Terminal, PCB assembly and vehicle

Abstract

The utility model discloses a terminal, a PCB assembly and a vehicle, the terminal is used for being connected with a cable, the terminal comprises a terminal body and at least one first crimping arm, one end of the first crimping arm is connected with the terminal body, the other end of the first crimping arm is a free end, and the other end of the first crimping arm is connected with the terminal body. The first crimping arm can be deformed to switch between a first state and a second state; in the first state, the first crimping arm can be matched with the terminal body to clamp the cable so as to realize electric connection between the cable and the terminal; and in the second state, the clamping of the cable by the first crimping arm and the terminal body is released. The terminal is simple in structure and convenient to assemble and disassemble, and the contact resistance in the electric connection process is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a terminal, a PCB assembly and a vehicle. Background Art

[0002] At present, there are three general ways to fix the board-side connector to the PCB: SMT (Surface mounting technology) welding, DIP (Dual in-line package) welding and snap-in. SMT welding is to mount the nearly horizontal solder pins of the board-side connector to the solder surface on the PCB (printed circuit board), and then use wave soldering or reflow soldering to achieve a fixed connection between the board-side connector and the PCB. The DIP welding form is to insert the nearly vertical solder pins of the board-side connector into the soldered vias on the PCB, and then use wave soldering or reflow soldering to achieve a fixed connection between the board-side connector and the PCB. Snap-in is to squeeze the deformable part of the "fisheye" shape of the plug terminal into the PCB hole, and the deformable part rebounds and snaps in after passing through the PCB hole. Regardless of the fixed mode of the board-to-wire connector, the connector assembly includes at least four parts: the board-side housing, the board-side terminal, the wire-side sheath, and the wire-side terminal. There are many parts, the cost is relatively high, and there is a contact connection between the board-side terminal and the wire-side terminal, which will increase the conduction risk and increase the contact resistance. Utility Model Content

[0003] The utility model aims to solve the technical problems of high manufacturing cost and complex structure of board-to-wire connector in the prior art. To this end, the present application provides a terminal with a simple structure, easy to load and unload, and greatly reduces the contact resistance during the electrical connection process.

[0004] According to the terminal of the embodiment of the utility model, the terminal is used to connect with the cable, and the terminal includes a terminal body and at least one first crimping arm, one end of the first crimping arm is connected to the terminal body, the other end of the first crimping arm is a free end, and the first crimping arm can be deformed to switch between a first state and a second state; in the first state, the first crimping arm can cooperate with the terminal body to clamp the cable to achieve electrical connection between the cable and the terminal; in the second state, the first crimping arm and the terminal body are released from clamping the cable. This terminal has a simple structure, is easy to load and unload, and greatly reduces the contact resistance during the electrical connection process.

[0005] In one embodiment, the terminal is provided with two first crimping arms, and in the first state, a distance between free ends of the two first crimping arms is smaller than a diameter of the cable.

[0006] In one embodiment, the terminal body is provided with a first accommodating groove, and in the first state, at least a portion of the cable is disposed in the first accommodating groove.

[0007] In one embodiment, the first crimping arm is integrally formed with the terminal body.

[0008] In one embodiment, the terminal includes a first crimping portion and a second crimping portion spaced apart, the first crimping arm is disposed on the first crimping portion, the second crimping portion is provided with a second crimping arm, and the second crimping arm is used to clamp the cable with the terminal body.

[0009] In one embodiment, the cable includes a conductor and an insulating layer covering the conductor, the cable is formed with a conductive portion exposing the conductor, the first crimping arm is used to cooperate with the terminal body to clamp the conductive portion, and the second crimping arm is used to clamp the insulating layer with the terminal body.

[0010] In one embodiment, the width of the first crimping arm along the spacing direction between the first crimping portion and the second crimping portion is greater than that of the second crimping arm.

[0011] In one embodiment, the first crimping portion is provided with a groove, and the groove extends from the terminal body toward the free end of the first crimping arm.

[0012] In one embodiment, the terminal is provided with two correspondingly arranged first crimping arms, the groove includes a first groove section arranged on the first crimping arm and a second groove section arranged on the terminal body, and the second groove section connects the two first groove sections.

