CN220544113U - Battery pack structure and battery - Google Patents

Abstract

The utility model provides a battery pack structure, which comprises a plurality of battery core units which are connected side by side or in an overlapping structure and are electrically connected in series as a whole; the battery cell units are uniformly arranged: the two unified peripheral positions are respectively provided with an output electrode, and an electrode baffle plate is arranged in a matched manner with one of the two output electrodes; in the two adjacent battery core units, the positions of the two output electrodes with the same polarity are staggered; and the electrode baffle plate insulates and separates two opposite output electrodes which are not directly and electrically connected through an external conductor in two adjacent battery core units. A battery having the battery pack structure is also provided. The battery internal structure is improved, so that the stability and the service life of the battery can be effectively improved.

Description

Battery pack structure and battery

Technical Field

The present utility model relates to the field of battery technologies, and in particular, to a battery pack structure and a battery.

Background

Under the push of the high-speed development of new energy, the innovation and development of the electric and power batteries of vehicles in recent years can be called as the hot topic of the vehicle industry. At present, there are numerous batteries with different structures, shapes, powers, adaptation types and the like in the market, and research and development of various power batteries are basically attempted to design a battery pack structure capable of accommodating more battery cores and larger electric quantity in a limited shell space, so that it is important to design an internal battery pack structure with compact structure, safety and stability. In the existing batteries, the service life of many batteries is short or the maximum capacity of the batteries is reduced rapidly, and the fault batteries and unhealthy batteries are anatomically analyzed, so that the internal battery pack structure design and the internal connection circuit design are complex and unreasonable, the circuit or the battery core is further damaged due to stress deformation in the use process, and the battery core necrosis is caused by poor insulation and short-circuit prevention protection design.

Disclosure of Invention

The utility model provides a battery pack structure and a battery, which aim to solve the problems of battery failure and short service life caused by weak stress of the internal structure of the battery in the dynamic use process for a long time and easy occurrence of short circuit of an internal circuit.

The first aspect of the utility model provides a battery pack structure comprising a plurality of battery cells connected in a side-by-side or overlapping structure and electrically connected in series overall; the battery cell units are uniformly arranged: the two unified peripheral positions are respectively provided with an output electrode, and an electrode baffle plate is arranged in a matched manner with one of the two output electrodes; in the two adjacent battery core units, the positions of the two output electrodes with the same polarity are staggered; and the electrode baffle plate insulates and separates two opposite output electrodes which are not directly and electrically connected through an external conductor in two adjacent battery core units.

In some embodiments of the present utility model, each of the battery cells is configured in a unified manner: the two output electrodes are arranged at the top edge or the bottom edge of the battery cell unit.

In some embodiments of the present utility model, each of the cell units is designed to be symmetrical about a midpoint of a connection or a vertical center line of the connection between the two output electrodes.

Further, each cell unit comprises a mounting frame and a unit total cell; the mounting frame is provided with a cell groove, and the unit total cell is mounted in the cell groove; the two total output electrodes of the unit total battery cell are the two output electrodes of the battery cell unit.

Further, the electrode barrier plate is provided on the periphery of the mounting frame.

In some embodiments of the present utility model, each of the unit total cells employs a single flat cell; the two battery cell electrodes of the flat battery cell are symmetrically arranged about the central line of the flat battery cell; each flat battery cell is uniformly arranged: the two battery cell electrodes are arranged on the top edge or the bottom edge of the flat battery cell.

Furthermore, each mounting frame further comprises a heat-dissipation insulating plate, the heat-dissipation insulating plates are plugged at the positions of the cell grooves, and the main body parts of the unit total cells are tightly attached to the heat-dissipation insulating plates.

