TWI397216B - Power receptacle, power plug and power connector assembly thereof - Google Patents

Description

Socket power connector, plug power connector, and combinations thereof

The present invention relates to a socket power connector, a plug power connector, and a combination thereof, and more particularly to a socket power connector, a plug power connector, and a combination thereof having a good heat dissipation effect.

The industry usually uses a mutual power connector and a female power connector to achieve power transmission. Of course, in the process of mating the male and female power connectors with each other, heat is generated by the influence of the conductor impedance. If these heats are confined in the insulating body, the internal temperature of the insulating body is continuously affected by high temperature, which may cause the following unfavorable conditions, which may cause safety problems in severe cases:

1. The parts where the conductors are in contact with each other may have carbon deposits, burnt black, melt and elastic variations.

2. The insulating body may be deformed, foamed, blackened and melted, and the material may be mutated.

3. If the client monitors the temperature of the product, if the temperature is too high, there will be problems such as malfunction (downtime).

A male power connector and a female power connector of the prior art are disclosed in U.S. Patent No. 6,994,598 B2, the entire disclosure of which is incorporated herein by reference. It is enclosed in the corresponding insulating body, resulting in poor heat dissipation.

Therefore, it is necessary to improve the defects in the prior art to provide a good heat dissipation effect for the socket power connector, the plug power connector, and combinations thereof.

The technical problem to be solved by the present invention is to provide a socket power connector, a plug power connector and a combination thereof which have better heat dissipation effects.

In order to solve the above technical problem, the present invention adopts the following technical solution: a socket power connector, comprising a socket insulation body and a socket power terminal mounted in the socket insulation body; the socket insulation body comprises a base portion and a docking portion of the protruding base, The docking portion is provided with a first mating surface for mating with the mating connector, the base portion is provided with a first mounting surface opposite to the first mating surface, and the socket insulating body is further provided with the first mating surface and the first a receiving slot for receiving the socket power terminal; the socket power terminal includes a first contact portion in the receiving slot and a first mounting portion extending from the first mounting surface; the docking portion is provided with an upper surface and a lower surface, at least one of the upper surface and the lower surface is formed with a first heat dissipation channel communicating with the receiving groove, and the first heat dissipation channel further extends through the first mounting surface; wherein the socket insulation body is provided through the first a first slot that communicates with the first mounting surface and the first heat dissipation channel, and the first slot is laterally located at the adjacent two plug power terminals Between.

Further, the first heat dissipation channel is formed on the upper surface of the abutting portion, the abutting portion extends horizontally forward from the base portion, and the abutting portion is contracted compared to the base portion, and the base portion is provided with a top portion higher than the upper surface of the abutting portion a wall; the first heat dissipation channel extends forward and backward and is recessed upward into the top wall to enlarge the size of the first heat dissipation channel.

Further, the first slot includes a first vertical slot, a second vertical slot aligned with the first vertical slot, and a first recess between the first and second vertical slots, The first groove communicates with the first and second vertical grooves in the vertical direction.

Further, the first groove is arcuate and the horizontal width of the first groove is greater than the horizontal width of the first and second vertical grooves.

Further, the upper surface and the lower surface are respectively provided with a first heat dissipation channel, and the first heat dissipation channel of the upper surface and the first heat dissipation channel of the lower surface are aligned in the vertical direction.

The purpose of the present invention can also be achieved by the following technical solutions: a plug power connector including a plug insulating body and a plug power terminal mounted in the plug insulating body; the plug insulating body including an end portion and a protruding end receiving portion The receiving portion is provided with a second docking And a receiving cavity recessed from the second mating surface for receiving the mating connector, the receiving portion is provided with a top wall and a bottom wall, and the receiving cavity is located between the top wall and the bottom wall; the end portion a second mounting surface opposite to the second mating surface; the plug power terminal includes a second contact portion extending into the receiving cavity and a second mounting portion extending from the second mounting surface; at least the top wall and the bottom wall One of the inner surfaces is provided with a second heat dissipation channel exposed to the receiving cavity, and the second heat dissipation channel further extends through the second mounting surface; wherein the end portion is provided with a front end surface exposed to the receiving cavity and a front end surface And a second slot of the second mounting surface, the second slot is in communication with the second heat dissipation channel, and the second slot is laterally located between the adjacent two plug power terminals.

