High-voltage-resistant driver board connector

Abstract

The utility model relates to a high-voltage-resistant driver board connector. The utility model relates to a high-voltage-resistant driver board connector, which comprises a shell, the power supply terminal groups and the signal terminal groups are arranged at intervals; the power supply terminal groups and the signal terminal groups are respectively inserted into two sides of the shell in parallel; the shielding piece is arranged in the shell and is arranged between the power supply terminal group and the signal terminal group in a separating manner; the outer wall of the housing is provided with a first creepage groove, and the first creepage groove is disposed between two adjacent power supply terminal groups. According to the high-voltage-resistant driver board connector provided by the utility model, the shielding piece is arranged between the power supply terminal group and the signal terminal group, so that electromagnetic interference of the power supply terminal group to the signal terminal group is effectively avoided, and the anti-EMC performance of the driver board connector is improved; and meanwhile, the first creepage grooves are formed between the adjacent power supply terminal groups, so that the creepage distance between the adjacent power supply terminal groups is increased, and the high-voltage resistance of the driver board connector is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connector, especially a kind of high-voltage-resistant drive board connector. BACKGROUND

[0002] In prior art, power terminal and signal terminal are usually arranged in drive board connector simultaneously, power terminal can generate electromagnetic interference to signal terminal, which seriously affects the reliability of signal transmission. In order to reduce the electromagnetic interference of power terminal to signal terminal, shielding design is often needed for connector, so the structure of drive board connector is relatively complex, which greatly affects the electrical insulation performance of drive board connector. Some existing drive board connectors usually adopt the way of lengthening or increasing the volume of connector to increase electrical clearance, which is not conducive to the miniaturization of drive board connector, and there is still a high risk of insulation withstand voltage. SUMMARY

[0003] Therefore, the utility model aims at providing a high-voltage-resistant drive board connector, by arranging shielding member between power terminal group and signal terminal group, effectively avoiding the electromagnetic interference of power terminal group to signal terminal group, improving the EMC performance of drive board connector, and arranging first creepage groove between adjacent power terminal groups to increase the creepage distance of adjacent power terminal groups and improve the high-voltage-resistant performance of drive board connector.

[0004] A high-voltage-resistant drive board connector, comprising:

[0005] A shell;

[0006] A plurality of power terminal groups and signal terminal groups arranged at intervals, the power terminal groups and the signal terminal groups are respectively arranged in parallel in the two sides of the shell;

[0007] A shielding member arranged in the shell and arranged between the power terminal groups and the signal terminal groups;

[0008] The outer wall of the shell is provided with a first creepage groove, and the first creepage groove is arranged between two adjacent power terminal groups.

[0009] Further, the two ends of the shielding member in length direction are provided with fixed parts protruding from the shell, the outer wall of the shell is provided with a second creepage groove, and the second creepage groove is arranged between the power terminal groups and the shielding member.

[0010] Further, the end of the shell is also provided with an isolation boss protruding from the end face, and the isolation boss is arranged between the exposed power terminal groups and the fixed parts.

[0011] Further, the shell comprises an outer shell and an inner embedded component embedded in the inner shell, the inner embedded component comprises two sets of oppositely arranged inner embedded parts, the inner embedded parts are provided with power terminal holes, signal terminal holes and shielding holes;

[0012] The power terminal group comprises a plurality of arrayed power terminals, the signal terminal group comprises a plurality of arrayed signal terminals, and the power terminals, the signal terminals and the shielding part are correspondingly inserted into the hole positions of the inner embedded parts.

[0013] Further, the two inner embedded parts are fixed by arranging positioning structures, the positioning structures comprise positioning holes and positioning columns arranged on the opposite end faces of the two inner embedded parts respectively, and the positioning columns are inserted into the positioning holes.

[0014] Further, the shielding part is provided with a reverse buckling structure on the side in the insertion direction, the reverse buckling structure comprises at least one hook, and the hook interferes with the inner wall of the shielding hole.

[0015] Further, the shielding part is provided with a reverse buckling structure on the side in the insertion direction, the reverse buckling structure comprises at least one hook, and the hook interferes with the inner wall of the shielding hole.

[0016] Further, the power terminal is provided with a first retreat stopping structure, the first retreat stopping structure comprises two spaced first retreat stopping parts, and the two power terminal holes into which the power terminal is inserted interfere with the first retreat stopping parts respectively.

[0017] The signal terminal is provided with a second retreat stopping structure, the second retreat stopping structure comprises two spaced second retreat stopping parts, and the two signal terminal holes into which the signal terminal is inserted interfere with the second retreat stopping parts respectively.

