Distribution box

Abstract

The utility model discloses a power distribution box, which relates to the technical field of automobile electric control and comprises a shell, a circuit board assembly, a circuit partition board, a shade cover and a crimping cover. The circuit board assembly is installed in the shell and fixed to the shell through a first fastener, one end of the circuit board assembly is connected with the circuit partition plate, the other end of the circuit board assembly is connected with the outer side of the shell, and the circuit partition plate is installed in the shell and located above the circuit board assembly. The circuit partition plate is fixed on the shell through at least one second fastener, a plurality of electrical elements are mounted on the upper surface of the circuit partition plate, the crimping cover is mounted on the upper surface of the circuit partition plate and fixed on the circuit partition plate through at least one third fastener, and the shade cover is mounted above the shell and fixed on the shell through at least one fourth fastener. Electrical elements such as the relay and the safety piece in the distribution box are firmly installed, and stable operation of the distribution box can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive electronic control, and particularly relates to a distribution box. Background Art

[0002] In the electronic control system of a vehicle, the distribution box is the core component for vehicle power supply, and generally includes fuse pieces, relays and other electrical components inside. This requires that the electrical components inside the distribution box must have a stable working environment, that is, the installation of the relays and fuse pieces inside the distribution box must be firm. Content of the Utility Model

[0003] The purpose of the utility model is to provide a distribution box, in which electrical components such as relays and fuse pieces inside the distribution box are firmly installed, which can ensure the stable operation of the distribution box and improve the reliability of the vehicle electronic control system.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A distribution box includes: a housing, a circuit board assembly, a circuit partition, a mask cover, and a crimping cover; the circuit board assembly is installed inside the housing, at least one first fastener is provided on the circuit board assembly and is fixed to the housing through the first fastener, one end of the circuit board assembly is connected to the circuit partition, the other end of the circuit board assembly is connected to the outside of the housing, the circuit partition is installed inside the housing and is located above the circuit board assembly, at least one second fastener is provided on the circuit partition, the circuit partition is fixed to the housing through at least one second fastener, a plurality of electrical components are installed on the upper surface of the circuit partition, the crimping cover is installed on the upper surface of the circuit partition for protecting the plurality of electrical components, at least one third fastener is provided on the crimping cover, and the crimping cover is fixed to the circuit partition through at least one third fastener, the mask cover is installed above the housing, at least one fourth fastener is provided on the mask cover, and the mask cover is fixed to the housing through at least one fourth fastener.

[0006] In a possible design, the plurality of electrical components include at least one of the following: a fuse piece group, a multi-pin relay group.

[0007] In a possible design, the type of the fuse piece included in the fuse piece group is a mini fuse piece, and the fuse piece group includes: a first fuse piece group, a second fuse piece group, and a third fuse piece group; the first fuse piece group includes at least one fuse piece and is installed in the upper left part of the plane of the circuit partition; the second fuse piece group includes at least one fuse piece and is installed in the upper right part of the plane of the circuit partition; the third fuse piece group includes at least one fuse piece and is installed in the lower part of the plane of the circuit partition.

[0008] In a possible design, the multi-pin relays included in the multi-pin relay group are four-pin relays. The multi-pin relay group includes: a first multi-pin relay group and a second multi-pin relay group. The first multi-pin relay group includes at least one multi-pin relay, which is horizontally installed in the middle of the plane of the circuit partition. The second multi-pin relay group includes at least one multi-pin relay, which is horizontally installed in the middle of the plane of the circuit partition. The mask cover is installed above the multi-pin relay group.

[0009] In a possible design, the distribution box further includes: a sealing groove and a sealing ring. The sealing groove is provided between the circuit partition and the housing, and the sealing ring is installed in the sealing groove.

[0010] In a possible design, the distribution box further includes: a power inlet conductive plate. The power inlet conductive plate is provided at the connection between the other end of the circuit board assembly and the outside of the housing. A first fastener is installed on the part of the power inlet conductive plate located inside the housing. The type of the first fastener is a cross recessed hexagon head bolt, and the number of the first fasteners is at least one. A cross head combination bolt and a triple combination hexagon bolt are installed on the part of the power inlet conductive plate located outside the housing.

