The present invention relates to a battery module including a housing in which the connector is installed.

[Background Art]

In general, a battery module is provided with a plurality of wires electrically connected to the secondary battery. The wires may be provided in the form generally, the connector and the wire harness (wire harness) is connected.

The connector is electrically and the electric energy generated in the battery module to be provided to the external device, and achieve the stepfather device and the electrical connection, and also, to detect the secondary battery characteristics of a battery module, the battery module manufacturing process, when the testing device It can be connected.

These connectors are required to be fixed in a stable state in the battery module.

[Detailed Description of the Invention]

[SUMMARY]

The connector comprising a housing which can be fixed firmly while minimizing the contact area on the housing of the battery module is installed to provide a battery module. [Technical Solution]

The battery module according to one aspect of the invention, the plurality and the secondary battery cell is a lower housing and, Singh received - is coupled to the cover to the group lower housing and the upper housing for covering the plurality of the second transpose cells, the lower housing and the the upper housing of the at least one connector of the female type which is detachably installed in the housing, and a wire harness electrically connected to the connector and the plurality of secondary battery cells. The foregoing connector may 2019/098653 0 1 »a plurality of terminals are arranged body (part 1 ^ 1 {2018/013843

It includes. The bottom surface of the body is at least at a distance from the outer surface of the one housing a space is formed between the at least one of the housing outer surface and the bottom surface, both side surfaces of the body may be securely fixed to the outer surface of the at least one housing .

5, the at least one housing, may be in the upper housing, the front of the bottom surface of the connector can be separated from the outer surface of the upper housing. The bottom surface of the connector, may be supported on a projection disposed on the outer surface of the upper housing, the projections can be arranged in plurality with an arbitrary interval. Strip having a pin that is inserted into the terminal he is connected to the connector 10 when, with the space is inserted into the bottom plate of the test jig, the projecting portion may be inserted into a recess arranged in the bottom plate. The projections may be achieved by two-headed.

A first side of the body, the disposed first groove portion to form a first locking step, is supported by the first locking step, the outer surface of the upper housing day 15 the first to prevent a movement of the connector to the direction It is supported on a corner portion of the engaging projection and the connector can be the second locking protrusions to prevent movement of the connector disposed on one another in one direction perpendicular to said one direction.

A second side of the body, the second groove portion can be disposed to form a second locking step in which the elastic hooks protrude from the outer surface of the upper housing coupled.

20, wherein the at least one housing is provided with a concave portion disposed between the convex portions the wire harness can be fitted in the concave portion.

[Hyogoe of the invention;

According to the embodiment, while minimizing the contact area between the connector without a separate fastening member to the housing sikilsu stably fixed.

25 according to the embodiment, the need for the check of the battery module of a space secured between the connector and the housing can be implemented to automate a test based on its insertion possible.

[Brief description of drawings]

Figure 1 is a simplified view of a battery module according to an embodiment of the present invention 30 is a perspective view.

\ ¥ 0 2019/098653 1 »(Part 1 ^ 1 {2018/013843

Heidi 2 is a perspective view of the cell assembly accommodated in the battery module shown in Figure 1,

3 The silver is an enlarged perspective view of a part III shown in Fig.

Figure 4 is a side view of the upper housing shown for illustrating the connecting portion of the connector to the upper housing in an embodiment of the present invention.

5 is in the connecting portion of the connector to the upper housing according to an embodiment of the present invention, a perspective view of parts for explaining the engaging projection of the upper housing.

6 is in the connecting portion of the connector to the upper housing according to an embodiment of the present invention, a perspective view of parts for explaining the resilient hooks of the upper housing.

7 and 8 in the connecting portion of the connector to the upper housing according to an embodiment of the present invention, a perspective view for illustrating the connector engaging the chin and grooves.

FIG strip of a connector according to a ninth embodiment of the invention neunbon a perspective view for explaining a state before he inserts.

