CN206163566U - Battery pack - Google Patents

Abstract

The utility model discloses a battery pack, including shell, cell and control box, the shell has the chamber of acceping, cell stack gradually set up in accept the intracavity, cell includes first holder, is located the second holder and the setting of first holder below are in a plurality of battery cell between first holder and the second holder, the control box includes the casing and sets up the circuit board in the casing, the casing accept in accept the intracavity and be located one side of cell. According to the embodiment of the utility model provides a battery pack, simple structure assembles simple and conveniently, and firm reliable more moreover, performance is stable.

Description

Battery pack

Technical field

The utility model is related to cell art, more particularly to a kind of battery pack.

Background technology

Battery is originated as energy, can provide burning voltage, and stabling current realizes that long-time stable is powered, in the modern times Various aspects in social life are played significant role.

Battery in different applications, the isoparametric requirement of required capacity, output current, output voltage also each not phase Together, for example larger output current, output voltage are then needed in the battery using aspects such as automobile, electric motor cars.And in order to increase The output current and/or output voltage of battery, general way is by multiple cell parallels and/or is composed in series battery pack.

However, for the battery pack of connection in series-parallel formation, applying in products such as automobile, electric motor cars, the environment such as external shock Factor has undesirable effect to the electric property between internal each battery, so, its structural integrity and reliability etc. are determined The stability of performance, battery pack in correlation technique, structural integrity is poor, and volume is big, and cell fixes insecure leading Cause its performance unstable.

Utility model content

The utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality It is to propose a kind of battery pack with new purpose.

For achieving the above object, according to the battery pack of the utility model embodiment, including：

Shell, the shell has a host cavity；

Battery unit, the battery unit is arranged in the host cavity, and the battery unit includes the first retainer, position The second retainer below first retainer and it is arranged on many between first retainer and the second retainer Individual cell；

Control box, the control box includes housing and the circuit board being arranged in housing, and the housing is contained in the receipts In cavity volume and positioned at the side of the battery unit.

According to the battery pack that the utility model embodiment is provided, the battery cell in battery unit by the first retainer and Second retainer is fixed to form battery unit, and battery unit is installed in inside the shell, meanwhile, control box is also installed in inside the shell and position In the side of battery unit, thus, the battery pack for being formed forms as one, simple structure is assembled simple and convenient and more firm Gu reliable, performance is stable.

In addition, can also have following additional technical characteristic according to the battery pack of the utility model above-described embodiment：

According to one embodiment of the present utility model, the battery unit is at least two, battery list described at least two Unit is stacked in the host cavity.

According to one embodiment of the present utility model, the housing includes：

Fore shell；

Back cover, the back cover is fastened to limit an installation cavity with the fore shell, is set between the back cover and the fore shell There is location structure；

Circuit board, the circuit board is contained in the installation cavity and is fixed on the installation cavity by the location structure It is interior.

According to one embodiment of the present utility model, the roof of the host cavity is provided with multiple first locating slots, the receipts The diapire of cavity volume is provided with multiple second locating slots；

The top surface of first retainer is provided with multiple first positioning convex, and the bottom surface of second retainer is provided with multiple Second positioning convex, multiple described first positioning convex one on first retainer in the battery unit of top One accordingly coordinates with multiple first locating slots, many on second retainer in the battery unit of the bottom Individual second positioning convex coordinates correspondingly with multiple second locating slots；

One median septum is set between adjacent two-layer battery unit；The upper surface of septum plate is provided with multiple three and determines Position groove, described the second of the battery unit of multiple 3rd locating slots with battery unit described in adjacent two-layer at the middle and upper levels Multiple second positioning convex are corresponded and coordinated on retainer；The lower surface of septum plate is provided with multiple 4th positioning Groove, multiple 4th locating slots are protected with described first of battery unit described in the lower floor in battery unit described in adjacent two-layer Hold multiple first positioning convex on frame and correspond and coordinate.

According to one embodiment of the present utility model, the side protrusion that the control box is closed on septum plate is formed with Locating button, the side of the housing is provided with the location hole fastened with the locating button in the control box.

