CN107482333B - Connectors, Connector Assemblies, Power Assemblies and Terminal Equipment - Google Patents

Abstract

The invention provides a connector, a connector assembly, a power supply assembly and a terminal device. The connector comprises a body and a terminal arranged on the body; the heat dissipation device is characterized in that heat dissipation holes are formed in the outer surface of the body, and the body is connected with a heat conduction portion. The connector assembly comprises a circuit board and the connector; wherein the heat conducting portion is connected to the circuit board, and the terminal is electrically connected to the circuit board. The power supply assembly comprises a battery and the connector; and a flexible circuit board is led out of the battery, and the battery is connected with the connector through the flexible circuit board. The terminal equipment comprises a shell, a mainboard and the connector, wherein the mainboard and the connector are arranged in the shell; wherein the heat conducting portion is connected to the housing or the main board, and the terminal is electrically connected to the main board. The scheme of the invention can solve the problem of overheating of the connector.

Description

Connectors, Connector Assemblies, Power Assemblies and Terminal Equipment

technical field

The invention relates to the field of electronic products, in particular to a connector, a connector assembly, a power supply assembly and a terminal device.

Background technique

Connectors are widely used in terminal equipment. The connector will generate heat during the working process. Excessive heat will increase the resistivity of the connector, resulting in electrical performance deterioration and affecting the normal operation of the terminal equipment.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a connector, a connector assembly, a power supply assembly and a terminal device, which can solve the problem of overheating of the connector.

A connector comprising a heat conducting part, a body and terminals arranged on the body; a heat dissipation hole is arranged on the outer surface of the body; the heat conducting part is located outside the body and is connected with the body Body connection.

Wherein, the heat conduction part includes a plurality of first heat dissipation plates arranged at intervals, a second heat dissipation plate is sandwiched between two adjacent first heat dissipation plates, and the area of a single first heat dissipation plate is larger than that of a single first heat dissipation plate. The area of the second heat dissipation plate; the first heat dissipation plate located on the outermost side is connected to the body.

Wherein, the heat conduction part includes a plurality of first heat dissipation plates arranged at intervals, a second heat dissipation plate is sandwiched between two adjacent first heat dissipation plates, and the area of a single first heat dissipation plate is larger than that of a single first heat dissipation plate. the area of the second heat dissipation plate; at least one of the first heat dissipation plate is connected to the body.

Wherein, among the plurality of first heat dissipation plates, the first heat dissipation plate that is not connected to the body is provided with pins.

Wherein, the first heat dissipation plate and the second heat dissipation plate are fixed by means of crimping, riveting, screwing or bonding.

Wherein, the heat conducting part includes two first cylinders and a second cylinder connected between the two first cylinders, and the radial dimension of the first cylinder is larger than that of the second cylinder the radial dimension, one of the two first cylinders is connected with the body.

Wherein, the heat-conducting portion includes a plastic frame disposed on the main body, the plastic frame is filled with thermally conductive adhesive, and the thermally conductive adhesive is in contact with the main body.

Wherein, the connector further includes a base accommodated in the body, and a plurality of the terminals are arranged on the base at intervals.

Wherein, the connector is a board-to-board connector.

A connector assembly includes a circuit board and the above-mentioned connector; wherein, the heat conducting part is connected to the circuit board, and the terminal is electrically connected to the circuit board.

A power supply assembly includes a battery and the above connector; wherein a flexible circuit board is drawn out from the battery, and the battery is connected to the connector through the flexible circuit board.

A terminal device, comprising a housing, a main board and the above-mentioned connector, wherein the main board and the connector are both arranged in the housing; wherein, the heat conducting part is connected to the housing or the main board, and the The terminals are electrically connected to the main board.

Wherein, it also includes a battery provided in the casing, a flexible circuit board is drawn out from the battery, and the battery is connected to the connector through the flexible circuit board.

In the solution of the present invention, the heat on the terminal is dissipated through the heat dissipation hole on the body. Heat on the terminals is also transferred to the body. Through the heat-conducting portion, the body can transfer heat to a circuit board with a larger area, and dissipate the heat through the circuit board. Therefore, through convection heat dissipation and contact heat conduction and heat dissipation, excessive heat accumulation in the connector can be avoided, the temperature rise of the connector is prevented from being too high, and the performance of the connector is guaranteed.

Description of drawings

In order to illustrate the structural features and effects of the present invention more clearly, the following detailed description will be given in conjunction with the accompanying drawings and specific embodiments.

