CN222380899U - A high voltage connector - Google Patents

Abstract

The present application discloses a high-voltage connector, including: a socket assembly, a plug assembly, and a locking member; the socket assembly includes a socket panel, a socket shell, and three socket copper bars, the socket shell is installed on the socket panel, the socket shell is provided with three fixing grooves distributed in a herringbone shape, the three socket copper bars are correspondingly inserted into the three fixing grooves along a first direction, the socket shell extends outward to form a first baffle spanning the three fixing grooves; the plug assembly includes a plug body, a terminal shell, and a cable assembly, the terminal shell is inserted into the plug body, the cable assembly is in a herringbone shape and inserted into the terminal shell along a second direction, and the plug body is plugged into the socket panel. The present application reduces the size of the connector, facilitates adaptation and installation, and has a foolproof effect and ensures a safe electrical gap between conductive parts, thereby ensuring the safety of the connector.

Description

High-voltage connector

Technical Field

The application relates to the technical field of connectors, in particular to a high-voltage connector.

Background

With the development of electric drive systems of electric automobiles, integrated electric drive systems are a trend of future development. The integrated benefit is that for the vehicle enterprise, the volume and weight of the vehicle are reduced, the space and the endurance are increased, and the platform design of the vehicle enterprise is facilitated. The integrated electric drive system can put a plurality of modules such as MCU motor controller, OBC on-vehicle charger, DC/DC converter, PDU high voltage distribution box in a cabin in the lump, so the connector quantity on the electric drive integration panel also can correspondingly increase, so many connectors discernment easily confuse and occupation space, and the connector volume is big easily to lead to high voltage distribution box integration panel space not enough moreover, leads to the installation inconvenient even unable installation.

Disclosure of utility model

The embodiment of the application aims to provide the high-voltage connector, which reduces the size of the connector, is convenient for adapting and mounting, has fool-proof effect, ensures safe electric clearance between conductive pieces and further ensures the use safety of the connector.

In order to achieve the above purpose, the application adopts the following technical scheme:

The high-voltage connector comprises a socket assembly, a plug assembly capable of being inserted into the socket assembly, locking pieces capable of locking the socket assembly and the plug assembly, the socket assembly comprises a socket panel, a socket shell and three socket copper bars, the socket shell is mounted on the socket panel, three fixing grooves distributed in a delta shape are formed in the socket shell, the three socket copper bars are correspondingly inserted into the three fixing grooves along a first direction, a first baffle plate crossing the three fixing grooves is formed in the socket shell in an outward extending mode, the first baffle plate cuts off an electric gap between the socket copper bars at the upper end and the socket copper bars at the two lower ends, the plug assembly comprises a plug main body, a terminal shell and a cable assembly, the terminal shell is inserted into the plug main body, the cable assembly is in a delta shape and is inserted into the terminal shell along a second direction, the plug main body is inserted into the socket panel, the cable assembly and the cable assembly is correspondingly connected with the socket copper bars along the second direction, and the first baffle plate is perpendicular to the second direction.

Further, a supporting portion is arranged on the socket panel, a first locking hole and a second locking hole are formed in the supporting portion, the locking piece penetrates through the plug main body to be locked in the first locking hole, the socket shell and the socket panel are locked through a fastening piece, and the fastening piece penetrates through the socket shell to be locked in the second locking hole.

Further, a plurality of leading-in slopes are formed in the supporting portion, and a first buckle matched with the leading-in slopes to guide and clamp is arranged on the socket shell.

Further, a second baffle plate is arranged on one side of the socket panel, which is opposite to the plug assembly, in a protruding mode, a guide bar is arranged on the second baffle plate, and a guide groove matched with the guide bar for guiding is formed in the inner wall of the plug main body.

Further, the receptacle assembly also includes an interlocking female end mounted to the receptacle panel and capable of locking the receptacle housing to the receptacle panel.

