Busbar terminal and power distribution module
By designing a bus terminal with a first bending arm and a second bending arm structure, bidirectional fixation of the circuit board and the busbar is achieved, solving the problem of limited fixation methods in the prior art and improving assembly convenience and electrical connection reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN ZHONGHUI RUIDE ELECTRONICS CO LTD
- Filing Date
- 2025-04-24
- Publication Date
- 2026-05-08
AI Technical Summary
In existing large-scale low-voltage relay matrices, the way the busbars are fixed to the circuit board is constrained by the bus terminals, which means that the replacement and maintenance of the circuit board requires the busbars to be disassembled first, affecting assembly convenience and maintenance performance.
Design a bus terminal with a first bent arm and a second bent arm structure. The extension section is provided with a connecting part to connect with the busbar, and the second bent arm is provided with a solder foot to connect with the circuit board, so as to achieve fixation from both front and rear directions.
It improves the flexibility and convenience of assembling circuit boards and busbars, reduces maintenance time and costs, and enhances the stability and reliability of electrical connections.
Smart Images
Figure CN224217729U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electrical engineering technology, and in particular to a bus terminal and a power distribution module. Background Technology
[0002] The current rise of green energy demonstrates the immense potential of charging piles and energy storage technologies. As a core component of charging piles and energy storage industrial equipment, the rapid development of PDUs (Power Distribution Units) is undeniable. Existing PDU modules are primarily developing towards matrix centralized control, and the bus terminals on the circuit board, as a fundamental component of the PDU module, play a crucial role.
[0003] In existing PDU circuit boards, most bus terminals have a U-shaped threaded structure. In common large-scale low-voltage relay matrices, the way the busbar is fixed to the circuit board is constrained by the bus terminals. Since the circuit board often needs maintenance or replacement, the busbar and the circuit board can usually only be fixed in one direction. This means that replacing or maintaining the circuit board requires first removing the busbar and then removing the circuit board in the opposite direction, which greatly affects the convenience of assembly and the performance of subsequent maintenance. Utility Model Content
[0004] The main purpose of this utility model is to propose a bus terminal and power distribution module, which aims to solve the problem that in the existing large-scale matrix of low-voltage relays, the fixing method of the bus and the circuit board is constrained by the bus terminal. Since the circuit board often needs to be maintained or replaced, the bus and the circuit board can usually only be fixed in one direction. As a result, the replacement and maintenance of the circuit board requires first disassembling the bus and then removing the circuit board in the opposite direction, which greatly affects the convenience of assembly and the performance of later maintenance.
[0005] To achieve the above objectives, the present invention proposes a bus terminal for use in a power distribution module. The bus terminal includes a body having a first bent arm and a second bent arm, the first bent arm being connected to the second bent arm. An extension section protrudes from the end of the first bent arm away from the second bent arm, and the extension section is connected to the first bent arm. The extension section has a connecting portion for connecting the body to the busbar. The second bent arm has protruding solder feet for connecting to a circuit board; when the solder feet are connected to the circuit board, the connecting portion is exposed on the circuit board.
[0006] In one embodiment, the second bending arm has at least two weld feet protruding from it, and the second bending arm has at least one weld foot on each of its opposite sides along the length of the bending line of the first bending arm and the second bending arm.
[0007] In one embodiment, a first connecting chamfer is formed between all the weld feet and the second bending arm, and each of the first connecting chamfers connects one weld foot to the second bending arm.
[0008] In one embodiment, a first angle is formed between the plane containing the first bending arm and the plane containing the second bending arm, the first angle ranging from 85° to 95°.
[0009] In one embodiment, a second connecting chamfer is formed between the first bending arm and the second bending arm, the second connecting chamfer connecting the first bending arm and the second bending arm.
[0010] In one embodiment, the body has two second bending arms, both of which are connected to the first bending arm; each of the two second bending arms has at least one of the welding feet protruding from it.
[0011] In one embodiment, the connecting part is a connecting hole, and the inner peripheral wall of the connecting hole is provided with internal threads.
[0012] In one embodiment, the first bending arm, the second bending arm, and the extension section are all integrally formed structures.
[0013] This utility model also proposes a power distribution module, including a circuit board, a bus, and a bus terminal, wherein the bus terminal connects the circuit board and the bus.
