CN220692110U - Structure is dodged in temperature measurement of battery package - Google Patents

Abstract

The utility model discloses a temperature measurement avoiding structure of a battery pack, which comprises a section frame body and a bottom plate, wherein the section frame body and the bottom plate are welded to form an accommodating cavity with an open top surface, and a concave probe avoiding groove is formed in one side of the bottom plate facing the accommodating cavity. According to the utility model, the accommodating cavity is formed by adopting the profile frame body and the bottom plate, so that the battery cell module is assembled in advance, and the probe avoiding groove is formed in the bottom plate during assembly, so that the temperature probe can be avoided, and the battery cell module can play a role in buffering and avoiding when the temperature probe is extruded by external force, so that the stability of temperature data acquisition is improved.

Description

Structure is dodged in temperature measurement of battery package

Technical Field

The utility model relates to the technical field of battery packs, in particular to a temperature measurement avoiding structure of a battery pack.

Background

The prior battery pack comprises a metal plate shell, an electric core module and a limiting beam, wherein a plurality of limiting beams are required to be fixed or welded in the metal plate shell through bolts during installation, a plurality of battery modules are fixed after being placed in the limiting beams, glue is filled after the battery modules are placed in the battery packs, and finally the battery cover body and the metal plate shell are locked to form the battery pack. Above-mentioned battery package installation electric core module's step is loaded down with trivial details, needs to install a plurality of spacing roof beams, and needs assembly temperature probe to be used for gathering electric core module's temperature information when electric core module equipment, and temperature probe passes through FPC temperature sensing line and outwards transmits the data of gathering electric core module, and current temperature probe who gathers battery module installs in electric core module bottom more, when electric core module receives external force to rock, appears the extrusion problem to temperature probe easily, consequently needs to improve and optimize battery package structure.

Disclosure of Invention

In order to overcome at least one of the defects described in the prior art, the utility model provides a temperature measurement avoiding structure of a battery pack. Through adopting section bar frame body and bottom plate formation to hold the chamber, carry the electricity mandrel group and assemble in advance, and during the assembly, be provided with the probe on the bottom plate and dodge the groove, can dodge temperature probe, when the electricity mandrel group receives external force extrusion temperature probe, can play buffering and dodge the effect, improve temperature data acquisition's stability.

The utility model adopts the technical proposal for solving the problems that:

the utility model provides a structure is dodged in temperature measurement of battery package, includes section bar frame body and bottom plate, section bar frame body and bottom plate welding form the open chamber that holds in top surface, the bottom plate is provided with sunken probe towards one side that holds the chamber and dodges the groove.

Through adopting above-mentioned scheme, form a novel battery package section bar structure, can directly hold the battery package, need not to assemble spacing roof beam alone, and reserve on the bottom plate of being connected with section bar frame body and have the probe to dodge the groove, be convenient for gather the temperature of electric core module.

Further, the profile frame body comprises a first transverse beam, a second longitudinal beam and an intermediate beam which are integrally fixed, the intermediate beam comprises a first transverse intermediate beam and a second longitudinal intermediate beam, the end part of the first transverse intermediate beam is connected with the second longitudinal beam, and the end part of the second longitudinal intermediate beam is connected with the first transverse beam.

Through adopting above-mentioned scheme for section bar frame body integrated into one piece need not to assemble alone, improves assembly efficiency, and satisfies spacing and fixed effect to the electric core module.

Further, a line avoiding groove is further formed in the bottom plate, one end of the line avoiding groove is communicated with the probe avoiding groove, and the other end of the line avoiding groove is led to the inner side wall of the first transverse beam and/or the inner side wall of the second longitudinal beam.

Through adopting above-mentioned scheme, can dodge for FPC temperature sensing line, improve FPC temperature sensing line's security.

Further, the other end of the line avoiding groove is led to the inner side wall of the second longitudinal beam, the top surface of the second longitudinal beam is provided with a concave longitudinal beam wiring groove, and a longitudinal beam assembly surface is arranged in the longitudinal beam wiring groove.

Through adopting above-mentioned scheme, through set up longeron wiring groove on the second longitudinal beam, can assemble the binding post of FPC temperature sensing line tip, and the longeron assembly face of longeron wiring groove can provide the assembly space.

Further, the other end of the line avoiding groove is communicated with the inner side wall of the first transverse beam, the top surface of the first transverse beam is provided with a concave transverse beam wiring groove, and a transverse beam assembly surface is arranged in the transverse beam wiring groove.

