CN220672780U - Integrated high-voltage protective cover structure, power battery and automobile - Google Patents

Abstract

The utility model provides an integrated high-voltage protective cover structure, a power battery and an automobile, and relates to the technical field of automobile parts. The integrated high-voltage protective cover structure integrates the protection of the connection part of the high-voltage copper bar and the fixation of the low-voltage wire harness, and has higher integration level and less occupied space. Meanwhile, the elastic hooks with different hooking directions are used for hooking the high-voltage copper bar, so that the multidirectional fixation of the protective cover body and the high-voltage copper bar can be realized, and the fixation stability is better.

Description

Integrated high-voltage protective cover structure, power battery and automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to an integrated high-voltage protective cover structure, a power battery and an automobile.

Background

The power battery is an important component of the new energy automobile. The power battery is inside generally to have a plurality of high-pressure copper bars and low-voltage harness, on the one hand, in order to avoid the pencil to mix up, low-voltage harness usually needs to be fixed through low-voltage harness fixed knot constructs, on the other hand, high-pressure copper bars are connected with the binding post of high-voltage connector, in order to avoid the junction of high-pressure copper bars and binding post to take place electric shock danger, high-pressure copper bars and binding post junction usually need set up the protection casing, in order to reach the protection level requirement of IPXXB level, and current low-voltage harness fixed knot constructs adopts separately alone the mode of setting up with high-pressure copper bar protection casing, not only occupy the inside more space of power battery, moreover installation complex operation.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing low-voltage wire harness fixing structure and the existing high-voltage copper bar protective cover are arranged separately, the occupied space is large, and the installation is complicated.

In one aspect, the utility model provides an integrated high-voltage protective cover structure, which is used for being arranged at the joint of a wiring terminal of a high-voltage connector and a high-voltage copper bar and comprises a protective cover body and a low-voltage wiring harness fixing structure, wherein a protective cavity is formed on the protective cover body, an opening is formed at one end of the protective cavity, a plurality of elastic hooks with mutually different hooking directions are arranged on the protective cover body along the circumferential edge of the opening, the elastic hooks are respectively used for hooking the edge of the high-voltage copper bar, and the protective cover body is provided with the low-voltage wiring harness fixing structure outside the protective cavity.

According to the integrated high-voltage protective cover structure, the connection part of the high-voltage copper bar and the wiring terminal stretches into the protective cavity from the opening, the elastic clamping hooks around the opening are used for being hooked with the edge of the high-voltage copper bar, so that the protective cover body is fixed on the high-voltage copper bar to protect the connection part of the high-voltage copper bar and the wiring terminal, the low-voltage wire harness fixing structure on the protective cover body is used for fixing the low-voltage wire harness, and the integrated high-voltage protective cover structure integrates the protection of the connection part of the high-voltage copper bar and the fixation of the low-voltage wire harness, is higher in integration level, simple to install and small in occupied space. Meanwhile, the elastic hooks are provided with a plurality of elastic hooks with different hooking directions, and the elastic hooks with different hooking directions are used for hooking the high-voltage copper bars, so that the multidirectional fixation of the protective cover body and the high-voltage copper bars can be realized, the stress is uniform, and the installation stability of the protective cover body is enhanced.

Optionally, the protection lid body includes protection mainboard and a plurality of protection curb plate, each protection curb plate encircles the setting, each protection curb plate one end respectively with the protection mainboard is connected, so as to enclose and close and form the protection chamber, the protection curb plate is kept away from the one end of protection mainboard is equipped with elastic clamping hook.