Further, a plurality of guide convex strips are arranged in the plug main body, the outer wall surface of the terminal shell is in interference fit with each guide convex strip, and a second buckle matched with the guide convex strips for stopping is further arranged on the outer wall surface of the terminal shell.

Further, the inner wall surface of the terminal housing is provided with a plurality of limit convex strips, and the cable assembly is inserted into the terminal housing through each limit convex strip.

Further, an elastic boss is further arranged in the terminal shell, the elastic boss is extruded when the cable assembly is inserted in the inserting and extracting direction, and after the cable assembly is inserted in place, the elastic boss resets to clamp the cable assembly.

Further, a shielding ring is sleeved on the cable assembly, and a shielding cover is sleeved on the shielding ring.

Further, a pressing plate is arranged at one end of the plug main body, which is opposite to the socket assembly, a tail cover is arranged at the other end of the plug main body, a through hole for the cable assembly to pass through is formed in the tail cover, and a sealing piece is arranged between the cable assembly and the tail cover.

The three socket copper bars are distributed in a delta shape, a conventional mode of unfolding and tiling in a straight line is broken through, the size of the connector is reduced, the assembly space occupied by the connector on the integrated panel is reduced, and the socket copper bars are inserted into the fixing grooves by arranging the first baffle plate capable of crossing the three fixing grooves on the socket shell, so that the first baffle plate ensures that the three socket copper bars have enough electric intervals, the risk of electromagnetic interference and circuit short circuit does not exist between the socket copper bars, the safety and the reliability of the connector in the use process are ensured, and in addition, the stability of the connector in operation is greatly improved through the rigid connection of the locking piece between the socket panel and the plug main body.

Drawings

The application is described in further detail below with reference to the drawings and examples.

Fig. 1 is a perspective view of a high voltage connector according to an embodiment of the present application;

FIG. 2 is an exploded view of a high voltage connector according to an embodiment of the present application;

FIG. 3 is an exploded view of a receptacle assembly according to an embodiment of the present application;

FIG. 4 is an exploded view of a plug assembly according to an embodiment of the present application;

fig. 5 is a perspective view of a socket panel according to an embodiment of the present application;

Fig. 6 is a perspective view of a socket housing according to an embodiment of the present application;

Fig. 7 is a second perspective view of the socket housing according to the embodiment of the application;

Fig. 8 is a perspective view of a plug body according to an embodiment of the present application;

Fig. 9 is a perspective view of a terminal housing according to an embodiment of the present application;

Fig. 10 is a bottom view of a terminal housing according to an embodiment of the present application;

fig. 11 is a perspective view of a platen according to an embodiment of the present application.

In the figure, 1, a socket assembly, 101, a socket panel, 102, a socket housing, 103, a socket copper bar, 104, a fastener, 105, an interlocking female end, 1011, a supporting part, 1012, a first locking hole, 1013, a second locking hole, 1014, a guiding slope, 1015, a second baffle, 1016, a guiding strip, 1021, a fixing groove, 1022, a first baffle, 1023, a first buckle, 1024, a fourth locking hole, 1025, a third locking hole, 1026, a third baffle, 2, a plug assembly, 201, a plug main body, 202, a terminal housing, 203, a cable assembly, 204, a pressing plate, 205, a tail cover, 206, a shielding cover, 207, a sealing piece, 208, a sealing baffle, 2011, a guiding groove, 2012, a guiding convex strip, 2013, a first inner wall, 2014, a second inner wall, 2015, a sealing groove, 2016, a plugging groove, 2017, a through hole boss, 2018, a buckle, 1, a limit convex strip, 2, a second buckle, 2023, an elastic boss, 2024, 2025, a copper bar, 2025, 2026, a wire boss, 204, a bolt hole, 2044, a positioning boss, a 2044, a positioning boss, and a positioning boss.