1 is a schematic axonometric view of a connector according to a first embodiment of the present invention;

Fig. 2 is the assembly axonometric schematic diagram of the connector and the circuit board in Fig. 1;

Figure 3 is a schematic front view of the components in Figure 2;

4 is a schematic front view of the assembly structure of the connector and the circuit board according to the second embodiment of the present invention;

5 is a schematic front view of an assembly structure of a connector and a circuit board according to a third embodiment of the present invention;

6 is a schematic front view of the assembly structure of the connector and the circuit board according to the fourth embodiment of the present invention;

7 is a schematic front view of a terminal device according to an embodiment of the present invention;

FIG. 8 is an enlarged axonometric schematic view at I in FIG. 7 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The following embodiments of the present invention provide a connector, which can be applied to a terminal device. The connector includes a main body and terminals arranged on the main body; the outer surface of the main body is provided with heat dissipation holes, and the main body is connected with a heat conduction part.

Wherein, the body has a mechanical protective effect on the terminals in it. The body can be made of insulating material for electrical protection. The terminal generates heat when current flows, and the heat is dissipated through the heat dissipation holes on the body. Heat on the terminals is also transferred to the body. Through the heat-conducting portion, the body can transfer heat to other components, such as a circuit board or a casing with a larger area in the terminal device, and the heat is dissipated through the circuit board or the casing. That is, the solution of the embodiment of the present invention can avoid excessive heat accumulation in the connector, prevent the temperature rise of the connector from being too high, and ensure the performance of the connector through convection heat dissipation and contact heat conduction and heat dissipation.

The following embodiments will be described by taking the heat transfer part transferring heat to the circuit board as an example.

Specifically, in the first embodiment of the present invention, as shown in FIG. 1 , the connector 10 includes a body 11 and a terminal 13 accommodated in the body 11 . Each surface of the main body 11 is provided with heat dissipation holes 111 , and one side of the main body 11 is connected with a heat conducting portion 12 .

As shown in FIG. 2 , the heat conducting portion 12 may be connected to the circuit board 100 . The terminal 13 can be electrically connected to the circuit board 100 . The heat conducting portion 12 includes a plurality of first heat dissipation plates 121 arranged at intervals, a second heat dissipation plate 122 is sandwiched between two adjacent first heat dissipation plates 121, and the area of a single first heat dissipation plate 121 is larger than that of a single second heat dissipation plate 121. The area of the heat dissipation plate 122 . The outermost first heat dissipation plate 121 is connected to the body 11 , and each of the first heat dissipation plates 11 is connected to the circuit board 100 .

In the first embodiment, the preferred heat dissipation holes 111 are circular holes and are distributed on each surface of the main body 11 . In other embodiments, the heat dissipation holes 111 may be holes of other shapes, such as square holes, waist-shaped holes, etc.; the heat dissipation holes 111 may also be distributed only on part of the surface of the body 11 , for example, only part of one of the surfaces. In addition, the positions of the heat dissipation holes 111 on the surface can be set according to actual needs, and are not limited to be in a matrix form.

In the first embodiment, each of the first heat dissipation plates 121 is connected to the circuit board 100 , and the outermost first heat dissipation plate 121 (rightmost in FIG. 1 and FIG. 2 ) is connected to the main body 11 to connect the The heat on the main body 11 is transferred to the circuit board 100 and dissipated through the circuit board 100 . At the same time, since the heat-conducting portion 12 forms a multi-layer plate structure, and the size of the heat-dissipating plates stacked in the heat-conducting portion 12 is different, an extra surface is formed between the first heat-dissipating plate 121 and the second heat-dissipating plate 122, which not only increases the heat-conducting efficiency , and also played a role in direct heat dissipation. That is, in the solution of the first embodiment, the heat-conducting portion 12 can not only conduct heat effectively, but also dissipate heat effectively through its own structure, so as to avoid excessive accumulation of heat in the connector 10, prevent the temperature rise of the connector 10 from being too high, and ensure that the connector 10 performance.

In the first embodiment, both the first heat dissipation plate 121 and the second heat dissipation plate 122 may be square plates, and the positions of the plurality of first heat dissipation plates 121 and the plurality of second heat dissipation plates 122 may be aligned with the center. The heat conducting portion 12 with such a structure is easy to process and has a beautiful structure. In other embodiments, the shapes of the first heat dissipation plate 121 and the second heat dissipation plate 122 may be other shapes, for example, one end may be arc-shaped and the other end may be square; a plurality of first heat dissipation plates 121 and a plurality of second heat dissipation plates The position of the heat dissipation plate 122 is not limited to be aligned with the center. For example, the first heat dissipation plate 121 and the second heat dissipation plate 122 may be flush with one side, so that the first heat dissipation plate 121 and the second heat dissipation plate 122 are both connected to the circuit board 100. This further increases the contact area with the circuit board 100 and further improves the thermal conductivity.

In the first embodiment, each of the first heat dissipation plates 121 and each of the second heat dissipation plates 122 may be connected by means of crimping, riveting, screwing or bonding. These processes are mature and reliable, and can guarantee the process quality of the manufactured heat conducting portion 12 . Of course, other suitable processes can also be used.