10 is a perspective view shown for explaining the state after the inspection jig is inserted in the connector according to the embodiment of the present invention.

11 is a perspective view shown for explaining a coupling relationship between the test fixture and the upper lower portion ranging from the inspection jig is inserted in the connector according to the embodiment of the present invention.

[Mode for Carrying out the invention]

It will now be described in detail so that the invention can be easily implemented by those of ordinary skill, in which with respect to the embodiment of the present invention with reference to the accompanying drawings. The invention is not be implemented in many different forms and limited to the embodiments set forth herein.

Parts not related to the description in order to clearly describe the present invention was omitted, so as to put the same reference numerals for the same or similar elements throughout the specification.

In full disclosure, that when any part is "connected" with the rest, \ ¥ 0 2019/098653 1 »(刀 / 1012018/013843

This is assuming that if it is "directly connected to", as well as, interposed between the other element or intervening elements "also include the case that is electrically connected to ''. In addition, any portion of which components" include ", which one not excluding the other components not specifically opposed substrate which means that you can further contain other components D -

With reference to the drawings, a description will be given of an embodiment.

1 is a perspective view schematically illustrating a configuration of a battery module, Figure 2 is a perspective view showing a cell assembly accommodated in the battery module shown in FIG.

The battery module 1 according to the embodiment, as shown in Figure 1, is coupled to a cell assembly lower housing (2) and the lower housing 2 to which 100 are accommodated as shown in Figure 2 the cell assembly (100 ), an upper housing 3 to cover. The battery module 12, and can further comprise a Howe housing 2 and the first side cover 4 mitje second side cover 5 is arranged on both sides of the upper housing (3).

Cell assembly 100 has, as an aggregate of a secondary battery including a plurality of rechargeable battery cell 110, secondary cell 110 for example, may be made of cell the pouch type, a direction, such as shown in Figure 2 , 7 can be arranged along the axial direction.

Each of the secondary battery cell 110, and a lead electrode (111). Electrode lead 111 may include a positive electrode lead and negative electrode lead. Wherein each electrode lead 111, it consists of a plate shape and protrudes to the outside of the pouch exterior of each secondary battery cell 110 as shown in Figure 2. In this embodiment, the electrode leads 111 of each secondary battery cell, but can be an end portion on the basis of the axial bend to the left or right doedaga protruding in the X-axis direction. Bent electrode lead 111 to the left (or right) direction may abut with the bent electrode lead 111 to an adjacent right side of the other secondary battery cells (or left) direction. And, this way two of the electrode leads 111, abutting can be fixed through welding or the like to each other, the electrical connection between the secondary battery cell assembly 100 be achieved through them. On the other hand, the cell assembly 100, may be provided with a cartridge (not shown) for arranging a plurality of secondary battery cells 110. The cartridge as a component that is used to arrange the secondary battery cell 110, the flow 2019/098653 to hold a rechargeable battery cell 110 1 »(1 ^ 1 {2018/013843

Protection, and to be a plurality of secondary battery cells 110 are arranged guide. These cartridges, can be composed of a rectangular-ring shape with a blank central portion. In this case, the four corners of the cartridge may be located on the outer periphery of the secondary battery.

On the other hand, at least one of the lower housing 2 and upper housing 3 is provided with going connector 20 is provided information. Connector 20 in this embodiment is not intended to be part of the connector is installed in the bar, the present invention is detachably fixed to the outer surface side of the upper housing 3 is limited thereby.

Connector 20 in this embodiment is provided with a plurality of terminals (2 的) of the female type, including a body (2 加) disposed in the connector, as shown in Figure 3, the connector 20 is provided with wire one end of the harness 22 is detachably connected. The other end of the wire harness 22 can be connected to the rechargeable battery cell 110 and to be electrically connected, for example, the bus bar assembly (not shown).

