Integrated high-voltage connector assembly

Abstract

The utility model relates to the technical field of connectors, in particular to an integrated high-voltage connector assembly, which solves the problem of complicated switching steps when a wire end connector is connected with a terminal on a printed circuit board (PCB) in the prior art, and comprises the wire end connector and an outer box shell, the PCB is arranged on the inner side of the outer box shell, the PCB is connected with a switching assembly, and the switching assembly is connected with the wire end connector. The wire end connector penetrates through the outer box shell to be connected with the switching assembly in an inserted mode, and a locking assembly and a sealing assembly are arranged between the wire end connector and the outer box shell. The beneficial effects of the utility model are that the wire end connector is directly matched with the outer box housing, thereby reducing the number of used terminals, omitting tedious switching steps, improving the reliability of connection, omitting a shielding switching step, effectively reducing the contact resistance, and optimizing the performance of the connector; the plugging sheath is used as the board end of the connector to be integrated on the outer box shell, so that the number of parts of the connector assembly is reduced, and the overall size of equipment is effectively reduced.

Description

TECHNICAL FIELD

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

[0002] With the enhancement of global environmental protection consciousness and the transformation of energy structure, the new energy vehicle industry has ushered in unprecedented development opportunities. As one of the core components of new energy vehicles, the performance of high-voltage connector assembly is directly related to the safe operation and energy efficiency of the entire vehicle. However, the traditional connector assembly has many deficiencies in the switching step and sealing requirements, such as low production efficiency caused by complicated switching steps, complex sealing structure prone to failure, etc., which seriously restricts the further development and application of new energy vehicle technology. Therefore, developing a new type of high-voltage connector assembly to simplify the switching step, optimize the sealing structure and improve the overall performance has become a key problem to be solved in the current new energy vehicle field.

[0003] The patent with publication number CN219833102U discloses a switching high-voltage connector assembly, which includes a board end assembly and a switching assembly. The board end assembly is inserted with the switching assembly. The switching assembly includes a switching sheath and a switching terminal. The switching terminal is inserted with the switching sheath and extends out of the switching sheath. When the connector assembly is used in a plug-in manner, the line end connection needs to be connected with the switching assembly on the PCB board by means of the board end assembly, which requires the use of more terminals and involves complicated switching steps and complex sealing requirements, which increases the potential failure mode and reduces the reliability of the connection. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of integrated high-voltage connector assembly, solve the problem that line end connector is connected with terminal on PCB board in prior art switching step is complicated.

[0005] The technical solution of the utility model is as follows:

[0006] An integrated high-voltage connector assembly includes a line end connector and an outer box shell. The inner side of the outer box shell is provided with a PCB board, and the PCB board is connected with a switching assembly. The line end connector is inserted and connected with the switching assembly through the outer box shell. The line end connector and the outer box shell are provided with a locking assembly and a sealing assembly. The line end connector is directly matched with the outer box shell, reducing the number of terminals used, eliminating the complicated switching step, improving the reliability of the connection, and eliminating a shielding switching step, effectively reducing the contact resistance and optimizing the performance of the connector.

[0007] The adapter assembly comprises an adapter sheath, the adapter sheath is internally provided with a pin, one end of the pin is welded to the PCB board, and the other end of the pin is connected to the wire end connector. The adapter sheath plays a role in protecting and fixing the pin, and the adapter sheath can isolate the erosion of the external environment to the pin and the welding point. The adapter assembly can be used as an electrical component on the PCB board, and the assembly is completed synchronously during the welding process of the electrical component on the PCB board, and then the PCB board is installed in the equipment as a whole, thereby simplifying the assembly process and improving the assembly efficiency.

[0008] The pin comprises a welding pin and a signal pin, the welding pin is connected to the adapter sheath, and the signal pin is integrally injection molded with the adapter sheath. The welding pin is responsible for efficiently and stably transmitting power or high-current signals to the PCB board, while the signal pin is dedicated to transmitting low-level, high-speed or high-frequency signals to ensure the integrity and accuracy of the signals.

[0009] The welding pin and the signal pin are both L-shaped structures. The L-shaped structure can realize a 90° angle connection between the PCB board inside the equipment and the wire end connector outside the equipment.

[0010] The welding pin is provided with a barb structure, and the barb structure cooperates with the inner wall of the pin hole of the adapter sheath. The barb structure can effectively ensure the connection stability of the welding pin and the adapter sheath, and ensure the reliable connection.

[0011] The outer box shell is provided with a plug-in sheath, the plug-in sheath corresponds to the adapter sheath in position, and the locking assembly and the sealing assembly are arranged between the plug-in sheath and the wire end connector.

[0012] The plug-in sheath is a tubular structure, and one end of the plug-in sheath is integrally connected to the outer box shell. Integrating the plug-in sheath as the board end of the connector on the outer box shell reduces the number of parts of the connector assembly and effectively reduces the overall volume of the equipment.