In some embodiments of the present utility model, the battery pack structure is further provided with an acquisition module, which is disposed near the output electrode; each cell unit is also provided with an acquisition baffle plate; (1) the two output electrodes of the battery cell unit at one end and the positive output electrodes of the other battery cell units are all collection points of the collection module, and the collection baffle separates the output port of the collection module from the negative output electrodes of the other battery cell units so as to avoid direct contact connection; (2) or, two output electrodes of the battery cell unit at one end and the negative output electrodes of the other battery cell units are all collection points of the collection module, and the collection partition plate separates the output port of the collection module from the positive output electrodes of the other battery cell units so as to avoid direct contact connection.

In some embodiments of the present utility model, the battery pack structure further includes a locking mechanism for locking all the cell units.

Another aspect of the present utility model provides a battery comprising a housing and the battery pack structure as in any one of the preceding aspects, the battery pack structure being mounted within the housing.

The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:

according to the utility model, through improving the unit structures and the whole-package structures of the plurality of battery core units, the assembled battery pack structure is firmer and more stable, and the anti-compression and anti-falling effects are better in daily use through a more complex battery anti-falling test experiment with higher strength; moreover, the area of ghost images between the battery cell units is larger, the space utilization rate is higher, and the whole battery pack structure is more compact, so that the battery pack structure can accommodate the battery cells with larger electric energy storage on the basis that the volume of the battery pack structure is the same and the internal space of the battery is the same, and the cruising ability of the battery for outputting electric energy is improved. The cell is subjected to unit integration unified improved design, so that unified production and manufacture are facilitated, assembly steps and cost can be simplified, and productivity is improved.

The overall design of the battery core unit is also carried out to form a series connection circuit with S-shaped trend, the overall design and distribution of the circuit are optimized and simplified, the traditional structural scheme of internal wiring of the battery is replaced, and the circuit connection (such as welding) between the output electrodes is better in processing operation; and the positions of the two output electrodes which are needed to be connected by the conductors between the adjacent battery core units correspond to each other and the distance between the two output electrodes is close, so that the stress directions and the force of the two output electrodes connected by the conductors are almost close, the connection conductors of the two output electrodes are not easy to deform or fall off, and the fault rate is reduced.

In addition, each cell unit is also provided with an electrode baffle plate in an adapting way, so that two opposite output electrodes (a+ and b- "are described as examples in the specific embodiment) which are not required to be directly and electrically connected through an external conductor in two adjacent cell units are isolated in an insulating way under the normal use state of the battery pack structure; the electrode baffle plate forms an adaptive and fixed insulating barrier, so that accidents such as short circuit of a battery core and the like caused by deformation or displacement of an output electrode or a connecting conductor of the output electrode in the traditional battery are effectively overcome, the failure rate of the battery is effectively reduced, and the service life is prolonged. Moreover, only one electrode baffle plate is required to be arranged in each cell unit in an adaptive manner with one of the output electrodes, so that the structure of the cell unit is simplified, a certain weight is reduced, and the components of the cell unit are easier to process and produce.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the structure of a battery according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an embodiment of a battery pack structure of the present utility model;

FIG. 3 is a schematic diagram illustrating a disassembled structure of a battery cell according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a cell unit according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of another embodiment of a cell unit of the present utility model;

FIG. 6 is a schematic diagram of an embodiment of a unit total cell of the present utility model;

wherein,

10 outer casing,

20 battery pack structure,

30 cells,

31 output electrode, 311 positive output electrode, 312 negative output electrode,

32 nickel sheets,

33 electrode barrier plate,

34 units of total battery cells,

35 mounting frame, 351 cell slot, 352 anode and cathode mark, 353 clamping step, 354 interrupt part,

36 collecting partition board,

37 heat dissipation insulating board,

40 side heat dissipation plate,

50 acquisition modules, 51 small nickel plates,

61 screw head, 62 nut, 63 through-hole, 64 screens.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element 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. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