In the first embodiment, each of the first heat dissipation plates 121 connected to the circuit board 100 may be provided with pins, and the pins are inserted into the circuit board 100 . In this way, the entire heat-conducting portion 12 can be stably assembled on the circuit board 100 , so that the contact between the heat-conducting portion 12 and the circuit board 100 can be strengthened, and the stability of heat conduction can be ensured. Of course, the first heat dissipation plate 121 may also be connected to the circuit board 100 in other ways, for example, by bonding, welding, or the like.

Further, as shown in FIG. 3 , the connector 10 may further include a base 14 accommodated in the body 11 , and a plurality of terminals 13 are arranged on the base 14 at intervals. Specifically, the terminal 13 may have a portion extending into the body 11 , and this portion is connected to the base 14 . The base 14 enables the terminals 13 to be arranged at required positions and intervals, and ensures the insulation performance between the terminals 13 and between the terminals 13 and the body 11 . In other embodiments, the base 14 may not be provided, and the terminals 132 are provided in the body 11 through other holding structures.

As shown in FIG. 4 , in the second embodiment of the present invention, similar to the above-mentioned first embodiment, the heat conducting portion 22 of the connector 20 includes a plurality of first heat dissipation plates 221 arranged at intervals, and two adjacent first heat dissipation plates 221 are arranged at intervals. A second heat dissipation plate 222 is sandwiched between a heat dissipation plate, and the area of a single first heat dissipation plate 221 is larger than that of a single second heat dissipation plate 222 . However, different from the above-mentioned first embodiment, at least one first heat dissipation plate 221 is connected to the main body 11 , and the outermost first heat dissipation plate 221 can be connected to the circuit board 100 .

In the second embodiment, compared with the way of "standing" of the heat-conducting portion 12 in the first embodiment, the heat-conducting portion 22 is placed in a "flat" way. Therefore, an alternative structural design and manufacturing method can be provided to meet different product design needs. The five first heat dissipation plates 221 in the heat conducting portion 22 are connected to the body 11 , and the outermost (lowermost in FIG. 4 ) first heat dissipation plate 221 is connected to the circuit board 100 . Of course, the number of the first heat dissipation plates 221 connected to the main body 11 is not limited to five, and can be set as required. In other embodiments, a plurality of second heat dissipation plates 222 can also be connected to the main body 11 to further increase the heat conduction area with the main body 11 .

Further, in the second embodiment, as shown in FIG. 4 , a first heat dissipation plate 221 located at the outermost side (lowermost in FIG. 4 ) may be provided with pins to facilitate connection with the circuit board 100 .

As shown in FIG. 5 , in the third embodiment of the present invention, different from the above-mentioned first embodiment, the heat-conducting portion 32 of the connector 30 includes two first cylinders 321 and is connected to the two first cylinders The second column 322 between 321. The radial dimension of the first cylinder 321 is larger than that of the second cylinder 322 , one of the first cylinders 321 is connected to the body 11 , and the other of the first cylinders 321 can be connected to the circuit board 100 .

In this third embodiment, due to the difference in radial dimensions, an extra surface is formed between the first cylinder 321 and the second cylinder 322, thereby enhancing the thermal conductivity. The heat-conducting portion 32 has a simple structure and is easy to manufacture. The number of the heat-conducting parts 32 may be at least one; several heat-conducting parts 32 may be arranged side by side with the terminals 13 . At this time, the heat conducting portion 32 is supported between the body 11 and the circuit board 100 like a pillar.

As shown in FIG. 6 , in the fourth embodiment of the present invention, different from the first embodiment described above, the heat-conducting portion 42 of the connector 40 includes a plastic frame 421 disposed on the main body 11 , and the plastic frame 421 is filled with a heat-conducting frame 421 . The glue 422 , one end of the thermally conductive glue 422 is in contact with the body 11 , and the other end can be in contact with the circuit board 100 . The plastic frame 421 is a hollow frame, and one side of the plastic frame 421 is connected to the main body 11 . The thermally conductive adhesive 142 filled in the plastic frame 421 can be in contact with the main body 11 and the circuit board 100 , thereby transferring the heat on the main body 11 to the circuit board 100 . In the fourth embodiment, the heat conduction is carried out by filling the heat conduction glue 422 in the plastic frame 421 , which not only has a simple design, but also has a high heat conduction efficiency. In this manner, the heat-conducting portion 42 mainly plays a heat-conducting function, and its heat-dissipating effect is weak. In the solutions of the above three embodiments, the heat conducting portion can not only conduct heat effectively, but also effectively dissipate heat. The number of the heat-conducting parts 42 may be at least one; several heat-conducting parts 42 may be arranged side by side with the terminals 13 to be supported between the body 11 and the circuit board 100 .

