Fuse box and vehicle
By setting a partition in the connecting terminal to divide its inner cavity into two cavities, the bus bar and the relay can be separated and inserted for electrical connection, which solves the problem of complex connection between the relay and the bus bar, simplifies the assembly process and improves the efficiency and reliability of installation.
Patent Information
- Application Number
- CN202422730548.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-08
AI Technical Summary
In the prior art, the connection method between the relay and the bus bar is complicated, resulting in a long assembly time.
The inner cavity of the connecting terminal is divided into a first cavity and a second cavity by a partition, and the bus bar and the relay are respectively inserted into different cavities and electrically connected through the connecting terminal, thereby simplifying the installation process.
The electrical connection operation between the relay and the busbar is simplified, the assembly cycle is shortened, the risk of deformation and damage of the connection terminals is reduced, and the accuracy and stability of the installation are improved.
Smart Images

Figure CN223414022U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of vehicle technology, and in particular to a fuse box and a vehicle. Background Art
[0002] Cars are equipped with a fuse box (also known as a fuse box or fuse box). This box primarily protects circuits and provides centralized management. Within the fuse box are multiple relays, which act as switches to control the connection and disconnection of circuits. Relays can use low currents to control high currents, thereby protecting the switch and reducing energy consumption.
[0003] Among the multiple relays, at least one relay is connected to a permanent power source (i.e., a power source that continuously supplies power). Even after the ignition switch is turned off, the relay remains powered, allowing certain vehicle devices or systems to operate normally even when the engine is not running, such as the anti-theft alarm, remote door locks, and interior lights.
[0004] Typically, the wires of the relay are connected to the busbar via a shorting piece, which results in a complex connection method between the relay and the busbar and a long assembly time. Utility Model Content
[0005] The present application relates to a fuse box and a vehicle, which can simplify the connection between a relay and a bus bar and shorten the assembly time.
[0006] A first aspect of the present application provides a fuse box, which includes a relay, a bus bar and a connecting terminal, one end of the bus bar is electrically connected to the relay, and the other end of the bus bar is used to connect to a normal power supply. The bus bar and the relay are electrically connected through the connecting terminal; the connecting terminal includes an outer shell, the outer shell has an inner cavity, and a partition is provided in the inner cavity, which divides the inner cavity into a first cavity and a second cavity, a portion of the bus bar is located in the first cavity and electrically connected to the side wall of the first cavity, and a portion of the relay is located in the second cavity and electrically connected to the side wall of the second cavity.
[0007] In the present application, during the installation process, it is only necessary to insert the busbar into the first cavity and the relay into the second cavity to achieve the electrical connection between the relay and the busbar, which simplifies the electrical connection structure between the relay and the busbar, thereby simplifying the electrical connection operation between the relay and the busbar, and thus helps to shorten the assembly cycle of the relay and the busbar.
[0008] In one possible design, the shell includes a first wall, a second wall, a third wall and a fourth wall, and the first wall, the partition and the second wall are spaced apart along the first direction; along the first direction, the two ends of the third wall are respectively connected to the first wall and the partition, and the first wall, the third wall and the partition form a first cavity; along the first direction, the two ends of the fourth wall are respectively connected to the partition and the second wall, and the partition, the fourth wall and the second wall form a second cavity.
[0009] In a possible design, along the second direction, the third wall and the fourth wall are respectively located on two sides of the partition.
[0010] In a possible design, the housing further includes a marking portion, which is provided on the first wall and / or the fourth wall.
[0011] In one possible design, the fuse box includes a box body, and the relay and bus bar are both installed in the box body; the box body is provided with a mounting groove, at least part of the connecting terminal is located in the mounting groove, and the connecting terminal is clamped and fixed by the bus bar and the side wall of the mounting groove.
[0012] In one possible design, the busbar includes a main body and an extension portion, wherein the extension portion extends in a direction close to the relay along a third direction; a first connection end is provided at one end of the extension portion away from the main body, and along a second direction, at least a portion of the first connection end is located in the first cavity and abuts against the side wall of the first cavity; the first connection end and the extension portion are connected to form a V-shaped or L-shaped structure.
[0013] In one possible design, the fuse box includes a box body, and the relay and the bus bar are both installed in the box body; the box body has a first installation area and a second installation area, and along the third direction, the second installation area is located between the first installation area and the bus bar; the relay is located in the second installation area.
[0014] In a possible design, the plurality of extension portions are arranged at intervals along the fourth direction.