The first aspect of the present utility model provides a battery pack structure 20 that basically includes a plurality of battery cells 30 connected in a side-by-side or overlapping configuration and electrically connected in series overall. The cell units 30 are uniformly arranged: the output electrodes are respectively provided at the unified two peripheral positions (i.e., the two positions of the output electrode 31 in each cell unit 30 are peripheral positions of two unified points, but the positions of the two output electrodes 31 are not limited to a specific one, which is provided with the positive output electrode 311 and which is provided with the negative output electrode 312), and an electrode barrier 33 is provided in adaptation to one of the two output electrodes 31. In the adjacent two battery cells 30, the positions of the two output electrodes 31 with the same polarity are staggered (i.e. the plurality of battery cells 30 are uniformly connected in a mode of vertically side by side or horizontally overlapped to form the battery pack structure 20 of the utility model, two rows of output electrodes 31 with the corresponding positions are arranged at the positions of one electrode of any one battery cell 30, a positive output electrode 311 is arranged at the position of the other electrode of the battery cell 30, a negative output electrode 312 is arranged at the position of the other electrode of the battery cell, and the positions of the two electrodes of the positive and negative output electrodes 31 of the previous or the next battery cell 30 adjacent to the battery cell 30 are interchanged, so that the positions of the output electrodes 31 with the same polarity are staggered in the adjacent two battery cells 30, and the battery cells 30 are in a serial connection circuit with an S-shaped trend. And the electrode barrier 33 insulates the two opposite output electrodes 31 of the two adjacent cells 30, which are not directly electrically connected by the external conductor. For example, the first electrode position of any one of the battery cell units A is provided with a positive output electrode a+, and the second electrode position is provided with a negative output electrode a-; the battery cell unit B is adjacent to the battery cell unit A, a first electrode position of the battery cell unit B is provided with a negative output electrode B-, and a second electrode position is provided with a positive output electrode b+; the first electrode position of the cell unit C adjacent to the cell unit B is provided with a positive output electrode c+, and the second electrode position is provided with a negative output electrode C-; then connecting the two electrodes a-and b+ which are both positioned at the second electrode position through a nickel plate 32; meanwhile, the electrode baffle plate 33 of the cell unit A insulates and separates the output electrodes 31 which are a+ and b-and are both at the first electrode position and do not need to be directly connected through an external conductor; and connecting the two electrodes b-and c+ both at the first electrode position by another nickel plate 32; meanwhile, the electrode baffle plate 33 of the cell unit B insulates and separates the two output electrodes 31 which are b+ and c-and are all at the second electrode position and do not need to be directly connected through an external conductor; it will be appreciated that the series connection of the other cells 30 and the adapted arrangement of the electrode barrier plates 33 and so on.

According to the utility model, through improving the unit structures and the whole-package structures of the plurality of battery core units 30, the assembled battery pack structure 20 is firmer and more stable, and the anti-compression and anti-falling effects are better in daily use through a more complex battery anti-falling test experiment with higher strength; moreover, the area of ghost images among the battery cell units 30 is larger, the space utilization rate is higher, and the whole battery pack structure 20 is more compact, so that the battery pack structure 20 can accommodate a battery cell with larger electric energy storage on the basis of the same volume of the battery pack structure 20 and the same internal space of the battery, and the cruising ability of the battery to output electric energy is improved. The cell is subjected to unit integration unified improved design, so that unified production and manufacture are facilitated, assembly steps and cost can be simplified, and productivity is improved.

The overall design of the battery cell unit 30 is also formed into a series connection circuit with an S-shaped trend, so that the overall design and distribution of the circuit are optimized and simplified, the traditional complex structure scheme of internal wiring of the battery is replaced, and the circuit connection (such as welding) between the output electrodes 31 is better in processing operation; and the positions of the two output electrodes 31 which are required to be connected by the conductors between the adjacent battery core units 30 correspond to each other and the distance between the two output electrodes is close, so that the stress directions and the stress forces of the two output electrodes 31 connected by the conductors are almost close, the connection conductors of the two output electrodes are not easy to deform or fall off, and the fault rate is reduced.