[0014] In one embodiment, the circuit board has solder holes that are soldered to the solder pads, and the busbar has a mating part that is detachably connected to the connecting part.
[0015] This invention solves the problem of limited busbar-to-circuit fixing methods in existing technologies by modifying the busbar terminal structure design, enabling the disassembly and fixing of the circuit board and busbar from the direction closer to the circuit board. Specifically, the busbar terminal body is designed with a first bent arm and a second bent arm. One end of the first bent arm extends into an extension section with a connecting part for connecting to the busbar. The connecting part is a connection structure adapted to the busbar. The second bent arm has solder feet for connecting to the circuit board. In practical applications, such as in low-voltage power distribution modules, the circuit board is fixed to the busbar terminal via solder feet, while the busbar terminal can be mounted on the busbar via the connecting part. Due to the design of the extension section and the connecting part on the extension section, users can connect the busbar terminal to the busbar from either the side facing or away from the circuit board. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0017] Figure 1 A schematic diagram of a bus terminal embodiment provided by this utility model;
[0018] Figure 2 A schematic diagram of the structure of an embodiment of the power distribution module provided by this utility model;
[0019] Figure 3 for Figure 2 A magnified view of a section at point B in the middle;
[0020] Figure 4 A schematic diagram of a structure of a bus terminal and circuit board provided by this utility model;
[0021] Figure 5 A schematic diagram of another embodiment of the bus terminal provided by this utility model;
[0022] Figure 6 A schematic diagram of another embodiment of the bus terminal provided by this utility model;
[0023] Figure 7 A schematic diagram of another embodiment of the bus terminal provided by this utility model.
[0024] Explanation of icon numbers:
[0025] 100. Bus terminal; 1. Body; 11. First bending arm; 12. Second bending arm; 111. Extension section; 111a. Connecting part; 121. Solder foot; 122. First connecting chamfer; A. First included angle; 112. Second connecting chamfer; 200. Power distribution module; 2. Circuit board; 3. Busbar; 2a. Solder hole; 31. Mating part.
[0026] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0027] 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 scope of protection of the present utility model.
[0028] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.
[0029] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0030] This utility model proposes a bus terminal 100.
[0031] Please see Figures 1 to 4 In one embodiment of the present invention, the bus terminal 100 includes a body 1, the body 1 having a first bent arm 11 and a second bent arm 12, the first bent arm 11 being connected to the second bent arm 12; an extension section 111 protrudes from one end of the first bent arm 11 away from the second bent arm 12, the extension section 111 being connected to the first bent arm 11; wherein, the extension section 111 has a connecting portion 111a, the connecting portion 111a being used to connect the body 1 and the bus 3; the second bent arm 12 has a solder foot 121 protruding, the solder foot 121 being used to connect to the circuit board 2, and when the solder foot 121 is connected to the circuit board 2, the connecting portion 111a is exposed on the circuit board 2.
[0032] In this embodiment, by optimizing the structural design of the bus terminal 100, the function of fixing the circuit board 2 and the busbar 3 from both front and rear directions is realized, thereby solving the problem of limited fixing direction of the busbar 3 and the circuit board 2 in the prior art. Specifically, the body 1 of the bus terminal 100 is designed with a structure having a first bending arm 11 and a second bending arm 12. One end of the first bending arm 11 extends into an extension section 111, which is provided with a connecting part 111a for connecting with the busbar 3. The connecting part 111a can be a threaded hole, a slot, or other connection structure adapted to the busbar 3. The second bending arm 12 is provided with a solder foot 121 for connecting with the circuit board 2. The solder foot 121 can be a cylinder, a cuboid, or other fixing structure adapted to the circuit board 2. In practical applications, such as in a low-voltage relay matrix, the bus terminal 100 can be mounted on the busbar 3 via the connecting part 111a, while the circuit board 2 is fixed to the bus terminal 100 via solder feet 121. Since the connecting part 111a is exposed on the circuit board 2 when the solder feet 121 are connected, the user can directly disassemble the connecting part 111a from one side of the circuit board 2, thereby simultaneously removing the circuit board 2. This design frees the user from being limited to a single direction, thus improving the flexibility and convenience of assembly. Furthermore, to further optimize the assembly process, guide structures, such as guide grooves or locating pins, can be provided on the connecting part 111a and solder feet 121 of the bus terminal 100 to ensure that the busbar 3 and circuit board 2 can be quickly and accurately installed, reducing assembly time and error rates.
