Short circuit prevention tool applied to busbar installation

Abstract

The utility model discloses a short circuit prevention tool applied to busbar installation, belonging to the field of batteries, the short circuit prevention tool is used for installing a busbar on a fixed support of a battery pack, the battery pack comprises a plurality of battery monomers distributed in an array, the fixed support is installed on the battery pack, the short circuit prevention tool comprises a substrate, a holding rod is arranged on the front surface of the base plate, a plurality of parallel positioning rods are arranged on the rear surface of the base plate, a mounting groove is formed in the side surface of the base plate and penetrates through the base plate in the first direction, the first direction is the direction perpendicular to the front surface of the base plate, the positioning rods and the holding rod are insulating rods, and the base plate is an insulating plate; the fixing support is provided with a plurality of first penetrating holes distributed in an array mode, the busbar is provided with a plurality of second penetrating holes distributed in an array mode, the first penetrating holes correspond to the second penetrating holes in a one-to-one mode, and the positioning rods are sequentially inserted into the second penetrating holes and the first penetrating holes, so that the installation reliability of the battery pack can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery technical field, concretely relates to a kind of short-circuit prevention tooling applied to busbar installation. BACKGROUND

[0002] Battery pack is a kind of energy module combined by multiple battery monomers in series or parallel way, with the continuous development of battery technology and new energy vehicles, battery pack has continued to develop in the direction of large capacity and large current.

[0003] The common battery pack currently comprises multiple battery monomers, fixed supports and busbars, the multiple battery monomers are arrayed and installed on one side of the fixed supports, the busbars are installed on the other side of the fixed supports, the busbars are fixed on the fixed supports by screws and electrically connected with each battery monomer, in this way, the multiple battery monomers are connected in series or parallel by the busbars, so as to realize the collection and output of current. Generally, when installing the busbars, the staff manually presses the busbars to the fixed supports for positioning, and then fastens the busbars to the fixed supports by screws, however, when the staff manually presses the busbars to the fixed supports for positioning, the human body contacts the busbars, which causes the battery pack to be prone to short-circuit failure, thereby affecting the reliability of battery pack installation. SUMMARY

[0004] In order to solve the above problems existing in the prior art, the utility model provides a short-circuit prevention tooling applied to busbar installation. The technical problem to be solved by the utility model is solved through the following technical scheme:

[0005] In the first aspect, the utility model provides a short-circuit prevention tooling applied to busbar installation, which is used for installing the busbar to the fixed support of battery pack, the battery pack comprises multiple battery monomers arrayed, the fixed support is installed on the battery pack, the short-circuit prevention tooling comprises a substrate, the front surface of the substrate is provided with a holding rod, the rear surface of the substrate is provided with multiple positioning rods parallel to each other, the side surface of the substrate is provided with a mounting groove, and the mounting groove is arranged through the substrate along a first direction, the first direction is perpendicular to the front surface of the substrate, the positioning rod and the holding rod are both insulating rods, and the substrate is an insulating plate.

[0006] The fixed support is provided with multiple first perforations arrayed, the busbar is provided with multiple second perforations arrayed, the first perforation and the second perforation are one-to-one corresponding, the positioning rod is inserted into the second perforation and the first perforation in sequence, and the distance between any two adjacent second perforations is equal.

[0007] In an embodiment of the utility model, the holding rod and the positioning rod are both tubular structures.

[0008] In an embodiment of the utility model, the base plate is a rectangular plate, the positioning rods are five and are respectively first rod, second rod, third rod, fourth rod and fifth rod, the first rod, the second rod, the third rod and the fourth rod are arranged at four corners of the rectangular plate respectively, the first rod and the second rod are sequentially arranged along the length direction of the rectangular plate, and the fifth rod is arranged at the middle position of the first rod and the second rod.

[0009] In an embodiment of the utility model, the third rod and the fourth rod are sequentially arranged along the length direction of the rectangular plate, the mounting groove is arranged at the middle position of the third rod and the fourth rod, and the mounting groove is a U-shaped groove.

[0010] In an embodiment of the utility model, the distance between the first rod and the fifth rod is equal to the first distance, the distance between the second rod and the fifth rod is equal to the first distance, the distance between the first rod and the third rod is equal to the first distance, the distance between the second rod and the fourth rod is equal to the first distance, and the first distance is the interval between two adjacent second perforations.

