KR101666869B1 - Power distributing apparatus - Google Patents

Abstract

The present invention relates to a power distribution device. The housing 10 is formed with a skeleton of the power distributing apparatus of the present invention in which the first slot 11 and the second slot 12 are isolated from each other and opened in the other direction. A first bus bar 60 is inserted into the first slot 11 and a second bus bar 62 is inserted into the second slot 12. A shield case 47 is provided so that at least a part of the housing 10 is inserted into the inner space and the input connector shield 50 and the first output connector shield 52 are integrally formed with the shield case 47 And the input connector shielding portion 50 is provided with an input connector 35 to supply power from the power source side. A first output connector (40) is provided in the first output connector shield (52) to supply power to the load side. The ends of the first bus bar 60 and the second bus bar 62 are respectively located in the second output coupling groove 18 opened to one side of the housing 10, The power is supplied to the load. According to the present invention, since the slots 11 and 12 are formed in the housing 10 and the bus bars 60 and 62 are inserted into the housing 10, the bus bars 60 and 62 are not deformed, So that the operation characteristics of the power distributing device can be improved.

Description

[0001] Power distributing apparatus [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power distributing apparatus, and more particularly, to a power distributing apparatus for distributing a DC power to a load side.

In a vehicle, a power distributing device is used as one unit. Recently, as electric vehicles and hybrid vehicles are commercialized, power distribution devices that distribute high voltage are widely used.

In power distribution devices that distribute high voltages, the bus bar for circuit configuration must be correctly installed in the housing. However, in general, the bus bar is injection-molded into the housing, thereby integrating the housing and the bus bar. If the number of bus bars is increased in order to insert and inject the bus bar into the housing, the mold becomes complicated.

If the number of the bus bars is minimized, the length of the bus bars becomes longer, and the bus bars are bent by the injection pressure. Such a problem causes the circuit configuration to be inadequate, and also causes a problem of coupling with a connector connected to the power distributing device.

Particularly, since pores generated in the housing at the time of injection molding generate withstanding voltage, it is difficult to secure the stability of the circuit formed in the power distributing device.

Korean Patent Publication No. 10-2011-0078990

SUMMARY OF THE INVENTION An object of the present invention is to solve the conventional problems as described above, and to enable a bus bar to accurately constitute a circuit in a power distribution device for high voltage.

Another object of the present invention is to improve the insulation of an internal circuit constituted by a bus bar.

According to an aspect of the present invention for achieving the above object, the present invention provides a portable terminal having a first slot formed to be opened to one side, a second slot opened to the other side and isolated from the first slot, A first bus bar that is installed in the first slot and constitutes a circuit, a second bus bar that is installed in the second slot and constitutes a circuit, at least a part of the housing is located in the internal space, And an output connector provided on the input connector shield to supply power, and a first output connector provided on the first output connector shield and connected to the load side, And an output connector, and a case cover is additionally provided to shield an inner space of the shield case in which the housing is located, When the interlock connector is installed and the case cover is separated from the shield case the contact of the interlock connectors are separated by an interlock unit and electrically disconnects the power supply via the input connector.

Wherein the input connector comprises an input housing and the terminal seating space formed therein includes a first input terminal, a second input terminal and an input interlock unit, wherein the first output connector constitutes an outer appearance of the output housing, A first output terminal, a second output terminal, and an output interlock unit are provided in the terminal seating space formed in the terminal accommodating space.

Wherein the first bus bar is electrically connected to the first input terminal and is connected to a terminal on the load side at one end in a second output coupling groove portion opened to one side of the housing, Terminal and the second output terminal, and is connected to the terminal on the load side by locating one end in another second output coupling groove portion opened to one side of the housing.

Wherein the housing has a fastening groove portion and a tool through hole so as to be opened to one side surface that is shielded by the shield case so that the terminal fastening hole is inserted through the fastening groove portion and the tool through hole through the inner space of the shield case, The second bus bar and the input terminals of the input connector and the output terminals of the first output connector.

The interlock connection terminal is installed in a connection terminal seating portion formed in a housing cover fixed to the case cover.

A fuse installed on one surface of the housing and electrically connected to the input connector and the first output connector is installed in the space formed in the housing cover.