Further, the second heat dissipation channel extends forward and backward and is recessed into the end portion to further enlarge the size of the second heat dissipation channel.

Further, the inner surface of the top wall and the inner surface of the bottom wall are each provided with a second heat dissipation channel, and the second heat dissipation channel penetrates the second abutment surface.

The purpose of the present invention can also be achieved by the following technical solutions: a power connector assembly comprising a mating socket power connector and a plug power connector, wherein: the socket power connector comprises a socket insulating body and is mounted in the socket insulating body a socket power supply terminal; the socket insulation body includes a first abutting surface, a first mounting surface, and a receiving groove recessed from the first mating surface; the socket power terminal includes a first contact portion located in the receiving groove And a first mounting portion extending from the first mounting surface; the plug power connector includes a plug insulating body and a plug power terminal mounted in the plug insulating body; the plug insulating body includes a second abutting surface and a second oppositely disposed a mounting surface and a receiving cavity recessed from the second mating surface for receiving the socket insulating body, the plug insulating body is provided with a top wall and a bottom wall, and the receiving cavity is located between the top wall and the bottom wall; The plug power terminal includes a second contact portion extending into the receiving cavity for mating with the first contact portion, and a second extending portion extending from the second mounting surface The socket insulating body is provided with a first heat dissipation channel that communicates with the receiving slot and penetrates the first mounting surface; at least one of the top wall and the bottom wall of the plug insulating body is disposed to communicate with the receiving cavity and penetrate the second mounting a second heat dissipation channel, wherein the first heat dissipation channel and the second heat dissipation channel are mutually penetrated; wherein the socket insulation body is provided with a first through the first interface and the first mounting surface The plug insulating body is provided with a second slot extending through the second mating surface and the second mounting surface; the first and second slots are mutually penetrated and penetrate the first and second heat dissipating passages.

Further, the first contact portion has a hollow cylindrical shape, the second contact portion has a cylindrical shape, and the second contact portion is inserted into the first contact portion to achieve a connection.

Further, the socket insulating body includes an abutting portion of the base portion and the protruding base, the first abutting surface is located on the abutting portion, the first mounting surface is located on the base portion, and the receiving groove extends through the first mounting surface; The abutting portion is contracted relative to the base portion; the base portion is provided with a top wall higher than the upper surface of the abutting portion; the first heat dissipating passage penetrates the upper surface and is recessed upward into the top wall to further enlarge the first heat dissipating passage size.

Further, in the length interval of the docking portion, the second heat dissipation channel is located above the first heat dissipation channel.

Further, the plug insulating body includes an end portion and a receiving portion of the protruding end portion, the second mating surface is located on the receiving portion, the second mounting surface is located at the end portion, and the end portion is provided to be exposed to the receiving cavity. The front end surface, the second contact portion protrudes from the front end surface, and a heat dissipation space is formed between the first abutting surface and the front end surface, and the heat dissipation space penetrates the first and second heat dissipation channels.

Compared with the prior art, the first and second heat dissipation channels of the combination of the original socket power connector, the plug power connector and the power connector are connected to the first and second contacts on the one hand, and the first through the first on the other hand. The second mounting surface increases the convection between the first and second contact portions and the air, and thus has a good heat dissipation effect, so that the socket insulating body and the plug insulating body are free from deformation, foaming, blackening, and material variation. Etc.

Referring to the first, third and fifth figures, the present power connector assembly 300 includes a socket power connector 100 and a plug power connector 200 that cooperate with each other.