Through adopting above-mentioned scheme, through setting up the crossbeam wiring groove on first transverse beam, can assemble the binding post of FPC temperature sensing line tip, and the crossbeam assembly face of crossbeam wiring groove can provide the assembly space.

Further, a bottom wiring groove is formed in the side wall of the first transverse beam and/or the side wall of the second longitudinal beam, and a wiring through hole is formed between the bottom wiring groove and the bottom plate.

Through adopting above-mentioned scheme, through set up the bottom wiring groove on the lateral wall of first horizontal roof beam and/or the lateral wall of second vertical roof beam, can make FPC temperature sense line wear out, directly set up the binding post of FPC temperature sense line tip outside the section bar, can not cause the interference to the assembly of electric core module.

Further, the bottoms of the first transverse beam and the second longitudinal beam are provided with first welding plates inwards, the two sides of the bottoms of the first transverse middle beam and the second longitudinal middle beam are provided with second welding plates, and the first welding plates and the second welding plates are welded with the bottom plate.

By adopting the scheme, the welding area between the profile frame body and the bottom plate can be increased, so that the welding stability is improved.

Further, at least one welding opening is formed in the first welding plate and the second welding plate.

Through adopting above-mentioned scheme, can alleviate the consumptive material of first welded plate and second welded plate to reduce holistic weight.

Further, when the line avoidance groove on the bottom plate is overlapped with the first welding plate, a welding plate avoidance groove communicated with the line avoidance groove is formed in the first welding plate.

Through adopting above-mentioned scheme, dodge the groove through setting up the welded plate and can be used to dodge FPC temperature sensing line, make FPC temperature sensing line on the bottom plate be in on the same horizontal plane all the time, guarantee the steady of electric mandrel group bottom.

Further, the shape of the line avoiding groove is a linear type, a curved type or a broken line type.

By adopting the scheme, the selectivity is high.

In summary, the temperature measurement avoiding structure of the battery pack provided by the utility model has the following technical effects:

1. through designing a section bar frame structure that bottom plate and section bar frame body in groove are dodged in area and being connected, can replace the complex structure of installing many roof beams in the current panel beating casing, solve the settling problem of electric core module, the groove can dodge temperature probe is dodged to the probe simultaneously, and when the electric core module receives external force extrusion temperature probe, can play buffering and dodge the effect, improves temperature data acquisition's stability;

2. through set up crossbeam wiring groove or set up longeron wiring groove on the second longitudinal beam on first transverse beam, can wear out the temperature data that temperature probe gathered from longeron wiring groove through FPC temperature sensing line, be favorable to the transmission of signal.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of a partial explosion structure of embodiment 1 of the present utility model;

FIG. 3 is an enlarged view of area A of FIG. 1;

fig. 4 is a schematic perspective view of embodiment 2 of the present utility model;

FIG. 5 is a schematic view of a partial explosion structure of embodiment 2 of the present utility model;

FIG. 6 is an enlarged view of region B of FIG. 4;

fig. 7 is a schematic perspective view of embodiment 3 of the present utility model;

FIG. 8 is a schematic view of a partial explosion structure of embodiment 3 of the present utility model;

fig. 9 is an enlarged view of region C in fig. 7.

Wherein the reference numerals have the following meanings: 1. a profile frame body; 11. a receiving chamber; 2. a bottom plate; 21. a probe avoiding groove; 22. a line avoiding groove; 23. FPC temperature sensing line; 3. a first transverse beam; 31. a beam wiring slot; 311. a beam assembly surface; 32. a bottom wiring groove; 4. a second longitudinal beam; 41. longitudinal beam wiring grooves; 411. a stringer assembly surface; 5. a middle beam; 51. a first transverse middle beam; 52. a second longitudinal center sill; 6. a first welding plate; 7. a second welding plate; 8. welding and perforating; 9. a welding plate avoiding groove; 10. and a wiring through hole.

Detailed Description

For a better understanding and implementation, the technical solutions of the embodiments of the present utility model will be clearly and completely described and discussed below in conjunction with the accompanying drawings, and it is apparent that what is described herein is only a part, but not all, of the examples of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

