JP2015176844A - Insulation protection member for automatic input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insulation protection member for an automatic input device capable of improving the durable insulation performance of the automatic input device with space-saving.SOLUTION: An insulation protection member is held between an automatic input device 10 for a breaker and a substrate 50 on which this automatic input device is mounted. Around the insulation protection member, an insulation wall part 19 is formed standing along the outer periphery of the automatic input device 10, and the central part forms a recess 20 in which the automatic input device 10 is housed. As a result, a new installation space for the insulation protection member is almost not required.

Description

  The present invention relates to an insulation protection member for an automatic loading device for a breaker.

  The breaker is a device that trips when an overcurrent or leakage current is detected, and shuts off the circuit. In the breaker, an automatic closing device (Patent Document 1) for returning the circuit by moving the tripped handle to the ON position may be arranged adjacently to enable automatic closing or remote operation.

  Such an automatic input device has a withstand voltage performance that satisfies the general use conditions, but when used in disaster prevention radio, etc., it will not break even if it receives high voltage due to lightning strikes etc. at the time of disaster Therefore, higher withstand voltage performance is required.

  In order to provide a higher withstand voltage performance using a generally used automatic loading device, as shown in FIG. 1, between the automatic loading device 1 and a substrate 2 to which the automatic loading device 1 is attached, An insulating plate 4 having an area larger than the installation area of the automatic charging device 1 and having a leg portion 3 is attached, and the insulation distance between the substrate 2 as a grounding portion and the automatic charging device 1 as a charging portion is increased. It is possible to do.

  However, if the structure as shown in FIG. 1 is used, the installation area of the automatic loading apparatus 1 increases, the mounting height of the automatic loading apparatus 1 from the substrate 2 increases, and the board for storing the automatic loading apparatus 1 becomes larger. There was a problem that. Further, there is a problem that the assembling workability is deteriorated, for example, it is necessary to screw the automatic loading device 1 to the insulating plate 4.

JP 2008-262862 A

  Accordingly, an object of the present invention is to solve the above-mentioned conventional problems and to provide an insulation protection member for an automatic loading apparatus that can improve the insulation resistance performance of the automatic loading apparatus in a small space.

  The present invention made to solve the above problems is an insulating protective member sandwiched between an automatic loading device for a breaker and a substrate to which the automatic loading device is attached, and has an outer periphery around the automatic loading device. Insulating wall portions are formed so as to stand along the central portion, and the central portion is a concave portion in which the automatic charging device is accommodated.

  As in claim 2, it is preferable to have a structure in which a locking portion with an automatic feeding device is integrally formed on a part of the insulating wall portion. According to a third aspect of the present invention, the fixing portions for fixing the insulating protection member to the substrate are formed on the upper and lower insulating wall portions, and the upper and lower insulating wall portions are formed lower than the terminal seats of the breaker, It is preferable that the insulating wall portion has a structure formed higher than the terminal seat of the breaker.

  The insulation protection member of the present invention is sandwiched between an automatic loading device for a breaker and a substrate on which the automatic loading device is mounted, and is an insulation that rises along the outer periphery of the automatic loading device formed around the insulating protective member. An insulation distance can be secured by the wall portion. For this reason, almost no new installation space for the insulation protection member is required, and the insulation resistance performance of the automatic loading device can be improved in a small space.

  If it is set as the structure which integrally formed the latching | locking part with an automatic injection | throwing apparatus in a part of insulation wall part like Claim 2, without using an other member and a tool, an automatic injection | throwing-in apparatus will be carried out. It can be attached to an insulation protection member.

  According to a third aspect of the present invention, the fixing portion for fixing the insulating protection member to the substrate is formed on the upper and lower insulating wall portions, and the upper and lower insulating wall portions are formed lower than the terminal seat of the breaker, so The wall was formed higher than the breaker terminal. The automatic loading device is vertically long, and in the vertical direction, the distance from the terminal seat of the breaker, which is a charging unit, can be secured, so that the height of the insulating wall can be reduced and the wiring is not obstructed. In addition, since the left and right insulating wall portions orthogonal to this height are increased to ensure the insulation distance, the withstand voltage performance can be enhanced without increasing the width of the insulating wall portion.

It is a perspective view which shows the insulation attachment structure of the conventional automatic insertion apparatus. It is a disassembled perspective view which shows embodiment of this invention. It is a front view which shows embodiment of this invention. It is a perspective view of the coupling | bond part before coupling | bonding. It is a perspective view of the joined part after joining. It is sectional drawing which shows the drawing-out state of an alarm lead wire. It is a perspective view of the latching | locking part before latching. It is a perspective view of the latching | locking part after latching. It is a perspective view which shows the state which assembled | attached the insulation protection member to the automatic injection | throwing-in apparatus. It is a front view which shows the state which assembled | attached the insulation protection member to the automatic injection | throwing-in apparatus. It is sectional drawing which shows the state which assembled | attached the insulation protection member to the automatic injection | throwing-in apparatus.