According to one embodiment of the present utility model, the shell includes：

Upper casing, the upper casing has the first cavity that Open Side Down, and multiple first locating slots are at least partly formed at The roof of first cavity；

Drain pan, the drain pan has the second cavity of opening upwards, and multiple second locating slots are formed at described second The diapire of cavity；The drain pan fastens for first cavity and the second cavity to combine to form the collecting with the upper casing Chamber.

According to one embodiment of the present utility model, the diapire local protrusion of the upper casing is formed with a boss, described convex Platform has the 3rd cavity communicated with first cavity；

One lead plate is installed, the lead plate is contained in the described 3rd on the top of the housing in the control box In cavity, and the boss is provided with electric connector.

According to one embodiment of the present utility model, one is provided with the top of the boss with tearing open that the 3rd cavity is communicated Dress mouth, lid sets a seal closure on the dismounting mouth, and the battery downwardly projecting and with top is formed with the seal closure Multiple locating dowels that the housing in first retainer and the control box in unit offsets.

According to one embodiment of the present utility model, first retainer in battery unit described in top and multiple One upper spacer is set between the locating dowel, and multiple first locating slots are at least partly formed at the following table of the upper spacer Face.

According to one embodiment of the present utility model, the lower surface of the upper spacer closes on the side of the housing and is provided with Three positioning convex, are provided with the 5th locating slot coordinated with the 3rd positioning convex at the top of the housing.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or by it is of the present utility model practice recognize.

Description of the drawings

Fig. 1 is the structural representation of the utility model embodiment battery combination state；

Fig. 2 is the sectional view of the utility model embodiment battery combination state；

Fig. 3 is the structural representation at one visual angle of the utility model embodiment battery pack decomposing state；

Fig. 4 is the structural representation at another visual angle of the utility model embodiment battery pack decomposing state；

Fig. 5 is the structural representation of control box decomposing state in the utility model embodiment battery pack；

Fig. 6 is the sectional view of the utility model embodiment battery pack decomposing state；

Fig. 7 is the structural representation at first one visual angle of retainer in the utility model embodiment battery pack；

Fig. 8 is the structural representation at first another visual angle of retainer in the utility model embodiment battery pack；

Fig. 9 is the structural representation at second one visual angle of retainer in the utility model embodiment battery pack；

Figure 10 is the structural representation at second another visual angle of retainer in the utility model embodiment battery pack；

Reference：

Shell 10；

Drain pan 101；

Second cavity 1011；

Second locating slot 1012；

Upper casing 102；

First cavity 1021；

First locating slot 1022,141；

Boss 1023；

Seal closure 103；

Locating dowel 1031；

3rd cavity 1032；

Battery unit 11；

First retainer 111；

First positioning convex 1111；

First accepting hole 1112；

Second retainer 112；

Second positioning convex 1121；

Second accepting hole 1122；

Cell 113；

Control box 12；

Fore shell 121；

Location hole 1211；

5th locating slot 1212；

Back cover 122；

Circuit board 123；

Median septum 13；

3rd locating slot 131；

4th locating slot 132；

Locating button 133；

Upper spacer 14；

3rd positioning convex 142；

Lead plate 15；

Electric connector 16；

Conductive connecting piece 17.

The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Restriction.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " is based on orientation shown in the drawings or position relationship, merely to just In description the utility model and simplified description, rather than indicate or imply that the device or element of indication there must be specifically side Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two More than, unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can as the case may be understood Concrete meaning in the utility model.

Referring to figs. 1 to shown in Figure 10, according to the battery pack that the utility model is provided, including shell 10, battery unit 11 and Control box 12.

Specifically, shell 10 has a host cavity.The battery unit 11 is cascadingly set in the host cavity, institute Battery unit 11 is stated including the first retainer 111, the second retainer 112 positioned at the lower section of first retainer 111 and is set The multiple cells 113 between the retainer 112 of first retainer 111 and second are put, it is, each battery cell Between be relatively fixed by the first retainer 111 and the second retainer 112.Control box 12 includes housing and is arranged in housing Circuit board 123, the housing is contained in the host cavity and positioned at the side of the battery unit 11, that is to say, control box 12 are arranged in shell 10, and the circuit board 123 in the control box 12 is arranged in housing, and are protected by housing and fixed.