[0011] In a possible design, the type of the second fastener is a round head flat tail self-tapping screw, the type of the third fastener is a self-tapping screw, and the type of the fourth fastener is a cross recessed hexagon head bolt.

[0012] In summary, the present utility model has the following beneficial effects:

[0013] The present utility model provides a distribution box. The circuit board assembly is installed inside the housing and fixed to the housing by a first fastener. One end of the circuit board assembly is connected to the circuit partition, and the other end of the circuit board assembly is connected to the outside of the housing. The circuit partition is installed inside the housing and is located above the circuit board assembly. The circuit partition is fixed to the housing by at least one second fastener. A plurality of electrical components are installed on the upper surface of the circuit partition. The crimping cover is installed on the upper surface of the circuit partition to protect the plurality of electrical components. The crimping cover is fixed to the circuit partition by at least one third fastener. The mask cover is installed above the housing and fixed to the housing by at least one fourth fastener. Thus, electrical components such as relays and fuses inside the distribution box are firmly installed, which can ensure the stable operation of the distribution box and improve the reliability of the vehicle's electronic control system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view of a distribution box provided by an embodiment of the present utility model;

[0015] Figure 2 It is a front view of a distribution box provided by an embodiment of the present utility model;

[0016] Figure 3The rear view of a distribution box provided by an embodiment of the present utility model;

[0017] Figure 4 The top view of a mask cover of a distribution box provided by an embodiment of the present utility model;

[0018] Figure 5 The bottom view of a mask cover of a distribution box provided by an embodiment of the present utility model;

[0019] Reference numerals: 1 - mask cover, 2 - housing, 3 - circuit partition, 4 - crimping cover, 5 - sealing ring, 6 - circuit board assembly, 7 - second fastener, 8 - first fastener, 9 - third fastener, 10 - fourth fastener, 11 - cross-head combination bolt, 12 - three-combination hexagon bolt, 13 - first fuse link group, 14 - second fuse link group, 15 - third fuse link group, 16 - first multi-pin relay group, 17 - second multi-pin relay group. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] It should be noted that in the embodiments of the present utility model, words such as "exemplary" or "for example" are used to represent examples, illustrations or explanations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present utility model should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Exactly, using words such as "exemplary" or "for example" aims to present relevant concepts in a specific manner.

[0022] It should be noted that the architecture described in the embodiments of the present utility model is for more clearly explaining the technical solutions in the embodiments of the present utility model, and does not constitute a limitation on the technical solutions provided by the embodiments of the present utility model. Those of ordinary skill in the art know that with the evolution of relevant industry technologies and the emergence of other devices, the technical solutions provided by the embodiments of the present utility model are equally applicable to similar technical problems.

[0023] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0024] In the vehicle's electronic control system, the power distribution box is the core component for vehicle power supply. Generally, fuse pieces, relays and other electrical components are installed inside it. This requires that the electrical components inside the power distribution box must have a stable working environment, that is, the installation of the relays and fuse pieces inside the power distribution box must be firm.

[0025] Furthermore, the present utility model provides a power distribution box. The circuit board assembly is installed inside the housing and fixed to the housing by the first fastener. One end of the circuit board assembly is connected to the circuit partition, and the other end of the circuit board assembly is connected to the outside of the housing. The circuit partition is installed inside the housing and is located above the circuit board assembly. The circuit partition is fixed to the housing by at least one second fastener. A plurality of electrical components are installed on the upper surface of the circuit partition. The crimping cover is installed on the upper surface of the circuit partition to protect the plurality of electrical components. The crimping cover is fixed to the circuit partition by at least one third fastener. The mask cover is installed above the housing and fixed to the housing by at least one fourth fastener. Thus, the electrical components such as relays and fuse pieces inside the power distribution box are firmly installed, which can ensure the stable operation of the power distribution box and improve the reliability of the vehicle's electronic control system.