In the above embodiments of the present invention, the connector may be a board-to-board (BTB) connector. The BTB connector adopts a narrow blade contact, uses a surface-mount soldering (SMT) process, and has a smaller terminal arrangement pitch, which has the advantages of miniaturization, thinness and high performance. Of course, the connector may also be other types of connectors, such as a zero insertion force (ZeroInsertion Force, ZIF for short) connector.

Embodiments of the present invention further provide a connector assembly, which includes a circuit board and the connector described in the above embodiments. Wherein, the heat conducting portion of the connector is connected with the circuit board, and the terminal is electrically connected with the circuit board. The connector assembly can transfer the heat on the body to the circuit board with a larger area through the heat conducting part, and dissipate the heat through the circuit board. In this way, excessive heat accumulation of the connector can be avoided, the temperature rise of the connector can be prevented from being too high, and the performance of the connector can be ensured. The connector assembly may include, for example, the connector 10 and the circuit board 100 in the above-mentioned first embodiment.

Embodiments of the present invention also provide a terminal device, including but not limited to electronic devices such as a mobile phone and a tablet computer. As shown in FIG. 7 , the terminal device 200 includes a casing 210 , a main board and the connector in the above-mentioned embodiment. Both the main board and the connector are arranged in the casing 210 . Wherein, the heat conducting portion of the connector can be connected to the housing 210 or the main board, and the terminals are electrically connected to the main board. For example, the connector may be the connector 10 in the above-mentioned first embodiment; the main board may be the above-mentioned circuit board 100 , and the heat conducting part may be connected to the circuit board 100 . The terminal device 200 can dissipate the heat of the connector 10 through the circuit board 100 or the housing 210 , thereby avoiding excessive accumulation of heat in the connector, preventing the temperature rise of the connector from being too high, and ensuring the performance of the connector and the terminal device 200 . .

In the terminal device 200 , other modules or components can be electrically connected to the circuit board 100 through the connector 10 .

For example, as shown in FIGS. 7 and 8 , the other modules or components may be batteries 222 , and a flexible circuit board 221 may be drawn out from the battery 222 , and the battery 222 is connected to the connector (for example, the connector 10) Connected. The connector (eg, the connector 10 ), the battery 222 and the flexible circuit board 221 in this embodiment may be components of the power supply assembly 220 . Of course, the power supply assembly 220 may also include other modules or components, such as including power matching devices. In the power supply assembly 220, since the battery 222 does not need to be disassembled frequently, it can be used as a built-in power supply of the terminal device 200 to meet the needs of current mainstream product designs.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Any person skilled in the art can easily think of various equivalents within the technical scope disclosed by the present invention. Modifications or replacements, these modifications or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (8)

1. A connector, characterized in that,

the connector comprises a heat conducting part, a body and a terminal arranged on the body; the outer surface of the body is provided with heat dissipation holes; the heat conducting part is positioned outside the body and connected with the body; the heat conducting part comprises a plurality of first heat dissipation plates which are arranged at intervals, a second heat dissipation plate is arranged between every two adjacent first heat dissipation plates in a clamping mode, and the area of a single first heat dissipation plate is larger than that of a single second heat dissipation plate; at least one first heat dissipation plate is connected with the body; the connector further comprises a base accommodated in the body, a plurality of terminals are arranged on the base at intervals, the terminals are provided with parts extending into the body, the parts extending into the body extend into the base and are connected to the base, and the base is used for enabling the terminals to be arranged according to required positions and intervals and ensuring the insulating property between the terminals and the body.

2. The connector of claim 1,

the first heat dissipation plate and the second heat dissipation plate are fixed in a crimping, riveting, screwing or bonding mode.

3. The connector of claim 1,

the heat conducting part comprises a rubber frame arranged on the body, heat conducting glue is filled in the rubber frame, and the heat conducting glue is in contact with the body.

4. The connector according to any one of claims 1 to 3,

the connector is a board-to-board connector.

5. A connector assembly, characterized in that,

comprising a circuit board, and the connector of claim 1; wherein the heat conducting portion is connected to the circuit board, and the terminal is electrically connected to the circuit board.

6. A power supply module comprising a battery, wherein,

further comprising the connector of any one of claims 1-4; and a flexible circuit board is led out of the battery, and the battery is connected with the connector through the flexible circuit board.

7. A terminal device, comprising a housing, a motherboard, and the connector of claim 1, wherein the motherboard and the connector are both disposed in the housing; wherein the heat conducting portion is connected to the housing or the main board, and the terminal is electrically connected to the main board.

8. The terminal device of claim 7,

still including locating battery in the casing, it has flexible circuit board to draw forth on the battery, the battery passes through flexible circuit board with the connector is connected.

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