[0033] By employing a dual-directional fixing structure, the bus terminal 100 overcomes the limitations of traditional designs, significantly improving the flexibility and convenience of assembling the circuit board 2. In large-scale low-voltage relay matrix applications, this design frees the installation of the busbar 3 and circuit board 2 from being restricted to a single direction, reducing assembly difficulties and maintenance inconveniences caused by directional limitations. For example, in situations requiring frequent maintenance and replacement of the circuit board 2, operators can simply stand on one side of the circuit board 2 to assemble and disassemble the bus terminal 100 and circuit board 2 without disassembling the entire busbar 3, thereby significantly shortening maintenance time and reducing maintenance costs.
[0034] In one embodiment of this utility model, please refer to Figure 1 , Figure 5 as well as Figure 6 The second bending arm 12 is provided with at least two welding feet 121. The second bending arm is provided with at least one welding foot 121 on each side opposite to the bending line of the first bending arm 11 and the second bending arm 12.
[0035] In one embodiment, the second bent arm 12 has at least two protruding solder feet 121, which are used to firmly solder the bus terminal 100 to the circuit board 2, ensuring the stability and reliability of the electrical connection. Specifically, the second bent arm 12 has at least one solder foot 121 on each of its opposite sides along the bending line length of the first bent arm 11 and the second bent arm 12. This arrangement can effectively disperse welding stress and avoid cracking or loosening of the solder joint due to stress concentration. For example, two solder feet 121 can be provided on each side of the second bent arm 12 to form a symmetrical welding structure, thereby further enhancing the connection strength between the bus terminal 100 and the circuit board 2. This design is not only suitable for low-voltage relay matrices, but can also be widely used in other scenarios requiring high-reliability electrical connections, such as charging piles and energy storage systems.
[0036] The bus terminal 100 of this invention significantly improves the connection strength and reliability between the bus terminal 100 and the circuit board 2 by providing at least two solder feet 121 on the second bent arm 12. This design effectively disperses welding stress, preventing cracking or loosening of the solder joint due to stress concentration, thereby extending the product's service life and reducing maintenance costs caused by solder joint failures. Furthermore, the symmetrical welding structure also improves the stability of the bus terminal 100 on the circuit board 2, reducing electrical connection problems caused by vibration or impact. For example, in charging pile applications, this design ensures stable operation of the bus terminal 100 under high current loads, improving the overall reliability of the system.
[0037] In one embodiment of this utility model, please refer to Figure 1 , Figure 5 as well as Figure 6 A first connecting chamfer 122 is formed between all the weld feet 121 and the second bending arm 12, and each first connecting chamfer 122 connects a weld foot 121 and the second bending arm 12.
[0038] In this embodiment, each solder foot 121 on the second bent arm 12 of the bus terminal 100 has a first connecting chamfer 122 between it and the second bent arm 12. This design, by machining a chamfer at the connection between the solder foot 121 and the second bent arm 12, allows the solder to fill the connection area between the solder foot 121 and the circuit board 2 more smoothly during soldering, thereby improving the soldering quality. Specifically, the first connecting chamfer 122 can be a 45-degree angle or a rounded chamfer to ensure that the solder can fully wet the solder foot 121 and the pads of the circuit board 2. For example, in a specific embodiment, the second bent arm 12 has four solder feet 121, and each solder foot 121 has a 45-degree first connecting chamfer 122 between it and the second bent arm 12. The size of these chamfers can be adjusted according to the actual soldering process requirements to ensure the reliability and consistency of the soldering. With this design, the bus terminal 100 can better integrate with the circuit board 2 during the soldering process, maintaining a stable electrical connection even under high current loads or harsh environments.
[0039] The design of the first chamfer 122 allows the solder to fill the connection area between the solder pad 121 and the circuit board 2 more smoothly, reducing soldering defects such as cold solder joints and insufficient solder. This design not only improves the reliability of soldering but also enhances the mechanical strength of the solder joint, enabling the bus terminal 100 to maintain a stable electrical connection under high current loads or vibration environments, thus extending the product's service life.
