KR200482382Y1 - Water blocking structure for electrical connecting apparatus - Google Patents

Water blocking structure for electrical connecting apparatus Download PDF

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Publication number
KR200482382Y1
KR200482382Y1 KR2020150007111U KR20150007111U KR200482382Y1 KR 200482382 Y1 KR200482382 Y1 KR 200482382Y1 KR 2020150007111 U KR2020150007111 U KR 2020150007111U KR 20150007111 U KR20150007111 U KR 20150007111U KR 200482382 Y1 KR200482382 Y1 KR 200482382Y1
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KR
South Korea
Prior art keywords
housing
plate
connector
moisture
drain
Prior art date
Application number
KR2020150007111U
Other languages
Korean (ko)
Inventor
한상원
Original Assignee
한국단자공업 주식회사
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Filing date
Publication date
Application filed by 한국단자공업 주식회사 filed Critical 한국단자공업 주식회사
Priority to KR2020150007111U priority Critical patent/KR200482382Y1/en
Application granted granted Critical
Publication of KR200482382Y1 publication Critical patent/KR200482382Y1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • H01M2/20—
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner

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  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

This invention relates to a moisture barrier structure for electrical connections. The present invention relates to a series connection of battery packs constituting the battery module 1 of an electric vehicle. The first housing 11 and the second housing 11 'form an outer appearance of the present invention. The first housing 11 is installed on the outer surface of one side of the battery module 1, , And the lower end extends in the gravity direction. A connector 18 is exposed at the upper end of the first housing 11 and a blocking portion 20 is provided at an upper portion of the connector 18. In the configuration of the blocking portion 20, a first blocking plate 22 protrudes from the outer surface of the first housing 11. A first drain plate 26 and a second drain plate 26 'are disposed at both ends of the first blocking plate 22 so as to face both ends of the first housing 11 in the width direction. The second shielding plate 30 protrudes more than the front end of the first shielding plate 22 at a position corresponding to the lower portion of the second shielding plate 22. [ According to the present invention as described above, the water is effectively prevented from being transmitted to the connector 18 or the like.

Description

[0001] The present invention relates to a water blocking structure for an electrical connecting apparatus,

More particularly, the present invention relates to a water blocking structure for an electrical connecting device, and more particularly, to a water blocking device for electrically connecting batteries in an automobile, Structure.

Recently, electric cars and hybrid cars are being sold. In such vehicles, batteries are used for power supply. One battery module has a plurality of battery packs, which are connected in series to form one battery module. In addition, one battery module is connected in series with another adjacent battery module to provide the desired high voltage in the vehicle.

In this way, an electrical connection device is used to connect the battery packs in series. In such an electrical connection device, bus bars are used in order to meet a high voltage, and the bus bars are disposed inside the housing according to necessity of insulation.

An electrical connection device for the battery is provided with a connector connected to the outside in order to provide status information of each battery pack. The connector is exposed to the outside of the electrical connecting device.

Such an electrical connecting device is attached to the outer surface of one side of the battery module, and it is difficult to prevent moisture from entering from the outside through the connector exposed to the outside of the electrical connecting device.

Particularly, since the electrical connecting device is installed on one side of the battery module, there is a problem that the external moisture is dropped and transmitted to the connector provided at the upper end of the electrical connecting device.

Korean Patent Publication No. 10-2014-0042538

The object of the present invention is to solve the above-mentioned problems of the prior art, and to prevent moisture from being dropped on the upper side of an electrical connecting device mounted on a side surface of a battery module of an automobile.

According to an aspect of the present invention for achieving the above object, the present invention provides a battery module, which is mounted on an outer surface of one side of a battery module, wherein an upper end of a first housing constituting an outer appearance is positioned in an upper portion in a gravity direction, And a first shield plate disposed at an upper portion of the connector exposed to the outside of the upper end of the first housing to block moisture from being transferred to the connector, And a second blocking plate disposed below the first blocking plate to transmit the moisture transferred to the front of the outer surface of the first housing, wherein at both ends of the first blocking plate, a width of the first housing, A first connection inclined portion and a second connection inclined portion are formed so as to be inclined downward toward both ends of the first connection inclined portion and the first connection plate, Obliquely extending, in the second connection portion inclined toward the other end of the first housing extends obliquely downwards second drain boards.

The inclination of the first and second connecting inclined portions is formed larger than the inclination of the first and second drain plates.

The ends of the first and second drain plates corresponding to the widthwise ends of the first housing are formed with end slopes so that moisture is guided to the end slopes.