Detailed Description

In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present application are described in further detail below, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "connected," "secured" and "fixed" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through intermediaries, or in communication between two elements or in interaction relationship between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

As shown in fig. 1-11, the embodiment provides a high-voltage connector, which comprises a socket assembly 1, a plug assembly 2 capable of being plugged into the socket assembly 1, and a locking piece 3 capable of locking the socket assembly 1 and the plug assembly 2, wherein the socket assembly 1 comprises a socket panel 101, a socket housing 102 and three socket copper bars 103, the socket housing 102 is mounted on the socket panel 101, three fixing grooves 1021 distributed in a delta-shaped manner are formed in the socket housing 102, the three socket copper bars 103 are correspondingly plugged into the three fixing grooves 1021 along a first direction, the socket housing 102 is outwards extended to form a first baffle 1022 crossing the three fixing grooves 1021, the first baffle 1022 cuts off an electrical gap between the upper end of the socket copper bar 103 and the two lower ends of the socket copper bar 103, the plug assembly 2 comprises a plug main body 201, a terminal housing 202 and a cable assembly 203, the terminal housing 202 is plugged into the plug main body 201, the cable assembly 203 is correspondingly plugged into the three fixing grooves 1021 along the first direction, the cable assembly 203 is correspondingly plugged into the second direction, and the cable assembly 203 is connected with the plug main body 201 along the second direction, and the cable assembly 203 is plugged into the socket main body 101 along the second direction.

In the technical field of the existing three-core connector, a three-core and one-line arrangement layout mode is generally adopted, and the layout mode needs to ensure an electric gap, so that the connector is large in size, in the scheme, three socket copper bars 103 are distributed in a delta shape, the conventional one-line unfolding and tiling mode is broken through, the size of the connector is reduced, the assembly space occupied by the connector on an integrated panel is reduced, meanwhile, the stability of power transmission is ensured, the electric gap between the upper socket copper bars 103 and the two lower socket copper bars 103 is effectively blocked by the design of a first baffle 1022, the electric performance is improved, and the risks of short circuit and electric leakage are reduced. It should be noted that, the upper and lower ends described herein are described based on the delta-shaped layout, one socket copper bar 103 is disposed at the upper end, and the other two socket copper bars 103 are symmetrically disposed at the lower end, so that the three socket copper bars 103 appear to be delta-shaped, and the first baffle 1022 is disposed herein to ensure that there is a sufficient electrical gap because the gap between the two socket copper bars 103 at the lower end is relatively large, and a safety design is not required for this portion, but the gap between the two lower socket copper bars 103 and the upper socket copper bar 103 is small due to the consideration of compact structure, so that the first baffle 1022 is disposed in the middle, and the electrical gap between the three socket copper bars 103 is ensured to meet the safety design requirement. In addition, plug main part 201 pegs graft on socket panel 101, has realized preliminary mechanical connection, and simultaneously, cable assembly 203 corresponds the electricity with socket copper bar 103 and is connected, has accomplished the preliminary establishment of power transmission, then through retaining member 3, can lock socket assembly 1 and plug assembly 2, guarantees the stability and the reliability of connection. The setting of retaining member 3 makes the connector be difficult for not hard up after connecting, has improved the security of using. Meanwhile, the use of the high-insulation material further ensures the safety of users. The high-voltage connector adopts a plug-in design, is simple and convenient to operate, and improves the working efficiency. The high-voltage connector has excellent electrical performance and reliability, and can be suitable for various application scenes requiring high-voltage transmission, such as power systems, energy fields and the like.