3, the connector 20 is placed a certain distance (spaced from the outer surface is securely fixed to the upper housing (3) in a floating state. More specifically, the connector (20 of the upper housing 3) is the body (2 O 3), the bottom surface of maintaining the off state from the outer surface of the upper housing 3, and a body (2 O 3) combined with the upper housing 3 to which the both sides of the fixed to the upper housing 3 are Accordingly body (201 of the connector 20, 3) between the outer surface of the bottom surface and an upper housing 3 can be provided with a space 30 of a predetermined size.

Figure 4 is a side view of the upper housing shown for illustrating the connecting portion of the connector [20) of the upper housing (3). As shown, the body (2 Ah of the above connector 20 . 3) , the outer surface of the upper housing 3 corresponding to the bottom surface, and two line-type projections 3 may be arranged at random intervals. The projections 3 may be the connector 20 is, when combined in the upper housing 3, and is in close contact with the body (2%) and the bottom surface of the connector 20 supports the connector 20. The connector body (201 20 )) can form a bottom surface and an upper housing 3, the outer surface between the projections (3的) the remainder of the space (30) except. Protrusions (3的) can have a predetermined length in consideration of the binding relationship with the test jig will be described later. In the present invention the shape of the projections, arrangement, number and so on are provided is not limited to the drawings illustrated it is possible to change as appropriate according to the combination of the test jig relationship.

2019/098653 1»（：1^1{2018/013843

To neighbor the one protrusion (30幻outer surface of the upper housing 3 is provided with a first locking protrusion (32 ¾) and the second locking protrusions (34 is disposed (see Fig. 5) adjacent the other one of the projections 3 the outer surface is arranged in the elastic hook (36 a protrusion of the upper housing 3 (see Fig. 6).

Connector 20 is, when fixed to the outer surface of the upper housing 3, the first engaging projections (32 and the second locking protrusions (34 a body (2 Ah of the connector 20 3) provided on a first side of the first pawls (22 and engaged with the corner portion (2¼) of the connector 20, the resilient hook (36 neunje body (201 of the connector 20 facing against the first side )), a second locking step provided on the second side of (24 It is engaged in.

Body (201 of the connector 20. To this end, 3) a first side of a first locking step (22 is the first groove (23 provided so as to be formed (the body (2 of Fig. 7), the connector (20) Ke) of the second side, the second locking step (as consecutive second groove (25 kiln to 24 can be formed (see Fig. 8).

This connector 20 is to be fixed to the upper housing 3, a first side with a first engaging projection (32 size) of the first pawls (22 and the corner portions (2) are respectively the upper bottom Gong 3 waje and second aspects the second locking step (24 to be supported in engagement in the second locking protrusions (34 size) &) may be such that the support engages the resilient hook (36, which can move elastically. At this time, the connector (20 ) body (2 (¾) the bottom surface is to abut on only the protrusions (3. Thus, the connector 20 comprises a body (2 Ah of 3) supports the one end to the upper housing 3 and the body 20 is burnt with the other side depending on the grade as the operation of the elastic hook (36 moving with a minimum of contact area with the outer side of the upper housing (3) or fixed to the upper housing (3) contrary can be separated from the upper housing 3. the connector 20 has an upper housing It is fixed on the (3), a first locking protrusion (32 &) is for example a direction of the connector 20 Possible to prevent the height direction (axial direction) to connector 20 in the connector 20, based on the three flows, and a second locking protrusion (34 å 0 is for example connector (20 a direction perpendicular to said one direction ), the connector (20 longitudinal direction (X axis direction)) of copper can be prevented from being pseudogenes.

According to the fixing structure of the connector 20, the connector 20 may be fixedly secured reliably without the need of the machine for fixing to the upper housing (3). Further, the connector 20 has a contact area of ​​the upper housing 3 2019/098653 1 »(part 1 ^ 1 {2018/013843

Minimal yet while preventing the flow of any direction it can be secured to the upper housing (3).