[0013] In one embodiment, the grooves are arranged in parallel and equidistantly, and the number is 3.

[0014] In one embodiment, in the second state, the first crimping portion is configured to be in a semi-envelope shape; and / or the second crimping portion is configured to be in a semi-envelope shape.

[0015] In one embodiment, the terminal body is provided with a reinforcement portion, and the reinforcement portion is spaced apart from the first crimping portion, which can improve the bending resistance of the terminal.

[0016] According to the PCB assembly of the utility model, it includes the above-mentioned terminal, the terminal body includes a functional part, the PCB assembly includes a PCB body, the PCB body is provided with a contact piece, and the contact piece contacts the functional part to realize electrical connection between the PCB body and the terminal.

[0017] In one embodiment, the PCB assembly includes a shell, the shell includes a hanging platform, the PCB body is provided with a second receiving groove, and the hanging platform is hung on the second receiving groove.

[0018] In one embodiment, the housing includes a limiting plate, which limits the PCB body. The limiting plate is provided with an unlocking operation part, and the hanging platform and the second receiving groove can be separated by pressing the unlocking operation part.

[0019] In one embodiment, the housing includes a mating portion, the terminal has a hanging surface, and the hanging surface abuts against the mating portion.

[0020] According to the vehicle of the utility model, including the above-mentioned PCB assembly, the automobile electrical connection of the utility model has strong reliability and excellent safety performance.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 is a cross-sectional view of a PCB assembly according to an embodiment of the utility model.

[0024] Figure 2 It is a schematic diagram of the shell structure according to an embodiment of the utility model.

[0025] Figure 3 yes Figure 2 A schematic diagram of the structure of the middle shell from a second perspective.

[0026] Figure 4 for Figure 2 Schematic diagram of the structure of the middle shell from the third perspective.

[0027] Figure 5 for Figure 4 AA cross-sectional view of the middle shell.

[0028] Figure 6 for Figure 4 Cross-sectional view of the middle shell from BB's perspective.

[0029] Figure 7 It is a schematic diagram of the terminal structure according to an embodiment of the utility model.

[0030] Figure 8 for Figure 7 Schematic diagram of the structure of the middle terminal from the second perspective.

[0031] Fig. 9 It is a schematic diagram of the terminal and cable combination structure in the first state according to an embodiment of the utility model.

[0032] Fig.10 It is a schematic diagram of the PCB body structure according to an embodiment of the utility model.

[0033] Fig.11 It is a schematic diagram of the PCB assembly structure according to an embodiment of the utility model.

[0034] Reference numerals:

[0035] Shell 1, fixing part 11, cavity 12, partition 13, rib plate 14, limiting plate 15, first limiting groove 16, fifth limiting surface 161, terminal hanging platform process hole 17, first hanging mating surface 171, self-locking cantilever 18, connecting part 19,

[0036] The unlocking operation part 20, the limiting rib plate 21, the accommodating space 23, the avoiding surface 231, the second limiting groove 24, the first guiding inclined surface 241, the first limiting surface 242, the hanging platform 25, the second guiding inclined surface 251, the second limiting surface 252,

[0037] Terminal body 3, second crimping portion 30, first crimping arm 301, second crimping arm 302, first crimping portion 31, first accommodating groove 311, main body 32, protruding portion 33, third limiting surface 331, third guiding inclined surface 332, transition portion 34, functional portion 35, contact surface 351, connecting portion 36, hanging portion 37, first hanging surface 371, reinforcing portion 38, groove 39, first groove section 391, second groove section 392,

[0038] PCB body 5, contact piece 51, second receiving groove 52, second hanging surface 521, third limiting groove 53, third guiding inclined surface 531, fourth limiting surface 532, avoidance groove 54,

[0039] Cable 7 , insulating layer 71 , conductive part 72 . DETAILED DESCRIPTION

[0040] The embodiments of the present utility model are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present utility model are described in detail below.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0043] In the description of the present invention, "plurality" means two or more.