[0040] In one embodiment of this utility model, please refer to Figure 1 , Figure 5 as well as Figure 6 A first included angle A is formed between the plane where the first bending arm 11 is located and the plane where the second bending arm 12 is located, and the range of the first included angle A is 85° to 95°.
[0041] In one embodiment, the included angle (first included angle A) between the first bending arm 11 and the second bending arm 12 is precisely controlled within the range of 85° to 95°. This design optimizes the spatial layout and mechanical stability of the bus terminal 100 by adjusting the bending angle. In specific implementations, this included angle can be precisely processed through processes such as stamping and bending. For example, in one embodiment, the first included angle A is designed to be 90°. This right-angle design allows the bus terminal 100 to better adapt to common circuit board 2 layouts while providing good mechanical support and stability. In another embodiment, the first included angle A is designed to be 85°. This slightly tilted angle can further optimize the contact area between the bus terminal 100 and the circuit board 2, reduce stress concentration, and improve the reliability of the connection. This design is not only suitable for standard circuit board 2 layouts but can also be adjusted according to specific application requirements to meet different installation and usage scenarios. By controlling the first included angle A between the first bending arm 11 and the second bending arm 12 within the range of 85° to 95°, this invention significantly improves the mechanical stability and electrical connection performance of the bus terminal 100. This angle range design allows the bus terminal 100 to maintain a stable structure under different installation conditions, reducing deformation or damage caused by mechanical stress.
[0042] In one embodiment of this utility model, please refer to Figure 1 , Figure 5 as well as Figure 6 A second connecting chamfer 112 is formed between the first bending arm 11 and the second bending arm 12, and the second connecting chamfer 112 connects the first bending arm 11 and the second bending arm 12.
[0043] In this embodiment, the first bending arm 11 and the second bending arm 12 are connected by a second connecting chamfer 112. This design, by machining a chamfer at the bend, makes the stress distribution of the bent portion more uniform, thereby improving the mechanical strength and reliability of the bus terminal 100. In specific implementation, the second connecting chamfer 112 can be a 45-degree or arc-shaped chamfer to ensure the strength and stability at the bend. For example, the second connecting chamfer 112 between the first bending arm 11 and the second bending arm 12 of the bus terminal 100 is designed to be 45 degrees. The size and angle of this chamfer can be adjusted according to the actual machining capabilities and usage requirements. Through this design, the stress concentration problem at the bend of the bus terminal 100 is effectively alleviated, while improving the overall structural strength of the bus terminal 100, enabling it to better withstand mechanical stress and electrical loads. This utility model significantly improves the mechanical strength and reliability of the bus terminal 100 by setting a second connecting chamfer 112 between the first bending arm 11 and the second bending arm 12. The design of the second connecting chamfer 112 makes the stress distribution at the bend more uniform, reducing the risk of cracking or deformation at the bend due to stress concentration. By optimizing the angle and size of the second connecting chamfer 112, the machining accuracy and assembly efficiency of the bus terminal 100 can be further improved, and production costs can be reduced.
[0044] In one embodiment of this utility model, please refer to Figure 7 The main body 1 has two second bending arms 12, both of which are connected to the first bending arm 11; each of the two second bending arms 12 is provided with at least one welding foot 121.
[0045] In one embodiment, the body 1 includes a first bent arm 11 and two second bent arms 12, with the two second bent arms 12 respectively connected to the first bent arm 11. This structural design enables the bus terminal 100 to provide more stable support and more reliable electrical connection. Specifically, each second bent arm 12 has at least one solder foot 121 protruding from it, which is used to firmly solder the bus terminal 100 to the circuit board 2. For example, each second bent arm 12 can be provided with two solder feet 121 to form a symmetrical welding structure, thereby further enhancing the connection strength between the bus terminal 100 and the circuit board 2. This design is not only suitable for low-voltage relay matrices, but can also be widely used in other scenarios requiring high-reliability electrical connections, such as charging piles and energy storage systems. Through this structural design, the bus terminal 100 can better adapt to different installation requirements, improving the overall stability and reliability of the system.