[0018] Further, the end faces of the two inner embedded parts away from each other are provided with first positioning bosses.

[0019] Further, the outer wall surface of the shell is provided with a plurality of hollow grooves.

[0020] The beneficial effects of the utility model lie in:

[0021] (1) by arranging the shielding part between the power terminal group and the signal terminal group, the electromagnetic interference of the power terminal group on the signal terminal group is effectively avoided, and the anti-EMC performance of the drive board connector is improved;

[0022] (2) by arranging the first creeping groove between the adjacent power terminal groups, the creeping distance of the adjacent power terminal groups is increased, and the high voltage resistance performance of the drive board connector is improved;

[0023] (3) The second creepage groove and the isolation boss are further arranged between the power terminal group and the shielding part, so that the safety performance of the drive board connector is further improved.

[0024] (4) The two opposite arranged inner inserts are respectively inserted from two ends of the power terminal, the signal terminal and the shielding part, so that the pre-assembled part is assembled with low insertion force, and then the pre-assembled part is injection molded to form the shell wrapped outside the pre-assembled part, so that the stability performance of the drive board connector is higher.

[0025] In order to better understand and implement, the utility model is described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The structure schematic view of the drive board connector provided for the embodiment of the application is shown in the figure.

[0027] Figure 2 The explosion view of the drive board connector provided for the embodiment of the application is shown in the figure.

[0028] Figure 3 The structure schematic view of the inner assembly provided for the embodiment of the application is shown in the figure.

[0029] Figure 4 The structure schematic view of the pre-assembled part provided for the embodiment of the application is shown in the figure.

[0030] Figure 5 The sectional view of the pre-assembled part provided for the embodiment of the application is shown in the figure.

[0031] Figure 6 The structure schematic view of the power terminal provided for the embodiment of the application is shown in the figure.

[0032] In the figure: 100-pre-assembled part; 10-inner assembly; 11-first inner insert; 111-first positioning boss; 112-second positioning boss; 113-power terminal hole; 114-signal terminal hole; 115-shielding hole; 12-second inner insert; 13-positioning structure; 131-positioning hole; 132-positioning column; 20-power terminal group; 21-retention structure; 30-signal terminal group; 40-shielding part; 41-reverse hook; 42-fixing part; 50-shell; 51-first creepage groove; 52-second creepage groove; 53-isolation boss; 54-hollowed-out groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0034] In the description of the present application, it should be noted that the directions or position relationships indicated by the terms "vertical direction", "upper", "lower", "horizontal" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] Please refer to Figure 1 and Figure 2 The application provides a high-voltage-resistant drive board connector, which comprises a shell, a power terminal group 20, a signal terminal group 30 and a shielding piece 40. The power terminal group 20 and the signal terminal group 30 are arranged in the shell in a spaced manner, and are located on the two sides of the shell along the insertion direction. The shielding piece 40 is arranged between the power terminal group 20 and the signal terminal group 30, so as to electromagnetically separate the power terminal group 20 and the signal terminal group 30, avoid the electromagnetic interference of the power terminal group 20 on the signal terminal group 30, and improve the EMC performance of the drive board connector. The outer wall of the shell is provided with a first creeping groove 51, which is arranged between the two adjacent power terminal groups 20, so as to increase the creeping distance between the adjacent power terminal groups 20, improve the electrical clearance of the power terminal group 20, and improve the high-voltage-resistant performance of the drive board connector. In this arrangement, it is not necessary to lengthen or increase the volume of the drive board connector, which is beneficial to maintaining the miniaturization of the drive board connector and improving its versatility.

[0037] Please refer to Figures 1-5Further, in some embodiments, the shield 40 is provided with a fixed portion 42 protruding from the housing, for positioning and fixing when connected with the drive board. The outer wall of the housing is provided with a second creepage groove 52, which is arranged between the power terminal group 20 and the shield 40, and can be used to increase the creepage distance between adjacent power terminal groups 20, and increase the creepage distance between the power terminal group 20 and the shield 40, prevent high-voltage arc between the power terminal groups 20, or between the power terminal group 20 and the shield 40, increase the electrical clearance of the drive board connector, and further ensure the shielding effect of the shield 40 on the power terminal group 20, and ensure the stable operation of the drive board connector.

[0038] Further, the housing is further provided with an isolation boss 53 protruding from the end face thereof, which is arranged between the power terminal group 20 and the shield 40, for further increasing the creepage distance between the power terminal group 20 and the shield 40, and further improving the safety performance of the drive board connector.