Preferably, the size and shape of host cavity are adapted with the size and shape of battery unit 11 and control box 12, It is that battery unit 11 and control box 12 can just be contained in host cavity and will not rock in the horizontal direction, thus, can be with But guarantee that each battery unit 11 and control box 12 are more consolidated in host cavity.

According to the battery pack that the utility model embodiment is provided, the battery cell in battery unit 11 passes through the first retainer 111 and the second retainer 112 fix form battery unit 11, battery unit 11 is installed in shell 10, meanwhile, control box 12 The side of battery unit 11 is installed in shell 10 and is located at, thus, the battery pack for being formed forms as one, simple structure, dress With simple and convenient and more solid and reliable, performance is stable.

In one embodiment of the present utility model, housing includes fore shell 121, back cover 122 and circuit board 123, wherein, after Shell 122 fastens to limit an installation cavity with the fore shell 121, and positioning knot is provided between the back cover 122 and the fore shell 121 Structure；Circuit board 123 is contained in the installation cavity and is fixed in the installation cavity by the location structure.

Thus, in assembling, fore shell 121 and back cover 122 are opened, circuit board 123 can be installed on fore shell 121 and back cover In in 122, then another in fore shell 121 and back cover 122 is covered, and circuit board 123 is realized using location structure Fixation, so assemble simpler convenience.

Exemplary, in Fig. 2 and Fig. 5 examples, location structure includes being formed at multiple bases of the inner surface of the fore shell 121 Portion and at least one top splenium of the inner surface of the back cover 122 is formed at, multiple base portions collectively form a mounting plane, circuit Plate 123 is placed on the mounting plane, when back cover 122 and fore shell 121 are fastened, then at least one top pressure of the inner surface of back cover 122 Portion is pressed on the circuit board 123 on mounting plane, thus, being capable of achieving the fixation of circuit board 123, its simple structure is installed It is convenient, and fixation reliability.

Favourable, in one embodiment of the present utility model, battery unit 11 is at least two, electricity described at least two Pool unit 11 is stacked in the host cavity.Thus, the bigger battery pack of capacity can be formed, to meet different demands, Additionally, using overlapped way, structure is simpler compact, space availability ratio is high, assembles also convenient.

With reference to shown in Fig. 2 to Fig. 4 and Fig. 6, in one embodiment of the present utility model, the roof of host cavity is provided with multiple the One locating slot 1022, the diapire of the host cavity is provided with multiple second locating slots 1012.

The top surface of the first retainer 111 is provided with multiple first positioning convex 1111, and the bottom surface of second retainer 112 sets There are multiple second positioning convex 1121, the multiple institutes on first retainer 111 in the battery unit 11 of top State the first positioning convex 1111 to coordinate with multiple first locating slots 1022 correspondingly, the battery unit of the bottom Multiple described second positioning convex 1121 on second retainer 112 in 11 is fixed with multiple described second correspondingly Position groove 1012 coordinates.That is, the first retainer 111 and the second retainer 112 are for fixing multiple cells, making Each cell is fixed relative to one another, and the battery formed after the first retainer 111 and the second retainer 112 are fixed In unit 11, the battery unit 11 of top is by the first positioning convex 1111 on the first retainer 111 and the top of shell 10 The first locating slot 1022 on wall coordinates and realizes being relatively fixed, and the battery unit 11 of the bottom is by the second retainer 112 The second positioning convex 1121 and the diapire of shell 10 on the second locating slot 1012 coordinate and realize being relatively fixed.

One median septum 13 is set between adjacent two-layer battery unit 11；The upper surface of septum plate 13 is provided with multiple 3rd locating slot 131, the battery of multiple 3rd locating slots 131 with battery unit 11 described in adjacent two-layer at the middle and upper levels Multiple second positioning convex 1121 are corresponded and coordinated on second retainer 112 of unit 11；Septum plate 13 Lower surface be provided with multiple 4th locating slots 132, multiple 4th locating slots 132 and battery unit 11 described in adjacent two-layer In lower floor described in battery unit 11 first retainer 111 on multiple first positioning convex 1111 correspond and match somebody with somebody Close.