Moreover, each cell unit 30 is also provided with an electrode baffle 33 in an adaptive manner, so that two opposite output electrodes 31 (refer to the above-mentioned examples of "a+ and b-") which are not required to be directly and electrically connected through external conductors in two adjacent cell units 30 are isolated from each other in a normal use state of the battery pack structure 20; the electrode baffle plate 33 forms an adaptive and fixed insulating barrier, so that accidents such as short circuit of a battery core and the like caused by deformation or displacement of the output electrode 31 or a connecting conductor of the output electrode are effectively overcome, the failure rate of the battery is effectively reduced, and the service life is prolonged. Moreover, only one electrode baffle plate 33 is required to be arranged in each cell unit 30 in a matched manner with one output electrode 31, so that the structure of the cell unit 30 is simplified, a certain weight is reduced, and the components of the cell unit 30 are easier to process and produce.

It will be appreciated that other components or structures comprising the battery pack structure 20 may be referred to in the present or future innovative design of battery products and will not be described in detail herein.

In order to adapt the arrangement position of the output terminals of certain battery products, in some embodiments of the present utility model, each of the battery cells 30 is uniformly arranged: both output electrodes 31 are arranged at the top or bottom side of the cell unit 30. I.e. the two output electrodes 31 of each cell unit 30 are all located within the same peripheral range, and all cell units 30 are all uniformly arranged in the top range or all in the bottom range. Reference may be made, for example, to the embodiment configuration shown in fig. 1 and 2. So designed, after all the cell units 30 are assembled, all the output electrodes 31 are located on the top surface or the bottom surface of the battery pack structure 20; the final two total output electrodes 31 of the battery pack structure 20 are all on the same surface (and are the top surface or the bottom surface), and the battery control panel is arranged on the surface of the battery pack structure 20, so that the two total output electrodes 31 can be better connected with the positive electrode and the negative electrode of the battery control panel, and then the control panel is used for converting and connecting to an output joint of a battery product. The positions of the output electrodes 31 are uniformly arranged in a certain range, so that circuit connection is optimized, a plurality of connecting wires are reduced, the stability of electric energy transmission is improved, and the failure rate is further reduced. Moreover, the design structure that the output connector is arranged on the top surface or the bottom surface of the battery is more suitable for the existing battery product. Of course, it should not be understood that this arrangement is a limitation of the present utility model, and the two output electrodes 31 may be arranged in other peripheral ranges according to the actual design requirement of the battery product, but the positions of the two output electrodes 31 of each cell unit 30 need to be fixed uniformly, so as to facilitate production and processing, and also adapt to the optimized circuit connection of the battery pack structure 20.

In order to further facilitate the production process and assembly of each cell unit 30, in some embodiments of the present utility model, each cell unit 30 is designed to be symmetrical about the midpoint of the connection (refer to the embodiment structure shown in fig. 5) or the vertical centerline of the connection (refer to the embodiment structure shown in fig. 4) of two output electrodes 31. The design can directly adopt the uniformly arranged battery cell units 30, so that the manufacturing cost is reduced. By using the uniformly arranged battery cells 30, even if the positions of the positive and negative output electrodes 31 of each battery cell 30 are in one-to-one correspondence, the two adjacent battery cells 30 can be realized by only symmetrically rotating (referring to the embodiment structure shown in fig. 5) or symmetrically turning (referring to the embodiment structure shown in fig. 4) the battery cells 30 during assembly, and the positions of the two output electrodes 31 with the same polarity are staggered, so that the serial circuit connection for realizing the S-shaped trend can still be adapted.

In order to be able to adapt to the manufacturing of battery products of different capacities, in some embodiments of the utility model, the cell units 30 are still further specifically optimized for production and assembly, in particular: each cell unit 30 includes a mounting frame 35 and a unit total cell 34; the mounting frame 35 is provided with a cell groove 351, and the unit total cell 34 is mounted in the cell groove 351; the two total output electrodes 31 of the unit total cell 34 are the two output electrodes 31 of the cell unit 30. That is, the foregoing description of the battery cell 30 refers to the entirety of one battery cell 30. And the cell total cell 34 refers to the sum of all its energy storage cells in each cell unit 30. It can be appreciated that the unit total cell 34 may be a complete cell, or may be formed by connecting a plurality of small cells in series or parallel; of course, the design of the overall cell 34 may be personalized to the desired electrical energy reserve; and a cell unit 30 comprising a plurality of small cells, which are required to be adaptable to each other in volume and structure and to the cell grooves 351 in order to achieve a side-by-side or overlapping structural connection and overall series electrical connection.