The first and second sidewalls are formed on both sides of the connector with a first sidewall and a second sidewall extending downward from the first drain plate and the second drain plate and protruding from the outer surface of the first housing, Surface area of the second blocking plate.

And the second blocking plate projects further from the outer surface of the first housing than the front end of the first blocking plate.

And a joint block coupled to the first connection terminal portion and the second connection terminal portion located at both ends of the second blocking plate on the outer surface of the first housing and transmitting the moisture dropped on the upper surface to the front of the outer surface of the first housing .

The upper surface of the joint block is formed to be inclined downward toward the front of the outer surface of the first housing.

The following effects can be obtained in the moisture interception structure of the electrical connection device according to the present invention.

First, in the present invention, the blocking portion protrudes along the entire upper end of the electrical connecting device mounted on one side of the battery pack. Accordingly, the water falling from the periphery to the top of the electrical connecting device is blocked from being transmitted to the connector provided at the top of the electrical connecting device. Therefore, there is an effect that the connector of the electrical connecting device can be prevented from coming into contact with moisture.

Particularly, in the present invention, the blocking portion has a first drain plate and a second drain plate having downward inclination with respect to the first blocking plate on the upper portion of the connector as a reference to both ends of the housing, The water can be drained smoothly, and moisture can be discharged to the outside more easily.

Since the first sidewall and the second sidewall are disposed on both sides of the connector to block moisture transmitted from both sides of the connector, moisture from both sides of the connector can be effectively prevented from approaching the connector.

In addition, the second blocking plate is provided below the first blocking plate in the gravity direction of the connector so that moisture can be prevented from being transmitted to the opening / closing cover by the second blocking plate. The second blocking plate is prevented from being transferred to the opening / closing cover by moisture transmitted to the tip end of the first blocking plate, so that the moisture blocking effect of the electrical connecting device is improved as a whole.

The first and second connection terminal portions and the second connection terminal portions on both sides of the second blocking plate are provided with joint blocks so that the second blocking plate and the joint block can prevent the direct transfer of moisture to the lower portion of the housing Can be obtained.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an appearance of a battery module to which a preferred embodiment of a moisture barrier structure of an electrical connecting device according to the present invention is applied. FIG.
FIG. 2 is a perspective view showing the essential structure of the embodiment of the present invention. FIG.
3 is a front view showing a configuration of a main part of the embodiment of the present invention.
4 is a plan view showing a configuration of the essential part of the embodiment of the present invention.
FIG. 5 is a perspective view showing joint blocks mounted on first and second connection terminal portions of the embodiment of the present invention; FIG.
FIG. 6 is a state of use in which water is guided in this embodiment of the invention. FIG.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals whenever possible, even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the understanding why the present invention is not conceived.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) can be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

According to the drawings, the battery module 1 has a substantially flat hexahedral shape. In this specification, the configuration of the battery module 1 is schematically shown by a dotted line. A case 3 forms an outer appearance of the battery module 1 and an upper part of the case 3 forms an outer appearance of the module plate 5. [ At the front end of the module plate 5, there is formed a hook hole 7 for engaging with the electrical connecting device 10 to be described below. The module plate (5) has a plurality of reinforcing beads (9) for reinforcement.

On one side of the battery module 1, the electrical connecting device 10 of the present embodiment is provided. The electrical connecting device 10 forms an outer appearance of the two first and second housings 11 and 11 '. In the figure, only the first housing 11, which forms the front surface of the electrical connecting device 10, is visible to the outside, and only the second housing 11 'is partially visible. The first housing 11 and the second housing 11 'are coupled to each other and necessary structures are inserted therein. A plurality of bus bars for electrical connection are installed in the first housing 11 and the second housing 11 '.

A first connection terminal portion 12 and a second connection terminal portion 14 are formed on the outer surface of the first housing 11 so as to protrude from both ends in the width direction. The first and second connection terminal portions 12 and 14 are for electrical connection with the outside. That is, it is for electrical connection between adjacent battery modules 1. As shown in FIG. 5, the joint block 32 is mounted and electrically connected to the connection terminal portions 12 and 14 of the adjacent battery module 1.

A bolt terminal is protruded as a first connection terminal 13 to the first connection terminal part 12 and a bolt terminal is protruded as a second connection terminal 15 to the second connection terminal part 14. An end connection bus bar (not shown) is connected to the first connection terminal 13 and the second connection terminal 15 so as to be connected to both ends of the connection bus bars connected in series in the housings 11 and 11 ' . For reference, the connecting bus bars are connected in series to the printed circuit board, and an end connecting bus bar is connected to both ends of the connecting bus bars connected in series so that an end of the end connecting bus bar is connected to the first connecting terminal 13) and the second connection terminal (15). Here, the end connecting bus bars may be composed of a plurality of end connecting bus bars.