[0046] This design enables the bus terminal 100 to provide more stable support, reducing deformation or damage caused by mechanical stress. Simultaneously, the symmetrical welding structure effectively disperses welding stress, preventing weld cracking or loosening due to stress concentration, thereby extending product lifespan and reducing maintenance costs. For example, in charging piles or energy storage systems, this design ensures stable operation of the bus terminal 100 under high current loads, improving the overall reliability of the system. Furthermore, by optimizing the number and layout of the solder feet 121, the assembly efficiency and welding quality of the bus terminal 100 can be further improved, enabling it to perform excellently in various application scenarios and meet diverse usage requirements.
[0047] In one embodiment of this utility model, please refer to Figure 1 , Figure 5 as well as Figure 6 The connecting part 111a is a connecting hole, and the inner peripheral wall of the connecting hole is provided with internal threads.
[0048] In this embodiment, the connecting portion 111a of the bus terminal 100 is designed as a connecting hole, and the inner circumferential wall of the connecting hole is provided with an internal thread. This design allows the bus terminal 100 to be fixed to the busbar 3 or other external structures via a threaded connection, thereby achieving a stable mechanical connection and a reliable electrical connection. In specific implementations, the internal thread of the connecting hole can be selected according to different thread specifications, such as metric or imperial threads, to adapt to different application scenarios. For example, in a specific embodiment, the internal thread of the connecting hole can be designed as an M5 thread for mating with a standard M5 bolt to fix the bus terminal 100 to the busbar 3. In addition, the diameter and depth of the connecting hole can also be adjusted according to the thread specification and the size of the busbar 3 to ensure the stability and reliability of the connection. Through this threaded connection method, the bus terminal 100 can be easily installed and disassembled, while providing sufficient mechanical strength and electrical contact performance. The threaded connection method not only provides stable mechanical fixation but also ensures good electrical contact, reduces contact resistance, and improves the efficiency and stability of the electrical connection. The threaded connection method also offers the advantages of easy installation and disassembly, making the maintenance and replacement of the bus terminal 100 more convenient and reducing maintenance costs. By selecting the appropriate thread specification, the connection performance of the bus terminal 100 can be further optimized, enabling it to adapt to different application scenarios and usage requirements.
[0049] In one embodiment of this utility model, please refer to Figure 1 , Figures 5 to 7 The first bending arm 11, the second bending arm 12, and the extension section 111 are all integrally formed structures.
[0050] In one embodiment, the first bent arm 11, the second bent arm 12, and the extension 111 of the bus terminal 100 are integrally formed. This design eliminates the potential weaknesses of traditional split structures caused by welding or riveting during the manufacturing process by forming these three parts in one step. In specific implementation, metal stamping or casting processes can be used to achieve integral forming, ensuring the integrity and strength of the structure. For example, high-strength copper or copper alloy materials can be used to manufacture the integral bus terminal 100 with the first bent arm 11, the second bent arm 12, and the extension 111 through precision stamping. This manufacturing method not only improves production efficiency but also ensures precise fit and good electrical connection between the various parts. In practical applications, this integrally formed bus terminal 100 can be widely used in various electrical devices, such as charging piles, energy storage systems, and low-voltage relay matrices, providing stable and reliable electrical connections for these devices. The integrally formed design eliminates the contact resistance and mechanical weaknesses that may occur in traditional split structures due to welding or riveting, thereby ensuring the stability of the electrical connection and the robustness of the mechanical structure. For example, in charging piles or energy storage systems, this design can effectively reduce electrical faults caused by loose connections or poor contact, improving the overall reliability and safety of the system. Furthermore, the one-piece molded structure simplifies the manufacturing process, reduces production costs, and minimizes assembly errors, thus improving production efficiency. This design performs excellently in practical applications, meeting the high-performance requirements of various electrical devices for the bus terminal 100, and has broad application prospects.
[0051] This utility model also proposes a power distribution module 200, please refer to [link / reference]. Figures 1 to 4 The power distribution module 200 includes a circuit board 2, a busbar 3, and a bus terminal 100. The specific structure of this module is as described in the above embodiments. Since this power distribution module 200 adopts all the technical solutions of all the above embodiments, it possesses at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be elaborated upon here. The bus terminal 100 connects the circuit board 2 and the busbar 3.