Referring to the first and second figures, the socket power connector 100 includes a socket insulation body 1 and a plurality of socket power terminals 2 mounted in the socket insulation body 1. The socket power terminals 2 are arranged in two rows in the lateral direction and are arranged in alignment in the vertical direction. The socket insulation The body 1 includes abutment 12 of the base 11 and the protruding base 11. The base portion 11 is provided with a top wall 111, a bottom wall 112, a front surface 113 and a first mounting surface 114 opposite to the front surface 113. The abutting portion 12 is integrally extended forward from the front surface 113 of the base portion 11 , and the abutting portion 12 is contracted with respect to the base portion 11 . The abutting portion 12 includes an upper surface 121, a lower surface 122, and a first abutting surface 123 perpendicular to the upper and lower surfaces 121, 122. The top wall 111 and the bottom wall 112 of the base portion 11 are located on the outer side of the upper and lower surfaces 121 and 122 of the abutting portion 12 in the vertical direction, that is, the top wall 111 of the base portion 11 is higher than the upper surface 121 of the abutting portion 12; the base portion 11 The bottom wall 112 projects downwardly from the lower surface 122 of the abutment portion 12. The socket insulative housing 1 is provided with a plurality of receiving slots 124 extending through the first mating surface 123 and the first mounting surface 114 and a first slot 125 extending between the two adjacent receiving slots 124 in the lateral direction. The receiving slot 124 is configured to receive the socket power terminal 2 . The upper and lower surfaces 121 and 122 of the abutting portion 12 are respectively provided with a first heat dissipation channel 126 extending forward and backward. The first heat dissipation channel 126 is in communication with the corresponding receiving groove 124, and the first heat dissipation channel 126 is further concave. The top wall 111 and the bottom wall 112 of the base portion 11 are enlarged to enlarge the size of the first heat dissipation passage 126, thereby forming a more spacious heat dissipation space. The first heat dissipation channels 126 formed at corresponding positions of the upper and lower surfaces 121 and 122 of the abutting portion 12 are aligned with each other in the vertical direction.

As shown in the first figure, the first heat dissipation channel 126 does not extend forward through the first interface surface 123. The purpose of the first heat dissipation channel 126 is to ensure that the socket insulation body 1 has sufficient strength to mount the socket power terminal 2. The first slot 125 is also in communication with the receiving slot 124 and includes a first vertical slot 1251 , a second vertical slot 1252 aligned with the first vertical slot 1251 , and a first and second vertical slot 1251 . a first groove 1253 between the first and second vertical grooves 1251 and 1252 in a vertical direction. The first groove 1253 is arcuate and the horizontal width of the first groove 1253 is greater than the horizontal width of the first and second vertical grooves 1251, 1252. The two sides of the abutting portion 12 are provided with a pair of guiding posts 127 whose outer surface is curved and protrudes forwardly from the first abutting surface 123, which can guide the socket power connector 100 to be in contact with the plug power connector 200.

Please refer to the first figure to the second figure and the seventh figure, the socket power terminal 2 includes the first positioning. The portion 21 has a first contact portion 22 extending forward from the first positioning portion 21 and a first mounting portion 23 extending rearward from the first positioning portion 21. The first contact portion 22 is hidden in the receiving groove 124 and does not protrude from the first mating surface 123 . The first contact portion 22 has a hollow cylindrical shape and is provided with a housing path 221 . The first mounting portion 23 is cylindrical and extends beyond the first mounting surface 114 .

Referring to the third and fourth figures, the plug power connector 200 includes a plug insulative housing 3 and a plurality of plug power terminals 4 mounted in the plug insulative housing 3. The plug insulating body 3 includes an end portion 31 and a receiving portion 32 extending integrally from the end portion 31. The receiving portion 32 includes a top wall 321 , a bottom wall 322 , two side walls 323 connecting the top wall 321 and the bottom wall 322 , a second abutting surface 324 of the vertical top wall 321 and the bottom wall 322 , and a second abutting surface 324 is a recessed receiving cavity 325. The end portion 31 includes a front end surface 311 exposed to the receiving cavity 325 , a second mounting surface 312 opposite to the front end surface 311 , and a plurality of second slots 313 extending through the front end surface 311 and the second mounting surface 312 . The second slot 313 is identical in structure and aligned with the first slot 125 of the receptacle power connector 100.