That is, realizing upper and lower two battery units by median septum 13 between two neighbouring battery units 11 Being relatively fixed between 11, specifically, on the battery unit 11 on upper strata the second positioning convex 1121 of the second fender bracket with every 3rd locating slot 131 of the upper surface of plate 13 coordinates realizes that upper strata battery unit 11 is relatively fixed with median septum 13, the battery of lower floor First positioning convex 1111 of the first fender bracket coordinates under realization with the 4th locating slot 132 of the lower surface of median septum 13 on unit 11 Layer battery unit 11 is relatively fixed with median septum 13.Additionally, median septum 13 can be by upper strata battery unit 11 and the battery of lower floor Unit 11 separates, and plays electrical isolation effect, it is ensured that can between the battery unit 11 of levels insulating properties it is more preferable.

In the present embodiment, by the 3rd locating slot on median septum 13 between neighbouring two-layer battery unit 11 131st, the 4th locating slot 132 respectively with the second retainer 112 of levels on the second positioning convex 1121, the first retainer The first positioning convex 1111 on 111 is fixed on the positioning, many on the first retainer 111 in the battery unit 11 of top Individual first positioning convex 1,111 first locating slots 1022 multiple with the roof of shell 10 correspondingly coordinate, most bottom Layer the battery unit 11 in the second retainer 112 on multiple described second positioning convex 1121 correspondingly with outward Multiple second locating slots 1012 of diapire of shell 10 coordinate, thus, the battery pack structure being assembled to form is more solid and reliable, make With stable performance, meanwhile, its simple structure is assembled simple and convenient.

Favourable, with reference to shown in Fig. 2 to Fig. 4 and Fig. 6, in an example of the present utility model, close on median septum 13 The control box 12 side protrusion be formed with locating button 133, in the control box 12 side of the housing be provided with it is described The location hole 1211 that locating button 133 is fastened.In Fig. 3 to Fig. 4 examples, locating button is two, two locating buttons 133 respectively with it is front Two location holes 1211 on shell 121 engage, thus, can cause to be formed between median septum 13 and control box 12 be relatively fixed, And be relatively-stationary by median septum 13 between two neighbouring battery units 11, therefore, each battery unit 11 with Control box 12 is relatively fixed to form an entirety, so further improve the globality of the battery pack and the fastness of structure, can By property.

Referring to figs. 1 to shown in Fig. 4 and Fig. 6, in some embodiments of the present utility model, shell 10 include upper casing 102 and Drain pan 101, upper casing 102 has the first cavity 1021 that Open Side Down, and multiple first locating slots 141 are at least partly formed at The roof of first cavity 1021.Drain pan 101 has the second cavity 1011 of opening upwards, multiple second locating slots 1012 diapires for being formed at second cavity 1011；The drain pan 101 and the upper casing 102 are fastened with by first cavity 1021 and second cavity 1011 combine to form the host cavity.

In assembling process, each battery unit 11 can be sequentially loaded in the second cavity 1011 into drain pan 101, And, after a battery unit 11 is loaded, a median septum 13 is installed in the top of the battery unit 11, then by the next one Battery unit 11 loads and is located at the top of the median septum 13 formation state stacked on top of one another, when each battery unit 11 successively layer After folded, then upper casing 102 is fastened downwards with drain pan 101 so that each battery unit 11 of stacking is fixed in shell 10 Portion, thus, its is easy to assembly, is easy to form the battery pack of sandwich construction, meanwhile, being fastened using upper casing 102 and drain pan 101 can be with So that multi-layer cell unit 11 is secured in a press.

Furthermore, it is necessary to explanation, between the first positioning convex 1111 and the first locating slot, the 4th locating slot 132 Under coordinating the lower and cooperation of the second positioning convex 1121 and the second locating slot 1012 and the 3rd locating slot 131, on the one hand, can be with So that the battery pack structure being assembled to form is more solid and reliable, performance is more stable, on the other hand, it is also possible to so that assembling During more convenient accurate assembling, improve efficiency of assembling and assembling quality.

Referring to figs. 1 to shown in Fig. 4 and Fig. 6, shape is protruded in one embodiment of the present utility model, the diapire local of upper casing 102 Cheng Youyi boss 1023, the boss 1023 has the 3rd cavity 1032 communicated with first cavity 1021.Control box 12 In the housing top on a lead plate 15 is installed, the lead plate 15 is contained in the 3rd cavity 1032, and The boss 1023 is provided with electric connector 16.