Embodiments of the present invention will be described below.
In FIG. 2, reference numeral 10 denotes an automatic charging device, in which a breaker 12 and an automatic charging device main body 13 are mounted on a common mounting plate 11. The automatic closing device main body 13 includes an operation lever 14 and has a function of moving the handle 15 of the breaker 12 from the trip position to the on position and re-inserting the breaker 12 when the breaker 12 trips due to lightning current or the like. The entire automatic loading apparatus 10 has a vertically long shape.

  As shown in FIG. 2, fixing portions 16 are formed at the upper and lower ends of the mounting plate 11. The fixed portion 16 includes a thin plate portion 16a whose plate thickness is thinner than the surroundings, and a through portion 16b through which an end portion passes. The mounting plate 11 can be fixed to the substrate 50 (see FIG. 11) by passing a screw through the through portion 16b and supporting the screw with the thin plate portion 16a. However, in this embodiment, the mounting plate 11 is not directly screwed, but is supported by an insulating protection member as will be described later. An output hole 17 is formed on the side surface of the mounting plate 11 and an alarm lead wire 18 is output. This alarm lead wire 18 is for operating an external alarm buzzer, an alarm lamp, etc. when an abnormality occurs.

  The insulation protection member of the present invention is sandwiched between the automatic loading device 10 and the substrate 50 to which the automatic loading device 10 is attached, and increases the insulation distance between the charging portion of the automatic loading device 10 and the ground. It improves the insulation performance. As shown in FIGS. 2 and 3, the shape thereof is a vertically long rectangular shape surrounding the automatic feeding device 10. Specifically, an insulating wall portion 19 that rises along the outer periphery of the automatic charging device 10 is formed in the periphery, and a vertically long concave portion 20 in which the automatic charging device 10 is accommodated at the center. By adopting such a structure, the insulation resistance can be improved without greatly changing the installation area and the installation height of the automatic loading device 10.

  As shown in FIGS. 2 and 3, in this embodiment, the insulating protection member is divided into an upper member 21 and a lower member 22, and is joined by joint portions 23 and 24 integrally formed on the side insulating wall portion 19. Are connected to each other. The upper member 21 and the lower member 22 have the same shape and can be molded with the same mold. Further, as shown in FIG. 2, the upper member 21 and the lower member 22 are combined behind the automatic loading device 10 and connected by the connecting portions 23 and 24, so that there is no need for a tool or a separate member. It can be assembled.

  Details of the structure of the coupling portions 23 and 24 are shown in FIGS. The coupling portion 23 includes a step portion 25 that swells outward from the edge wall portion 19, and a flat plate-like convex guide portion 26 is formed on the upper end portion thereof. On the other hand, the coupling portion 24 is formed with a concave guide portion 27 slidably inserted into the convex guide portion 26. An inward claw portion 28 is formed at the base of the coupling portion 23, and an outward claw portion 29 is formed at the tip of the coupling portion 24. Therefore, as shown in FIG. 5, when the concave guide portion 27 is fitted into the convex guide portion 26 and slid while being pushed in, the claw portions 28 and 29 are engaged with each other and do not come off in the sliding direction. Furthermore, by adopting a structure in which the concave guide portion 27 is fitted to the convex guide portion 26, the upper member 21 and the lower member 22 are prevented from moving in the left-right direction. For example, the insulation protection member may be deformed by heat from the charging unit, but the above structure prevents the claws 28 and 29 from being disengaged from each other due to the deformation.

  Since the claw portions 28 and 29 are formed in the vicinity of the end face of the insulating wall portion 19 and the convex guide portion 26 is also formed only at a part of the step portion 25, in the coupled state as shown in FIG. Further, an outlet 30 is formed inside the stepped portion 25, and the alarm lead 18 can be pulled out from the outlet 30 as shown in FIG. Moreover, the position of the outlet 30 is provided at a position different in the coupling direction with respect to the outlet hole 17 of the alarm lead wire 18 of the automatic loading device 10. As a result, as shown in FIG. 6, an insulation distance is secured between the outlet hole 17 on the side surface of the mounting plate 11 and the outlet 30.

  As shown in FIG. 3, the upper member 21 and the lower member 22 are configured such that the mating portion 31 is in close contact with each other, but a space portion 32 is formed in the central portion. The space portion 32 absorbs a molding error and prevents friction at the time of coupling so that the coupling can be performed smoothly. The position of the mating portion 31 is provided at a position different in the coupling direction with respect to the outgoing hole portion 17 of the alarm lead wire 18 of the automatic loading device 10. As a result, as shown in FIG. 11, an insulation distance is secured between the outgoing hole 17 on the side surface of the mounting plate 11 and the mating portion 31.