In general, in some embodiments of the present utility model, as shown in fig. 3 and 6, each unit total cell 34 is a single flat cell; the flat battery cell and the two battery cell electrodes thereof are symmetrically arranged about the central line of the flat battery cell; each flat cell is uniformly provided with: both cell electrodes are arranged on the top side or the bottom side of the flat cell. According to the battery pack structure 20, only a battery core with one structural specification is needed, and when the battery core is assembled, the positions of two output electrodes 31 with the same polarity in two adjacent battery core units 30 can be staggered only by overturning the battery core. And a plurality of single flat battery cells are assembled side by side or in an overlapping structure, and most of the area is ghost, so that the battery pack structure 20 with the same volume is assembled and the same battery internal space is used, and the battery pack structure 20 can be assembled to accommodate larger battery cells, and the electric energy output can last longer. The structure is specifically optimized to design the unit total battery core 34 to be a single flat battery core, and the mounting frame 35 is designed to be symmetrically arranged except for a plurality of special positions such as the electrode baffle plate 33, so that the battery pack structure 20 is more compact, easy to process and produce and higher in assembly efficiency. Further, the flat battery cell may be a flat soft package battery cell or a square battery cell.

Because of the compact fit between the battery cells 30, in some embodiments of the present utility model, each mounting frame 35 further includes a heat dissipating insulating plate 37 that seals the battery cells 351, and the main portion of the unit total battery cells 34 is tightly attached to the heat dissipating insulating plate 37. As shown in fig. 1 to 3, the side edges of the heat dissipation insulating plate 37 extend and are bent to the side walls of the mounting frame 35, so that the side walls of the mounting frame 35 can be coated and limited, and the total battery cells 34 of the stabilizing unit are reinforced; the bending part can be used for effectively conducting heat to the side radiating plate 40 of the battery pack structure 20 and then conducting the heat to the battery shell 10 or radiating and diffusing the heat, so that the heat radiating effect of the heat on the solid heat conducting piece is better, and the heat radiating performance of the battery pack structure 20 is greatly improved.

Further, a clamping step 353 is provided at the periphery of the cell groove 351 and is adapted to the output electrode 31, so as to limit the output electrode 31, and effectively prevent the output electrode 31 from being broken and deformed easily. Specifically, referring to the structure of the embodiment shown in fig. 3, on the top (or the bottom, the bottom is shown in fig. 1 to 3, and is just the reverse for easy observation) of the mounting frame 35, the protruding height of the output electrode 31 is adapted, a frame plate with a proper height (of course, the height of the clamping step 353 can be understood), and a blocking section is formed to separate the positions of the output electrodes 31 of the two adjacent battery cells 30 and the nearby positions, so as to avoid the short circuit in the region (the fault points and the fault problems of internal ignition of many batteries are herein); the end surface of the blocking section is then set to an adaptive wide surface, so that a portion of the output electrode 31 higher than the wide surface can be bent and clamped on the wide surface, and the single cell unit 30 is easier to assemble by utilizing the limitation of the output electrode 31 of the bent portion of the wide surface in the vertical direction (based on the placement state shown in fig. 3). All the battery cells 30 are arranged side by side or in an overlapping manner, the wide faces are spliced together, the situation that which battery cell 30 is not aligned is well recognized during assembly, and the whole structure is locked after timely correction during assembly, so that the battery pack structure 20 is stressed more uniformly during later use, and certain parts cannot be worn faster. And the bending part of the output electrode 31 is clamped on the wide surface, so that the nickel sheet 32 is welded on the positive and negative output electrodes 31 which are connected with the external conductors in the two adjacent battery core units 30 conveniently.