For the purpose of facilitating an understanding of the embodiments of the present utility model, reference will now be made to the drawings, by way of example, of specific embodiments, and the various embodiments should not be construed to limit the embodiments of the utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1-9, the utility model discloses a temperature measurement avoiding structure of a battery pack, which comprises: including section bar frame body 1 and bottom plate 2, section bar frame body 1 is formed by integrative concatenation of multistage section bar, bottom plate 2 is fixed in section bar frame body 1 bottom to form that the top surface is opened, the central authorities can hold the chamber 11 that holds of electric mandrel group, section bar frame adopts steel or aluminium material, self cavity formation cavity, be provided with a plurality of parallel arrangement's connecting plate in the cavity, can improve the self intensity of section bar. Specifically, the profile frame body 1 includes first horizontal roof beam 3, second vertical roof beam 4 and middle roof beam 5, middle roof beam 5 includes first horizontal middle roof beam 51 and second vertical middle roof beam 52 again, first horizontal roof beam 3 is longer than second vertical roof beam 4, first horizontal roof beam 3 is provided with two, second vertical roof beam 4 is provided with two, first horizontal roof beam 3 and second vertical roof beam 4 crisscross concatenation in proper order form rectangular frame, first horizontal middle roof beam 51 is located between two first horizontal roof beams 3 and is parallel with first horizontal roof beam 3, first horizontal middle roof beam 51 both ends are connected with two second vertical roof beams 4 respectively, second vertical middle roof beam 52 is located between two second vertical roof beams 4 and is parallel with second vertical roof beam 4 respectively, second vertical middle roof beam 52 both ends are connected with two first horizontal roof beams 3 respectively, through perpendicular cross connection's first horizontal middle roof beam 51 and second vertical middle roof beam 52 will the electric core accommodation space of profile frame body 1 is four at least to be four frame holding areas, consequently, can be four the bottom plate 2 each side to connect with the bottom plate respectively, and the stability is improved.

It should be noted that, the splicing manner of the profile frame body 1 itself and the splicing manner of the middle beam 5 are welding, which includes but is not limited to segment welding or full welding, and the heights of the first transverse beam 3, the second longitudinal beam 4, the first transverse middle beam 51 and the second longitudinal middle beam 52 are the same, so that in order to reduce the weight thereof, partial cutting can be performed at the upper end of any side beam, and in this embodiment, specific limitation is not performed, but in order to improve the stability of the profile connection, the section welded portion cannot be cut.

Every the area of bottom plate 2 all is not less than the rectangle area that section bar frame body 1 self encloses and closes and be, just bottom plate 2 edge and section bar frame body 1 seal welding, be provided with the probe on the bottom plate 2 and dodge groove 21, the probe dodges the groove 21 and be punching press type pit for dodge the temperature probe that holds in the chamber 11, temperature probe passes through FPC temperature sensing line 23 and is connected to outside the section bar frame body 1.

In the embodiment 1 of the present utility model, as shown in fig. 1 to 3, the number of the first transverse middle beams 51 and the second longitudinal middle beams 52 is one, so that the profile frame body 1 and the middle beams 5 form a field-shaped structure, and four bottom plates 2 are provided, and can be used for supporting four groups of electric core modules, at least one probe avoidance groove 21 on each bottom plate 2 is provided, the probe avoidance groove 21 is further connected with an L-shaped line avoidance groove 22, one end of the line avoidance groove 22, away from the probe avoidance groove 21, extends to the second longitudinal beam 4, the top surface of the second longitudinal beam 4 is provided with an indent longitudinal beam wire connection groove 41, the top surface of the longitudinal beam wire connection groove 41 is a longitudinal beam assembly surface 411, the total number of the top surface of the second longitudinal beam 4 is not less than the total number of the avoidance grooves, FPC temperature sensing wires 23 are provided in the line avoidance groove 22, two ends of the FPC temperature sensing wires 23 are respectively connected with a temperature probe and a wiring terminal, and the temperature probe is located in the probe avoidance groove 21, and is used for acquiring temperature data of the electric core modules. The FPC temperature sensing wire 23 is arranged along the longitudinal beam wire connecting groove 41, and is bent from the end of the wire avoidance groove 22 to the side wall of the second longitudinal beam 4, and then is bent again after reaching the top surface of the longitudinal beam wire connecting groove 41 of the second longitudinal beam 4 upwards along the side wall of the second longitudinal beam 4, and the terminal is arranged on the longitudinal beam assembling surface 411, so that the connection and arrangement of temperature acquisition are optimized, and the assembling stability of the FPC temperature sensing wire 23 and the temperature probe is improved.