[0044] In the description of the present invention, a first feature being “above” or “below” a second feature may include that the first and second features are directly in contact with each other, or may include that the first and second features are not in direct contact but are in contact with each other via another feature therebetween.

[0045] In the description of the present invention, a first feature “above”, “over” and “above” a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0046] In the description of the present utility model, the distance between surfaces refers to the spacing between surfaces in the first direction.

[0047] In the description of the present utility model, "direction" includes an orthogonal direction and also includes a direction with a certain angle. The direction with a certain angle means that the surface being "directed" has a projection component on the surface being "directed".

[0048] Please refer to the attached Figure 1-11 A terminal according to an embodiment of the present utility model is described.

[0049] The utility model provides a terminal for connecting to a cable 7, characterized in that the terminal includes a terminal body 3 and at least one first crimping arm 301, one end of the first crimping arm 301 is connected to the terminal body 3, the other end of the first crimping arm 301 is a free end, and the first crimping arm 301 can be deformed to switch between a first state and a second state; in the first state, the first crimping arm 301 can cooperate with the terminal body to clamp the cable to achieve electrical connection between the cable and the terminal; in the second state, the first crimping arm 301 and the terminal body are released from clamping the cable.

[0050] In one embodiment of the present invention, the terminal is provided with two first crimping arms 301, and in the first state, the distance between the free ends of the two first crimping arms 301 is smaller than the diameter of the cable 7. It should be understood that the distance between the free ends of the two first crimping arms 301 is smaller than the cable diameter only for the first state of the terminal, and this situation is an embodiment of the present invention, as long as it can be ensured that the first crimping arms 301 of the terminal can clamp the cable 7 in the first state.

[0051] In one embodiment of the present invention, the terminal body 3 is provided with a first receiving groove 311. In the first state, at least a portion of the cable 7 is disposed in the first receiving groove 311. The design of the first receiving groove 311 helps the cable 7 to be placed in the terminal body 3 and clamped and fixed, and is also beneficial for the terminal to be converted from the second state to the first state. In one embodiment of the present invention, the first crimping arm 301 is integrally formed with the terminal body 3. The integral forming is beneficial for reducing production costs and increasing the service life of the terminal. It should be understood that the integral forming is only a preferred embodiment of the present invention, and the first crimping arm 301 and the terminal body 3 may also be connected and fixed by other methods such as gluing.

[0052] In one embodiment of the present invention, the terminal includes a first crimping portion 31 and a second crimping portion 30 spaced apart, the first crimping arm 301 is disposed on the first crimping portion 31, the second crimping portion 30 is provided with a second crimping arm 302, the second crimping arm 302 is used to clamp the cable with the terminal body 3, and the arrangement of the first crimping portion 31 and the second crimping portion 30 can effectively improve the ability of the terminal to clamp the cable 7. It should be understood that the arrangement of the first crimping portion 31 and the second crimping portion 30 is only one embodiment of the present invention, and more crimping portions can be further arranged to achieve crimping of the cable 7, as long as the cable 7 can be stabilized.

[0053] In one embodiment of the present utility model, the cable 7 includes a conductor and an insulating layer 71 coated on the conductor, the cable 7 is formed with a conductive portion 72 exposing the conductor, the first crimping arm 301 is used to cooperate with the terminal body 3 to clamp the conductive portion 72, and the second crimping arm 302 is used to clamp the insulating layer 71 with the terminal body 3. According to the embodiment as shown in the figure, the conductive portion 72 exposing the conductor is located at the end of the cable 7, which is only one embodiment of the present utility model, and the conductive portion 72 exposing the conductor can also be at other parts of the cable 7, as long as it can achieve a clamping relationship with the second crimping arm 302.

[0054] In one embodiment as shown in the figure, the width of the first crimping arm 301 along the spacing direction between the first crimping portion 31 and the second crimping portion 30 is greater than that of the second crimping arm 302. By widening the first crimping arm 301, in the first state of the terminal, the first crimping arm 301 can increase the contact area with the cable conductive portion 72, thereby improving the electrical connection capability.