Further, the socket panel 101 is provided with a supporting portion 1011, the supporting portion 1011 is provided with a first locking hole 1012 and a second locking hole 1013, the locking member 3 is locked to the first locking hole 1012 through the plug main body 201, the socket housing 102 and the socket panel 101 are locked by a fastener 104, and the fastener 104 is locked to the second locking hole 1013 through the socket housing 102. In this solution, the socket panel 101 is the front end part of the socket assembly 1, and is directly visible and accessible to the user, on this panel, a hole is provided for the socket housing 102 to be inserted, the supporting part 1011 is a structure extending out of the hole for providing additional support and fixing points, the supporting part 1011 is provided with a first locking hole 1012 and a second locking hole 1013, the locking member 3 is a locking part which passes through the plug main body 201 and is locked in the first locking hole 1012, which means that when the plug main body 201 is inserted into the socket panel 101, the locking member 3 ensures that the plug assembly 2 is firmly held in the socket assembly 1 and is not easy to fall off, in addition, the socket housing 102 is an external structure for wrapping the internal structure of the socket assembly 1 and providing structural support, the socket housing 102 and the socket panel 101 are locked by the fastener 104, this design ensures the whole stability of the socket assembly 1 in daily use, so that the socket assembly 1 is not easy to loosen or be damaged, the socket housing 102 is also provided with a third locking part corresponding to the second locking hole 1013 is provided for locking the third locking hole 104 which is used for locking the socket assembly 102 and is firmly connected to the socket housing 102 by the third locking part 1025. In general, the socket assembly 1 is designed to employ multiple locking and fixing mechanisms, so as to ensure the stability of the plug assembly 2 and the overall structural strength of the socket assembly 1, and the design helps to improve the use safety of the socket assembly 1 and reduce potential safety hazards caused by the falling-off of the plug assembly 2 or the loosening of the socket assembly 1.

In addition, the socket housing 102 is further provided with a fourth locking hole 1024 corresponding to the first locking hole 1012, and when the locking member 3 passes through the plug main body 201 and is locked in the first locking hole 1012, the locking member passes through the fourth locking hole 1024, thereby playing a role of limiting the socket panel 101 and the socket housing 102.

Optionally, the supporting portion 1011 is provided with a plurality of guiding slopes 1014, and the socket housing 102 is provided with a first buckle 1023 engaged with the guiding slopes 1014 in a guiding manner. When the socket housing 102 is mounted on the socket panel 101, the first buckle 1023 is matched with the guide of the guide slope 1014, so that accurate positioning can be realized, and after the socket housing 102 is mounted, the first buckle 1023 can effectively lock the socket panel 101 and the socket housing 102 to prevent detachment.

Optionally, a second baffle 1015 is protruding on a side of the receptacle panel 101 opposite to the plug assembly 2, a guide bar 1016 is provided on the second baffle 1015, and a guide groove 2011 that is matched with and guides the guide bar 1016 is provided on an inner wall of the plug main body 201. Through the guide cooperation of the guide bar 1016 and the guide groove 2011, the plug main body 201 can be accurately installed on the socket panel 101, and a fool-proof effect is realized.

Meanwhile, the third baffles 1026 are arranged around the three fixing grooves 1021 in a protruding mode, the third baffles 1026 are arranged around the fixing grooves 1021, the three third baffles 1026 are connected into a whole, the whole supporting strength can be improved, in addition, the fixing grooves 1021 can limit the insertion of the socket copper bar 103 and cover the exposed conducting ends of the socket copper bar 103, and the electric shock protection safety is improved.

Preferably, the receptacle assembly 1 further comprises an interlocking female end 105, the interlocking female end 105 being mounted to the receptacle panel 101 and being capable of locking the receptacle housing 102 to the receptacle panel 101. The main function of the interlocking female end 105 is to lock the socket housing 102 on the socket panel 101, so as to prevent the socket housing and the socket panel from relative displacement, and ensure stable and reliable use.