The following effects can be obtained in the power distribution device according to the present invention.

In the power distribution device of the present invention, the bus bars provided in the housing are formed separately from the housing and are provided in the first slot and the second slot in the housing. Therefore, the injection pressure generated during the injection molding of the housing does not act on the bus bar, so that the bus bar can be positioned in the correct position in the correct position, thereby improving the operation performance of the power distributing device.

In the present invention, since the bus bar is assembled in the first and second slots formed in the housing, bubbles are prevented from being generated by the bus bars in the mold at the time of injection molding of the housing, so that the withstand voltage is generated inside the housing There is also an effect that can block something.

According to the present invention, since the shield case made of metal surrounds the important portion of the housing, electromagnetic shielding is ensured, and the performance of the power distributing device is reliably exhibited.

In addition, according to the present invention, if the case cover of the shield case is detached, the power supply is automatically cut off through the input connector, thereby preventing safety accidents during maintenance of the power distribution device.

1 is a perspective view showing a configuration of a preferred embodiment of a power distribution device according to the present invention;
2 is an exploded perspective view showing a configuration of an embodiment of the present invention.
3 is a perspective view showing a housing constituting an embodiment of the present invention.
4 is an exploded perspective view showing a configuration of a housing cover and an interlock connection terminal constituting an embodiment of the present invention.
FIG. 5 is a cross-sectional perspective view showing the interlock connection terminal provided on the housing cover in the embodiment of the present invention and its peripheral structure. 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 symbols as 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 difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may 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;

As shown in the drawings, the housing 10 forms the framework of the power distribution device according to the present invention. The housing 10 is made of an insulating material, and is generally made by injection molding a synthetic resin. The housing 10 is of a substantially hexahedral shape, as shown in Figures 2 and 3, but need not necessarily. A first slot 11 is formed to be opened to the side of the housing 10 and a second slot 12 is formed to open to the other side. A first bus bar 60 to be described later is inserted into the first slot 11 and a second bus bar 62 to be described later is seated in the second slot 12. Therefore, the shapes of the first slot 11 and the second slot 12 are made to correspond to the shapes of the first bus bar 60 and the second bus bar 62. The first slot 12 and the second slot 14 are not in communication with each other in the housing 10. Thus, the insulation between the first bus bar 60 and the second bus bar 62 is ensured.

The input coupling groove 13 and 13 'are formed on the outer surface of the housing 10 in which the first slot 11 is formed. The input fastening groove portions 13 and 13 'are portions to which a fastening nut 64 to be described below is seated and a terminal and a bus bar are coupled by a terminal fastening member 66. The input coupling groove 13 is open to the upper portion of the housing 10 in the drawing. A tool through hole 14 is formed so that the input fastening groove 13 'can be seen from above the housing 10 in the drawing. The terminal fastening member 66 can be inserted into the input fastening groove 13 'through the tool through hole 14 and can be fastened or unscrewed with a tool.

A first output coupling groove 15 is formed in a side surface of the housing 10 on the side where the second slot 12 is opened. The first output coupling groove 15 is also open to the upper part of the figure of the housing 10. The first output coupling groove 15 'is opened on the outer surface of the housing 10 adjacent to the second slot 12 as shown in FIG. A terminal fastening hole 66 is inserted into the first output fastening and depressing groove portion 15 'through a tool through hole 16 opened to the upper portion of the housing 10 in the figure and is tightened and loosened by a tool.

A second output coupling groove 18 is formed in the outer surface of the housing 10 so as to be opened opposite to the side where the tool through holes 14 and 16 are formed. A fastening nut 64 is also inserted into the second output coupling groove 18 so that the bus bar 60 and the external terminal are fastened by the terminal fastener 66.

A housing cover 20 is provided so as to cover an upper portion of the housing 10, that is, a side where the tool through holes 14 and 16 are opened. The housing cover 20 is formed with a space portion 22 therein, as shown in FIG. In the space 22, a fuse 68, which will be described later, is disposed in the housing 10.