The top wall 321 of the receiving portion 32 and the inner surface of the bottom wall 322 are respectively provided with a second heat dissipation passage 33 penetrating the second abutting surface 324 forward. The second heat dissipation channel 33 communicates with the receiving cavity 325, and the second heat dissipation channel 33 further penetrates the second mounting surface 312 backward, thereby allowing the receiving cavity 325 to communicate with the outside air. The second heat dissipation passage 33 is recessed in the vertical direction toward the inside of the end portion 31, thereby forming a more spacious heat dissipation space 5.

The plug power terminal 4 includes a cylindrical second contact portion 41 that extends into the receiving cavity 325 and a cylindrical second mounting portion 42 that extends out of the second mounting surface 312. The second slot 313 is located between the two adjacent plug power terminals 4 in the lateral direction.

Referring to FIGS. 5 to 8 , when the socket power connector 100 and the plug power connector 200 are engaged with each other, the abutting portion 12 of the socket power connector 100 is received by the guide post 127. The plug power connector 200 is received in the receiving cavity 325. At this time, the second contact portion 41 of the plug power terminal 4 is housed in the housing path 221 of the first contact portion 22 of the socket power terminal 2 to achieve contact between the two. The heat dissipation path of the creation power connector assembly 300 is shown in the dotted arrows of the fifth to seventh and ninth diagrams, and the socket power connector The first slot 125 of the 100 is aligned with and communicates with the second slot 313 of the plug power connector 200. The first slot 125 and the second slot 313 are used to increase the heat dissipation path to achieve better heat dissipation. effect. The first heat dissipation passage 126 of the outlet power connector 100 penetrates the second heat dissipation passage 33 of the plug power connector 200 and is in communication with the outside air. Referring to FIG. 7 , the second heat dissipation channel 33 is located above the first heat dissipation channel 126 in the length interval of the abutting portion 12 . Referring to FIG. 5 to FIG. 7 , since most of the heat generated by the power connector is concentrated at the position of the terminal contact portion, the first and second heat dissipation channels are penetrated at the position of the terminal contact portion. 126, 33, and the generated heat is released into the air through the first and second heat dissipation channels 126, 33 and the first and second slots 125, 313, thereby improving the heat dissipation speed.

In addition, referring to FIGS. 7 and 8 , a heat dissipation space 5 is formed between the first mating surface 123 of the socket power connector 100 and the front end surface 311 of the end portion 31 of the plug power connector 200 . The heat dissipation space 5 communicates with the first and second heat dissipation channels 126 and 33 and the first and second slots 125 and 313, thereby increasing the contact area between the socket power terminal 2 and the plug power terminal 4 and the air, and enhancing air convection. Further, the heat is dissipated (refer to the eighth and ninth diagrams), so that the socket insulating body 1 and the plug insulating body 3 are free from deformation, foaming, blackening of the coke, material variation, and the like.

In summary, this creation has indeed met the requirements of the invention patent, and applied for a patent in accordance with the law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Socket power connector