In order to avoid that two output electrodes 31 in the same cell unit 30 are accidentally and directly connected by external conductors in an idle mode to damage the energy storage cell, further, an interruption portion 354 is further arranged on the clamping step 353, and the interruption portion 354 can be designed into a structure such as a protrusion, a notch or a groove. For example, as shown in fig. 3, is designed as a recess which is adapted to fit the acquisition module 50 described below.

Since two output electrodes 31 with the same polarity are staggered in positions in two adjacent cell units 30 to form a serial circuit with an S-shaped trend, in order to more efficiently and accurately assemble each cell unit 30, further, in some embodiments of the present utility model, positive and negative electrode identifiers 352 are provided on each cell unit 30, specifically, may be correspondingly provided on the unit total cell 34 or on the mounting frame 35. Such as the embodiment shown in fig. 3 and 5, are provided on the framing sheet material described above to facilitate installer identification.

In the same cell unit 30, the electrode baffle plate 33 of the utility model needs to be matched with one of the output electrodes 31, and the electrode baffle plate 33 can be arranged at the matching surfaces of the two total output electrodes 31 of the unit total cell 34 according to the requirements of the processing technology; or on the mounting frame 35. For example, as shown in the embodiment of fig. 3, the electrode baffle 33 is disposed on the periphery of the mounting frame 35. Specifically, the electrode baffle plate 33 is located at the edge of the clamping step 353, and the battery pack structure 20 is assembled, and the electrode baffle plate 33 just insulates and separates two adjacent clamping steps 353 corresponding to the positions of the two adjacent clamping steps 353, so that the positive and negative output electrodes 31 clamped and limited on the two clamping steps 353 by bending are insulated and separated (for example, the electrode baffle plate 33 of the battery cell A insulates and separates the a+ from the B-two output electrodes 31, and the electrode baffle plate 33 of the battery cell B insulates the b+ from the c-). The other pair of positive and negative output electrodes 31 of the barrier wall is not provided with an electrode barrier 33, but rather a nickel sheet 32 is required to weld them firmly to form part of the series circuit. Further, as shown in fig. 1 and 2, the width of the nickel sheet 32 is slightly smaller than the width formed by combining the bent portions of the positive and negative output electrodes 31, that is, the width is also slightly smaller than the distance between two adjacent electrode barrier plates 33, and the nickel sheet 32 in the middle and the output electrode 31 of the bent portion are limited in the transverse direction by using the two adjacent electrode barrier plates 33, so that the performance of preventing short circuit is further improved. Thus, referring to the embodiment shown in fig. 1 and 2, the series circuit of S-shaped spark formed by the nickel plate 32 and the output electrode 31 can be clearly identified.

In order to better monitor the state and health of the battery pack structure 20, in some embodiments of the present utility model, the battery pack structure 20 is further provided with a collection module 50, which is disposed in the vicinity of the output electrode 31; each cell unit 30 is also provided with an acquisition separator 36; (1) the two output electrodes 31 of the cell unit 30 at one end and the positive output electrodes 311 of the other cell units 30 are all collection points of the collection module 50, and the collection separator 36 separates the output port of the collection module 50 from the negative output electrodes 312 of the other cell units 30 so as not to be in direct contact connection; (2) alternatively, two output electrodes 31 of the cell unit 30 at one end and the negative output electrodes 312 of the remaining cell units 30 are all collection points of the collection module 50, and the collection partition 36 separates the output port of the collection module 50 from the positive output electrodes 311 of the remaining cell units 30 so as not to be connected in direct contact. By utilizing the position blocking of the collecting partition plate 36, the data monitored in the long-term use process of the battery pack can be effectively ensured to have higher accuracy. Specifically, for example, as shown in the embodiment structures of fig. 1 and 2, the collecting board of the collecting module 50 is installed in a groove position formed by arranging the above-described interruption parts 354 (arranged on the clamping step 353 and used for separating the two output electrodes 31 of the same cell unit 30), and each output port on the collecting board is correspondingly matched and welded with each preset collecting point one by using the small nickel plate 51, and the collecting board can collect the electric parameter and/or the temperature parameter and/or other collectable parameters of each collecting point; the collecting diaphragm 36 and the electrode baffle 33 are parallel to each other, and the collecting plate has only a small section, and its length, thickness, shape, etc. need to be adapted to the arrangement, and can insulate the small nickel plate 51 from the opposite output electrode 31 connected to the collecting point, for example, the collecting point where the small nickel plate 51 is welded is a-, as described above, then the adjacent b+ connected to a-, will be insulated from the small nickel plate 51 by the collecting diaphragm 36. This is mainly because, although a-and b+ are connected in series by the nickel plate 32, the output electrodes 31 belonging to the two different cells 30 are tested and the parameters actually monitored at the different positions, especially the electrical parameters and the temperature, are different. Therefore, the accuracy of the monitoring data can be better guaranteed by effectively separating, so that the battery control panel can control the battery more accurately.