[0055] In one embodiment of the present invention, a groove 39 is provided on the inner side of the first crimping portion 31 along the free end extending from the terminal body 3 toward the first crimping arm 301 to increase the holding force between the first crimping portion 31 and the cable 7. It should be understood that the arrangement of the groove 39 is one embodiment of the present invention, and in other embodiments, a convex rib may also be provided to improve the electrical connection capability between the first crimping portion 31 and the cable 7, but it should be understood that the arrangement of the groove 39 is a preferred embodiment, and the groove 39, in addition to maintaining electrical connection, can also facilitate the transformation of the terminal from the second state to the first state.

[0056] In addition, in one embodiment as shown in the figure, the terminal is provided with two correspondingly arranged first crimping arms 301, the groove 39 includes a first groove section 391 arranged on the first crimping arm 301 and a second groove section 392 arranged on the terminal body, and the second groove section 392 connects the two first groove sections 391, wherein, according to one embodiment as shown in the figure, the grooves 39 are arranged in parallel and equidistantly, and the number is 3.

[0057] In one embodiment of the utility model, in the second state, the first crimping portion 31 is configured to be semi-enveloping; and / or, the second crimping portion 30 is configured to be semi-enveloping. It should be understood that the semi-enveloping design is only one embodiment of the utility model, which facilitates the placement of the cable 7 between the first crimping portion 31 and the second crimping portion 30 to achieve the transition from the second state of the terminal to the first state. In other embodiments, there is no requirement for the specific crimping portion structure setting, as long as the placement of the cable 7 can be achieved. In addition, in one embodiment as shown in the figure, the terminal is provided with a reinforcement portion 38, and the reinforcement portion 38 is spaced apart from the first crimping portion 31, which can improve the bending resistance of the terminal.

[0058] According to the utility model, the PCB assembly includes the above-mentioned terminal, the terminal body includes the functional part 35, the PCB assembly includes the PCB body 5, the PCB body 5 is provided with a contact piece 51, and the contact piece 51 contacts the functional part 35 to realize the electrical connection between the PCB body 5 and the terminal. Among them, the PCB body 5 is provided with at least one contact piece 51, and the contact piece 51 is connected to the internal printed circuit of the PCB body 5 and realizes the electrical connection function.

[0059] In the embodiment of the utility model, the terminal is provided with a main body 32, a protruding portion 33, a transition portion 34, a connecting portion 36 and a hanging portion 37, wherein the main body 32 connects the second crimping portion 30, the first crimping portion 31 and the transition portion 34 of the functional area. The protruding portion 33 is arranged on at least one side of the main body 32, and is used to cooperate with the second limiting groove 24 of the housing 1 to play a limiting role. The transition portion 34 connects the main body 32 and the functional portion 35, and the transition portion 34 is spaced apart from the avoidance surface 231 of the accommodating space 23 of the housing 1, and the connecting portion 36 is spaced apart from the main body 32 and protrudes outward, wherein the hanging portion 37 is connected to the main body 32 through the connecting portion 36, and is basically flush with the axial direction of the terminal, so as to increase the contact area between the first hanging surface 371 and the first hanging mating surface 171, and in addition, both the connecting portion 36 and the hanging portion 37 can be elastically deformed. The hanging portion 37 can also be set to be flush with the connecting portion 36, but the hanging retention force between the terminal and the housing 1 is slightly lower than the state where the hanging portion 37 is basically flush with the terminal axially.

[0060] In one embodiment of the utility model, the PCB assembly includes a housing 1, the housing 1 includes a hanging platform 25, the PCB body 5 is provided with a second accommodating groove 52, and the hanging platform 25 is hung on the second accommodating groove 52. The second accommodating groove 52 is provided with a second hanging surface 521, and the second hanging surface 521 abuts against the second limiting surface 252 of the housing hanging platform 25 to limit separation. In addition, the PCB body 5 is provided with a third limiting groove 53, and the third limiting groove 53 cooperates with the rib plate 14 of the housing 1, and the third limiting groove 53 is provided with a third guiding inclined surface 531 to facilitate the rib plate 14 to enter the third limiting groove 53. The third limiting groove 53 is provided with a fourth limiting surface 532, which can abut against the fifth limiting surface 161 of the housing 1 to limit the housing 1 from being excessively inserted into the PCB body 5.