On the outer surface of the first housing 11, there are two open / close covers 16 and 16 '. The opening / closing covers 16 and 16 'serve to shield a portion where the end connecting bus bars are connected to each other against the outside.

On the other hand, at the upper end of the outer surface of the first housing 11, a connector 18 is provided. The connector 18 is installed in the second housing 11 'and is exposed through the first housing 11 to the outside. The connector 18 is mounted on a printed circuit board (not shown) in a space formed by the first housing 11 and the second housing 11 '. A mating connector is coupled to the connector 18 to perform signal connection with the outside of the electrical connecting device. For example, to transmit various kinds of information obtained in the battery pack 1 to the outside.

The connector 18 is exposed to the upper end of the outer surface of the first housing 11 so that the connector 18 can be exposed to moisture and moisture is transferred to the connector 18 and the opening / Let's look at the configuration for blocking things.

The upper end of the first housing 11 extends in the width direction and protrudes from the shield 20. The blocking portion 20 is formed substantially at the upper end of the first housing 11 in the entire width direction. A first blocking plate 22 is provided at an intermediate portion of the blocking portion 20, that is, at an upper portion of the connector 18. The first shielding plate 22 protrudes from the outer surface of the first housing 11 more than the connector 18. 4, the connector 18 is obscured by the first shielding plate 22. As shown in Fig. The first shielding plate 22 has an area enough to shield the upper portion of the connector 18 in a plate shape.

The first connecting inclined portion 24 and the second connecting inclined portion 24 'are inclined downward toward both ends of the first blocking plate 22, that is, both ends in the width direction of the first housing 11. 3, a first connection sloping portion 24 is slantly connected to the left side of the first cutoff plate 22 and a second connection sloped portion 24 'is formed on the right side of the second cutoff plate 22, ) Are inclinedly connected.

And extends from the first connecting inclined portion 24 to one end in the width direction of the first housing 11 so that the first drain plate 26 is inclined downwardly. And extends from the second connecting inclined portion 24 'to the other end in the width direction of the first housing 11 so that the second drain plate 26' is inclined downwardly. The degree of protrusion of the first and second drain plates 26 and 26 'from the outer surface of the first housing 11 is greater than that of the first blocking plate 22 and the first and second connecting inclined portions 24 and 24' ). Between the connecting ramps 24 and 24 'and the drain panes 26 and 26' there is a portion corresponding to the upper end of the side walls 28 and 28 ' '). The inclination of the connecting inclined portions 24 and 24 'is larger than the inclination of the drain plates 26 and 26'.

An end slope 27 is formed at each end of the first drain plate 26 and the second drain plate 26 '. The end slope 27 is inclined downward at the end of the drain panes 26 and 26 'so that water droplets flowing along the drain panes 26 and 26' are separated from the end portions of the drain panes 26 and 26 ' Let it fall easily. That is, the flow of the water droplets is guided to the side by the presence of the end inclined surface 27 of the drain pan 26, 26 '. By doing so, moisture is not transferred to the outer surface of the first housing 11 but is transmitted to both ends of the first housing 11. [

A first side wall 28 and a second side wall 28 'protrude from the connector 18 at positions corresponding to both widthwise ends of the first housing 11 in the vertical direction. The first sidewall 28 and the second sidewall 28 'extend from the first and second drainage plates 26 and 26' and are connected to the second shielding plate 30 to be described below. The first and second sidewalls 28, 28 'cooperate with the first blocking plate 22 to block moisture from being transferred to the connector 18.

A second shielding plate 30 protrudes from the outer surface of the first housing 11 below the connector 18 between the first and second connection terminal portions 12 and 14. The second blocking plate 30 is located above the opening / closing cover 16 to block moisture from being transmitted to the opening / closing cover 16 side. The second blocking plate 30 protrudes more from the outer surface of the first housing 11 than the first blocking plate 22. The second blocking plate 30 is connected to the lower ends of the first sidewall 28 and the second sidewall 28 '.

The first connection terminal portion 12 and the second connection terminal portion 14 are disposed at both ends of the second shield plate 30. Here, the joint block 32 is mounted as shown in Fig. One end of one joint block 32 is coupled to the first connection terminal portion 12 and the second connection terminal portion 14 of the connection device 10 of the adjacent battery module 1 is connected to the joint block 32 are coupled to each other. One end of another joint block 32 is coupled to the second connection terminal portion 14 and the other end of the joint block 32 is connected to the first connection terminal portion 12 of the connection device 10 in another adjacent battery module 1. [ (32) is coupled to the other end. By doing so, the battery modules 1 are connected in series.