1‧‧‧Socket insulation body

11‧‧‧ base

111‧‧‧ top wall

112‧‧‧ bottom wall

113‧‧‧ front surface

114‧‧‧First mounting surface

12‧‧‧Docking Department

121‧‧‧ upper surface

122‧‧‧ lower surface

123‧‧‧First docking surface

124‧‧‧storage trough

125‧‧‧First slotting

1251‧‧‧first vertical slot

1252‧‧‧Second vertical slot

1253‧‧‧First groove

126‧‧‧First heat dissipation channel

127‧‧‧ Guide column

200‧‧‧ plug power connector

2‧‧‧Socket power terminal

21‧‧‧First Positioning Department

22‧‧‧First contact

221‧‧‧ Containment Road

23‧‧‧First Installation Department

300‧‧‧Power connector assembly

3‧‧‧plug insulation body

31‧‧‧ End

311‧‧‧ front end

312‧‧‧Second mounting surface

313‧‧‧Second slotting

32‧‧‧ Housing Department

321‧‧‧ top wall

322‧‧‧ bottom wall

323‧‧‧ side wall

324‧‧‧ second docking surface

325‧‧‧ containment chamber

33‧‧‧Second heat dissipation channel

4‧‧‧ plug power terminal

41‧‧‧Second contact

42‧‧‧Second Installation Department

5‧‧‧heating space

The first figure is a three-dimensional combination of the power socket connector of the present invention.

The second figure is a three-dimensional combination of the other angles of the first figure.

The third figure is a three-dimensional combination diagram of the plug power connector of the present invention.

The fourth figure is a three-dimensional combination of the other angles of the third figure.

The fifth picture is a three-dimensional combination of the combination of the original power connector.

The sixth figure is a three-dimensional combination of the other angles of the fifth figure.

The seventh figure is a cross-sectional view of the present power connector assembly taken along the line VII-VII in the fifth figure.

The eighth figure is a cross-sectional view of the present power connector assembly taken along the line VIII-VIII in the sixth diagram.

The ninth figure is a partial enlarged view of the circled portion in the eighth figure.

123‧‧‧First docking surface

126‧‧‧First heat dissipation channel

21‧‧‧First Positioning Department

22‧‧‧First contact

221‧‧‧ Containment Road

23‧‧‧First Installation Department

300‧‧‧Power connector assembly

311‧‧‧ front end

33‧‧‧Second heat dissipation channel

41‧‧‧Second contact

5‧‧‧heating space

Claims (13)