Optionally, the plurality of protection curb plates include the first protection curb plate, second protection curb plate and the third protection curb plate that connect gradually, the elasticity pothook is equipped with three and is located respectively on the first protection curb plate, the second protection curb plate and the third protection curb plate, the high voltage connector has two binding post, two binding post respectively with two high voltage copper bars are connected, make two high voltage copper bars be first high voltage copper bar and second high voltage copper bar respectively, the elasticity pothook on the first protection curb plate with the elasticity pothook on the third protection curb plate sets up relatively, the direction of hooking of elasticity pothook on the first protection curb plate is opposite with the direction of hooking of elasticity pothook on the third protection curb plate, and is used for respectively with the both sides of first high voltage copper bar are hooked; the hooking direction of the elastic hook on the second protection side plate is perpendicular to the hooking direction of the elastic hook on the first protection side plate or the hooking direction of the elastic hook on the third protection side plate, and the elastic hook on the second protection side plate is used for hooking one side, far away from the first high-voltage copper bar, of the second high-voltage copper bar.

Optionally, a first threading opening is formed in one side, close to the second protection side plate, of the elastic clamping hook on the first protection side plate, a second threading opening corresponding to the first threading opening is formed in the third protection side plate, and the first threading opening and the second threading opening are used for allowing an interlocking wire harness of the high-voltage connector to pass through.

Optionally, the elastic hook includes interconnect's shank and hook point, at least one elastic hook the shank is last to be equipped with spacing portion, spacing portion with form the bayonet socket between the hook point.

Optionally, the high-voltage copper bar is connected with the binding post through fixing bolt, fixing bolt's head is located the protection intracavity.

Optionally, the low voltage harness fixing structure includes a first strap fixing structure, and one end of the protective main board, which is far away from each of the protective side boards, is provided with the first strap fixing structure.

Optionally, the low-voltage wire harness fixing structure further includes a second ribbon fixing port structure, at least one of the first protection side plate and the third protection side plate is used for extending along the length direction of the low-voltage wire harness to form an extension section, the extension section is provided with the second ribbon fixing port structure, and the second ribbon fixing port structure and the first ribbon fixing port structure are used for being arranged along the length direction interval of the low-voltage wire harness.

In a second aspect, the present utility model provides a power battery, including the above-mentioned integrated high-voltage protection cover structure. Compared with the prior art, the power battery has the advantages that the power battery is identical to the integrated high-voltage protective cover structure, and the description is not repeated.

In a third aspect, the present utility model provides an automobile comprising the power battery described above. The advantages of the automobile of the utility model compared with the prior art are the same as those of the power battery, and the description is not repeated.

Drawings

FIG. 1 is a schematic view of an integrated high voltage protective cover structure according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of an integrated high-voltage protection cover structure according to an embodiment of the utility model;

fig. 3 is a schematic structural view of a protective cover body according to an embodiment of the utility model;

fig. 4 is a schematic diagram of a connection structure between a connection terminal of a high-voltage connector and a high-voltage copper bar according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a protective cover body; 11. an opening; 12. an elastic clamping hook; 121. a hook handle; 122. hook tip; 123. a limit part; 13. a protective main board; 14. a first protective side plate; 141. a first threading opening; 15. a second protective side plate; 16. a third protective side plate; 2. a low voltage harness securing structure; 21. a first strap-securing aperture structure; 22. a second strap-securing aperture structure; 3. high-voltage copper bars; 31. a first high-voltage copper bar; 32. a second high-voltage copper bar; 4. a high voltage connector; 41. a connection terminal; 42. interlocking the wire bundles; 5. a fixing bolt; 6. a low voltage harness.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, a coordinate system XYZ is established in which the forward direction of the X-axis represents the front, the reverse direction of the X-axis represents the rear, the forward direction of the Y-axis represents the left, the reverse direction of the Y-axis represents the right, the forward direction of the Z-axis represents the top, and the reverse direction of the Z-axis represents the bottom.

As shown in fig. 1-4, an integrated high-voltage protection cover structure of the present utility model is configured at a connection position between a connection terminal 41 of a high-voltage connector 4 and a high-voltage copper bar 3, and includes a protection cover body 1 and a low-voltage wiring harness fixing structure 2, where the protection cover body 1 is formed with a protection cavity, an opening 11 is formed at one end of the protection cavity, a plurality of elastic hooks 12 with different hooking directions are provided on the protection cover body 1 along a circumferential edge of the opening 11, each elastic hook 12 is respectively used for hooking with an edge of the high-voltage copper bar 3, and the low-voltage wiring harness fixing structure 2 is provided outside the protection cavity of the protection cover body 1.