In this embodiment 1, in order to improve the welding strength of the profile frame body 1 and the bottom plate 2, the bottom of the first transverse beam 3 and the bottom of the second longitudinal beam 4 may be provided with the first welding plate 6 to the inner side, the bottoms of the two sides of the first transverse middle beam 51 and the second longitudinal middle beam 52 may be provided with the second welding plate 7, the area welded with the bottom plate 2 may be improved by the first welding plate 6 and the second welding plate 7, so as to improve the welding stability, the first welding plate 6 and the second welding plate 7 are provided with the welding opening 8, which is favorable for reducing the material consumption and the weight, and reducing the total weight of the profile, the line avoidance groove 22 and the welding opening 8 of the first welding plate 6 are correspondingly provided, so as to avoid the FPC temperature sensing line 23, when the welding opening 8 of the first welding plate 6 cannot avoid the FPC temperature sensing line 23, the welding plate avoidance groove 9 needs to be provided on the first welding plate 6, and the bottom plate 2 and the welding opening 8 may be partially welded, so that a wiring through hole 10 is formed between the bottom plate 2 and the welding opening 8, which is convenient for accessing the FPC temperature sensing line 23 or the FPC temperature sensing line 4 does not need to be assembled on the second welding terminal 4.

According to the embodiment 2 of the utility model, referring to fig. 4-6, improvement is carried out on the basis of the embodiment 1, a line avoidance groove 22 is designed to be linear, the probe avoidance groove 21 is positioned at one end of the line avoidance groove 22, a longitudinal beam wiring groove 41 arranged on the top surface of a second longitudinal beam 4 is removed, the top surface of the first transverse beam 3 is changed into a transverse beam wiring groove 31, the top surface of the transverse beam wiring groove 31 is a transverse beam assembly surface 311, the line avoidance groove 22 is vertical to the first transverse beam 3, a temperature probe is positioned in the probe avoidance groove 21, the acquisition stability of the temperature probe is improved, the temperature probe is prevented from being extruded by external force, the FPC temperature sensing line 23 is arranged along the linear line avoidance groove 22, is bent from the end of the line avoidance groove 22 to the side wall of the first transverse beam 3, then is bent again after reaching the top surface of the transverse beam wiring groove 31 of the first transverse beam 3 upwards along the side wall of the first transverse beam 3, and the wiring terminal is arranged on the transverse beam assembly surface 311, and the wiring terminal is positioned right above the line where the line avoidance groove 22 is positioned. In this embodiment 2, the linear avoidance groove is adopted, so that the problem of steering and bending of the FPC temperature sensing line 23 on the bottom plate 2 is avoided, and the stability of information transmission of the FPC temperature sensing line 23 is improved.

In this embodiment 2, in order to improve the welding strength of the profile frame body 1 and the bottom plate 2, a first welding plate 6 may be disposed inward at the bottoms of the first transverse beam 3 and the second longitudinal beam 4, the bottoms of the two sides of the first transverse middle beam 51 and the second longitudinal middle beam 52 may be provided with a second welding plate 7, and the welding area with the bottom plate 2 may be increased by the first welding plate 6 and the second welding plate 7, so as to improve the welding stability, the first welding plate 6 and the second welding plate 7 are provided with welding holes 8, which is favorable for reducing the material consumption and the weight, and reducing the total weight of the profile, and the line avoidance groove 22 and the welding holes 8 of the first welding plate 6 are disposed corresponding to each other, so as to avoid the FPC temperature sensing line 23, and the bottom plate 2 and the first welding plate 6 may be partially welded, so that a wiring through hole 10 is formed between the bottom plate 2 and the welding holes 8, which may facilitate the connection or the disconnection of the FPC temperature sensing line 23, and thus the wiring terminal of the FPC temperature sensing line 23 need not be assembled on the first transverse beam 3.

In the embodiment 3 of the present utility model, as shown in fig. 7 to 9, the number of the first transverse middle beams 51 and the second longitudinal middle beams 52 is one, so that the profile frame body 1 and the middle beams 5 form a field-shaped structure, and four bottom plates 2 are provided, so that the four groups of electric core modules can be supported, the probe avoidance grooves 21 on each bottom plate 2 are provided with at least one, the probe avoidance grooves 21 are not contacted with the first transverse beams 3 and the second longitudinal beams 4, the bottom side walls of the second longitudinal beams 4 are provided with bottom wiring grooves 32 near the bottoms, the bottom wiring grooves 32 and the bottom plates 2 form wiring through holes 10, the temperature probes are arranged in the probe avoidance grooves 21, and the FPC temperature sensing wires 23 are directly arranged from the positions of the bottom wiring grooves 32 and penetrate out of the wiring through holes 10 formed by the bottom wiring grooves 32 and the bottom plates 2, so that the connection terminals of the FPC temperature sensing wires 23 are located outside the second longitudinal beams 4; compared with the embodiment 1 and the embodiment 2, the embodiment 3 omits the step of forming the line avoiding groove 22 on the bottom plate 2, reduces the manufacturing process of the bottom plate, and greatly improves the production beat.