That is, lead plate 15 is protruding upward house to the 3rd cavity 1032 of boss 1023, in a particular application, The both positive and negative polarity of each cell 113 can be connected by conductive connecting piece 17 in Fig. 3 and Fig. 4 examples and/or parallel connection connects Connect, each battery unit 11 can be connected to lead plate 15 as desired by lead, then by lead plate 15 with it is electrical Connector 16 connects, thus, its inner lead can be caused convenient simple, meanwhile, do not affect the jail of its battery pack structure Solidity and reliability.

Favourable, in one embodiment of the present utility model, the top of boss 1023 is provided with one with the 3rd cavity The 1032 dismounting mouths for communicating, on the dismounting mouth lid set a seal closure 103, be formed with the seal closure 103 it is downwardly projecting simultaneously Offset with the housing in first retainer 111 and the control box 12 in the battery unit 11 of top Multiple locating dowels 1031.

Thus, the open upper end of the 3rd cavity 1032 can be caused by opening seal closure 103, and then is easy to its inside Lead etc. be attached the operation such as arrangement.Additionally, locating dowel 1031 is set on seal closure 103, can using locating dowel 1031 So that the battery unit 11 and control box 12 of top to be compressed, and then guarantee the solid and reliable of structure.

With reference to shown in Fig. 2 to Fig. 4 and Fig. 6, in one embodiment of the present utility model, battery unit 11 described in top In first retainer 111 and multiple locating dowels 1031 between a upper spacer 14 is set, multiple first positioning Groove 1022,141 is at least partly formed at the lower surface of the upper spacer 14.Thus, using the buffer action of upper spacer 14, can be with Locating dowel 1031 is avoided to directly act on the first retainer 111 of top battery unit 11, and locating dowel 1031 is acted on On upper spacer 14, active force can be caused to be uniformly distributed in upper spacer 14, and then cause the pressuring action to battery unit 11 more It is solid and reliable.Additionally, the first locating slot of Distributed parts 141 on upper spacer 14, can cause upper spacer 14 using first positioning First positioning convex 1111 of the first retainer 111 on groove 141 and battery unit 11 coordinates to be realized and battery unit 11 between Be relatively fixed, the fastness and reliability of the structure for further improving.

Further, with reference to shown in Fig. 2 to Fig. 4 and Fig. 6, in one embodiment of the present utility model, upper spacer 14 Lower surface closes on the side of the housing and is provided with the 3rd positioning convex 142, is provided with the top of the housing and the 3rd positioning Raised 142 the 5th locating slots 1212 for coordinating.Thus, formed in the horizontal direction between upper spacer 14 and control box 12 is relative solid It is fixed, and it is relatively fixed between battery unit 11 and upper spacer 14, therefore, it is also relative solid between battery unit 11 and control box 12 Fixed.That is to say, can realize that the battery unit 11 of top layer and control box 12 are relatively fixed using upper spacer 14, thus, with Locating button 133 on dividing plate 13 combines, can implementation above will be relatively fixed between each battery unit 11 and control box 12, enter One step improves the fastness and reliability of battery pack structure.

With reference to shown in Fig. 7 to Fig. 8, in one embodiment of the present utility model, the first retainer 111 is formed as sheet frame shape Structure, with ranked first accepting hole 1112, multiple rows of first accepting hole 1112 is in the first direction more for first retainer 111 Arrangement, often arranges first accepting hole 1112 is arranged comprising multiple edges perpendicular to a second direction of the first direction first Accepting hole 1112, each described first accepting hole 1112 runs through along the vertical direction first retainer 111.Show in Fig. 7, Fig. 8 Example in, the first retainer 111 is generally rectangular, the length direction with the first retainer 111 as first direction, with the first retainer 111 width is second direction, and the length direction on first retainer 111 along first retainer 111 is placed with many Accepting hole 1112 is ranked first, for example, is formed one by each first accepting hole 1112 that broken line A1 is passed through and be ranked first accepting hole 1112, Each first accepting hole 1112 passed through by broken line A2 ranked first accepting hole 1112 for another.