[0011] In an embodiment of the utility model, the rectangular plate is provided with a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, and the first rod, the second rod, the third rod, the fourth rod and the fifth rod are respectively inserted and fixed in the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole.

[0012] In an embodiment of the utility model, the first through hole, the second through hole, the third through hole and the fourth through hole are all L-shaped holes, the L-shaped hole comprises a first long hole arranged along the length direction of the rectangular plate and a second long hole arranged along the width direction of the rectangular plate, and the first rod, the second rod, the third rod and the fourth rod are all connected by screws between the base plates.

[0013] In an embodiment of the utility model, the holding rod is connected to the center of the rectangular plate.

[0014] In an embodiment of the utility model, the rectangular plate is provided with a sixth through hole, and the holding rod is inserted and fixed in the sixth through hole.

[0015] In an embodiment of the utility model, the holding rod and the positioning rod are both glass fiber pipes, and the base plate is a wooden plate.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] In the above scheme of the application, the anti-short circuit tool is used to mount the busbar to the fixed support of the battery pack, the battery pack includes a plurality of battery monomers arranged in an array, the fixed support is mounted on the battery pack, the anti-short circuit tool includes a base plate, the front surface of the base plate is provided with a holding rod, the rear surface of the base plate is provided with a plurality of parallel positioning rods, and the side surface of the base plate is provided with a mounting groove penetrating through the base plate along a first direction, the first direction being perpendicular to the front surface of the base plate, the positioning rods and the holding rod are both insulating rods, and the base plate is an insulating plate; a plurality of first through holes arranged in an array are arranged on the fixed support, a plurality of second through holes arranged in an array are arranged on the busbar, the first through holes and the second through holes are one-to-one corresponding, the positioning rods are sequentially inserted into the second through holes and the first through holes, and the distance between any two adjacent second through holes is equal. With the structure, when the busbar is mounted, the worker can hold the holding rod of the anti-short circuit tool, and extend the positioning rods of the anti-short circuit tool into the second through holes of the busbar, then extend the positioning rods into the first through holes of the fixed support, and press the busbar on the fixed support through the base plate, the positioning rods are sequentially inserted into the second through holes and the first through holes for positioning, and the busbar is pressed by the base plate, so that the busbar can be more conveniently mounted and positioned with higher positioning accuracy, and when the busbar is mounted by using the anti-short circuit tool, the worker can avoid directly contacting the busbar to cause the battery pack to be prone to short circuit failure, thereby improving the reliability and safety of the battery pack installation.

[0018] The utility model will be made further detailed explanation in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the schematic diagram of fixed support and busbar in the utility model embodiment;

[0020] Figure 2 It is the schematic diagram of anti-short circuit tool in the utility model embodiment Figure 1 ;

[0021] Figure 3 It is the schematic diagram of anti-short circuit tool in the utility model embodiment Figure 2 ;

[0022] Figure 4 It is the front view of anti-short circuit tool in the utility model embodiment;

[0023] Figure 5 It is the side view of anti-short circuit tool in the utility model embodiment.

[0024] Fig. 1 is a fixed support, 101 is a first through hole, 2 is a busbar, 201 is a second through hole, 202 is a terminal post, 3 is a base plate, 4 is a holding rod, 5 is a positioning rod, 6 is a mounting groove. DETAILED DESCRIPTION

[0025] The utility model will be described in further detail below in connection with specific embodiments, but the embodiments of the utility model are not limited thereto.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 And Figure 5 , the utility model discloses a kind of short-circuit prevention tooling applied to busbar 2 installation, for installing busbar 2 to the fixed support 1 of battery pack, battery pack includes multiple battery monomers in array distribution, fixed support 1 is installed on battery pack, short-circuit prevention tooling includes base plate 3, the front surface of base plate 3 is equipped with holding rod 4, the rear surface of base plate 3 is equipped with multiple mutually parallel positioning rods 5, the side surface of base plate 3 is equipped with installation groove 6, and installation groove 6 is set along first direction and penetrates base plate 3, first direction is the direction perpendicular to the front surface of base plate 3, positioning rod 5 and holding rod 4 are all insulating rods, and base plate 3 is insulating plate;Fixed support 1 is equipped with multiple first perforations 101 in array distribution, busbar 2 is equipped with multiple second perforations 201 in array distribution, first perforation 101 and second perforation 201 are one-to-one, positioning rod 5 is inserted in second perforation 201 and first perforation 101 in turn, and the spacing between any two adjacent second perforations 201 is equal.