[0013] The plug-in sheath is located on the outer side of the outer box shell. When the plug-in sheath is arranged on the outer side of the outer box shell, the space utilization inside the equipment can be improved, thereby reducing the volume of the equipment.

[0014] The locking assembly comprises a locking boss and a locking hole, the locking hole is arranged on the plug-in sheath, the wire end connector is provided with an elastic cantilever, the locking boss is arranged on the elastic cantilever, and the locking boss cooperates with the locking hole. The cooperation of the locking boss and the locking hole realizes the connection between the wire end connector and the plug-in sheath, and further realizes the connection between the wire end connector and the outer box shell.

[0015] The sealing assembly comprises a sealing ring, the sealing ring is sleeved on the wire end connector, and the sealing ring cooperates with the inner wall of the plug-in sheath. Compared with the existing connector, the design requirement of the sealing assembly is simplified, and the reliability of the sealing is enhanced.

[0016] The utility model discloses a beneficial effect is: 1, the line end connector is directly matched with the outer box casing, reduced the use number of terminal, has saved the complicated adapter step, improved the reliability of connection, can save a shielding adapter step simultaneously, effectively reduced the contact resistance, optimized the performance of connector, the plug-in sheath is integrated as the board end of connector on the outer box casing, reduced the part quantity of connector assembly, effectively reduced the overall volume of equipment.

[0017] 2, the adapter sheath plays the role of protection and fixed pin, and the adapter sheath can isolate the erosion of outside environment to pin and welding point. The adapter assembly can be as an electrical component on the PCB board, and the assembly is completed synchronously in the welding process of the electrical component on the PCB board, and then is installed in the equipment together with the PCB board as a whole, simplifies the assembly process and improves the assembly efficiency.

[0018] 3, the welding pin and signal pin are all L-shaped structure, and the L-shaped structure can realize the 90° angle connection between the PCB board in the equipment and the line end connector outside the equipment.

[0019] 4, when the plug-in sheath is arranged on the outer side of the outer box casing, the space utilization rate in the equipment can be improved, and then the equipment volume is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0021] Figure 1 It is an integrated high-voltage connector assembly structure diagram of the utility model;

[0022] Figure 2 It is an integrated high-voltage connector assembly explosion map;

[0023] Figure 3 It is an adapter assembly explosion map;

[0024] Figure 4 It is a welding pin and adapter sheath connection schematic diagram;

[0025] Figure 5 It is a signal pin and adapter sheath connection schematic diagram;

[0026] Figure 6 It is a connector assembly section Figure 1 ;

[0027] Figure 7 Cross-section of connector assembly Figure 2 .

[0028] In the diagram: 1. Cable connector, 2. Outer housing, 3. Adapter assembly, 4. PCB board, 11. Locking boss, 12. Sealing ring, 21. Insertion sleeve, 22. Locking hole, 31. Adapter sleeve, 32. Solder pin, 33. Signal pin, 34. Barb structure. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1, as Figure 1 , Figure 2 As shown, an integrated high-voltage connector assembly includes a wire-end connector 1 and an outer housing 2. A PCB board 4 is located inside the outer housing 2, and an adapter component 3 is connected to the PCB board 4. The wire-end connector 1 passes through the outer housing 2 and plugs into the adapter component 3. A locking component and a sealing component are provided between the wire-end connector 1 and the outer housing 2. The wire-end connector 1 directly mates with the outer housing 2, reducing the number of terminals used, eliminating cumbersome adapter steps, improving connection reliability, and eliminating a shielding adapter step, effectively reducing contact resistance and optimizing connector performance. The locking component ensures stable installation of the wire-end connector 1 on the outer housing 2, and the sealing component ensures the seal between the wire-end connector 1 and the outer housing 2, thereby ensuring the overall sealing of the equipment.

[0031] Furthermore, such as Figure 3 As shown, the adapter assembly 3 includes an adapter sleeve 31, within which a pin is provided. One end of the pin is soldered to the PCB board 4, and the other end is plugged into the wire connector 1. The adapter sleeve 31 serves to protect and secure the pin, and also isolates the pin and solder joint from external environmental corrosion. The adapter assembly 3 can function as an electrical component on the PCB board 4, completing assembly simultaneously during the soldering process of the electrical components on the PCB board 4. Subsequently, it is installed as a whole with the PCB board 4 inside the equipment, simplifying the assembly process and improving assembly efficiency.

[0032] Furthermore, such as Figure 4 , Figure 5As shown, the pin includes a welding pin 32 and a signal pin 33, the welding pin 32 is connected with the adapter sheath 31, and the signal pin 33 is integrally injection molded with the adapter sheath 31. The welding pin 32 is responsible for efficiently and stably transmitting power or high-current signals to the PCB board 4, while the signal pin 33 focuses on transmitting low-level, high-speed or high-frequency signals to ensure the integrity and accuracy of the signals.

