Embodiment
As embodiment, these accompanying drawings have illustrated that schematically the present invention is applied to an electric device 10 that has differential protection, and this device promptly is that class device that above-mentioned French Patent (FRP) No7738649 introduced.
This electric device 10 does not belong to scope of the present invention, so, at this not to its detailed introduction.
Below only introduce in detail understanding relevant portion of the present invention.
Electric device 10 has the shell 11 that an insulating material is made, on one face 12, have through hole 13P, the 13N of input terminal 14P, the 14N turnover that supplies shell 11 inside respectively, and the through hole 15P, the 15N that supply output 16P, the 16N turnover of shell 11 inside respectively.
For making Fig. 1 more cheer and bright, in the accompanying drawing only the with dashed lines letter shown the end wherein of input 14P, 14N and lead-out terminal 16P, 16N, that represent among the figure is input 14P.
Equally, these input 14P, 14N that dot and output 16P, 16N dot in accompanying drawing 2 equally; In Fig. 2, can also be clear that the nut 17 of its lock-screw 18.
The structure of these inputs 14P, 14N and output 16P, 16N is identical, also is provided with traditional approach, does not introduce in detail at this.
In the above-described embodiment, electric device 10 is a kind of modular type electric devices.
The shape of the shell 11 of electric device 10 is generally parallelepiped-shaped, and two interareas that are parallel to each other 20, bottom surface 21, two sides 12 and end faces 22 are arranged, and they and interarea 20 are perpendicular.
In order to be fixed in any one normally on the supporting mass of standardization track (not shown), the middle part of bottom surface 21 standing fluted 23.
Two sides 12 are vertical with bottom surface 21 significantly, and one of them side is provided with for through hole 13P, the 13N of input 14P, 14N turnover and through hole 15P, the 15N that passes in and out for output 16P, 16N.
There is a boss 24 middle part of end face 22, is provided with the handle 25 that uses for the user above, and there are two little sides 26 both sides of boss 24, and they are in a horizontal level, and two little sides are basic parallel with bottom surface 21.
The little side 26 perpendicular with input 14P, 14N and output 16P, 16N has through hole 27P, 27N, 28P, the 28N that adapts with it, tightens the nut 17 of screw 18 for screw-in.
The width E of shell 11 (or being thickness) measures that interarea 20 from this interarea 20, should be the twice of the general basic module M of all modular type electric device (not shown)s, and electric device 10 can be installed on this.
At the correlation surface 12 of shell 11, refer to a side here, be provided with through hole 13P, 15P at same height, the spacing of two through hole is P, this spacing equals basic module M.
Corresponding with input 14P and output 16P, for example can be the phase place binding post.
Equally, through hole 13N also is positioned at identical height with 15N, with preceding hole be what to separate, the spacing in two holes is P, equals basic module M.
Corresponding with input 14N and output 16N, for example can be the neutral connection post.
In the practice, the same just as described, through hole 13N and 15N are offset to through hole 13P and 15P respectively, the spacing of biasing is P ', equal 1/2nd of basic module M, these through holes are parallel with the bottom surface 21 of shell 11, and through hole 13N and 15N extend between the bottom surface 21 of through hole 13P and 15P and shell 11.
For example, as what introduced, through hole 13P, 13N, 15P, 15N are rectangular opening, and through hole 27P, 27N, 28P, 28N then are circular port.
Above-mentioned setting does not belong to scope of the present invention, is not described in detail at this.
Still do not belong to the plan of establishment of the present invention according to another kind, shell 11 has a pedestal 30 that constitutes an interarea 20, one is connected securely with bottom surface 22 individually and constitutes the outer cover 31 of another interarea 20, between pedestal 30 and outer cover 31, substantially the center that is positioned at two interareas 20 is provided with an insulation board 32, it and two interareas 20 extend in parallel from a side to the another side 12, between the little side 26 of bottom surface 21 and end face 22.
In the execution mode of being introduced, between pedestal 30 and insulation board 32, be provided with terminal board 33, it has concentrated lead-out terminal 16P, 16N, and is same, between protective cover 31 and insulation board 32, is provided with terminal board 34, and it has concentrated input 14P, 14N.