[0061] In an embodiment as shown in the figure, the housing 1 is provided with a fixing portion 11, and the fixing portion 11 is provided with at least one terminal hole for accommodating and fixing the terminal body 3. The housing 1 is provided with a cavity 12 to protect the terminal. In addition, a partition 13 is provided in the terminal cavity 12 to isolate the portion of the crimped wire of the plug terminal 3 to prevent the crimped wire portion of the plug terminal 3 from unexpected contact and causing a short circuit. In addition, the housing 1 is also provided with a rib 14, which extends along the side of the cavity 12 to play a supporting role.

[0062] In one embodiment of the utility model, the housing 1 includes a limit plate 15, the limit plate 15 limits the PCB body 5, and the limit plate 15 is provided with an unlocking operation part 20, and the separation of the hanging platform 25 and the second receiving groove 52 can be achieved by pressing the unlocking operation part 20. The front end of the terminal fixing part 11 of the housing 1 is provided with at least one terminal hanging platform process hole 17, which is used to form a first hanging mating surface 171. In addition, the terminal hanging platform process hole 17 can also be used as a terminal disassembly hole. At the same time, the limit plate 15 is provided with a self-locking cantilever 18 spaced apart from the periphery, and the self-locking cantilever 18 and the unlocking operation part 20 are connected to the limit plate 15 through a connecting part 19. When the first limit groove 16 of the housing 1 is inserted into the PCB body 5, the self-locking cantilever 18 is deflected under the guidance of the second guide slope 251 of the hanging platform 25, and the housing 1 and the PCB 5 slide relative to each other along the terminal axis until they are locked. When the board-end connector or PCB needs to be disassembled for maintenance, the unlocking operation portion 20 can be pressed to drive the hanging platform 25 of the self-locking cantilever 18 to deflect, thereby releasing the lock.

[0063] In one embodiment of the utility model, the housing 1 includes a mating portion, and the terminal has a first hanging surface 371, and the first hanging surface 371 abuts against the mating portion. The first hanging mating surface 171 is hung and matched with the first hanging surface 371 of the terminal to limit the separation of the terminal 3 from the housing 1. The first hanging mating surface 171 can be set as a vertical surface, or it can be set as an inclined surface to enhance the terminal retention force. In addition, the front end of the accommodating space 23 has an avoidance surface 231, and the avoidance surface 231 is spaced apart from the transition portion 34 of the terminal. The rear end of the second limiting groove 24 has a first guiding inclined surface 241, and the guiding inclined surface 241 is used to facilitate the insertion of the terminal into the housing 1. At the same time, the other end of the second limiting groove 24 relative to the rear end has a first limiting surface 242, and the first limiting surface 242 cooperates with the third limiting surface 331 of the terminal to limit the excessive insertion of the terminal into the housing 1.

[0064] The specific terminal connection process is described as follows: when the terminal is inserted into the housing 1, the connecting part 36 and the hanging part 37 of the terminal are elastically deformed under force, and the protrusion 33 is displaced in the second limiting groove 24 until the terminal is plugged into place, and the connecting part 36 and the hanging part 37 rebound into the terminal hanging platform process hole 17, and the third limiting surface 331 and the first hanging surface 371 of the terminal are restricted between the first limiting surface 242 and the first hanging mating surface 171 of the housing 1, thereby realizing axial limitation of the terminal.

[0065] The utility model also provides a vehicle, including the above-mentioned PCB assembly. The connector of the vehicle of the utility model has high assembly efficiency and is convenient for replacing parts, has few parts, low cost, low contact resistance, and can improve user experience.