[0039] Further, in some embodiments, the outer wall surface of the housing is further provided with a plurality of hollow grooves 54 to increase the heat dissipation area of the drive board connector, so as to overcome the problem that the plastic surface of the traditional connector is a large plane, resulting in poor heat dissipation performance, and easy to produce appearance shrinkage deformation and other phenomena during molding.

[0040] Please refer to Figures 2-6 Further, in some embodiments, the housing includes a shell 50 and an embedded component 10 embedded in the inside of the shell 50, the embedded component 10 includes two groups of oppositely arranged embedded parts, the embedded parts are provided with power terminal holes 113, signal terminal holes 114 and shielding holes 115, and the power terminal holes 113, the signal terminal holes 114 and the shielding holes 115 of the two embedded parts correspond one by one. The power terminal group 20 includes a plurality of power terminals, the signal terminal group 30 includes a plurality of signal terminals, and the power terminals, the signal terminals and the shield 40 are correspondingly inserted into the hole positions.

[0041] It can be understood that, in the assembly process, the power terminals, the signal terminals and the shield 40 are fixedly inserted into the two embedded parts to form a pre-assembled component 100, and then the shell 50 is injection molded outside the pre-assembled component 100 to form the drive board connector. In this arrangement, the first creepage groove 51, the second creepage groove 52 and the isolation boss 53 are all formed in the process of injection molding of the shell 50.

[0042] Further, in this arrangement, the two inner inserts are fixed by the positioning structure 13, which includes positioning holes 131 and positioning posts 132 respectively arranged on the opposite end faces of the two inner inserts, and the positioning posts 132 are inserted into the positioning holes 131. Specifically, the two inner inserts are defined as the first inner insert 11 and the second inner insert 12, the first inner insert 11 is provided with the positioning post 132 on the end face close to the second inner insert 12, the second inner insert 12 is provided with the positioning hole 131 on the end face close to the first inner insert 11, and the positioning of the first inner insert 11 and the second inner insert 12 is achieved by inserting the positioning post 132 into the positioning hole 131. It can be understood that the positioning structure 13 can be provided with multiple groups, the first inner insert 11 can be provided with the positioning post 132 and the positioning hole 131 at the same time, the second inner insert 12 can be correspondingly provided with the positioning hole 131 and the positioning post 132, and the positioning of the first inner insert 11 and the second inner insert 12 is achieved by one-to-one corresponding insertion of the positioning post 132 and the positioning hole 131.

[0043] Further, the end faces of the first inner insert 11 and the second inner insert 12 away from each other are provided with the first positioning boss 111, which is convenient for positioning in the injection molding process of the shell 50, and increases the adhesion between the shell 50 and the inner insert assembly 10, and enhances the stability of the drive board connector structure. Similarly, the side walls of the first inner insert 11 and the second inner insert 12 are provided with the second positioning boss 112, so as to further increase the stability of the drive board connector structure.

[0044] Further, in some embodiments, the side edges of the shielding member 40 in the insertion direction thereof are provided with the undercut structure, which includes at least one undercut 41 interfering with the inner wall of the shielding hole 115. In other embodiments, the shielding member 40 can be provided with one undercut 41 on each of the two side edges in the insertion direction thereof, and the two undercuts 41 are arranged in a staggered manner, one of which interferes with the inner wall of the shielding hole 115 of the first inner insert 11, and the other of which interferes with the inner wall of the shielding hole 115 of the second inner insert 12, so as to increase the holding force of the shielding member 40 and the shell from the front and back directions, and avoid the shielding member 40 from being forced out of the shielding hole 115. It can be understood that in other embodiments, the shielding member 40 can be provided with the undercut structure on each of the two side edges in the insertion direction thereof, which includes two symmetrically arranged undercuts 41, one of which interferes with the inner wall of the shielding hole 115 of the first inner insert 11, and the other of which interferes with the inner wall of the shielding hole 115 of the second inner insert 12, and the same effect can be achieved in the front and back directions. Details are not described here.

[0045] Further, in some embodiments, the signal terminal and the power terminal are each provided with a retreat-preventing structure 21 for preventing the signal terminal and the power terminal from falling out of the housing when subjected to external force. Specifically, the retreat-preventing structure 21 is a pair of symmetrically arranged clamping point structures for increasing the holding force between the signal terminal and the power terminal and the housing, which will not be described in detail here.