Here, the joint block 32 is formed of a synthetic resin material in the shape of a hexahedron box and has a bus bar therein to perform an electrical connection. Since the joint block 32 is installed on the first connection terminal portion 12 and the second connection terminal portion 14 as described above, the outer surface of the first housing 11 corresponding to the lower portion of the joint block 32 It is possible to prevent the water from being transferred to the reaction chamber.

The upper surface of the joint block 32 is formed by a cover (not shown). The surface of the cover has a predetermined inclination so that moisture transferred from the blocking portion 20 flows in a specific direction . For example, the cover is inclined downward toward the front of the first housing 11 so that moisture is transferred to the front of the outer surface of the first housing 11. [

Hereinafter, the use of the moisture-blocking structure of the electrical connecting device according to the present invention having the above-described structure will be described in detail.

The electrical connecting device 10 of the present invention is mounted on the outer surface of one side of the battery module 1, and in particular, the portion where the connector 18 is provided is positioned at the upper end of the outer surface of one side of the battery module 1. That is, the first housing 11 is erected so that one end of the first housing 11 is located above the gravity direction and the other end is located below the gravity direction.

In this state, moisture can be transferred to the tip of the module plate 5. The moisture may be from the outside or the moisture in the air may be condensed on the outer surface of the module plate 5 or the first housing 11 due to a temperature difference or the like.

Such moisture may be located on the blocking portion 20, as shown in FIG. That is, on the first blocking plate 22. remind

The moisture adhered to the flat portion of the first blocking plate 22 may be on the first blocking plate 22 until a predetermined size is reached. The moisture transferred to the first blocking plate 22 may be transmitted to the tip of the first blocking plate 22 and may be dropped to the second blocking plate 30.

Then, the first connecting plate 22 and the second connecting plate 24 can be moved to the first connecting slope 24 and the second connecting slope 24 ', respectively. The moisture transferred to the first connecting ramp 24 and the second connecting ramp 24 'is transferred to the first drain pan 26 and the second drain pan 26'.

The first drain pan 26 and the second drain pan 26 'are each inclined downward toward both ends in the width direction of the first housing 11 so that the moisture is separated from the first drain pan 26 and the second drain pan 26' And flows to both ends. Moisture transferred to the ends of the first drain plate 26 and the second drain plate 26 'is easily dropped down by the presence of the end inclined surface 27.

The water dropped downward from the end inclined surface 27 is seated on the cover of the joint block 32 and guided along the inclined surface to fall down toward the front of the outer surface of the first housing 11. [ Such a flow of moisture is shown by arrows in Fig.

Moisture can also be transferred from the outside or condensed to the first side wall 28 or the second side wall 28 'because the side walls 28 and 28' extend in the gravity direction, , 28 ') is transferred to the second blocking plate (30). The moisture transferred to the second blocking plate 30 may be transmitted to the front surface of the first housing 11 from the front end of the second blocking plate 30. [ Since the lower ends of the first side wall 28 and the second side wall 28 'are connected to the inner surface area of the second blocking plate 30, the moisture flowing along the side walls 28 and 28' And is transmitted to the surface of the second blocking plate 30.

The description above is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed in this specification are intended to illustrate and not to limit the technical idea of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas which are within the scope of the same should be interpreted as being included in the scope of the present invention.

A blocking rib is formed along the tip end of the first blocking plate 22 and the drain plates 26 and 26 ', that is, in the direction protruding from the outer surface of the first housing 11, It is possible to guide the guide member 11 only to both sides in the width direction of the guide member 11. However, even if the blocking ribs are not provided at the ends of the first blocking plate 22 and the drain panes 26 and 26 ', moisture can be prevented from being directly transmitted to the connector 18 by the blocking portion 20.

The extent to which the second shielding plate 30 protrudes from the outer surface of the first housing 11 varies depending on the degree of protrusion of the opening and closing cover 16. The degree of protrusion of the first shielding plate 22 It is better to make it more prominent. This is to receive water falling from the tip of the first blocking plate 22 and to flow safely.

The first and second drain plates 26 and 26 'are connected to the joint block 32. The first and second drain plates 26 and 26' It is not necessary that the joint block 32 is used as a moisture barrier structure.

