the adjacent first contact arm 2111 and the second contact arm 2112 from interfering with each other.

Referring to FIG. 6 and the third and fourth figures, the signal terminal pair 30 includes two signal terminals 31 disposed opposite each other. Each of the signal terminals 31 includes an insertion portion 312 extending from one end of the insertion portion 312. The plug portion 311 and the lead 313 extending from the other end of the insertion portion 312. The insertion portion 311 is received in the second receiving groove 132 and partially protrudes into the mating groove 112 to The docking device is electrically connected. A lap portion 3111 is disposed at the front end of the plug portion 311, and the lap joint 133 is matched with the lap portion 3111. The lap portion 3111 is overlapped on the lap block 133. In order to prevent the signal terminal 31 from being thinned and easily deformed or even damaged when docked with the docking device.

The barbs 3121 and the protrusions 3122 are respectively disposed on the two sides of the insertion portion 312, and the barbs 3121 are disposed on the side of the insertion portion 312 adjacent to the insertion portion 311, and the protrusions 3122 are disposed on the insertion portion 312. Close to the side of pin 313. a slot 14 is also defined in the inner wall surface of the second receiving slot 132. The connecting block 15 at the second receiving slot 132 is also recessed with a slot 151. The protruding portion 3122 is correspondingly received in the slot. In the 151, the barbs 3121 are in interference with the card slot 14 . Therefore, not only the signal terminal pair 30 can be stably received in the second receiving slot 132 , but also the signal terminal pair 30 can be prevented from moving when docked with the docking device. Improve docking stability.

The pins 313 are received and fixed in the limiting block 40, and the pins 313 are integrally divided into four rows, and the adjacent two rows of pins 313 are spaced apart from each other, thereby enhancing the grip force when soldering with the circuit board.

The limiting block 40 is disposed in a stepped manner, and the limiting block 40 is provided with a through slot 41 for inserting and receiving the pin 313. The two blocks are protruded from the limiting block 40. The mounting portion 12 is provided with a receiving cavity 123 for receiving the limiting block 40. The two inner side walls of the receiving cavity 123 are recessed with a recess 124. The protruding block 42 is received in the recess 124. The limiting block 40 and the insulative housing 10 are constrained by the cooperation of the bump 42 and the recess 124.

Referring to Figures 7 through 10, a second embodiment of the present power connector 100' is illustrated. In the present embodiment, the structure of the power connector 100' and the aforementioned power connector 100 The structure is substantially the same, and the only difference is that: 1. The spacer body 17 is not disposed in the insulative housing 10'; and the structure of the power terminal 21' is different. The following content will mainly explain the difference structure in detail, and other similar structures will not be described again.

In the present embodiment, the first contact arm 2111' and the second contact arm 2112' of the power supply terminal 21' extend in a V-shape in the thickness direction of the power connector 100'. The length of the first contact arm 2111' is less than the length of the second contact arm 2112', and the front end face 2115' of the first contact arm 2111' is located behind the second contact region 2114' of the second contact arm 2112'. The front end of the second contact arm 2112' extends laterally to both sides such that the width of the front end face 2116' of the second contact arm 2112' is equal to the width of the contact portion 211', thereby increasing the contact area of the second contact arm 2112'. .

The two sides of the second contact arm 2112' are recessed with recesses 2118, respectively, to space the second contact arm 2112' from the first contact arm 2111'. The recess 2118 is recessed on the side of the second contact arm 2112' near the holding portion 212' and can be used as a heat dissipation port. It can be seen from the tenth figure that since the front end surface 2115' of the first contact arm 2111' is located behind the second contact area 2114', and the first contact arm 2111' and the second contact arm 2112' extend in different planes, and the second The two sides of the contact arm 2112' are provided with a notch 2118. Therefore, not only the effect of the first contact arm 2111' and the second contact arm 2112' can be achieved, but also a better heat dissipation effect can be achieved. Then, the spacers 17 are not required to be disposed in the first receiving slots 131 of the insulative housing 10' to space the first contact arms 2111' and the second contact arms 2112'.

Of course, the power terminal 21 ′ has another embodiment. The power terminal 21 ′ of the embodiment is different from the power terminal 21 ′ only in that the front end of the second contact arm 2112 ′ is provided with a plurality of openings 2119 to When it is docked with the docking device, it plays the role of heat dissipation. Please refer to Figure 11 for the structure.

Referring to Figures 12 through 17, a third embodiment of the present power connector 100"" is shown. In the present embodiment, the structure of the power connector 100''' is substantially the same as that of the power connector 100' (second embodiment) described above, and the main difference is that the structure of the power terminal 21''' is different. The following content will mainly explain the structure of the power terminal 21''', and other similar structures will not be described again.