In some embodiments, the plug assembly 2 further includes a pressing plate 204, a shielding case 206, a sealing member 207, a sealing baffle 208 and a tail cover 205, where the pressing plate 204 is installed on one side of the plug main body 201 opposite to the socket assembly 1, the tail cover 205 is installed on the other side of the plug main body 201, and plays a role in sealing protection, a shielding ring is sleeved on the cable assembly 203, a through hole is formed in the shielding case 206 corresponding to the cable assembly 203, after the shielding case 206 is sleeved on the cable assembly 203, an annular bend at the through hole of the shielding case 206 can be sleeved on the shielding ring to play a role in protection, and the sealing baffle 208 is disposed between the shielding case 206 and the tail cover 205, and the sealing member 207 is disposed between the baffle and the shielding case 206, so as to ensure that the sealing effect of the cable assembly 203 meets requirements.

Specifically, a plurality of guide ribs 2012 are disposed in the plug main body 201, the outer wall surface of the terminal housing 202 is in interference fit with each guide rib 2012, a second buckle 2022 that is in interference fit with the guide ribs 2012 is further disposed on the outer wall surface of the terminal housing 202, a plurality of limit ribs 2021 and elastic bosses 2023 are disposed on the inner wall surface of the terminal housing 202, the elastic bosses 2023 are extruded when the cable assembly 203 is inserted in the insertion direction, after the cable assembly 203 is inserted in place, the elastic bosses 2023 reset and clamp the cable assembly 203, and the cable assembly 203 comprises terminals and cables electrically connected with the terminals. In order to facilitate understanding, two cables and two terminals at the lower end are defined as a first pin and a second pin respectively, the cables and the terminals at the upper end are a third pin, in the scheme, the terminal housing 202 is pushed in an interference manner through a guide raised line 2012 in the plug main body 201 and is matched with the guide raised line 2012 in the plug main body 201 by a second buckle 2022 to achieve a thrust effect, the cable assembly 203 with the shielding ring forces the first pin and the second pin to be pushed into the terminal housing 202 in the aligning direction through a limit raised line 2021 of the terminal housing 202, and the third pin is pushed in to press down the elastic raised line 2023 by the elastic deformation of the elastic raised line 2023, and the cable assembly 203 is fixed in the terminal housing 202 by the reset and jacking of the elastic raised line 2023 after the terminals pass through the elastic raised line 2023.

In some embodiments, the plug main body 201 includes a first inner wall 2013 and a second inner wall 2014, a sealing groove 2015 for embedding a sealing ring is formed between the first inner wall 2013 and the second inner wall 2014, a plugging groove 2016 for inserting the socket panel 101 is enclosed between the first wall and the sealing groove 2015, a male buckle 2018 is arranged outside the plug main body 201, a female buckle engaged with the male buckle 2018 in a matching manner is arranged on the tail cover 205, a through hole boss 2017 corresponding to the first locking hole 1012 is further arranged in the plug main body 201, and the locking member 3 passes through the through hole boss 2017 and is locked in the first locking hole 1012. The terminal housing 202 is provided with a copper bar groove 2024, a peeping port 2025 and a positioning hole 2026, wherein the copper bar groove 2024 corresponds to the fixing groove 1021, the copper bar groove 2024 can be used for inserting the socket copper bar 103 to be connected with a terminal, the peeping port 2025 is mainly used for testing, debugging, monitoring and other purposes, an engineer or a technician can be helped to perform work such as troubleshooting, performance analysis and signal debugging, the positioning hole 2026 is used for positioning the mounting pressing plate 204, the pressing plate 204 is provided with a bolt hole 2041 for the locking piece 3 to pass through, a positioning column 2042 matched with the plug main body 201 to be positioned, an interlocking mounting cavity 2043 matched with the interlocking female end 105 to be locked, and a plurality of connecting bosses 2044 matched with the plug main body 201 in an interference mode.