In order to further improve the positioning of the connecting nickel plates 32 during long-term use, the mounting frame 35 is further provided with another positioning portion, and one positioning portion is adapted to the corresponding collecting separator 36 to clamp and limit the connecting nickel plates 32, so as to avoid the long-term use from being displaced by vibration. For example, as shown in fig. 1 to 3, the middle parts of two ends of each connecting nickel plate 32 are respectively provided with a notch 64, the positioning part is a protrusion arranged parallel to the collecting partition plate 36, and the connecting nickel plates 32 can be clamped and positioned by the protrusion and the collecting partition plate 36, so that the connecting nickel plates 32 can be welded and connected during assembly, and the positioning stability of the connecting nickel plates 32 in long-term use stress can be further improved. It will be appreciated that the shape and configuration of the positioning portion and the collection spacer 36 are not limited thereto.

In order to secure the assembly of the battery pack structure 20 as a whole, in some embodiments of the present utility model, the battery pack structure 20 further includes a locking mechanism for locking all the battery cells 30. For example, as shown in fig. 1 to 5, corresponding through holes 63 are provided on each mounting frame 35, after each cell unit 30 is assembled side by side or in an overlapping manner, a screw rod is used to pass through the corresponding through holes 63 in the same row and a nut 62 is used to tighten the tail of the screw rod, so that all the cell units 30 are locked at intervals along the direction of the screw rod, and each cell unit 30 is more tightly attached and locked. It can be appreciated that the whole battery pack structure 20 can be provided with a plurality of sets of through holes 63 and screw nuts 62 for locking according to the requirement; the locking can also be performed by matching with other interconnecting limiting structures, and the locking is set according to design requirements. For example, a set of locking mechanisms with through holes 63 matched with screw nuts 62 are arranged at the positions of the four corners of the battery pack structure 20. Further, the screw head 61 is designed into a polygonal column shape, a clamping position 64 which is matched with the polygonal column in shape and size is arranged at the end position for clamping the screw head 61, after the screw passes through all the through holes 63, the screw can be prevented from rotating in the process of screwing the nut 62 by utilizing the mutual limit of the screw head 61 and the clamping position 64 of the polygonal column, so that the screw can be locked only by rotating the screw nut 62 at the tail end of the screw, a tool is not required to clamp the screw on one side, and the nut 62 is required to be screwed on the other side, thereby skillfully simplifying the assembly operation. Still further, designing the screw head 61 to resemble a multi-frustoconical shape as in the embodiment of fig. 1 and 2 reduces the protrusion of the corners, further facilitating installation of the battery pack structure 20 into the housing 10, and also reducing material and weight. Further, in order to enhance the compressive strength of the battery pack structure 20, support end plates are provided on those sides of the battery pack structure 20 where the compressive strength is required to be enhanced according to design requirements.