On the other hand, the wire harness 22 can be fitted to the recessed portion 34 is provided between the convex portion 32 provided in the upper housing (3).

9 is a perspective view showing a before being coupled to a connector 20 according to the example when access jig 40 is needed for automated inspection condition, Figure 10 is a jig 40 is showing the state coupled to the connector 20 a perspective view.

Jig 40 is a test fixture which is connected with the device for testing an after completion of manufacture of the battery module, and electrical characteristics of the secondary battery cell, and Figures 9 and 10 is shown only for convenience jig itself.

Jig 40 has a plurality of pins (40 to be inserted into the terminal (2) of the connector (20) å 0 leave an array body (40 and the body (4 (¾) and any spacing body (4 O 3) comprises a bottom plate (40 (: connected to. the bottom plate (40 (: has a bar which recess (40 (1) having a certain length placed, a recess (40 (1) of the upper housing 30 stone may have a shape and a number corresponding to julbu (30 size). Thus, the main portion (40 (1) also as consists of line-type by the number of two arbitrary interval according to the distance between the projections 3 with the bottom plate (it can be disposed in 40.

The jig 40 has entered the space 30 between for engagement with the inspection of the secondary battery cell, the connector 20, the bottom plate (40 (: the connector 30 and the upper housing 3 thereby there is, at this time, the upper housing 3, the projections (30 å1) terminal (20 of the jig 40 is recessed (arranged to fit in 40, the jig 40 pins (40 a connector 20 of the & ) it is arranged to be fitted to.

One, so that it does not have the projections 3 of the upper housing 3 is inserted completely in the depression (40 of the jig 40 moves over came up jig 40, the jig 40, the connector (20 as shown in Fig. 11) When combined, the jig 40, too, are stably bonded to one, the connector 20 is fixed rigidly to the upper housing 3 as shown in Figure 10 allows to proceed, a check for a secondary battery cell. jigs 40 is separated from the inspection after completion of the connector (20).

Such tests required for inspection of a separate fastening member was firmly fixed, the secondary battery cells without the present embodiment, the connector of the female type on the housing

2019/098653 1»（：1^1{2018/013843

Jig and while we firmly and achieve a combined theft, can be expected to improve productivity and reduce production costs of the automated tests.

In addition, it is in transit of the battery module connector is detached from the housing to an external impact, or a defect causing the fixed state can be prevented in advance.

A preferred embodiment but will be described in detail for example the scope of the present invention of the present invention in the above is not rather various changes and modifications in the form of one of ordinary skill in the art using the basic concept of the invention as defined in the following claims is not limited thereto Furthermore, the present invention It belongs to the scope.

[Description of Symbols]

1: battery module 110: secondary battery cells

2: lower Hi-housing 3: upper housing

20: connector 22: wire harness

20 & : The terminal 2的: body

30: Space

WE Claim

A plurality of secondary battery cells are accommodated lower housing;
An upper housing coupled to cover the lower housing covering the plurality of secondary pre-cells;
The lower housing and the connector of the female type which is detachably installed in at least one housing of the upper housing; And
The connector and the plurality of secondary battery cells, and a wire harness is electrically connected to
And including,
The connector, a space is formed between comprising a plurality of terminals are disposed body and a bottom surface of the body is spaced apart from the outer surface of the at least one housing, said at least one of the housing outer surface and said bottom surface, said body positive side, the battery module fixed to the outer surface of the at least one housing.

[Claim 2]

According to claim 1,

The at least one housing, the upper housing the battery module.

[Claim 3]

3. The method of claim 2,

The entire surface of the bottom surface of the connector spaced from the outer surface of the upper housing, the battery module.

[Claim 4]

4. The method of claim 3,

The bottom surface of the connector, the battery module is supported on a projection disposed on the outer surface of the upper housing

[5.]

In the low ¼ wherein

The projections with an arbitrary interval, the battery modules are arranged in plurality.

[6.]

5. The method of claim 4 or 5,

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