Specifically, the high voltage copper bar 3 may include two parts, one part is provided with insulation protection, and the other part is provided with no insulation protection, or the part connected with the connection terminal 41 of the high voltage connector 4, and the integrated high voltage protection cover structure in this embodiment is disposed at the connection position between the high voltage copper bar 3 and the connection terminal 41.

The protection cover body 1 can be provided with a protection cavity with an opening 11 at the lower end, the protection cavity is used for covering the junction of the wiring terminal 41 and the high-voltage copper bars 3, the wiring terminal 41 of the high-voltage connector 4 can be multiple, the high-voltage copper bars 3 and the wiring terminal 41 are correspondingly arranged, and the arrangement directions of the high-voltage copper bars 3 can be different, namely, a certain included angle is formed. The elastic clamping hook 12 can deform, and the hooking direction of the elastic clamping hook 12 faces the inside of the protection cavity. The elastic hook 12 can be used for protecting the outer peripheral wall or the outer top wall of the cover body 1, and the low-voltage wire harness fixing structure 2 can be arranged. The low-voltage wire harness fixing structure 2 can be integrally formed with the protective cover body 1, or can be fixed together after being separately and independently formed.

In this embodiment, the connection part of the high-voltage copper bar 3 and the connection terminal 41 extends into the protection cavity from the opening 11, as shown in the figure, the elastic hook 12 around the opening 11 is used to hook with the bottom edge of the high-voltage copper bar 3, so as to fix the protection cover body 1 on the high-voltage copper bar 3, to protect the connection part of the high-voltage copper bar 3 and the connection terminal 41, to avoid the electric shock hazard of operators during installation and maintenance, and the low-voltage wire harness fixing structure 2 on the protection cover body 1 is used for fixing the low-voltage wire harness 6. Meanwhile, the elastic hooks 12 are provided with a plurality of hooks with different hooking directions, and the elastic hooks 12 with different hooking directions are used for hooking the high-voltage copper bar 3, so that the multidirectional fixation of the protective cover body 1 and the high-voltage copper bar 3 can be realized, the stress is uniform, and the installation stability of the protective cover body 1 is enhanced.

As shown in fig. 1-3, optionally, the protective cover body 1 includes a protective main board 13 and a plurality of protective side boards, each of the protective side boards is disposed around, one end of each of the protective side boards is connected with the protective main board 13 respectively, so as to enclose and form the protective cavity, and one end of the protective side board far away from the protective main board 13 is provided with the elastic hook 12.

Specifically, the protective main board 13 may be a flat plate structure disposed horizontally, and its cross-sectional shape may be rectangular. The protection curb plate can vertically set up, and the upper end and the protection mainboard 13 of protection curb plate are connected, and each protection curb plate encloses into the open protection chamber down with the protection mainboard 13. The protective cover body 1 is moved to the connection part of the high-voltage copper bar 3 and the wiring terminal 41, the elastic clamping hook 12 is slightly broken, so that the protective cover body is hooked with the bottom edge of the high-voltage copper bar 3, and then the elastic clamping hook 12 is loosened, so that the two can be relatively fixed.

As shown in fig. 1 to 3, optionally, the plurality of protection side plates includes a first protection side plate 14, a second protection side plate 15 and a third protection side plate 16 that are sequentially connected, the elastic hook 12 is provided with three elastic hooks and is respectively located on the first protection side plate 14, the second protection side plate 15 and the third protection side plate 16, the high-voltage connector 4 has two connection terminals 41, the two connection terminals 41 are respectively connected with the two high-voltage copper bars 3, so that the two high-voltage copper bars 3 are respectively a first high-voltage copper bar 31 and a second high-voltage copper bar 32, the elastic hook 12 on the first protection side plate 14 and the elastic hook 12 on the third protection side plate 16 are oppositely arranged, and the hooking direction of the elastic hook 12 on the first protection side plate 14 is opposite to the hooking direction of the elastic hook 12 on the third protection side plate 16 and is respectively used for hooking two sides of the first high-voltage copper bar 31; the hooking direction of the elastic hook 12 on the second protection side plate 15 is perpendicular to the hooking direction of the elastic hook 12 on the first protection side plate 14 or the hooking direction of the elastic hook 12 on the third protection side plate 16, and the elastic hook 12 on the second protection side plate 15 is used for hooking with one side of the second high voltage copper bar 32 away from the first high voltage copper bar 31.