In some embodiments, the bottom wiring groove 32 may not be disposed on the second longitudinal beam 4, may also be disposed on the first transverse beam 3, and may be located on the first transverse beam 3 and the second longitudinal beam 4 at a position other than the bottom, may be located in the center or the top, and may ensure that the bottom plate 2 is not glue-leaking.

In summary, the temperature measurement avoiding structure of the battery pack provided by the utility model has the following technical effects:

1. through designing a section bar frame structure that bottom plate 2 in groove is dodged in area and section bar frame body 1 are connected, can replace the complex structure of installing many roof beams in the current panel beating casing, solve the settling problem of electric core module, the probe dodges groove 21 simultaneously can be used to dodge temperature probe, when electric core module receives external force extrusion temperature probe, can play buffering and dodge the effect, improves temperature data acquisition's stability;

2. through setting up crossbeam wiring groove 31 on first horizontal roof beam 3 or setting up longeron wiring groove 41 on second longitudinal roof beam 4, can wear out the temperature data that temperature probe gathered from longeron wiring groove 41 through FPC temperature sensing line 23, be favorable to the transmission of signal.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides a structure is dodged in temperature measurement of battery package, its characterized in that includes section bar frame body (1) and bottom plate (2), section bar frame body (1) and bottom plate (2) welding form the open chamber (11) that holds in top surface, bottom plate (2) are provided with sunken probe towards one side that holds chamber (11) and dodge groove (21).

2. The temperature measurement avoidance structure of a battery pack according to claim 1, characterized in that the profile frame body (1) comprises a first transverse beam (3), a second longitudinal beam (4) and an intermediate beam (5) which are integrally fixed, the intermediate beam (5) comprises a first transverse intermediate beam (51) and a second longitudinal intermediate beam (52), the end of the first transverse intermediate beam (51) is connected with the second longitudinal beam (4), and the end of the second longitudinal intermediate beam (52) is connected with the first transverse beam (3).

3. The temperature measurement avoiding structure of a battery pack according to claim 2, wherein a line avoiding groove (22) is further formed in the bottom plate (2), one end of the line avoiding groove (22) is communicated with the probe avoiding groove (21), and the other end of the line avoiding groove is led to the inner side wall of the first transverse beam (3) and/or the inner side wall of the second longitudinal beam (4).

4. A temperature measurement avoiding structure of a battery pack according to claim 3, wherein the other end of the line avoiding groove (22) is led to the inner side wall of the second longitudinal beam (4), the top surface of the second longitudinal beam (4) is provided with a concave longitudinal beam wiring groove (41), and the longitudinal beam wiring groove (41) is internally provided with a longitudinal beam assembling surface (411).

5. A temperature measurement avoiding structure of a battery pack according to claim 3, wherein the other end of the line avoiding groove (22) is led to the inner side wall of the first transverse beam (3), the top surface of the first transverse beam (3) is provided with a concave transverse beam wiring groove (31), and the transverse beam wiring groove (31) is internally provided with a transverse beam assembling surface (311).

6. The temperature measurement avoiding structure of a battery pack according to claim 2, wherein a bottom wiring groove (32) is arranged on the side wall of the first transverse beam (3) and/or the side wall of the second longitudinal beam (4), and the bottom wiring groove (32) and the bottom plate (2) form a wiring through hole (10).

7. The temperature measurement avoiding structure of a battery pack according to any one of claims 3 to 6, wherein the bottoms of the first transverse beam (3) and the second longitudinal beam (4) are provided with first welding plates (6) inwards, the bottom two sides of the first transverse middle beam (51) and the second longitudinal middle beam (52) are provided with second welding plates (7), and the first welding plates (6) and the second welding plates (7) are welded with the bottom plate (2).

8. The temperature measurement avoiding structure of a battery pack according to claim 7, wherein at least one welding opening (8) is provided on the first welding plate (6) and the second welding plate (7).

9. The structure is dodged in temperature measurement of a battery pack according to claim 8, wherein when the line dodge groove (22) on the bottom plate (2) overlaps with the first welding plate (6), a welding plate dodge groove (9) communicated with the line dodge groove (22) is arranged on the first welding plate (6).

10. A structure for avoiding temperature measurement of a battery pack according to claim 3, wherein the shape of the line avoiding groove (22) is a straight line type, a curved line type or a broken line type.