In the present embodiment, the first contact arm 2111 ′′′ of the power terminal 21 ′′′ and the second contact arm 2112 ′′′ are tear-formed, and the first contact area 2113 ′′′ and the second contact area are formed. 2114''' is roughly in the same plane. Specifically, the first contact area 2113 ′′ and the second contact area 2114 ′′ are arranged in front and rear offset; of course, the first contact area 2113 ′′ and the second contact area 2114 ′′′ can also be set. They are on the same line.

The second contact arm 2112 ′′′ includes an extending portion 2115 ′′′ extending from the front end of the contact portion 211 ′′′, a rotating portion 2116 ′′′ that is rotated from the end of the extending portion 2115 ′′′, and the self-turning portion 2116 ′′ The end extending rearward extension 2117"" is formed on the aforementioned reverse extension 2117"". The first contact arm 2111 ′′′ extends in a V shape in the thickness direction of the power connector 100 ′′′, and the extension portion 2115 ′′′ of the second contact arm 2112 ′′′ extends horizontally and has a reverse extension 2117 ''' extends in a V shape, and the contact portion 211''' has a P-shape as viewed in the width direction of the power connector 100''.

A gap is provided between the first contact arm 2111"" and the aforementioned reverse extension 2117"" to avoid interference between the first contact arm 2111"" and the reverse extension 2117"". The width of the front end of the first contact area 2113 ′′′ is gradually decreased, and the width of the front end of the second contact area 2112 ′′′ is gradually decreased. Of course, the aforementioned first contact arm The front end of the 2111''' and the second contact arm 2112''' may also be designed to be equal in width, which is subject to actual needs, and is not limited herein.

In summary, the power connector 100, 100', 100"' of the present invention designs the contact portions 211, 211', 211"' of the power terminals 21, 21', 21", 21"' to be The first contact arms 2111, 2111 ′, 2111 ′′′ and the second contact arms 2112 2112′′, 2112 ′′′ are disposed at intervals while being disposed on the first contact arms 2111 , 2111 ′, 2111 ′′′ First contact regions 2113, 2113", second contact regions 2114, 2114', 2114"' are disposed on the second contact arms 2112, 2112', 2112"", and the first contact regions 2113, 2113' ''The second contact area 2114, 2114', 2114''' is arranged in front and rear offset, so that not only the flatness of the contact area can be ensured, but also the heat dissipation effect between the contact areas is better, and then the current is increased. Output efficiency.

It is to be understood that the equivalent changes to the present invention made by the teachings of the present invention should be included in the scope of the present invention.

100‧‧‧Power connector

10‧‧‧Insulated body

11‧‧‧Docking Department

111‧‧‧ docking surface

112‧‧‧ docking slot

12‧‧‧Installation Department

131‧‧‧First storage trough

132‧‧‧Second holding trough

16‧‧‧ partition wall

17‧‧‧ Spacer

20‧‧‧Power terminal pair

Claims (10)

A power connector includes: an insulative housing having a mating surface, a mounting surface disposed opposite the mating surface, and a receiving slot extending through the mating surface and the mounting surface; a plurality of power terminal pairs disposed in the receiving slot, the pair of power terminals The device includes two opposite power terminals, each of which has a holding portion held in the receiving groove, a contact portion extending from one end of the holding portion, and a welding portion extending from the other end of the holding portion; wherein the contact portion includes a first contact arm and a second contact arm disposed at a distance from each other, the first contact arm is provided with a first contact area, the second contact arm is provided with a second contact area, and the first contact area and the second contact area are Before and after the misplacement setting. The power connector of claim 1, wherein the length of the first contact arm is smaller than the length of the second contact arm, and the front end face of the first contact arm is located behind the front end face of the second contact arm. The power connector of claim 2, wherein a gap is formed between the first contact arm and the second contact arm, and a spacer is disposed in the receiving slot, and the spacer is received in the gap to The first contact arm and the second contact arm are spaced apart. The power connector of claim 2, wherein the front end of the second contact arm extends laterally to both sides such that the width of the front end face of the second contact arm is equal to the width of the contact portion. The power connector of claim 4, wherein the front end of the second contact arm is provided with a plurality of openings. The power connector of claim 4, wherein the two sides of the second contact arm are respectively recessed to separate the second contact arm from the first contact arm, and before The recess is recessed on the side of the second contact arm adjacent to the holding portion. The power connector of claim 1, wherein the first contact arm and the second contact arm extend in a V shape in a thickness direction of the power connector. The power connector of claim 1, wherein the second contact arm includes an extending portion extending from a front end of the contact portion, a rotating portion rotating from an end of the extending portion, and a reverse extending portion extending from an end of the rotating portion. The aforementioned second contact region is formed on the reverse extension. The power connector of claim 8, wherein the first contact arm and the second contact arm are torn, and a gap is provided between the first contact arm and the reverse extending portion. The power connector of claim 8, wherein the first contact arm extends in a V shape in a thickness direction of the power connector, and the extension portion of the second contact arm extends horizontally and the reverse extension portion is V. The font extends, and the contact portion is P-shaped as viewed in the width direction of the power connector.