[0015] In one possible design, the box body has a third installation area. Along the third direction, the third installation area is located on the side of the busbar away from the second installation area, and the relay is located in the third installation area; along the third direction, extension parts are provided on both sides of the main body.
[0016] A second aspect of the present application provides a vehicle, comprising a vehicle body and a fuse box as described in any one of the above items, wherein the fuse box is mounted on the vehicle body.
[0017] In the present application, the busbar and the relay are electrically connected via the above-mentioned connecting terminals, which simplifies the installation method of the busbar and the relay, thereby reducing the assembly cycle of the busbar and the relay.
[0018] It should be understood that the foregoing general description and the following detailed description are merely illustrative and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A perspective view of a fuse box provided in the present application in one embodiment;
[0020] Figure 2 for Figure 1 Schematic diagram of the connection structure between the busbar and the connection terminal;
[0021] Figure 3 for Figure 2 A cross-sectional view of a connecting terminal in one embodiment;
[0022] Figure 4 for Figure 2 A cross-sectional view of the connecting terminal in another embodiment;
[0023] Figure 5 for Figure 2 A cross-sectional view of a connecting terminal in yet another embodiment;
[0024] Figure 6 for Figure 1 Schematic diagram of the connection structure between the middle bus bar and the box body in the first perspective;
[0025] Figure 7 for Figure 1 Schematic diagram of the connection structure between the middle bus bar and the box body in the second viewing angle;
[0026] Figure 8 for Figure 1 Expanded view of the busbar in ;
[0027] Figure 9 for Figure 1 Schematic diagram of the connection structure between the middle bus bar and the box body from a third-person perspective.
[0028] Reference numerals:
[0029] 1- Relay;
[0030] 2-busbar; 21-body; 22-extension portion; 23-first connection end;
[0031] 3-connecting terminal; 31-housing; 311-inner cavity; 311A-first cavity; 311B-second cavity; 312-first wall; 313-second wall; 314-third wall; 315-fourth wall; 316-identification portion; 32-partition portion;
[0032] 4-Constant power supply;
[0033] 5-box body; 51-installation slot; 52-first installation area; 53-second installation area; 54-channel; 541-protrusion.
[0034] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION
[0035] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.
[0036] It should be clear that the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0037] The terms used in the embodiments of the present application are for the purpose of describing specific embodiments only and are not intended to limit the present application. The singular forms "a", "an", "the" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms unless the context clearly indicates otherwise.
[0038] It should be understood that the term "and / or" as used herein is merely a description of the relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.
[0039] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described based on the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should be understood that when it is mentioned that an element is connected to another element "on" or "under", it can not only be directly connected to the other element "on" or "under", but also be indirectly connected to the other element "on" or "under" through an intermediate element.
[0040] The first aspect of the present application provides a fuse box, such as Figure 1 and Figure 2 As shown, the fuse box includes a relay 1, a bus bar 2 and a connecting terminal 3. One end of the bus bar 2 is electrically connected to the relay 1, and the other end of the bus bar 2 is used to connect to the normal power supply 4. The bus bar 2 is electrically connected to the relay 1 through the connecting terminal 3; Figures 3 to 5As shown, the connection terminal 3 includes a housing 31 which has an inner cavity 311. A partition 32 is provided in the inner cavity 311. The partition 32 divides the inner cavity 311 into a first cavity 311A and a second cavity 311B. A part of the bus bar 2 is located in the first cavity 311A and is electrically connected to the side wall of the first cavity 311A. A part of the relay 1 is located in the second cavity 311B and is electrically connected to the side wall of the second cavity 311B.
[0041] In this embodiment, during the installation process, only by inserting the bus bar 2 into the first cavity 311A and inserting the relay 1 into the second cavity 311B can the electrical connection between the relay 1 and the bus bar 2 be achieved. This simplifies the electrical connection structure between the relay 1 and the bus bar 2, thus simplifying the electrical connection operation between the relay 1 and the bus bar 2, and further facilitating the shortening of the assembly cycle of the relay 1 and the bus bar 2.