1: Battery module 3: Case
5: Module plate 7: Hook ball
9: Reinforcing bead 10: Electrical connection device.
11: first housing 11 ': second housing
12: first connection terminal part 13: first connection terminal
14: second connection terminal part 15: second connection terminal
16: opening / closing cover 16 ': opening / closing cover
18: connector 20:
22: first blocking plate 24: first connecting inclined portion
24 ': second connecting ramp 26: first drain plate
26 ': second drain plate 27: end inclined surface
28: first side wall 28 ': second side wall
30: second blocking plate 32: joint block

Claims (8)

Wherein the upper end of the first housing, which is mounted on the outer surface of one side of the battery module and constitutes the outer tube, is located above the gravity direction, and the lower end of the first housing extends in the gravity direction,
And a first blocking plate disposed at an upper portion of the connector exposed to the outside of the upper end of the first housing to block moisture from being transferred to the connector,
And a second blocking plate disposed below the first blocking plate to transmit the transferred moisture to the front of the outer surface of the first housing,
A first connecting sloped portion and a second connecting sloped portion are formed at both ends of the first blocking plate so as to be inclined downwardly toward both widthwise ends of the first housing and a second connecting sloped portion is formed at the first connecting sloped portion toward the one end of the first housing, Wherein the first drain plate extends downwardly inclined and the second drain plate extends downwardly inclined from the second connection inclined portion toward the other end of the first housing.
delete The water blocking structure according to claim 1, wherein inclination of the first and second connecting inclined portions is larger than inclination of the first and second drain plates.
The moisture interception structure of an electrical connection device according to claim 3, wherein end portions of the first and second drain plates corresponding to the widthwise ends of the first housing are formed with end slopes so that moisture is guided to the end slopes.
The connector according to claim 1, wherein a first side wall and a second side wall are formed on both sides of the connector to extend downward from the first drain plate and the second drain plate and protrude from an outer surface of the first housing, And the lower ends of the two side walls are connected to an inner surface area of the second blocking plate.
6. The structure according to claim 5, wherein the second shield plate further protrudes from the outer surface of the first housing than the tip of the first shield plate.
The connector according to any one of claims 1, 3, 4, 5, and 6, wherein a first connection terminal portion located at both ends of the second blocking plate and a second connection terminal portion located on the outer surface of the first housing, And a joint block which is respectively coupled to the terminal portions and transmits the moisture dropped on the upper surface to the front of the outer surface of the first housing.
The structure of claim 7, wherein the upper surface of the joint block is inclined downward toward the front of the outer surface of the first housing.
KR2020150007111U 2015-11-03 2015-11-03 Water blocking structure for electrical connecting apparatus KR200482382Y1 (en)

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KR2020150007111U KR200482382Y1 (en) 2015-11-03 2015-11-03 Water blocking structure for electrical connecting apparatus

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Application Number Priority Date Filing Date Title
KR2020150007111U KR200482382Y1 (en) 2015-11-03 2015-11-03 Water blocking structure for electrical connecting apparatus

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023214745A1 (en) * 2022-05-02 2023-11-09 주식회사 엘지에너지솔루션 Battery rack having a drainage structure and energy storage system including the same

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Publication number Priority date Publication date Assignee Title
JP2006140113A (en) * 2004-11-15 2006-06-01 Omron Corp Electronic apparatus
JP2008061401A (en) * 2006-08-31 2008-03-13 Yazaki Corp Waterproof cover structure of electrical connection box
KR20090011123U (en) * 2008-04-25 2009-10-29 박관우 Outlet for distribution switchboard
KR20140042538A (en) 2012-09-28 2014-04-07 한국단자공업 주식회사 Box for vehicle
JP3200568U (en) * 2015-08-10 2015-10-22 株式会社ハイマート産業 Range hood with water drop prevention mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006140113A (en) * 2004-11-15 2006-06-01 Omron Corp Electronic apparatus
JP2008061401A (en) * 2006-08-31 2008-03-13 Yazaki Corp Waterproof cover structure of electrical connection box
KR20090011123U (en) * 2008-04-25 2009-10-29 박관우 Outlet for distribution switchboard
KR20140042538A (en) 2012-09-28 2014-04-07 한국단자공업 주식회사 Box for vehicle
JP3200568U (en) * 2015-08-10 2015-10-22 株式会社ハイマート産業 Range hood with water drop prevention mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP03200568 UR

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023214745A1 (en) * 2022-05-02 2023-11-09 주식회사 엘지에너지솔루션 Battery rack having a drainage structure and energy storage system including the same

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