A projection 23 protrudes from one side of the housing cover 20. And a connection terminal seating portion 24 is formed to be opened to the side surface of the protrusion 23. The connection terminal seating portion 24 has a space for the interlock connection terminal 30 to be described below. The connection terminal seating portion 24 has two protruding bars 25 therein. A fixing protrusion 26 protrudes from the inner surface of the connection terminal seating portion 24 between the protruding bars 25. A guide surface (not shown) is formed on the fixing protrusion 26 so as to be inclined toward the entrance of the connection terminal seating portion 24.

A connection slot 28 is formed adjacent to the protruding bar 25 and the connection terminal seating portion 24 is opened to face the outer surface of one side of the housing 10. The contact portion 33 of the interlock connection terminal 30, which will be described below, protrudes through the communication slot 28. [

The interlock connection terminal 30 is seated on the connection terminal seating portion 24. The interlock connection terminal 30 is well shown in FIG. 2. The connection terminal body 31 is formed of a leaf spring. A fixing groove 32 is formed at the center of the connection terminal body 31. The fixing protrusion 26 is positioned in the fixing groove 32 so that the interlock connection terminal 30 is fixed to the connection terminal seating portion 24. [ At both ends of the connection terminal body 31, a contact portion 33 is formed. The contact portion 33 is resilient and comes into electrical contact with the input interlock unit 39 and the output interlock unit 45, which will be described below.

The housing cover 20 in which the interlock connection terminal 30 is installed is press-fitted into the case cover 56 to be described later and is integrally operated. That is, when the case cover 56 is fastened to and detached from the shelf case 47 to be described below, the housing cover 20 is moved together with the case cover 56.

An input connector 35 is provided on the side of the input coupling grooves 13, 13 'of the housing 10. The input connector 35 forms a skeleton of the input housing 37. The input housing 37 is made of an insulating synthetic resin. A plurality of terminal seating spaces 37 'are formed in the front and rear of the input housing 37. In this embodiment, three terminal seating spaces 37 'are formed. A first input terminal 38, a second input terminal 38 'and an input interlock unit 39 are provided in the terminal seating space 37'. The first input terminal 38 and the second input terminal 38 'are coupled to terminals of a connector connected to a power source.

The input interlock unit 39 is used to prevent a spark from occurring when the mating connector is coupled to and disconnected from the input connector 35. The input interlock unit 39 is disconnected faster than the input terminals 38 and 38 'are separated from the terminals of the mating connector and the input terminals 38 and 38' And then joined. The interlock unit 39 is coupled to and disconnected from the interlock unit of the mating connector, so that power is applied and removed to prevent the occurrence of sparks due to the high voltage.

A first output connector (40) is provided on the opposite side of the housing (10) on which the input connector (35) is mounted. The output housing (42) forms the skeleton of the first output connector (40). A plurality of terminal seating spaces 42 'are formed through the output housing 42 in the forward and backward directions. A first output terminal 43, a second output terminal 43 'and an output interlock unit 45 are provided in the terminal seating space 42'.

The shield case 47 is made of metal. Generally, the shelf case 47 is made through die casting. The shield case 47 serves to shield electromagnetic waves. The case body (48) forms a skeleton and an outer appearance of the shield case (47). An inner space 48 'is formed in the case body 48 so as to penetrate up and down. The upper half of the housing 10 is located in the inner space 48 '. A plurality of body fastening holes 48 '' are formed to be opened to the inner space 48 'of the case body 48. The body fastening holes 48' are formed with cover fastening holes 59, Respectively. A seal groove (not shown) is formed along the edge of the case body 48 corresponding to the inlet of the inner space 48 'to seat the first seal 54, which will be described below.

On the outer surface of the shield case 47, there are a plurality of mounting brackets 49. The mounting bracket 49 is formed with a fastening hole 49 'to mount the entire power distributing device on the fixed portion of the vehicle.

The case body 48 is formed with an input connector shield 50 and an output connector shield 52, respectively. The input connector shield 50 surrounds the outer surface of the input connector 45 and the output connector shield 52 surrounds the outer surface of the output connector 40.

A first seal 54 is formed to surround the upper side inlet edge of the inner space 48 'of the shield case 47 and functions as a watertight seal with the case cover 56 to be described below. A seal (not shown) is provided between the lower side inlet of the inner space 48 'of the shield case 47 and the outer surface of the housing 10 to provide a watertight function.