Can be clear that from accompanying drawing 2 input 14P, 14N and output 16P, 16N arrange directly mutually.
According to the present invention, shell 11 is provided with a convex dividing plate 35 at the correlation surface 12 that is provided with through hole 13P, 13N, 15P, 15N, refers to a side 12 here.
In the execution mode of being introduced, this dividing plate 35 is vertical significantly with the correlation surface 12 of shell 11, and extends in parallel with the interarea 20 of shell 11.
In the execution mode of being introduced, 35 on this dividing plate extends on a part of height of the correlation surface 12 of shell 11.
In other words, measure its roots, its height H along the correlation surface 12 of shell 11 ' be far smaller than from the bottom surface 21 and measure to the height H of the correlation surface 12 of the little side 26 of shell 11 end faces.
In the execution mode of being introduced, the profile of dividing plate 35 is rectangles.
But as shown in the figure, its free angular region 36, promptly preferably circular apart from the free angular region of correlation surface 12 certain distances of shell 11, for example fillet 37.
In addition, in the execution mode of being introduced, the shape of dividing plate 35 is sheet-type normally, and from interarea 20 vertical surveies of shell 11, its thickness is E ', thinner thickness, but enough keep mechanical strength.
As shown in Figure 2,, assembled power source bus 38 for electric device 10, have the tooth 39 of equidistant P,, make it insert any one input terminal 14P, 14N or lead-out terminal 16P, 16N easily by these teeth for ease of connecting.
As shown in Figure 2, the tooth 39 of power source bus is a straight-tooth, as the broach shape.
As another embodiment, Fig. 3, these teeth are bending, and all teeth all have curved elbow 40 at same horizontal plane.No matter the tooth of power source bus is straight or crooked, and these teeth are connected in same longeron 41.
In the execution mode of Fig. 3, this longeron 41 has the overcoat 42 that an insulating material is made.
According to the present invention, dividing plate 35 is vertical with the correlation surface 12 of shell 11, and its width L ' 1 measures from input terminal 14P, 14N and lead-out terminal 16P, 16N, promptly 12 boss is measured from the side, equals the height L (measuring from longeron 41) of the tooth 39 of power source bus 38 at least.
When tooth 39 was straight-tooth, their height L and length were corresponding to.When tooth 39 was bending, their height L equaled the length of its straight end parts.
When these teeth when being straight, should determine this height L with straight line, along the length measurment of tooth 39.In other words, under any circumstance, all should pass through the mode of projection in the plane, pass longeron 41, along the height L that directly brings in definite tooth 39 of these teeth 39.
As shown in FIG., for safety, measure from the relevant surfaces 12 of shell 11, the width L ' 2 of dividing plate 35 preferably equals the height L of the tooth 39 of power source bus 38 at least.
The top 43 of dividing plate 35, be dividing plate 35 with the end face 22 of shell 11 or or rather with the little side 26 immediate horizontal edges of end face 22, with near the distance D between the top 44 of through hole 13P, the 13N of end face 22,15P, 15N ' greater than the distance D between the longeron 41 of the toggle 40 of the tooth 39 of power source bus 38 and tooth 39.
In the mode of being implemented, dividing plate 35 fuses with shell 11, and or rather, in this embodiment, dividing plate 35 and insulation board 32 fuse.
In any case, by its profile, between through hole 13P, 13N, 15P, 15N, formed obstacle with geometric format, dividing plate 35 according to the present invention has systematically stoped two teeth 39 of power source bus 38 to enter input terminal 14P and lead-out terminal 16P or input terminal 14N and lead-out terminal 16N simultaneously, and no matter the tooth 39 of power source bus 38 is straight or crooked.
Certainly, the execution mode that the present invention not only is confined to above-mentioned introduction and illustrates the present invention includes the execution mode of all conversion.
In addition, the scope of application of the present invention also not only is confined to have the electric device of differential gear, and the present invention can be used for all at the electric device that is provided with input terminal and lead-out terminal with one side.