A socket power connector includes: a socket insulation body, the socket insulation body includes an abutting portion of a base portion and a protruding base, the docking portion is provided with a first abutting surface for mating with the mating connector, the base portion is provided a first mounting surface opposite to the first mating surface, the socket insulating body further includes a receiving slot extending through the first mating surface and the first mounting surface for receiving the socket power terminal; the mating portion is provided with an upper surface and a lower surface, at least one of the upper surface and the lower surface is formed with a first heat dissipation channel communicating with the receiving groove, and the first heat dissipation channel further extends through the first mounting surface; and at least one socket power terminal is mounted on The socket power supply terminal includes a first contact portion located in the receiving slot and a first mounting portion extending from the first mounting surface; wherein the socket insulating body is disposed through the first mating surface and the first mounting And a first slot communicating with the first heat dissipation channel, the first slot being laterally located between the adjacent two plug power terminals. The socket power connector of claim 1, wherein the first heat dissipation channel is formed on the upper surface of the abutting portion, the abutting portion extends horizontally forward from the base portion, and the abutting portion is contracted relative to the base portion, The base portion is provided with a top wall higher than the upper surface of the abutting portion; the first heat dissipation passage extends forward and backward and is recessed upward into the top wall to enlarge the size of the first heat dissipation passage. The socket power connector of claim 1, wherein the first slot comprises a first vertical slot, a second vertical slot aligned with the first vertical slot, and located in the first and second a first groove between the vertical grooves, the first groove being in communication with the first and second vertical grooves in a vertical direction. The socket power connector of claim 3, wherein the first groove is arcuate and the horizontal width of the first groove is greater than a horizontal width of the first and second vertical grooves. The socket power connector of claim 1, wherein the upper surface and the lower surface are respectively provided with a first heat dissipation channel, and the first heat dissipation channel of the upper surface and the first heat dissipation channel of the lower surface are vertical Align the settings in the direction. A plug power connector includes: a plug insulating body, the plug insulating body includes an end portion and a receiving portion of the protruding end portion, the receiving portion is provided with a second abutting surface and is recessed from the second mating surface and used for a receiving cavity for receiving the mating connector, the receiving portion is provided with a top wall and a bottom wall, and the receiving cavity is located between the top wall and the bottom wall; the end portion is provided with a second mounting opposite to the second abutting surface The inner surface of one of the top wall and the bottom wall is provided with a second heat dissipation channel exposed to the receiving cavity, and the second heat dissipation channel further extends through the second mounting surface; and at least one plug power terminal is fastened Mounted in the plug insulation body, the plug power terminal includes a second contact portion extending into the receiving cavity and a second mounting portion extending from the second mounting surface; wherein the end portion is provided with a front end surface exposed to the receiving cavity And a second slot extending through the front end surface and the second mounting surface, the second slot is in communication with the second heat dissipation channel, and the second slot is laterally located between the adjacent two plug power terminals. The plug power connector of claim 6, wherein the second heat dissipation channel extends forward and backward and is recessed into the end portion to further enlarge the size of the second heat dissipation channel. The plug power connector of claim 6, wherein the inner surface of the top wall and the inner surface of the bottom wall are provided with a second heat dissipation channel, and the second heat dissipation channel extends through the second abutment surface. A power connector assembly includes a socket power connector and a plug power connector, wherein: the socket power connector comprises a socket insulation body and a socket power terminal mounted in the socket insulation body; the socket insulation body comprises a relative setting a first mating surface, a first mounting surface, and a receiving groove recessed from the first mating surface; the socket power terminal includes a first contact portion located in the receiving groove and a first mounting portion extending from the first mounting surface; The plug power connector includes a plug insulating body and a plug power terminal mounted in the plug insulating body; the plug insulating body includes a second abutting surface, a second mounting surface and a recessed from the second mating surface The socket insulating body is provided with a top wall and a bottom wall, and the receiving cavity is located between the top wall and the bottom wall; the plug power terminal includes an extension into the receiving cavity and is used for a second contact portion of the first contact portion and a second mounting portion extending from the second mounting surface; the socket insulation body is provided to communicate with the receiving slot a first heat dissipation channel extending through the first mounting surface; at least one of the top wall and the bottom wall of the plug insulating body is provided with a second heat dissipation channel communicating with the receiving cavity and penetrating the second mounting surface, and the first heat dissipation channel and the second heat dissipation channel The heat dissipation channels are connected to each other; The socket insulating body is provided with a first slot extending through the first mating surface and the first mounting surface; the plug insulating body is provided with a second slot extending through the second mating surface and the second mounting surface; 1. The second slots are mutually penetrated and penetrate the first and second heat dissipation channels. The power connector assembly of claim 9, wherein the first contact portion is a hollow cylindrical shape, the second contact portion is cylindrical, and the second contact portion is inserted into the first contact portion. To reach a connection. The power connector assembly of claim 9, wherein the socket insulation body comprises an abutting portion of the base portion and the protruding base, the first abutting surface is located on the abutting portion, and the first mounting surface is located on the base portion. The receiving groove extends through the first mounting surface; the abutting portion is contracted relative to the base portion; the base portion is provided with a top wall higher than the upper surface of the abutting portion; the first heat dissipation channel penetrates the upper surface and is upward The recess is recessed into the top wall to further enlarge the size of the first heat dissipation passage. The power connector assembly of claim 11, wherein the second heat dissipation channel is located above the first heat dissipation channel during the length of the abutting portion. The power connector assembly of claim 9, wherein the plug insulating body comprises an end portion and a receiving portion of the protruding end portion, the second mating surface is located on the receiving portion, and the second mounting surface is located at the end portion. The end portion is provided with an end surface exposed to the receiving cavity, the second contact portion protrudes from the front end surface, and a heat dissipating space is formed between the first mating surface and the front end surface, and the heat dissipating space and the first and second heat dissipating channels are formed. Through.