  As shown in FIGS. 2 and 3, the upper and lower insulating wall portions 19 of the upper member 21 and the lower member 22 are integrally formed with a locking portion 33 for the automatic loading device 10. The details are as shown in FIGS. 7 and 8, and the locking portion 33 is formed so as to protrude in parallel with the fixing portion 16 of the mounting plate 11 described above. For this reason, as shown in FIG. 8, the latching | locking part 33 fits in the fixing | fixed part 16 of the mounting plate 11, and the mounting plate 11 and the upper side member 21 of the automatic loading apparatus 10 are latched. As a result, the automatic charging device 10 is fixed so as not to move in the vertical direction. Further, the locking portion 33 is formed with a protrusion 34 that engages with the inner portion of the through portion 16b formed in the fixing portion 16 of the mounting plate 11, and two rising walls 35 that abut against both side walls of the thin plate portion 16a. The protrusion 34 and the rising wall 35 reinforce the locking portion 33 and at the same time have a role of preventing the automatic loading device 10 from moving in the left-right direction. As shown in FIG. 8, the projection 34 is also locked to the mounting plate 11 at the same time. The same applies to the lower member 22. Note that the locking portion 33 may be locked to a portion other than the fixing portion 16 in the mounting plate 11.

  With such a structure, the coupling portions 23 and 24 are coupled to each other simply by sliding the upper member 21 and the lower member 22, and at the same time, the locking portion 33 is slid and locked to the fixing portion 16. Thus, it is possible to mount the automatic feeding device 10 without using a tool and without requiring a mounting member such as a screw. For this reason, in the operation | work which couple | bonds a division member, the automatic insertion apparatus 10 can be attached to the insulation protection member simultaneously, and workability | operativity can be aimed at. Further, since it is not necessary to screw the automatic loading device 10 to the bottom surface 37 of the insulation protection member, it is not necessary to increase the strength of the bottom surface 37, the thickness of the bottom surface 37 can be suppressed, and the insulation protection member can be formed low.

  A U-shaped fixing portion 36 for fixing the insulating protection member to the substrate 50 is provided at a position outside the locking portion 33 of the insulating wall portion 19. It can be fixed by. The fixing portion 36 is formed at the vertical position of the automatic loading device 10.

  FIGS. 9 to 11 show the state in which the insulating protective member is assembled to the automatic charging device 10. An insulating wall 19 stands on the outer periphery of the automatic loading device 10, and the insulating wall 19 extends the insulation distance between the automatic loading device 10 and the substrate 50 serving as a ground, so that the size of the panel is increased. Insulation resistance of the automatic charging device 10 can be improved.

  As shown in FIG. 9, the upper and lower insulating wall portions 19 are formed lower than the terminal seat of the breaker 12, and the left and right insulating wall portions 19 are formed higher than the terminal seat of the breaker 12. It is not preferable to make the upper and lower insulating wall portions 19 high for the convenience of wiring to the terminal seat of the breaker 12. Therefore, in this embodiment, the height of the upper and lower insulating wall portions 19 is set lower than the terminal seat of the breaker 12, and the insulating partition wall 19 orthogonal thereto is set higher than the terminal seat.

  As described above, when the height of the upper and lower insulating wall portions 19 is lowered, the insulation distance is reduced. As described above, the fixing portion 36 is formed on the upper and lower insulating partition walls 19 to increase the vertical distance of the insulating protection member. Therefore, the insulation distance is secured. Therefore, the withstand voltage performance can be improved without interfering with the wiring and without increasing the width.

  As described above, according to the present invention, it is possible to improve the insulation resistance of the automatic loading device in a small space without increasing the mounting space.

DESCRIPTION OF SYMBOLS 1 Automatic loading apparatus 2 Board | substrate 3 Leg part 4 Insulation board 10 Automatic loading apparatus 11 Mounting plate 12 Breaker 13 Automatic loading apparatus main body 14 Operation lever 15 Handle 16 Fixing part 16a Thin plate part 16b Through part 17 Outgoing hole part 18 Alarm lead wire 19 Insulating wall 20 Recess 21 Upper member 22 Lower member 23 Coupling part 24 Coupling part 25 Step part 26 Convex guide part 27 Concave guide part 28 Inward claw part 29 Outward claw part 30 Exit 31 Matching part 32 Space Part 33 Locking part 34 Projection 35 Rising wall 36 U-shaped fixing part 37 Bottom face 50 Substrate

Claims (3)

  An insulating protective member that is sandwiched between the automatic loading device of the breaker and the substrate to which the automatic loading device is mounted, and an insulating wall portion that rises along the outer periphery of the automatic loading device is formed around the central portion. An insulating protective member for an automatic charging device, wherein the concave portion is configured to accommodate the automatic charging device.   The insulating protection member for an automatic charging device according to claim 1, wherein a locking portion with the automatic charging device is integrally formed on a part of the insulating wall portion.   A fixing portion for fixing the insulating protection member to the substrate is formed on the upper and lower insulating wall portions, the upper and lower insulating wall portions are formed lower than the breaker terminal seat, and the left and right insulating wall portions are the breaker terminal seats. The insulating protective member for an automatic charging apparatus according to claim 2, wherein the insulating protective member is formed higher than the upper limit.

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