Specifically, the plurality of protection side plates may include a first protection side plate 14, a second protection side plate 15, a third protection side plate 16 and a fourth protection side plate, where the first protection side plate 14 and the third protection side plate 16 are relatively parallel to each other and are all disposed along an XZ plane, the second protection side plate 15 and the fourth protection side plate are relatively parallel to each other and are all disposed along a YZ plane, the first protection side plate 14, the second protection side plate 15 and the third protection side plate 16 may be a thin flat plate, the elastic hooks are three and are respectively a first elastic hook, a second elastic hook and a third elastic hook, the first elastic hook is disposed at the lower end of the first protection side plate 14, the second elastic hook is disposed below the second protection side plate 15, the third elastic hook is disposed below the third protection side plate 16, and in some embodiments, the first protection side plate and the third protection side plate may extend backward, the first elastic hook is disposed on the backward extending portion of the first protection side plate 14, and the third elastic hook is disposed on the backward extending portion of the third protection side plate 16. The hooking direction of the first elastic hook and the third elastic hook is along the direction shown by the Y axis, and the directions are opposite, and the hooking direction of the second elastic hook is along the direction shown by the X axis.

The positive and negative connection terminals 41 of the high-voltage connector 4 are respectively connected with the first high-voltage copper bar 31 and the second high-voltage copper bar 32, the first high-voltage copper bar 31 is used for being arranged along the direction shown by the X axis in the first connection section connected with the corresponding connection terminal, the second high-voltage copper bar 32 is used for being arranged along the direction shown by the Y axis in the second connection section connected with the corresponding connection terminal, the second high-voltage copper bar 32 is positioned in front of the first high-voltage copper bar 31, the first elastic clamping hook and the third elastic clamping hook are respectively positioned on the left side and the right side of the first high-voltage copper bar 31 and are respectively hooked with the left bottom edge and the right bottom edge of the first high-voltage copper bar 31, and the second elastic clamping hook is hooked with the front bottom edge of the second high-voltage copper bar 32.

In this embodiment, the first elastic hook and the third elastic hook are used to hook the left and right sides of the first high-voltage copper bar 31, the second elastic hook hooks the front of the second high-voltage copper bar 32, and fix the two high-voltage copper bars from three directions at the same time, so as to improve the connection stability between the protective cover body 1 and the high-voltage copper bar 3. The second elastic clamping hook can be positioned on a central vertical line of the connecting line of the first elastic clamping hook and the third elastic clamping hook, and the stress uniformity of the left side and the right side can be further improved.

In other embodiments, four elastic hooks 12 may be provided, where two elastic hooks 12 have the same engaging direction, such as two elastic hooks 12 located on the left side of the protective cover body 1, another elastic hook 12 located on the right side of the protective cover body 1, and one elastic hook 12 located in front of the protective cover body 1.

As shown in fig. 1 and 3, optionally, a first threading opening 141 is provided on the first protection side plate 14 on a side of the elastic hook 12 near the second protection side plate 15, a second threading opening corresponding to the first threading opening 141 is provided on the third protection side plate 16, and the first threading opening 141 and the second threading opening are used for passing through an interlocking harness 42 of the high voltage connector 4.

In this embodiment, the first threading opening 141 and the second threading opening may be U-shaped openings with downward openings, and when the protective cover body 1 is covered at the connection position of the high voltage copper bar 3 and the connection terminal 41, the interlocking wire harness 42 of the high voltage copper bar 3 may pass through the first threading opening 141 and the second threading opening along the left-right direction.