[0042] In one embodiment, the structure of the connection terminal 3 is as Figure 3 shown. The housing 31 includes a first wall 312, a second wall 313, a third wall 314 and a fourth wall 315. The first wall 312, the partition 32 and the second wall 313 are spaced apart along the first direction X. The partition 32 is located between the first wall 312 and the second wall 313. The third wall 314 and the fourth wall 315 are distributed on both sides of the partition 32 along the second direction Y. And along the first direction X, the two ends of the third wall 314 are respectively connected to the first wall 312 and the second wall 313, and the two ends of the fourth wall 315 are respectively connected to the other sides of the first wall 312 and the second wall 313, that is, the first wall 312, the second wall 313, the third wall 314, the fourth wall 315 and the partition 32 are connected into a structure in the shape of a Chinese character 'Ri'. At this time, through holes for inserting the bus bar 2 are provided on the third wall 314 or the fourth wall 315, and through holes for inserting the relay 1 are provided on the third wall 314 or the fourth wall 315, so as to facilitate the insertion of the bus bar 2 and the relay 1 into the inner cavity 311.
[0043] In this embodiment, the connection terminal 3 with the structure in the shape of a Chinese character 'Ri' has relatively high structural strength, thus reducing the risk of deformation and damage of the connection terminal 3 during installation, transportation, etc., so as to facilitate the extension of the service life of the connection terminal 3.
[0044] In another embodiment, the structure of the connection terminal 3 is as Figure 4As shown, the housing 31 includes a first wall 312, a second wall 313, a third wall 314, and a fourth wall 315. The first wall 312, the partition 32, and the second wall 313 are spaced apart along a first direction X, with the partition 32 located between the first wall 312 and the second wall 313. The third wall 314 and the fourth wall 315 are located on the same side of the partition 32 along a second direction Y. In the first direction X, the third wall 314 is connected to the first wall 312 and the partition 32 at both ends, and the fourth wall 315 is connected to the partition 32 and the second wall 313 at both ends. In other words, the first wall 312, the second wall 313, the third wall 314, the fourth wall 315, and the partition 32 are connected to form a "mountain"-shaped structure. At this point, along the second direction Y, on the side of the partition 32 facing away from the third wall 314 and the fourth wall 315, an opening for inserting the bus bar 2 and the relay 1 is formed.
[0045] In this embodiment, the connecting terminal 3 with the “mountain”-shaped structure simplifies the structures of the third wall 314 and the fourth wall 315 , thereby facilitating reduction in the processing cost of the connecting terminal 3 and shortening the processing cycle of the connecting terminal 3 .
[0046] In another embodiment, the structure of the connecting terminal 3 is as follows: Figure 5 As shown, the housing 31 includes a first wall 312, a second wall 313, a third wall 314, and a fourth wall 315. The first wall 312, the partition 32, and the second wall 313 are spaced apart along a first direction X. The partition 32 is located between the first wall 312 and the second wall 313. The third wall 314 and the fourth wall 315 are located on either side of the partition 32 along a second direction Y. In the first direction X, the ends of the third wall 314 are connected to the first wall 312 and the partition 32, respectively. The ends of the fourth wall 315 are connected to the partition 32 and the second wall 313, respectively. In other words, the first wall 312, the second wall 313, the third wall 314, the fourth wall 315, and the partition 32 are connected to form a "J"-shaped structure. At this point, along the second direction Y, an opening for inserting the busbar 2 is formed on the side of the partition 32 facing away from the third wall 314, and an opening for inserting the relay 1 is formed on the side of the partition 32 facing away from the fourth wall 315.
[0047] In this embodiment, the "J"-shaped connecting terminal 3 allows the bus bar 2 and the relay 1 to be inserted from both sides respectively, thereby reducing the difficulty of inserting the bus bar 2 and the relay 1, thereby simplifying the difficulty of connecting the bus bar 2 and the connecting terminal 3, and the relay 1 and the connecting terminal 3, and is conducive to simplifying the structure of the bus bar 2, the relay 1 and the connecting terminal 3.
[0048] This application takes the connecting terminal 3 of the "J"-shaped structure as an example.
[0049] like Figure 2As shown, the housing 31 further includes a marking portion 316 , which is disposed on the first wall 312 and / or the fourth wall 315 .
[0050] In this embodiment, the identification portion 316 can serve as an indicator for the installation of the connection terminal 3, thereby reducing the risk of the connection terminal 3 being installed upside down, improving the accuracy of the installation of the connection terminal 3, and facilitating shortening the cycle of the connection terminal 3.
[0051] Among them, taking the identification portion 316 set on the first wall 312 as an example, the identification portion 316 can be processed on the first wall 312 by printing, gluing, etching, etc., or the identification portion 316 is a raised structure on the first wall 312. The embodiment of the present application does not specifically limit the shape and type of the identification portion 316.