[0033] Further, the welding pin 32 and the signal pin 33 are both L-shaped structures. The L-shaped structure can realize a 90° angle connection between the PCB board 4 inside the device and the line end connector 1 outside the device.

[0034] Further, the welding pin 32 is provided with a barb structure 34 which cooperates with the inner wall of the pin hole of the adapter sheath 31. The barb structure 34 can effectively ensure the connection stability of the welding pin 32 and the adapter sheath 31, and ensure the reliable connection.

[0035] In Example 2, based on Example 1, an integrated high-voltage connector assembly, the outer box shell 2 is provided with a plug-in sheath 21, the plug-in sheath 21 corresponds to the position of the adapter sheath 3, and the locking assembly and the sealing assembly are arranged between the plug-in sheath 21 and the line end connector 1.

[0036] Further, the plug-in sheath 21 is a tubular structure, and one end of the plug-in sheath 21 is integrally connected with the outer box shell 2. The plug-in sheath 21 is integrated as a board end of the connector on the outer box shell 2, reducing the number of parts of the connector assembly and effectively reducing the overall volume of the device.

[0037] Further, the plug-in sheath 21 is located on the outside of the outer box shell 2, which can improve the space utilization inside the device and thus reduce the volume of the device.

[0038] Further, as shown in Figure 2 , Figure 7 The locking assembly includes a locking boss 11 and a locking hole 22, the locking hole 22 is arranged on the plug-in sheath 21, the line end connector 1 is provided with an elastic cantilever, the locking boss 11 is arranged on the elastic cantilever, and the locking boss 11 is hung and cooperated with the locking hole 22. The cooperation of the locking boss 11 and the locking hole 22 realizes the connection of the line end connector 1 and the plug-in sheath 21, and further realizes the connection of the line end connector 1 and the outer box shell 2.

[0039] Further, as shown in Figure 6 The sealing assembly includes a sealing ring 12, the sealing ring 12 is sleeved on the line end connector 1, and the sealing ring 12 cooperates with the inner wall of the plug-in sheath 21. Compared with the existing connector, the design requirement of the sealing assembly is simplified, and the reliability of the sealing is enhanced.

[0040] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An integrated high-voltage connector assembly, comprising a wire-end connector (1) and an outer housing (2), wherein a PCB board (4) is disposed inside the outer housing (2), characterized in that, The PCB board (4) is connected to the adapter assembly (3), and the wire end connector (1) passes through the outer casing (2) and is plugged into the adapter assembly (3). A locking assembly and a sealing assembly are provided between the wire end connector (1) and the outer casing (2).

2. The integrated high-voltage connector assembly according to claim 1, characterized in that, The adapter assembly (3) includes an adapter sleeve (31), which has a pin inside. One end of the pin is soldered to the PCB board (4), and the other end of the pin is plugged into the wire connector (1).

3. The integrated high-voltage connector assembly according to claim 2, characterized in that, The pins include a solder pin (32) and a signal pin (33). The solder pin (32) is plugged into the adapter sleeve (31); the signal pin (33) is integrally injection molded into the adapter sleeve (31).

4. The integrated high-voltage connector assembly according to claim 3, characterized in that, Both the soldering pin (32) and the signal pin (33) are L-shaped.

5. The integrated high-voltage connector assembly according to claim 4, characterized in that, The welding pin (32) is provided with a barb structure (34), which is engaged with the inner wall of the pin hole on the adapter sleeve (31).

6. The integrated high-voltage connector assembly according to any one of claims 1 to 5, characterized in that, The outer casing (2) is provided with a plug-in sleeve (21), which corresponds to the position of the adapter sleeve (3). The locking component and the sealing component are located between the plug-in sleeve (21) and the wire connector (1).

7. The integrated high-voltage connector assembly according to claim 6, characterized in that, The plug-in sleeve (21) is a tubular structure, and one end of the plug-in sleeve (21) is integrally connected to the outer casing (2).

8. The integrated high-voltage connector assembly according to claim 6, characterized in that, The plug-in sleeve (21) is located on the outside of the outer casing (2).

9. The integrated high-voltage connector assembly according to claim 7 or 8, characterized in that, The locking assembly includes a locking boss (11) and a locking hole (22). The locking hole (22) is provided on the plug-in sleeve (21). The wire end connector (1) is provided with an elastic cantilever. The locking boss (11) is provided on the elastic cantilever. The locking boss (11) is engaged with the locking hole (22).

10. The integrated high-voltage connector assembly according to claim 7 or 8, characterized in that, The sealing assembly includes a sealing ring (12), which is fitted onto the line connector (1) and engages with the inner wall of the insertion sleeve (21).

Images