Optionally, the elastic hook 12 includes a hook handle 121 and a hook tip 122 that are connected to each other, a limiting portion 123 is disposed on the hook handle 121 of at least one elastic hook 12, and a bayonet is formed between the limiting portion 123 and the hook tip 122.

In this embodiment, the elastic hook 12 may be integrally formed with the protective side plate, or may be separately formed and then fixed together. One end of the hook handle 121 of the elastic hook 12, which is far away from the hook tip 122, is connected with the protection side plate, and the hook handle 121 and the hook tip 122 of the elastic hook 12 are respectively abutted with the side surface and the bottom surface of the high-voltage copper bar 3 so as to realize the hook limit. Here, a limiting part 123 is arranged above the elastic hook 12 and towards one side of the protection cavity, a U-shaped bayonet is formed between the limiting part 123 and the hook tip 122, and the U-shaped bayonet is abutted against the upper surface and the lower surface of the high-voltage copper bar 3 so as to limit the elastic hook 12 to move up and down relative to the high-voltage copper bar 3.

As shown in fig. 1 and 4, alternatively, the high-voltage copper bar 3 is connected with the wiring terminal 41 through a fixing bolt 5, and the head of the fixing bolt 5 is used for being located in the protection cavity.

In this embodiment, the fixing bolt 5 includes a shaft portion and a head portion, the head portion being larger in size than the shaft portion. The fixing bolt 5 is screwed from top to bottom so as to connect and fix the high-voltage copper bar 3 and the wiring terminal 41, then the protective cover body 1 penetrated with the low-voltage wire harness 6 is covered at the joint of the high-voltage copper bar 3 and the wiring terminal 41, the head of the fixing bolt 5 is positioned in the protective cavity, and the rod part of the fixing bolt 5 is screwed into the high-voltage copper bar 3 and the wiring terminal 41, so that the fixing bolt 5 can be protected, and the electric shock danger of an operator during installation and maintenance is avoided.

As shown in fig. 1-2, the low voltage harness securing structure 2 optionally includes a first strap securing aperture structure 21, and the end of the protective main panel 13 remote from each of the protective side panels is provided with the first strap securing aperture structure 21.

In this embodiment, the top of the protection motherboard 13 may be provided with a first band fixing port structure 21, the first band fixing port structure 21 may be an annular or semi-annular structure, the low-voltage wire harness 6 may be arranged along the direction shown by the X axis, the first band fixing port structure 21 may be arranged at intervals along the direction shown by the X axis, and the effective fixing of the low-voltage wire harness 6 may be achieved by the plurality of first band fixing port structures 21 arranged at intervals along the length direction of the low-voltage wire harness.

As shown in fig. 1-2, optionally, the low voltage harness securing structure 2 further includes a second strap securing opening structure 22, at least one of the first protective side plate 14 and the third protective side plate 16 is configured to extend along a length direction of the low voltage harness 6 to form an extension section, the extension section is provided with the second strap securing opening structure 22, and the second strap securing opening structure 22 and the first strap securing opening structure 21 are configured to be disposed at intervals along the length direction of the low voltage harness 6.

In this embodiment, the first protection side plate 14 or the third protection side plate 16 extends along the length direction of the low-voltage wire harness 6, and the second strap fixing opening structure 22 is provided on the extending section, so that more fixing openings can be provided for the low-voltage wire harness, and the wire harness effect is ensured.

Another embodiment of the present utility model provides a power battery, including the above integrated high-voltage protection cover structure. Compared with the prior art, the power battery has the advantages that the power battery is identical to the integrated high-voltage protective cover structure, and the description is not repeated.