[0027] In some embodiments of the present application, as shown in Figure 1 , busbar 2 is S-shaped bus structure, and busbar 2 includes first bus plate, second bus plate and third bus plate, the first bus plate is arranged above the fixed support 1, the second bus plate and the third bus plate are both arranged below the fixed support 1, the second bus plate is located on the left side, and the third bus plate is located on the right side, and the first bus plate is not provided with a terminal post 202, and the second bus plate and the third bus plate are respectively provided with one terminal post 202.

[0028] In some embodiments of the present application, when the short-circuit prevention tooling is used to install busbar 2, the terminal post 202 can be inserted into the installation groove 6, so that the installation of the short-circuit prevention tooling can be avoided by the mutual clamping of the terminal post 202 and the base plate 3.

[0029] In some embodiments of the present application, the fixed support 1 is a plate structure.

[0030] In some embodiments of the present application, the holding rod 4 and the positioning rod 5 are mutually parallel, and the hole diameters of the first perforation 101 and the second perforation 201 are equal.

[0031] In the above scheme of the application, the anti-short circuit tool is used to install the busbar 2 on the fixed support 1 of the battery pack, the battery pack includes a plurality of battery cells arranged in an array, the fixed support 1 is installed on the battery pack, the anti-short circuit tool includes a base plate 3, the front surface of the base plate 3 is provided with a holding rod 4, the rear surface of the base plate 3 is provided with a plurality of parallel positioning rods 5, the side surface of the base plate 3 is provided with a mounting groove 6, and the mounting groove 6 is arranged through the base plate 3 along a first direction, the first direction is perpendicular to the front surface of the base plate 3, the positioning rods 5 and the holding rod 4 are both insulating rods, and the base plate 3 is an insulating plate; the fixed support 1 is provided with a plurality of first through holes 101 arranged in an array, the busbar 2 is provided with a plurality of second through holes 201 arranged in an array, the first through holes 101 and the second through holes 201 correspond one by one, the positioning rods 5 are sequentially inserted into the second through holes 201 and the first through holes 101, and the distance between any two adjacent second through holes 201 is equal. With this structure, when the busbar 2 is installed, the worker can hold the holding rod 4 of the anti-short circuit tool, and then extend the positioning rods 5 of the anti-short circuit tool into the second through holes 201 of the busbar 2, and then extend the positioning rods 5 into the first through holes 101 of the fixed support 1, and then press the busbar 2 on the fixed support 1 through the base plate 3, and then position the busbar 2 through the positioning rods 5 sequentially inserted into the second through holes 201 and the first through holes 101, and then press the busbar 2 through the base plate 3, which can make the installation and positioning of the busbar 2 more convenient and accurate. Moreover, when the busbar 2 is installed by using the above anti-short circuit tool, the worker can avoid direct contact with the busbar 2, which can prevent the battery pack from being easily short-circuited, thereby improving the reliability and safety of the battery pack installation. Furthermore, the battery waste and the manual waste such as the scrapping of the busbar 2 are reduced, the operation safety is improved, and the electric shock of the worker is prevented.

[0032] In some embodiments of the application, as shown in Figure 2 and Figure 3 the holding rod 4 and the positioning rod 5 are both tubular structures. With this structure, the weight of the holding rod 4 and the positioning rod 5 can be reduced, making it more convenient to install the busbar 2 by using the anti-short circuit tool.

[0033] In some embodiments of the application, the base plate 3 is a rectangular plate, the positioning rods 5 are five and are respectively a first rod, a second rod, a third rod, a fourth rod and a fifth rod, the first rod, the second rod, the third rod and the fourth rod are respectively arranged at the four corners of the rectangular plate, the first rod and the second rod are sequentially arranged along the length direction of the rectangular plate, and the fifth rod is arranged at the middle position of the first rod and the second rod. With this structure, the first rod, the second rod, the third rod, the fourth rod and the fifth rod are respectively inserted into the five first through holes 101 and the five second through holes 201 for positioning, which can improve the stability of the installation of the anti-short circuit tool, and further improve the stability and installation accuracy of the installation of the busbar 2.