[0052] like Figure 6 and Figure 7 As shown, the fuse box includes a box body 5, and the relay 1 and the bus bar 2 are both installed in the box body 5. The box body 5 is provided with a channel 54 for accommodating the bus bar 2. The side wall of the channel 54 is provided with a protrusion 541, and the bus bar 2 is clamped and fixed by the protrusion 541, thereby realizing the installation and fixation of the bus bar 2 on the box body 5.
[0053] In one embodiment, if Figure 6 and Figure 7 As shown, the fuse box includes a box body 5 , which is provided with a mounting groove 51 . At least a portion of the connecting terminal 3 is located in the mounting groove 51 , and the connecting terminal 3 is clamped and fixed by the bus bar 2 and the side wall of the mounting groove 51 .
[0054] In this embodiment, the busbar 2 is fixed within the box body 5, and the connecting terminals 3 are clamped and fixed by the busbar 2 and the box body 5. This simplifies the fixing method of the connecting terminals 3, thereby shortening the installation time of the connecting terminals 3 and, in turn, shortening the assembly cycle of the fuse box. Furthermore, during the installation process, the busbar 2, connecting terminals 3, and box body 5 can be assembled and fixed in the factory first, and then the subsequent installation and electrical connection of electronic components such as the relay 1 and the main power supply 4 can be carried out, thus simplifying the installation method of the fuse box.
[0055] In another embodiment, the busbar 2 and the connecting terminal 3 are respectively fixedly connected to the box body 5 to increase the installation stability of the busbar 2 and the connecting terminal 3, thereby improving the reliability of the electrical connection between the busbar 2 and the relay 1.
[0056] like Figure 7 and Figure 8 As shown, the busbar 2 includes a main body 21 and an extension 22. Along the third direction K, the extension 22 extends toward the relay 1. The extension 22 is provided with a first connection end 23 at one end away from the main body 21. Figure 9As shown, along the second direction Y, at least a portion of the first connection end 23 is located in the first cavity 311A and abuts against the side wall of the first cavity 311A. At the same time, the relay 1 is provided with a second connection end extending along the second direction Y, and at least a portion of the second connection end is inserted into the wall and abuts against the side wall of the second cavity 311B. Figure 8 As shown, the first connecting end 23 and the extending portion 22 are connected to form a V-shaped or L-shaped structure.
[0057] In this embodiment, the first connection end 23 and the extension portion 22 are connected to form a V-shaped or L-shaped structure, which simplifies the connection structure between the busbar 2 and the connecting terminal 3, thereby simplifying the structure of the busbar 2 and the connecting terminal 3, reducing the processing cost of the busbar 2 and the connecting terminal 3, and reducing the difficulty of assembling the busbar 2 and the connecting terminal 3, thereby shortening the assembly cycle.
[0058] like Figure 1 As shown, the box body 5 has a first installation area 52 and a second installation area 53 . Along the third direction K, the second installation area 53 is located between the first installation area 52 and the bus bar 2 ; the relay 1 is located in the second installation area 53 .
[0059] In this embodiment, the relay 1 that needs to be connected to the normal power supply 4 is arranged in the second installation area 53, which can reduce the distance between the relay 1 and the bus bar 2, thereby reducing the length of the extension portion 22 on the bus bar 2 and simplifying the structure of the box body 5.
[0060] In the fourth direction T, the relay 1 is arranged on a side of the second installation area 53 close to the extension portion 22 , which can further reduce the length of the extension portion 22 and simplify the structure of the box body 5 .
[0061] In a possible design, a plurality of extension portions 22 are arranged at intervals along the fourth direction.
[0062] like Figure 6 、 Figure 7 and Figure 9 As shown, in the embodiment of the present application, the first direction X, the third direction K and the fourth direction T are all located in a plane perpendicular to the second direction Y, and the first direction X is parallel to the third direction K, and the fourth direction T is perpendicular to the first direction X and the third direction K.
[0063] In one embodiment, the number of the extension portion 22 and the first connection end 23 is one, so as to simplify the structure of the box body 5 and the bus bar 2 .
[0064] In another embodiment, the number of the extending portion 22 , the first connecting end 23 , the connecting terminal 3 , and the relay 1 that needs to be connected to the normal power source 4 are all multiple.
[0065] Among them, in one possible design, reference Figure 1, multiple extension portions 22 are arranged at intervals along the fourth direction T, and the number of extension portions 22 is not less than the number of relays 1 that need to be connected to the normal power supply 4, so that one bus bar 2 can provide normal power supply 4 to multiple relays 1 at the same time.