Another aspect of the present utility model provides a battery comprising a housing 10 and a battery pack structure 20 according to any of the embodiments described above, with the battery pack structure 20 being mounted within the housing 10 to form a battery product.

It should be noted that, the battery of the present application, except for the structure in the technical solution claimed in the present application, other structures of the battery and its functions may be configured in a customized manner according to various parameters, uses, functions, etc. of the battery, and the present application is not limited in particular. For example, the battery is provided with electrical connections, the battery is internally provided with a control module, an intelligent recognition module, etc.

It can be understood that the power supply or electric equipment which is currently available or innovated in the future is provided with the battery in any technical scheme described above, and belongs to the technical scheme which adopts the utility model for protection, and belongs to the protection scope of the application. The power supply equipment supplies power to the outside through the battery, such as power supply products of an inverter power supply equipment, a shared charging cabinet and the like which are provided with the battery; or the electric equipment supplies power for the electric equipment through the battery, such as electric products of electric vehicles and the like. And not described one by one, the battery power supply or the electric equipment in the application are only configured, and the protection scope of the application is provided.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery pack structure, characterized in that:

comprises a plurality of battery core units which are connected in parallel or overlapped structure and are electrically connected in series as a whole;

the battery cell units are uniformly arranged: the two unified peripheral positions are respectively provided with an output electrode, and an electrode baffle plate is arranged in a matched manner with one of the two output electrodes;

in the two adjacent battery core units, the positions of the two output electrodes with the same polarity are staggered;

and the electrode baffle plate insulates and separates two opposite output electrodes which are not directly and electrically connected through an external conductor in two adjacent battery core units.

2. A battery pack structure as claimed in claim 1, wherein:

each cell unit is uniformly arranged: the two output electrodes are arranged at the top edge or the bottom edge of the battery cell unit.

3. A battery pack structure as claimed in claim 1, wherein: each cell is designed to be symmetrical about the midpoint of the connection or the vertical midline of the connection of the two output electrodes.

4. A battery pack structure as claimed in claim 1, wherein:

each cell unit comprises a mounting frame and a unit total cell;

the mounting frame is provided with a cell groove, and the unit total cell is mounted in the cell groove;

the two total output electrodes of the unit total battery cell are the two output electrodes of the battery cell unit.

5. A battery pack structure as defined in claim 4, wherein: the electrode barrier plate is disposed on a periphery of the mounting frame.

6. A battery pack structure as defined in claim 5, wherein:

each unit total cell adopts a single flat cell;

the two battery cell electrodes of the flat battery cell are symmetrically arranged about the central line of the flat battery cell;

each flat battery cell is uniformly arranged: the two battery cell electrodes are arranged on the top edge or the bottom edge of the flat battery cell.

7. A battery pack structure as defined in claim 4, wherein:

each mounting frame further comprises a heat-dissipation insulating plate, the heat-dissipation insulating plates are plugged at the positions of the battery cells, and the main body parts of the unit total battery cells are tightly attached to the heat-dissipation insulating plates.

8. A battery pack structure as claimed in claim 2, wherein:

the battery pack structure is also provided with an acquisition module which is arranged near the output electrode;

each cell unit is also provided with an acquisition baffle plate;

the two output electrodes of the battery cell unit at one end and the positive output electrodes of the other battery cell units are all collection points of the collection module, and the collection baffle separates the output port of the collection module from the negative output electrodes of the other battery cell units so as to avoid direct contact connection;

or, two output electrodes of the battery cell unit at one end and the negative output electrodes of the other battery cell units are all collection points of the collection module, and the collection partition plate separates the output port of the collection module from the positive output electrodes of the other battery cell units so as to avoid direct contact connection.

9. A battery pack structure as claimed in claim 1, wherein: the battery pack structure further comprises a locking mechanism used for connecting and locking all the battery cell units.

10. A battery, characterized in that: comprising a housing and the battery pack structure according to any one of claims 1 to 9, the battery pack structure being mounted within the housing.