[0034] In some embodiments of the application, as shown inFigure 4 and Figure 5 As shown, the first and third rods are arranged on the left side of the rectangular plate and are arranged sequentially along the width direction of the rectangular plate, the second and fourth rods are arranged on the right side of the rectangular plate and are arranged sequentially along the width direction of the rectangular plate, the first and second rods are arranged sequentially along the length direction of the rectangular plate, and the third and fourth rods are arranged sequentially along the length direction of the rectangular plate.

[0035] In some embodiments of this application, the third and fourth rods are arranged sequentially along the length of the rectangular plate, and the mounting groove 6 is located at the midpoint between the third and fourth rods. The mounting groove 6 is a U-shaped groove. This structure, by optimizing the distribution of the mounting grooves 6, improves the reliability of the short-circuit protection fixture installation. When the mounting groove 6 is a U-shaped groove, the arc-shaped bottom of the U-shaped groove can better match the terminal block 202, thereby further improving the reliability of the short-circuit protection fixture installation.

[0036] In some embodiments of this application, such as Figure 5 As shown, the distance between the first and fifth rods is equal to the first distance, the distance between the second and fifth rods is equal to the first distance, the distance between the first and third rods is equal to the first distance, and the distance between the second and fourth rods is equal to the first distance. The first distance is the spacing between two adjacent second perforations 201. This structure optimizes the distances between the first, second, third, fourth, and fifth rods, allowing them to be better inserted into the first perforation 101 and the second perforation 201, thus improving the stability of the short-circuit protection fixture during installation.

[0037] In some embodiments of this application, such as Figure 5 As shown, the rectangular plate has a first through hole, a second through hole, a third through hole, a fourth through hole, and a fifth through hole. The first, second, third, fourth, and fifth rods are respectively inserted into and fixed within these through holes. This structure facilitates the connection between the rectangular plate and the first, second, third, fourth, and fifth rods, while also improving the reliability of the connection between the rectangular plate and the first, second, third, fourth, and fifth rods.

[0038] In some embodiments of this application, the first rod and the first through hole are interference-fitted, or the first rod and the wall of the first through hole are fastened together with screws. The second rod and the second through hole are interference-fitted, or the second rod and the wall of the second through hole are fastened together with screws. The third rod and the third through hole are interference-fitted, or the third rod and the wall of the third through hole are fastened together with screws. The fourth rod and the fourth through hole are interference-fitted, or the fourth rod and the wall of the fourth through hole are fastened together with screws. The fifth rod and the fifth through hole are interference-fitted, or the fifth rod and the wall of the fifth through hole are fastened together with screws.

[0039] In some embodiments of the present application, the first through hole, the second through hole, the third through hole and the fourth through hole are all L-shaped holes, the L-shaped hole comprises a first long hole arranged along the length direction of the rectangular plate and a second long hole arranged along the width direction of the rectangular plate, and the first rod, the second rod, the third rod and the fourth rod are all connected between the base plate 3 by screws. With this structure, the first rod, the second rod, the third rod and the fourth rod can all adjust the installation position in the first long hole or the second long hole of the corresponding L-shaped hole to adapt to different intervals of the first through hole 101 and the second through hole 201, thereby improving the application range of the short circuit prevention tool. The fifth rod can be inserted and fixed in the fifth through hole, which can improve the stability of the short circuit prevention tool while serving as a reference for the adjustment of the first rod, the second rod, the third rod and the fourth rod, so that the adjustment of the first rod, the second rod, the third rod and the fourth rod is more convenient.

[0040] In some embodiments of the present application, the holding rod 4 is connected at the center of the rectangular plate. With this structure, it is convenient for the worker to hold the holding rod 4 for installation, so that the busbar 2 is more convenient to install.

[0041] In some embodiments of the present application, the sixth through hole is arranged on the rectangular plate, and the holding rod 4 is inserted and fixed in the sixth through hole. With this structure, the connection of the holding rod 4 and the sixth through hole is more convenient, and the stability of the connection between the holding rod 4 and the base plate 3 is improved.