[0046] Specifically, the power terminal is provided with a first retreat-preventing structure including first retreat-preventing portions arranged at intervals and interfering with two power terminal holes in which the power terminal is inserted, i.e., the first retreat-preventing portions interfere with the power terminal holes corresponding to the first insert and the second insert, respectively. The signal terminal is provided with a second retreat-preventing structure including second retreat-preventing portions arranged at intervals and interfering with two signal terminal holes in which the signal terminal is inserted, i.e., the second retreat-preventing portions interfere with the signal terminal holes corresponding to the first insert and the second insert, respectively. It can be understood that the first retreat-preventing structure and the second retreat-preventing structure can be the same or different. In this arrangement, by inserting the first insert 11 and the second insert 12 from the two ends of the shielding member 40, the signal terminal group 30, and the power terminal group 20 towards each other, low insertion force and high extraction force of the insert can be achieved.

[0047] Compared with the prior art, the beneficial effects of the embodiments of the present application are as follows:

[0048] (1) By arranging a shielding member between the power terminal group and the signal terminal group, electromagnetic interference of the power terminal group on the signal terminal group is effectively avoided, and the EMC performance of the drive board connector is improved.

[0049] (2) By arranging a first creepage groove between adjacent power terminal groups, the creepage distance of adjacent power terminal groups is increased, and the high voltage resistance performance of the drive board connector is improved.

[0050] (3) A second creepage groove and an isolation boss are further arranged between the power terminal group and the shielding member, further improving the safety performance of the drive board connector.

[0051] (4) By inserting two oppositely arranged inserts from the two ends of the power terminal, the signal terminal, and the shielding member, a pre-assembled component can be assembled with low insertion force, and then the pre-assembled component is injection molded to form an outer shell covering the outside of the pre-assembled component, so that the stability of the drive board connector is higher.

[0052] The above-described embodiments only express several embodiments of the present application, and the description is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and the present application also intends to include these changes and modifications.

Claims

1. A high voltage resistant drive board connector, characterized by The utility model relates to a kind of high-pressure-resistant drive board connectors, including: Shell; Several interval arranged power terminal groups and signal terminal groups, the power terminal group and the signal terminal group are respectively parallelly inserted in the two sides of the shell; Shield, it is located in the shell, interval is arranged between the power terminal group and the signal terminal group; The outer wall of the shell is provided with first creeping groove, the first creeping groove is located between two adjacent power terminal groups.

2. According to claim 1, a kind of high-pressure-resistant drive board connectors, wherein: The two ends of the length direction of the shield are provided with fixed part protruding from the shell, the outer wall of the shell is provided with second creeping groove, the second creeping groove is located between the power terminal group and the shield.

3. According to claim 2, a kind of high-pressure-resistant drive board connectors, wherein: The end of the shell is also provided with isolation boss protruding from its end face, the isolation boss is located between the exposed power terminal group and the fixed part.

4. According to claim 1, a kind of high-pressure-resistant drive board connectors, wherein: The shell includes shell and embedded component embedded in the inside of the shell, the embedded component includes two sets of oppositely arranged embedded parts, the embedded part is provided with power terminal hole, signal terminal hole and shielding hole; The power terminal group includes several arrayed power terminals, the signal terminal group includes several arrayed signal terminals, the power terminal, the signal terminal and the shield are correspondingly inserted into each hole of the embedded part.

5. According to claim 4, a kind of high-pressure-resistant drive board connectors, wherein: Two embedded parts are fixed by setting positioning structure, the positioning structure includes positioning hole and positioning column respectively arranged on the opposite end faces of two embedded parts, and the positioning column is inserted into the positioning hole.

6. According to claim 5, a kind of high-pressure-resistant drive board connectors, wherein: The side of the shield in its insertion direction is provided with reverse buckling structure, and the reverse buckling structure includes at least one hook interfering with the inner wall of the shield.

7. According to claim 6, a kind of high-pressure-resistant drive board connectors, wherein: The two sides of the shield in its insertion direction are both provided with reverse buckling structure, and the reverse buckling structure includes two sets of symmetrically arranged hooks interfering with the inner wall of the shielding hole of two embedded parts.

8. According to claim 4, a kind of high-pressure-resistant drive board connectors, wherein: The power terminal is provided with first retreat stop structure, and the first retreat stop structure includes two interval arranged first retreat stops interfering with two power terminal holes into which the power terminal is inserted; The signal terminal is provided with second retreat stop structure, and the second retreat stop structure includes two interval arranged second retreat stops interfering with two signal terminal holes into which the signal terminal is inserted.

9. According to claim 4, a kind of high-pressure-resistant drive board connectors, wherein: The end face of two embedded parts away from each other is provided with first positioning boss.

10. According to claim 1, a kind of high-pressure-resistant drive board connectors, wherein: The outer wall surface of the shell is provided with several hollow grooves.

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