[0066] In another possible design, reference Figure 1 The box body 5 has a third installation area (not marked in the figure). Along the third direction K, the third installation area is located on the side of the busbar 2 away from the second installation area 53, and the relay 1 is located in the third installation area; along the third direction K, extension portions 22 are provided on both sides of the main body 21.
[0067] In this embodiment, extension portions 22 are provided on both sides of the bus bar 2 , which can further increase the number of relays 1 that need to be connected to the normal power source 4 , thereby facilitating improved working performance of the fuse box.
[0068] A second aspect of the present application provides a vehicle, comprising a vehicle body and the fuse box described in any one of the above embodiments, wherein the fuse box is mounted on the vehicle body.
[0069] In this embodiment, the busbar 2 and the relay 1 are electrically connected via the connecting terminals 3 , which simplifies the installation of the busbar 2 and the relay 1 , thereby reducing the assembly cycle of the busbar 2 and the relay 1 .
[0070] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.
Claims
1. A fuse box, characterized in that: The fuse box includes: Relay (1); A bus bar (2), one end of the bus bar (2) being electrically connected to the relay (1), and the other end of the bus bar (2) being used for connecting to a normal power supply (4); a connecting terminal (3), the bus bar (2) and the relay (1) being electrically connected via the connecting terminal (3); The connecting terminal (3) comprises a shell (31), the shell (31) having an inner cavity (311), a partition (32) being provided in the inner cavity (311), the partition (32) dividing the inner cavity (311) into a first cavity (311A) and a second cavity (311B), a portion of the bus bar (2) being located in the first cavity (311A) and electrically connected to a side wall of the first cavity (311A), and a portion of the relay (1) being located in the second cavity (311B) and electrically connected to a side wall of the second cavity (311B).
2. The fuse box according to claim 1, characterized in that: The housing (31) comprises a first wall (312), a second wall (313), a third wall (314) and a fourth wall (315), wherein the first wall (312), the partition (32) and the second wall (313) are spaced apart along a first direction (X); Along the first direction (X), two ends of the third wall (314) are respectively connected to the first wall (312) and the partition (32), and the first wall (312), the third wall (314) and the partition (32) enclose the first cavity (311A); Along the first direction (X), two ends of the fourth wall (315) are respectively connected to the partition (32) and the second wall (313), and the partition (32), the fourth wall (315) and the second wall (313) form the second cavity (311B).
3. The fuse box according to claim 2, characterized in that: Along the second direction (Y), the third wall (314) and the fourth wall (315) are respectively located on both sides of the partition (32).
4. The fuse box according to claim 2, characterized in that: The housing (31) further includes an identification portion, and the identification portion is provided on the first wall (312) and / or the fourth wall (315).
5. The fuse box according to any one of claims 1 to 4, characterized in that: The fuse box comprises a box body (5), and the relay (1) and the bus bar (2) are both mounted on the box body (5); The box body (5) is provided with a mounting groove (51), at least a portion of the connecting terminal (3) is located in the mounting groove (51), and the connecting terminal (3) is clamped and fixed by the bus bar (2) and the side wall of the mounting groove (51).
6. The fuse box according to any one of claims 1 to 4, characterized in that: The busbar (2) comprises a main body portion (21) and an extension portion (22), and along a third direction (K), the extension portion (22) extends in a direction close to the relay (1); A first connecting end (23) is provided at one end of the extension portion (22) away from the main body portion (21); along the second direction (Y), at least a portion of the first connecting end (23) is located in the first cavity (311A) and abuts against a side wall of the first cavity (311A); The first connecting end (23) and the extending portion (22) are connected to form a V-shaped or L-shaped structure.
7. The fuse box according to claim 6, characterized in that: The fuse box comprises a box body (5), and the relay (1) and the bus bar (2) are both mounted on the box body (5); The box body (5) has a first installation area (52) and a second installation area (53), and along the third direction (K), the second installation area (53) is located between the first installation area (52) and the bus bar (2); The relay (1) is located in the second installation area (53).
8. The fuse box according to claim 7, characterized in that: The plurality of extension portions (22) are arranged at intervals along the fourth direction (T).
9. The fuse box according to claim 7, characterized in that: The box body (5) has a third installation area, and along the third direction (K), the third installation area is located on the side of the bus bar (2) away from the second installation area (53), and the relay (1) is located in the third installation area; Along the third direction (K), the extension portions (22) are provided on both sides of the main body portion (21).
10. A vehicle, characterized in that: The vehicle comprises: body; The fuse box according to any one of claims 1 to 9, wherein the fuse box is mounted on the vehicle body.