A case cover 56 is used to shield the inner space 48 'of the shield case 47 from the outside. The case cover 56 has a shape corresponding to the shape of the inlet of the inner space 48 'and is made of the same material. A fastening hole 58 is formed in the case cover 56 at a position corresponding to the body fastening hole 48. The fastening hole 58 passes through the cover fastening hole 59, The case cover 56 is attached to the shield case 47 by being fastened to the shield case 48 ".

Meanwhile, a first bus bar 60 is installed in the first slot 11 of the housing 10. The first bus bar 60 is made of a conductive metal material and is electrically connected to the first input terminal 38 of the input connector 35. The first bus bar 60 is also located in one of the second output coupling grooves 18 of the housing 10 and is electrically connected to the outside.

A second bus bar (62) is installed in the second slot (12) of the housing (10). One end of the second bus bar 62 is electrically connected to the second input terminal 38 'of the input connector 35 and the other end of the second bus bar 62 is connected to the second output terminal 43' Respectively. The other end of the second bus bar 62 is installed in the other of the second output coupling recesses 18 of the housing 10.

In order to connect the bus bars 60 and 62 to the external terminals at the input terminals 38 and 38 ', the output terminals 43 and 43' and the second output coupling groove 18, ) Is used. The coupling nut 64 is installed in each of the first input coupling groove portion 14 and the second output coupling groove portion 15 and the second output coupling groove portion 18 and the bus bar 60 62, and terminals 38, 38 '(43, 43') are fastened.

A fuse 68 is installed in the upper part of the housing 10 in the space 22 of the housing cover 20. The legs 69 of the fuse 68 are fastened to the first input terminal 38 and the first bus bar 60 at one side by fastening the terminal fastener 66 to the fastening nut 64, And the other end is fastened to the first output terminal 43.

Hereinafter, the power distributing apparatus according to the present invention having the above-described structure will be assembled and used.

Once the various components constituting the power distributing device have been formed, the fastening nuts 64 are inserted and fixed to the fastening recesses 13, 13 ', 15', 15 ', and 18 of the housing 10 . The fastening nut 64 may be inserted before the housing 10 is manufactured. Next, the first bus bar 60 is inserted into the first slot 11, and the second bus bar 62 is inserted into the second slot 12.

 After the first bus bar 60 and the second bus bar 62 are mounted on the housing 10, the shield case 47 is mounted on the housing 10. The upper half of the housing 10 is inserted into the inner space 48 'of the shield case 47.

Next, the input connector 35 is inserted into the input connector shield 50 of the shield case 47, and the first output connector 40 is inserted into the output connector shield 52. When the first connector 35 and the second connector 40 are mounted on the housing 10, the first input terminal 38 and the first bus bar 60 can be engaged with each other . That is, the through holes (not shown) formed in the first input terminal 38 and the through holes (not shown) formed in the first bus bar 60 coincide with each other, .

A through hole of the second input terminal 38 'and a corresponding through hole of the second bus bar 62 are formed in the input fastening groove 13' so that the terminal fastener 66 is inserted into the tool through hole 14 ' So as to be fastened to the fastening nut 64. The through hole of the first output terminal 43 of the first output connector 40 is located in the first output coupling groove 15 and the through hole of the second output terminal 43 ' (15 '). Accordingly, the terminal fastener 66 is inserted through the tool through-hole 16 for fastening the second output terminal 43 'and the second bus bar 62, So that it is fastened to the one that is located in the output engagement groove 15 '.

Next, the fuse 68 is positioned on the outer surface of the housing 10 corresponding to the inner space 48 'of the shield case 47. One of the legs 69 of the fuse 68 is located in the input coupling groove 13 where the first input terminal 38 and the first bus bar 60 are together and is connected to the fuse 68 by using a terminal fastener 66 Respectively. The other one of the legs 69 of the fuse 68 is positioned in the first output coupling groove 15 with the first output terminal 43 and is fastened to the terminal fastener 66 with each other.