Multiple first positioning convex 1111 are arranged as multiple rows of, and multiple rows of first positioning convex 1111 is along the first direction The upper surface of first retainer 111 is arranged in, first positioning convex 1111 is often arranged comprising multiple along the second party To first positioning convex 1111 of arrangement, each described positioning convex is located at two adjacent first accepting holes 1112 Between and at least partly block two adjacent first accepting holes 1112.

That is, positioning convex 1111 is ranked first ranked first setting one between accepting hole 1112 per adjacent two, and And, each first positioning convex 1111 to two adjacent the first accepting holes 1112 extend, and at least partly block two it is adjacent The first accepting hole 1112.In Fig. 7, Fig. 8 example, the first positioning convex 1111 is configured to rhombus, it is to be understood that at this In the other embodiment of utility model, the first positioning convex 1111 is it can also be provided that other shapes, such as square, circular etc., As long as extending partially in the first accepting hole of adjacent two 1112, for the cell 113 for loading plays position-limiting action i.e. Can.

With reference to shown in Fig. 9 to Figure 10, the second retainer 112 is formed as plate frame like structure, and the second retainer 112 has multiple rows of Second accepting hole 1122, multiple rows of second accepting hole 1122 is arranged along third direction, is often arranged second accepting hole 1122 and is wrapped Containing the second accepting hole 1122 that multiple edges arrange perpendicular to a fourth direction of the third direction, each described second accepting hole 1122 run through along the vertical direction second retainer 112.In Fig. 9, Figure 10 example, the second retainer 112 is generally rectangular, , as third direction, as fourth direction, this for the width with the second retainer 112 for length direction with the second retainer 112 Length direction on two retainers 112 along second retainer 112 is placed with and ranked second accepting hole 1122 more, such as by broken line A3 Each second accepting hole 1122 for passing through forms one and ranked second accepting hole 1122, each second accepting hole passed through by broken line A4 1122 ranked second accepting hole 1122 for another, and each second accepting hole 1122 is relative about 1112 with first accepting hole, and one The upper end of individual cell 113 is contained in the first accepting hole 1112, and lower end is contained in the second relative accepting hole 1122, thus, Realize the fixation of each cell 113.

Multiple second positioning convex 1121 are arranged as multiple rows of, and multiple rows of second positioning convex 1121 is along the third direction The lower surface of second retainer 112 is arranged in, second positioning convex 1121 is often arranged comprising multiple cubic along described the To second positioning convex 1121 of arrangement, each described second positioning convex 1121 is located at adjacent two described second and receives Hold between hole 1122 and at least partly block two adjacent second accepting holes 1122.

That is, positioning convex 1121 is ranked second ranked second setting one between accepting hole 1122 per adjacent two, and And, each second positioning convex 1121 to two adjacent the second accepting holes 1122 extend, and at least partly block two it is adjacent The second accepting hole 1122.In Fig. 9, Figure 10 example, the second positioning convex 1121 is configured to rhombus, it is to be understood that In other embodiment of the present utility model, the second positioning convex 1121 is it can also be provided that other shapes, such as square, circle Deng as long as extending partially in the second accepting hole of adjacent two 1122, for the cell 113 for loading plays position-limiting action .

Thus, each cell can be realized by first retainer 111 and the second retainer 112 of said structure 113 quick assembling and fixation, meanwhile, the sound construction reliability after fixing.

Favourable, in one embodiment of the present utility model, often arrange adjacent in first accepting hole 1112 two First accepting hole 1112 misplaces in said first direction arrangement；Often arrange adjacent in second accepting hole 1122 two Second accepting hole 1122 misplaces arrangement on the third direction.

In the present embodiment by the way of above-mentioned dislocation arrangement, can cause between each first accepting hole 1112, second Arrangement between accepting hole 1122 is compacter, and the space of duty is less, thus, the first retainer of the same area can be caused 111st, the second retainer 112 can be respectively arranged more first accepting holes 1112, the second accepting hole 1122, the structure of formation It is simpler compact.