[0066] In summary, the terminal of the embodiment of the utility model is used to connect with the cable 7, and the terminal includes a terminal body 3 and at least one first crimping arm 301, one end of the first crimping arm is connected to the terminal body 3, and the other end of the first crimping arm is a free end, and the first crimping arm can be deformed to switch between a first state and a second state; in the first state, the first crimping arm can cooperate with the terminal body to clamp the cable to achieve the electrical connection between the cable and the terminal; in the second state, the first crimping arm and the terminal body are released from clamping the cable. This terminal has a simple structure, is easy to load and unload, and greatly reduces the contact resistance during the electrical connection process. The PCB assembly includes the terminal of the above embodiment, which can provide a signal transmission function and ensure the electrical connection reliability and signal transmission stability of the line. The vehicle includes the PCB assembly of the above embodiment, which can ensure that the connector assembly efficiency in the vehicle is high and it is easy to replace parts, with fewer parts, low cost, low contact resistance, and improved user experience.

[0067] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0068] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A terminal for connecting to a cable, characterized in that: The terminal comprises a terminal body and at least one first crimping arm, one end of the first crimping arm is connected to the terminal body, the other end of the first crimping arm is a free end, and the first crimping arm can be deformed to switch between a first state and a second state; In the first state, the first crimping arm can cooperate with the terminal body to clamp the cable to achieve electrical connection between the cable and the terminal; In the second state, the first crimping arm and the terminal body release the clamping of the cable.

2. A terminal according to claim 1, characterized in that: The terminal is provided with two first crimping arms, and in the first state, a distance between free ends of the two first crimping arms is smaller than a diameter of the cable.

3. A terminal according to claim 1, characterized in that: The terminal body is provided with a first accommodating groove, and in the first state, at least a portion of the cable is disposed in the first accommodating groove.

4. A terminal according to claim 1, characterized in that: The first crimping arm is integrally formed with the terminal body.

5. A terminal according to claim 1, characterized in that: The terminal comprises a first crimping portion and a second crimping portion spaced apart from each other, the first crimping arm is arranged on the first crimping portion, the second crimping portion is provided with a second crimping arm, and the second crimping arm is used to clamp the cable with the terminal body.

6. A terminal according to claim 5, characterized in that: The cable includes a conductor and an insulating layer covering the conductor. The cable is formed with a conductive portion exposing the conductor. The first crimping arm is used to cooperate with the terminal body to clamp the conductive portion, and the second crimping arm is used to clamp the insulating layer with the terminal body.

7. A terminal according to claim 5, characterized in that: The width of the first crimping arm along the spacing direction between the first crimping portion and the second crimping portion is greater than that of the second crimping arm.

8. A terminal according to claim 5, characterized in that: The first crimping portion is provided with a groove, and the groove extends from the terminal body toward the free end of the first crimping arm.

9. A terminal according to claim 8, characterized in that: The terminal is provided with two correspondingly arranged first crimping arms, the groove comprises a first slot section arranged on the first crimping arm and a second slot section arranged on the terminal body, and the second slot section is connected with the two first slot sections.

10. A terminal according to claim 8, characterized in that: The grooves are arranged in parallel and equidistantly, and there are three of them in number.

11. A terminal according to claim 5, characterized in that: In the second state, the first crimping portion is configured to be in a semi-envelope shape; and / or the second crimping portion is configured to be in a semi-envelope shape.

12. A terminal according to claim 5, characterized in that: The terminal body is provided with a reinforcement portion, and the reinforcement portion is spaced apart from the first crimping portion, which can improve the bending resistance of the terminal.

13. A PCB assembly, characterized in that: A terminal comprising any one of claims 1 to 12, wherein the terminal body comprises a functional part, the PCB assembly comprises a PCB body, the PCB body is provided with a contact sheet, and the contact sheet contacts the functional part to realize electrical connection between the PCB body and the terminal.

14. A PCB assembly according to claim 13, characterized in that: The PCB assembly includes a shell, the shell includes a hanging platform, the PCB body is provided with a second accommodating groove, and the hanging platform is hung on the second accommodating groove.

15. A PCB assembly according to claim 14, characterized in that: The housing includes a limiting plate, which limits the PCB body. The limiting plate is provided with an unlocking operation part, and the hanging platform and the second receiving groove can be separated by pressing the unlocking operation part.

16. A PCB assembly according to claim 14, characterized in that: The housing includes a matching portion, and the terminal has a hanging surface, and the hanging surface abuts against the matching portion.

17. A vehicle, characterized in that: A PCB assembly comprising any one of claims 13-16.

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