After the fuse 68 is installed, the case cover 56 is attached to the shield case 47. The case cover (56) is provided with the housing cover (20). The housing cover 20 is provided with the connection terminal 30 and the contact portions 33 on both sides of the connection terminal 30 protrude through the communication slot 28 of the housing cover 20, (23) and the outer surface of one side of the housing (10). A terminal of the input interlock unit 39 and a terminal of the output interlock unit 45 are located on the outer surface of the housing 10 to which the contact portion 33 is closely contacted . Accordingly, when the connection terminal 30 does not contact the terminals of the interlock units 39 and 45, the power supply through the input connector 35 is interrupted.

The power distributing device assembled in this way has a configuration as shown in Fig. Here, the mating connector is coupled to the input connector 35 and the first output connector 40, respectively, and the mating terminal is fastened to the second output coupling recessed portion 18 by the terminal fastener 66.

Therefore, the power input through the input connector 35 side is transmitted to the predetermined load through the first output connector 40 side, and the first bus bar 60 And the second bus bar 62 to another load.

The foregoing description 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. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope 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 within the scope of equivalents should be construed as falling within the scope of the present invention.

For reference, the fuse 68 may not be used depending on the type of the load to which the first output connector 40 is connected.

In the illustrated embodiment, the case cover 56 covers the inner space 48 'of the shield case 47. The case cover 56 constitutes a part of the shield case 47 I will look.

10: housing 11: first slot
12: second slot 13, 13 ': input fastening groove
14: Tool through hole 15, 15 ': First output coupling groove
16: tool through hole 18: second output fastening groove
20: housing cover 22:
23: protruding portion 24: connecting terminal fitting portion
25: protruding bar 26: fixing protrusion
28: communication slot 30: interlock connection terminal
31: Connection terminal body 32: Fixing groove
33: contact portion 35: input connector
37: input housing 37 ': terminal seating space
38: first input terminal 38 ': second input terminal
39: input interlock unit 40: first output connector
42: output housing 43: first output terminal
43 ': second output terminal 45: output interlock unit
47: shield case 48: case body
48 ': Internal space 48'': Body fastening hole
49: mounting bracket 49 ': fastening hole
50: input connector shield 52: first output connector shield
54: first seal 56: case cover
58: fastening hole 60: first bus bar
62: second bus bar 64: fastening nut
66: Terminal fastener 68: Fuse
69: Leg

Claims (7)

A housing having a first slot formed to be opened to one side and opened to the other side and a second slot isolated from the first slot to be opened to the other side;
A first bus bar provided in the first slot to constitute a circuit,
A second bus bar provided in the second slot and constituting a circuit,
At least a part of the housing being located in the inner space and having an input connector shield and a first output connector shield, the shield case being made of metal,
An input connector installed in the input connector shield to supply power,
And a first output connector provided on the first output connector shield and connected to a load side,
A case cover is additionally provided to shield an inner space of the shield case in which the housing is located. When the case cover is detached from the shield case, an interlock connection terminal is provided on the case cover, And the contact portion is electrically separated from the interlock unit to cut off the power supply through the input connector.
The connector according to claim 1, wherein the input connector comprises an input housing and the terminal seating space includes an input interlock unit, a first input terminal, a second input terminal, and an output interlock unit, And a first output terminal, a second output terminal, and an output interlock unit are provided in the terminal seating space formed therein.
[3] The apparatus of claim 2, wherein the first bus bar is electrically connected to the first input terminal and is connected to a terminal on the load side by locating one end in a second output coupling groove portion opened to one side of the housing, Wherein the bar is electrically connected to the second input terminal and the second output terminal, and the other end is connected to another terminal of the load by a second output coupling groove portion opened to one side of the housing.
2. The shield case according to claim 1, wherein the housing is provided with a fastening groove portion and a tool through hole so as to be opened to one side surface shielded by the shield case so that the terminal fastening hole is inserted through the fastening groove portion and the tool through- The first bus bar, the second bus bar and the input terminals of the input connector and the output terminals of the first output connector.
delete The power distribution apparatus according to any one of claims 1 to 4, wherein the interlock connection terminal is installed in a connection terminal seating portion formed in a housing cover fixed to the case cover.
The power distributor as claimed in claim 6, wherein a fuse is provided in a space formed in the housing cover, the fuse being installed on one surface of the housing and electrically connected to the input connector and the first output connector.

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