[0052] In this embodiment, the power distribution module 200 proposed by this utility model integrates a circuit board 2, a busbar 3, and a bus terminal 100, with the core being the unique design of the bus terminal 100. Specifically, the bus terminal 100 achieves a stable connection with the circuit board 2 and the busbar 3 through its integrally formed structure of a first bent arm 11, a second bent arm 12, and an extension 111. In practical applications, the connecting portion 111a of the bus terminal 100 (such as the connecting hole and its internal thread) is used for mechanical and electrical connection with the busbar 3, while the solder feet 121 on the second bent arm 12 ensure reliable soldering with the circuit board 2. This design enables the power distribution module 200 to maintain stable electrical performance and mechanical stability even under high current loads and complex environments.
[0053] In one embodiment of this utility model, please refer to Figure 2 and Figure 3 The circuit board 2 has a soldering hole 2a, which is soldered to the solder foot 121. The busbar 3 has a mating part 31, which is detachably connected to the connecting part 111a.
[0054] In one embodiment, the circuit board 2 has solder holes 2a, which are soldered to the solder feet 121 on the bus terminal 100. The solder holes 2a can be designed as circular or square holes matching the shape of the solder feet 121. After the solder feet 121 are inserted into the solder holes 2a, they are fixed by soldering. Simultaneously, the busbar 3 has a mating part 31, which forms a detachable connection with the connecting part 111a (such as a connecting hole and its internal thread) of the bus terminal 100. This design allows for quick assembly and disassembly of the busbar 3 and the bus terminal 100 via threaded connections, further improving the module's flexibility and maintainability. The mating part 31 can be an externally threaded post that matches the internal thread of the connecting hole; tightening the threaded post achieves a fixed connection between the busbar 3 and the bus terminal 100. This detachable connection method not only facilitates installation and maintenance but also allows for quick replacement of damaged components when needed, reducing repair time and costs.
[0055] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A bus terminal, used in a power distribution module, characterized in that, include: The body (1) has a first bending arm (11) and a second bending arm (12), the first bending arm (11) and the second bending arm (12) are connected; an extension section (111) is provided at one end of the first bending arm (11) away from the second bending arm (12), and the extension section (111) is connected to the first bending arm (11); The extension section (111) is provided with a connecting part (111a), which is used to connect the body (1) and the busbar (3); the second bending arm (12) is provided with a solder foot (121), which is used to connect the circuit board (2). When the solder foot (121) is connected to the circuit board (2), the connecting part (111a) is exposed on the circuit board (2).
2. The bus terminal as described in claim 1, characterized in that, The second bending arm (12) is provided with at least two of the aforementioned welding feet (121), and the second bending arm (12) is provided with at least one of the aforementioned welding feet (121) on both sides of the bending line length direction of the first bending arm (11) and the second bending arm (12).
3. The bus terminal as described in claim 2, characterized in that, A first connecting chamfer (122) is formed between all the weld feet (121) and the second bent arm (12), and each first connecting chamfer (122) connects a weld foot (121) and the second bent arm (12).
4. The bus terminal as described in any one of claims 1 to 3, characterized in that, A first included angle (B) is formed between the plane where the first bending arm (11) is located and the plane where the second bending arm (12) is located, and the first included angle (B) ranges from 85° to 95°.
5. The bus terminal as described in claim 4, characterized in that, A second connecting chamfer (112) is formed between the first bending arm (11) and the second bending arm (12), and the second connecting chamfer (112) connects the first bending arm (11) and the second bending arm (12).
6. The bus terminal as described in claim 1, characterized in that, The body (1) has two second bending arms (12), both of which are connected to the first bending arm (11); both of the second bending arms (12) are provided with at least one of the welding feet (121).
7. The bus terminal as described in any one of claims 1 to 3, characterized in that, The connecting part (111a) is a connecting hole, and the inner peripheral wall of the connecting hole is provided with internal threads.
8. The bus terminal as described in any one of claims 1 to 3, characterized in that, The first bending arm (11), the second bending arm (12), and the extension section (111) are all integrally formed structures.
9. A power distribution module, characterized in that, include: Circuit board (2); Busbar (3); as well as The bus terminal as described in any one of claims 1 to 8, wherein the bus terminal connects the circuit board (2) and the bus (3).
10. The power distribution module as described in claim 9, characterized in that, The circuit board (2) has a soldering hole (2a) which is soldered to the solder foot (121). The busbar (3) has a mating part (31) which is detachably connected to the connecting part (111a).