Specifically, the locking member 3 is specifically a bolt, and the plug assembly 2 and the socket assembly 1 are rigidly connected through the bolt, so that the stability of the high-voltage connector in operation is greatly improved.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are merely for convenience of description and to simplify the operation, 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 thus should not be construed as limiting the application. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present application is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the application and should not be taken in any way as limiting the scope of the application. Other embodiments of the application will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. A high-voltage connector is characterized by comprising a socket assembly (1), a plug assembly (2) capable of being plugged into the socket assembly (1) and a locking piece (3) capable of locking the socket assembly (1) and the plug assembly (2), wherein the socket assembly (1) comprises a socket panel (101), a socket shell (102) and three socket copper bars (103), the socket shell (102) is mounted on the socket panel (101), three fixing grooves (1021) distributed in a delta shape are formed in the socket shell (102), three socket copper bars (103) are correspondingly plugged into the three fixing grooves (1021) along a first direction, a first baffle plate (1022) crossing the three fixing grooves (1021) is formed in an extending mode, the first baffle plate (1022) cuts off an electrical gap between the socket copper bars (103) at the upper end and the socket copper bars (103) at the two lower ends, the main body assembly (2) comprises a plug cable (202), a terminal (201) and a second terminal (203) which are plugged into the main body assembly (202) along the first direction, the plug main body (201) is inserted on the socket panel (101), the cable assembly (203) is correspondingly and electrically connected with the socket copper bar (103), and the first direction is perpendicular to the second direction.

2. The high-voltage connector according to claim 1, wherein a supporting portion (1011) is provided on the receptacle panel (101), a first locking hole (1012) and a second locking hole (1013) are provided on the supporting portion (1011), the locking member (3) is locked to the first locking hole (1012) through the plug main body (201), the receptacle housing (102) and the receptacle panel (101) are locked by a fastener (104), and the fastener (104) is locked to the second locking hole (1013) through the receptacle housing (102).

3. The high-voltage connector according to claim 2, wherein the supporting portion (1011) is provided with a plurality of guiding slopes (1014), and the socket housing (102) is provided with a first buckle (1023) which is engaged with the guiding slopes (1014) and is guided and locked.

4. The high-voltage connector according to claim 1, wherein a second baffle plate (1015) is protruding from one side of the socket panel (101) opposite to the plug assembly (2), a guide bar (1016) is provided on the second baffle plate (1015), and a guide groove (2011) that is guided by matching with the guide bar (1016) is provided on the inner wall of the plug main body (201).

5. The high voltage connector of claim 1, wherein the receptacle assembly (1) further comprises an interlocking female end (105), the interlocking female end (105) being mounted to the receptacle panel (101) and capable of locking the receptacle housing (102) to the receptacle panel (101).

6. The high voltage connector according to any one of claims 1-5, wherein a plurality of guiding ribs (2012) are provided in the plug main body (201), an outer wall surface of the terminal housing (202) is in interference fit with each guiding rib (2012), and a second buckle (2022) which is in fit with the guiding rib (2012) and stops is further provided on the outer wall surface of the terminal housing (202).

7. The high-voltage connector according to any one of claims 1 to 5, wherein the inner wall surface of the terminal housing (202) is provided with a plurality of spacing ribs (2021), and the cable assembly (203) is inserted into the terminal housing (202) through each of the spacing ribs (2021).

8. The high voltage connector according to any one of claims 1-5, wherein an elastic boss (2023) is further provided in the terminal housing (202), the elastic boss (2023) is pressed when the cable assembly (203) is inserted in the insertion direction, and after the cable assembly (203) is inserted in place, the elastic boss (2023) is reset to clamp the cable assembly (203).

9. The high voltage connector according to any of claims 1-5, wherein a shielding ring is fitted over the cable assembly (203), and a shielding cover (206) is fitted over the shielding ring.

10. The high voltage connector according to any one of claims 1-5, wherein a pressing plate (204) is arranged at one end of the plug main body (201) opposite to the socket assembly (1), a tail cover (205) is arranged at the other end, a through hole for the cable assembly (203) to pass through is formed in the tail cover (205), and a sealing element (207) is arranged between the cable assembly (203) and the tail cover (205).