In one embodiment of the present utility model, each described first positioning convex 1111 is located at first described in adjacent two row In accepting hole 1112 between adjacent and dislocation two first accepting holes 1112；Each described second positioning convex 1121 In the second accepting hole 1122 described in adjacent two row between adjacent and dislocation two second accepting holes 1122.Thus, the Positioning protrusion 1111, the second positioning convex 1121 are also in mistake arrangement so that the first retainer 111, the second retainer 112 Structure is simpler compact, and space availability ratio is higher.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be Combine in an appropriate manner in any one or more embodiments or example.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is without departing from the utility model Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and Modification.

Claims (10)

1. a kind of battery pack, it is characterised in that include：

Shell, the shell has a host cavity；

Battery unit, the battery unit is arranged in the host cavity, and the battery unit is including the first retainer, positioned at institute State the second retainer below the first retainer and the multiple lists being arranged between first retainer and the second retainer Body battery；

Control box, the control box includes housing and the circuit board being arranged in housing, and the housing is contained in the host cavity It is interior and positioned at the side of the battery unit.

2. battery pack according to claim 1, it is characterised in that the housing includes：

Fore shell；

Back cover, the back cover fastens to limit an installation cavity with the fore shell, is provided with fixed between the back cover and the fore shell Bit architecture；

Circuit board, the circuit board is contained in the installation cavity and is fixed in the installation cavity by the location structure.

3. battery pack according to claim 1, it is characterised in that the battery unit is at least two, at least two institutes State battery unit to be stacked in the host cavity.

4. battery pack according to claim 3, it is characterised in that the roof of the host cavity is provided with multiple first positioning Groove, the diapire of the host cavity is provided with multiple second locating slots；

The top surface of first retainer is provided with multiple first positioning convex, and the bottom surface of second retainer is provided with multiple second Positioning convex, a pair of multiple described first positioning convex 1 on first retainer in the battery unit of top Should ground and multiple first locating slots cooperations, the multiple institutes on second retainer in the battery unit of the bottom State the second positioning convex to coordinate with multiple second locating slots correspondingly；

One median septum is set between adjacent two-layer battery unit；The upper surface of septum plate is provided with multiple 3rd positioning Groove, described the second of the battery unit of multiple 3rd locating slots with battery unit described in adjacent two-layer at the middle and upper levels protects Hold multiple second positioning convex on frame and correspond and coordinate；The lower surface of septum plate is provided with multiple 4th locating slots, Multiple 4th locating slots keep with described first of battery unit described in the lower floor in battery unit described in adjacent two-layer Multiple first positioning convex are corresponded and coordinated on frame.

5. battery pack according to claim 4, it is characterised in that the side that the control box is closed on septum plate is convex Go out and be formed with locating button, the side of the housing is provided with the location hole fastened with the locating button in the control box.

6. battery pack according to claim 4, it is characterised in that the shell includes：

Upper casing, the upper casing has the first cavity that Open Side Down, and multiple first locating slots are at least partly formed at described The roof of the first cavity；

Drain pan, the drain pan has the second cavity of opening upwards, and multiple second locating slots are formed at second cavity Diapire；The drain pan fastens for first cavity and the second cavity to combine to form the host cavity with the upper casing.

7. battery pack according to claim 6, it is characterised in that it is convex that the diapire local protrusion of the upper casing is formed with Platform, the boss has the 3rd cavity communicated with first cavity；

One lead plate is installed, the lead plate is contained in the 3rd cavity on the top of the housing in the control box It is interior, and the boss is provided with electric connector.

8. battery pack according to claim 7, it is characterised in that is provided with the top of the boss with the 3rd cavity The dismounting mouth for communicating, lid sets a seal closure on the dismounting mouth, is formed with the seal closure downwardly projecting and with top Multiple locating dowels that the housing in first retainer and the control box in the battery unit offsets.

9. battery pack according to claim 8, it is characterised in that described first in battery unit described in top keeps One upper spacer is set between frame and multiple locating dowels, and multiple first locating slots are at least partly formed at the upper spacer Lower surface.

10. battery pack according to claim 9, it is characterised in that the lower surface of the upper spacer closes on the housing Side is provided with the 3rd positioning convex, and the 5th locating slot coordinated with the 3rd positioning convex is provided with the top of the housing.