[0042] In some embodiments of the present application, the holding rod 4 and the sixth through hole are in interference fit, or the holding rod 4 and the hole wall of the sixth through hole are connected by screws.

[0043] In some embodiments of the present application, the holding rod 4 and the positioning rod 5 are both glass fiber pipes, and the base plate 3 is a wooden plate. With this structure, the holding rod 4 and the positioning rod 5 are both insulating components, and the production and processing cost of the short circuit prevention tool is reduced.

[0044] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0045] In addition, the terms "first", "second", "third", "fourth", "fifth" are only used for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second", "third", "fourth", "fifth" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0046] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] The above is a further detailed description of the present application in combination with specific preferred embodiments, and cannot be considered as limiting the specific implementation of the present application to these descriptions. For ordinary skilled in the art, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be considered as falling within the protection scope of the present application.

Claims

1. A short circuit prevention tool applied to busbar installation, used for installing a busbar on a fixed support of a battery pack, the battery pack comprising a plurality of battery cells arranged in an array, the fixed support being installed on the battery pack, characterized in that, The anti-short-circuit tool includes a substrate, a front surface of the substrate is provided with a holding rod, a rear surface of the substrate is provided with a plurality of positioning rods parallel to each other, a side surface of the substrate is provided with a mounting groove, and the mounting groove is arranged through the substrate along a first direction, the first direction being a direction perpendicular to the front surface of the substrate, the positioning rods and the holding rod are both insulating rods, and the substrate is an insulating plate. The fixing support is provided with a plurality of first through holes arranged in an array, the bus bar is provided with a plurality of second through holes arranged in an array, the first through holes and the second through holes correspond to each other, the positioning rods are sequentially inserted into the second through holes and the first through holes, and the distance between any two adjacent second through holes is equal.

2. The anti-short circuit tooling for busbar installation of claim 1, wherein, The holding rod and the positioning rods are both tubular structures.

3. The anti-short circuit tooling for busbar installation of claim 2, wherein, The substrate is a rectangular plate, the positioning rods are five rods, i.e., a first rod, a second rod, a third rod, a fourth rod and a fifth rod, the first rod, the second rod, the third rod and the fourth rod are arranged at four corners of the rectangular plate respectively, the first rod and the second rod are sequentially arranged along the length direction of the rectangular plate, and the fifth rod is arranged at a middle position between the first rod and the second rod.

4. The anti-short circuit tooling for busbar installation of claim 3, wherein, The third rod and the fourth rod are sequentially arranged along the length direction of the rectangular plate, the mounting groove is arranged at a middle position between the third rod and the fourth rod, and the mounting groove is a U-shaped groove.

5. The anti-short circuit tooling for busbar installation of claim 3, wherein, The distance between the first rod and the fifth rod is equal to a first distance, the distance between the second rod and the fifth rod is equal to the first distance, the distance between the first rod and the third rod is equal to the first distance, the distance between the second rod and the fourth rod is equal to the first distance, and the first distance is the distance between two adjacent second through holes.

6. The anti-short circuit tooling for busbar installation of claim 5, wherein, The rectangular plate is provided with a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, and the first rod, the second rod, the third rod, the fourth rod and the fifth rod are respectively inserted and fixed in the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole.

7. The anti-short circuit tooling for busbar installation of claim 6, wherein, The first through hole, the second through hole, the third through hole and the fourth through hole are all L-shaped holes, each L-shaped hole includes a first long hole arranged along the length direction of the rectangular plate and a second long hole arranged along the width direction of the rectangular plate, and the first rod, the second rod, the third rod and the fourth rod are connected to the substrate by screws.

8. The anti-short circuit tooling for busbar installation of claim 3, wherein, The holding rod is connected to the center of the rectangular plate.

9. The anti-short circuit tooling for busbar installation of claim 8, wherein, The rectangular plate is provided with a sixth through hole, and the holding rod is inserted and fixed in the sixth through hole.

10. The anti-short circuit tooling for busbar installation of claim 2, wherein, The holding rod and the positioning rods are both glass fiber tubes, and the substrate is a wooden plate.

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