[0026] Exemplarily, Figure 1 is a top view of a power distribution box provided by an embodiment of the present utility model. Figure 2 is a front view of a power distribution box provided by an embodiment of the present utility model. In the power distribution box proposed by the present utility model:

[0027] Referring to Figure 1 and Figure 2 , the power distribution box includes: a mask cover 1, a housing 2, a circuit partition 3, a crimping cover 4, a sealing ring 5, a circuit board assembly 6, a second fastener 7, a first fastener 8, a third fastener 9, a fourth fastener 10, a cross-head combination bolt 11, a three-combination hexagon bolt 12, a first fuse piece group 13, a second fuse piece group 14, a third fuse piece group 15, a first multi-pin relay group 16, and a second multi-pin relay group 17.

[0028] The circuit board assembly 6 is installed inside the housing 2. At least one first fastener 8 is provided on the circuit board assembly 6 and is fixed to the housing 2 through the first fastener 8. One end of the circuit board assembly 6 is connected to the circuit partition 3, and the other end of the circuit board assembly 6 is connected to the outside of the housing.

[0029] Optionally, a conduction plate may be provided at the connection of the other end of the circuit board assembly 6 to the outside of the housing, and the first fastener 8 is installed on the part of the conduction plate located inside the housing 2.

[0030] Exemplarily, in Figure 1 and Figure 2 there are 2 cross recess hexagon socket head bolts of the first fastener 8. Specifically, the size model of the cross recess hexagon socket head bolt can be set to M5, and the present utility model does not specifically limit the size model of the cross recess hexagon socket head bolt.

[0031] In addition, inside the part of the conduction plate located outside the housing 2, a cross head combination bolt 11 and a triple combination hexagon bolt 12 can be provided to further play a fixing role.

[0032] Exemplarily, the size model of the cross head combination bolt 11 can be set to M6, and the size model of the triple combination hexagon bolt 12 can be set to M8. The present utility model does not specifically limit the size models of the cross head combination bolt 11 and the triple combination hexagon bolt 12.

[0033] Further, the circuit partition 3 is installed inside the housing 2 and the circuit partition 3 is located above the circuit board assembly 6. Similarly, at least one second fastener 7 is provided on the circuit partition 3, and the circuit partition 3 is fixed to the housing 2 through at least one second fastener 7. The function of the circuit partition 3 is to install electrical components included in the distribution box thereon, such as relays, fuse links, etc.

[0034] Optionally, a sealing groove is further provided between the circuit partition 3 and the housing 2, and a sealing ring 5 is installed in the sealing groove to ensure the sealing performance of the distribution box after the mask cover 1 is installed.

[0035] In a possible implementation manner, referring to Figure 1 and Figure 2 , the electrical components that can be installed above the circuit partition 3 include at least one of the following: a fuse link group, a multi-pin relay group.

[0036] Among them, the fuse link group may include: a first fuse link group 13, a second fuse link group 14, and a third fuse link group 15. The first fuse link group 13 includes at least one fuse link, the second fuse link group 14 includes at least one fuse link, and the second fuse link group 15 includes at least one fuse link.

[0037] Exemplarily, the first fuse group 13 includes 9 fuses, which are installed in the upper left part of the flat sheet of the circuit partition 3. The second fuse group 14 also includes 9 fuses, which are installed in the upper right part of the flat sheet of the circuit partition 3. The third fuse group 15 includes 5 fuses, which are installed in the lower part of the flat sheet of the circuit partition 3.

[0038] Among them, the multi-pin relay group may include: the first multi-pin relay group 16 and the second multi-pin relay group 17. The first multi-pin relay group 16 includes at least one multi-pin relay, and the second multi-pin relay group 17 includes at least one multi-pin relay.

[0039] Exemplarily, the first multi-pin relay group 16 includes 2 multi-pin relays, which are horizontally installed in the middle part of the plane of the circuit partition 3; the second multi-pin relay group 17 includes 4 multi-pin relays, which are horizontally installed in the middle part of the plane of the circuit partition 3.