In another embodiment of the present utility model, an automobile includes the power battery described above. The advantages of the vehicle over the prior art are the same as those of the power battery described above, and the description thereof will not be repeated.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. An integrated high-voltage protective cover structure is used for being arranged at the joint of a wiring terminal (41) of a high-voltage connector (4) and a high-voltage copper bar (3), and is characterized by comprising a protective cover body (1) and a low-voltage wire harness fixing structure (2), wherein the protective cover body (1) is provided with a protective cavity, one end of the protective cavity is provided with an opening (11), the protective cover body (1) is provided with a plurality of elastic hooks (12) with mutually different hooking directions along the circumferential edge of the opening (11), each elastic hook (12) is respectively used for being hooked with the edge of the high-voltage copper bar (3), and the protective cover body (1) is arranged outside the protective cavity and is provided with the low-voltage wire harness fixing structure (2).

2. The integrated high-voltage protective cover structure according to claim 1, wherein the protective cover body (1) comprises a protective main board (13) and a plurality of protective side boards, each protective side board is arranged in a surrounding manner, one end of each protective side board is respectively connected with the protective main board (13) so as to form the protective cavity in a surrounding manner, and one end of each protective side board far away from the protective main board (13) is provided with the elastic clamping hook (12).

3. The integrated high-voltage protective cover structure according to claim 2, wherein the plurality of protective side plates comprise a first protective side plate (14), a second protective side plate (15) and a third protective side plate (16) which are sequentially connected, the elastic hooks (12) are provided with three elastic hooks which are respectively positioned on the first protective side plate (14), the second protective side plate (15) and the third protective side plate (16), the high-voltage connector (4) is provided with two connecting terminals (41), the two connecting terminals (41) are respectively connected with the two high-voltage copper bars (3), the two high-voltage copper bars (3) are respectively a first high-voltage copper bar (31) and a second high-voltage copper bar (32), the elastic hooks (12) on the first protective side plate (14) are oppositely arranged with the elastic hooks (12) on the third protective side plate (16), and the hooking directions of the elastic hooks (12) on the first protective side plate (14) are opposite to the elastic hooks (12) on the third protective side plate (16) which are respectively hooked with the two high-voltage copper bars (31); the hooking direction of the elastic hook (12) on the second protection side plate (15) is perpendicular to the hooking direction of the elastic hook (12) on the first protection side plate (14) or the hooking direction of the elastic hook (12) on the third protection side plate (16), and the elastic hook (12) on the second protection side plate (15) is used for hooking one side, far away from the first high-voltage copper bar (31), of the second high-voltage copper bar (32).

4. An integrated high voltage protective cover structure according to claim 3, characterized in that a first threading opening (141) is arranged on one side of the first protective side plate (14) close to the second protective side plate (15) on the elastic clamping hook (12), a second threading opening corresponding to the first threading opening (141) is arranged on the third protective side plate (16), and the first threading opening (141) and the second threading opening are used for allowing an interlocking wire harness (42) of the high voltage connector (4) to pass through.

5. The integrated high-voltage protective cover structure according to claim 1, wherein the elastic hooks (12) comprise hook handles (121) and hook tips (122) which are connected with each other, a limiting part (123) is arranged on the hook handle (121) of at least one elastic hook (12), and a bayonet is formed between the limiting part (123) and the hook tips (122).

6. The integrated high-voltage protective cover structure according to claim 1, wherein the high-voltage copper bar (3) is connected with the wiring terminal (41) through a fixing bolt (5), and the head of the fixing bolt (5) is located in the protective cavity.

7. An integrated high voltage protective cover structure according to claim 3, characterized in that the low voltage harness securing structure (2) comprises a first strap securing opening structure (21), the end of the protective main plate (13) remote from each protective side plate being provided with the first strap securing opening structure (21).

8. The integrated high voltage protective cover structure according to claim 7, wherein the low voltage harness fixing structure (2) further comprises a second strap fixing opening structure (22), at least one of the first protective side plate (14) and the third protective side plate (16) is used for extending along the length direction of the low voltage harness (6) to form an extension section, the second strap fixing opening structure (22) is arranged on the extension section, and the second strap fixing opening structure (22) and the first strap fixing opening structure (21) are used for being arranged at intervals along the length direction of the low voltage harness (6).

9. A power cell comprising an integrated high voltage protective cover structure according to any one of claims 1-8.

10. An automobile comprising the power cell of claim 9.