[0040] It should be noted that Figure 1 and Figure 2 in order to conveniently display the composition of the distribution box, only some fuses and multi-pin relays are shown on the circuit partition 3; and, Figure 1 and Figure 2 and the content shown in the subsequent drawings are only exemplary of one possible arrangement of the electrical components of the distribution box, and do not represent that the number of fuses and multi-pin relays in the distribution box can only be set to Figure 1 and Figure 2 the numbers shown in

[0041] Exemplarily, referring to Figure 1 and Figure 2 , the type of the second fastener 7 can be a round head flat tail self-tapping screw, and the total number is 5. And the size model of the round head flat tail self-tapping screw adopted by the second fastener 7 can be M3. The present invention does not make specific limitations on the size model of the round head flat tail self-tapping screw.

[0042] Optionally, in order to protect the first multi-pin relay 16 and the second multi-pin relay 17 on the circuit partition 3, a crimping cover 4 can be installed above the first multi-pin relay 16 and the second multi-pin relay 17 in the distribution box.

[0043] Optionally, at least one third fastener 9 is provided on the crimping cover 4, and the crimping cover 4 is fixed on the circuit partition 3 through at least one third fastener 9.

[0044] Exemplarily, referring to Figure 1 and Figure 2 , the type of the third fastener 9 can be a self-tapping screw, and the number is 3. And the size model of the self-tapping screw adopted by the third fastener 9 can be M5. The present invention does not make specific limitations on the size model of the self-tapping screw.

[0045] Moreover, a mask cover 1 is installed above the housing 2. The mask cover 1 is provided with at least one fourth fastener 10, and is fixed on the housing 2 through the at least one fourth fastener 10 to play a role in protecting the electrical components in the distribution box.

[0046] Exemplarily, referring to Figure 1 and Figure 2 , the type of the fourth fastener 10 can be a cross recessed hexagon head bolt, and the number is 7. Moreover, the size model of the cross recessed hexagon head bolt adopted by the fourth fastener 10 can be M6. The present utility model does not make specific limitations on the size model of the cross recessed hexagon head bolt.

[0047] Based on the above technical solution, in the distribution box provided by the present utility model, the internal electrical components such as relays and fuses are firmly installed, which can ensure the stable operation of the distribution box and improve the reliability of the vehicle's electronic control system.

[0048] The following briefly introduces the installation process of the distribution box proposed by the present utility model:

[0049] (1) The circuit board assembly 6 is first installed inside the housing 2, and the incoming current conducting plate at the connection between the circuit board assembly 6 and the housing 2 is fixed with an M5 bolt (i.e., the cross recessed hexagon head bolt described above).

[0050] (2) The circuit partition 3 is installed inside the housing 2 and above the circuit board assembly 6, and the circuit partition 3 and the housing 2 are tightened with an M3 self-tapping screw (i.e., the round head flat tail self-tapping screw described above) to make their connection firm.

[0051] (3) Electrical components, namely fuses, multi-pin relays, etc., are installed at the corresponding positions of the circuit partition 3.

[0052] (4) The crimping cover 4 is installed on the circuit partition 3 and fixed with an M5 self-tapping screw.

[0053] (5) The sealing ring 5 is installed in the housing 2 for sealing, and the mask cover 1 is installed on the housing 2 and tightened and fixed with an M6 bolt (i.e., the cross recessed hexagon head bolt described above). Finally, M6 bolts and M8 bolts (i.e., the cross head combination bolts and three combination hexagon bolts described above) are installed on the incoming current conducting plate of the housing 2 and tightened.

[0054] The above introduces the installation process of the distribution box proposed by the present utility model.

[0055] Exemplarily, Figure 3 is the rear view of the distribution box provided by the embodiment of the present utility model, Figure 4The top view of the mask cover 1 of the distribution box provided by the embodiment of the present utility model. Figure 5 The bottom view of the mask cover 1 of the distribution box provided by the embodiment of the present utility model.

[0056] It should be noted that Figure 1 The component structures shown in this and other drawings do not constitute a limitation on the distribution box. Except Figure 1 for the components shown in this and other drawings, the distribution box may include more or fewer components than those shown, or combine certain components, or have different component arrangements.

[0057] It should be noted that the terms "first" and "second" in the description, claims and drawings of the present utility model are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but optionally further includes steps or units not listed, or optionally further includes other steps or units inherent to these processes, methods, products or devices.

[0058] It should be understood that in the present utility model, "at least one (item)" means one or more,

[0059] "a plurality" means two or more, "at least two (items)" means two or three and more than three, and "and / or" is used to describe the association relationship of associated objects, indicating that three relationships can exist. For example, "A and / or B" can mean: only A exists, only B exists, and both A and B exist at the same time. Among them, A and B can be singular or plural. The character " / " generally means that the associated objects before and after are in an "or" relationship. "At least one (one) of the following" or its similar expressions refer to any combination of these items, including any combination of single item (one) or plural items (ones). For example, at least one (one) of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

[0060] As described above, the above are only the specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A distribution box, characterized in that, The distribution box includes: a housing (2), a circuit board assembly (6), a circuit partition (3), a mask cover (1), and a crimping cover (4); Among them, the circuit board assembly (6) is installed inside the housing (2). At least one first fastener (8) is provided on the circuit board assembly (6), and the circuit board assembly (6) is fixed to the housing (2) through the at least one first fastener (8); one end of the circuit board assembly (6) is connected to the circuit partition (3), and the other end of the circuit board assembly (6) is connected to the outside of the housing (2); The circuit partition (3) is installed inside the housing (2), and the circuit partition (3) is located above the circuit board assembly (6); at least one second fastener (7) is provided on the circuit partition (3), and the circuit partition (3) is fixed to the housing (2) through the at least one second fastener (7); a plurality of electrical components are installed on the upper surface of the circuit partition (3); The crimping cover (4) is installed on the upper surface of the circuit partition (3) for protecting the plurality of electrical components; at least one third fastener (9) is provided on the crimping cover (4), and the crimping cover (4) is fixed to the circuit partition (3) through the at least one third fastener (9); The mask cover (1) is installed above the housing (2), and at least one fourth fastener (10) is provided on the mask cover (1), and it is fixed to the housing (2) through the at least one fourth fastener (10).

2. The distribution box according to claim 1, wherein, The plurality of electrical components include at least one of the following: a fuse strip group, a multi-pin relay group.

3. The distribution box according to claim 2, wherein The type of fuse in the fuse strip group is a mini fuse. The fuse strip group includes: a first fuse strip group (13), a second fuse strip group (14), and a third fuse strip group (15); The first fuse strip group (13) includes at least one fuse and is installed in the upper left part of the plane of the circuit partition (3); The second fuse strip group (14) includes at least one fuse and is installed in the upper right part of the plane of the circuit partition (3); The third fuse strip group (15) includes at least one fuse and is installed in the lower part of the plane of the circuit partition (3).

4. The distribution box according to claim 2, characterized in that, The type of multi-pin relay in the multi-pin relay group is a four-pin relay. The multi-pin relay group includes: a first multi-pin relay group (16) and a second multi-pin relay group (17); The first multi-pin relay group (16) includes at least one multi-pin relay and is horizontally installed in the middle of the plane of the circuit partition (3); The second multi-pin relay group (17) includes at least one multi-pin relay and is horizontally installed in the middle of the plane of the circuit partition (3); The mask cover is installed above the multi-pin relay group.

5. The distribution box according to any one of claims 1-4, characterized in that, The distribution box further includes: a sealing groove and a sealing ring (5); The sealing groove is provided between the circuit partition (3) and the housing (2), and the sealing ring (5) is installed in the sealing groove.

6. The distribution box according to any one of claims 1-4, characterized in that, The distribution box further includes: an inlet conductive plate; The incoming conduction plate is arranged at the connection of the other end of the circuit board assembly (6) and the outer side of the housing (2); The first fastener (8) is installed on the part of the incoming conduction plate located inside the housing (2), and the type of the first fastener (8) is a cross recessed hexagon socket head bolt; A cross head combination bolt (11) and a three-piece hexagon bolt (12) are installed on the part of the incoming conduction plate located outside the housing (2).

7. The distribution box according to any one of claims 1-4, characterized in that, The type of the second fastener (7) is a round head flat tail self-tapping screw, the type of the third fastener (9) is a self-tapping screw, and the type of the fourth fastener (10) is a cross recessed hexagon socket head bolt.

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