JP7019516B2 - Conversion adapter - Google Patents

Description

The present invention relates to a conversion adapter.

Conventionally, the control of a railroad crossing breaker in a railway is performed by using various relays. These relays are attached to a jack plate (for example, see Patent Document 1) installed in an instrument box installed beside a railroad track.

Japanese Unexamined Patent Publication No. 2000-113786

By the way, many of the above jack plates are installed in the limited space in the equipment box. For example, when one relay is to be replaced with another relay, the jack plates to which each relay is attached are different. However, there is a problem that the wiring connected to the jack plate must be changed along with the replacement of the relay, which reduces the work efficiency.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a conversion adapter capable of improving work efficiency when replacing one relay with another.

In order to solve the above problems, the present invention
It is a conversion adapter that is detachably attached to the first jack plate on which the first terminal insertion port for connecting the terminal of the first relay is arranged.
A second terminal outlet having a structure different from that of the first terminal outlet for connecting the terminal of the second relay is arranged on one surface, and wiring corresponding to the second terminal outlet is provided on the other surface. The second jack plate on which the terminal pieces for connection are arranged, and
An insertion terminal that is electrically connected to the terminal piece of the second jack plate and is inserted into the first terminal insertion port of the first jack plate.
It is characterized by having.

According to this configuration, the first relay attached to the first jack plate is removed, the conversion adapter is attached to the first jack plate, and then the second relay is attached to the second jack plate arranged on the conversion adapter. Thereby, the first relay can be replaced with the second relay.
Therefore, when replacing the first relay with the second relay, it is not necessary to change the first jack plate, so that it is possible to save the trouble of changing the wiring connected to the first jack plate and to replace the first relay. It is possible to improve the work efficiency when replacing with the second relay. In addition, by eliminating the trouble of changing the wiring connected to the first jack plate, there is no risk of erroneous wiring or wiring omission, so the risk of failure associated with replacing the first relay with the second relay is reduced. be able to.

Preferably, the second relay is composed of a plurality of relays of different types from each other.
The second jack plate is composed of a plurality of jack plates corresponding to each of the plurality of relays.
The insertion terminal may be electrically connected to each terminal piece of the plurality of jack plates and may be configured to be inserted into the first terminal insertion port of the first jack plate.

According to this configuration, when the first relay is replaced with the second relay, a plurality of relays of different types, which are the second relays, can be aggregated on the first jack plate via a conversion adapter. Therefore, space can be saved.

Further, preferably, a screw receiving member that can be attached to the first jack plate is further provided.
The screw receiving member is
A female screw that receives the fixing stud used when fixing the adapter body to the first jack plate, and
Equipped with a tubular part,
It is attached to the first jack plate by fitting the cylindrical portion to the rod-shaped portion formed with the female screw for receiving the fixing stud used when fixing the first relay to the first jack plate. It should be configured as follows.

According to this configuration, the arrangement position of the fixing stud used when fixing the first relay to the first jack plate and the arrangement of the fixing stud used when fixing the adapter main body to the first jack plate. Even when the positions are different from each other, the adapter main body can be suitably fixed to the first jack plate by using the screw receiving member.
Further, by fitting the tubular portion of the screw receiving member to the rod-shaped portion of the first jack plate, positioning when the screw receiving member is mounted on the first jack plate can be performed, so that the first jack plate can be positioned. The screw receiving member can be easily mounted at an appropriate position.

Further, it is preferable that the adapter main body is configured so that an arrangement surface for arranging a plurality of relays as the second relay is formed in a stepped manner.

According to this configuration, it is possible to suppress the variation in the front end surface of each relay mounted on the adapter main body, so that the maintainability of each relay can be improved.

Further, preferably, the first relay is a non-digital time element relay.
The plurality of relays as the second relay may be configured as a digital time element relay and a reaction relay that operates in imitation of the digital hourly element relay.

According to this configuration, when a non-digital hourly relay is replaced with a digital hourly relay, a reaction relay that operates in imitation of the digital hourly relay is also mounted, so that the replaced digital hourly relay is also mounted. It is possible to prevent contact welding due to lightning surges and the like.
Therefore, even in an external line mixed circuit that is easily affected by a lightning surge or the like, the non-digital hourly relay can be replaced with a digital hourly relay.

Further, it is preferable that a predetermined terminal is provided on the side of the arrangement surface of the second relay.

According to this configuration, it is possible to improve the work efficiency when electrically connecting to an external device via a predetermined terminal.

According to the present invention, the first relay attached to the first jack plate is removed, the conversion adapter is attached to the first jack plate, and then the second relay is attached to the second jack plate arranged on the conversion adapter. Thereby, the first relay can be replaced with the second relay.
Therefore, when replacing the first relay with the second relay, it is not necessary to change the first jack plate, so that it is possible to save the trouble of changing the wiring connected to the first jack plate and to replace the first relay. It is possible to improve the work efficiency when replacing with the second relay. In addition, by eliminating the trouble of changing the wiring connected to the first jack plate, there is no risk of erroneous wiring or wiring omission, so the risk of failure associated with replacing the first relay with the second relay is reduced. be able to.

It is an exploded perspective view which shows an example of the structure of the conversion adapter which concerns on this embodiment. (A) is a front view of the adapter main body, and (b) is a back view of the adapter main body. It is a schematic diagram which shows the state of the internal wiring of a conversion adapter. It is a perspective view which shows the state which the C type hour element relay is attached to the C type jack plate. It is a figure for demonstrating the attachment process of a conversion adapter. It is a perspective view which shows the state which the A type digital hourly relay and the F type reaction relay are attached to the C type jack plate via the conversion adapter.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings. The present invention is not limited to the illustrated examples.

[Conversion adapter configuration]
First, the configuration of the conversion adapter 1 of the present embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is an exploded perspective view showing an example of the configuration of the conversion adapter 1. FIG. 2A is a front view of the adapter main body 10, and FIG. 2B is a back view of the adapter main body 10. FIG. 3 is a schematic view showing the state of the internal wiring of the conversion adapter 1.
The conversion adapter 1 of the present embodiment is a digital time element of the old JRS standard A type (W147 mm × H74 mm × D167 mm) instead of the conventional time element relay (first relay) of the old JRS standard C type (W147 mm × H147 mm × D200 mm). It is an adapter used when exchanging with a relay (second relay), and is attached to a C-shaped jack plate (first jack plate) 30.

As shown in FIG. 1, the conversion adapter 1 includes an adapter main body 10 and a stud position conversion metal fitting (screw receiving member) 20.

As shown in FIGS. 2A and 2B, the adapter body 10 includes an adapter case 11, an A-type jack plate (second jack plate) 12, and an F-type jack plate (second jack plate) 13. A lock stud (fixing stud) 14, a measurement terminal 15, a power input terminal 16, a plug-in terminal plate 17, and a back cover 18 are provided.

The adapter case 11 is a case for mounting each component. As shown in FIG. 1, the front surface of the adapter case 11 is formed in a stepped manner, and the upper portion of the front surface thereof is formed so as to project forward from the lower portion. In this way, the front surface of the adapter case 11 is formed in a stepped shape when the A-type digital hourly relay 50 and the F-type reaction relay 60 are mounted on the front surface of the adapter case 11, respectively (FIG. 3). (See), this is to improve the maintainability of each relay by suppressing the variation between the front end surface of the A-type digital hourly relay 50 and the front end surface of the F-type reaction relay 60.
Further, as shown in FIG. 2B, the adapter case 11 has an opening on the back surface, and the opening on the back surface is closed by the insertion terminal plate 17 and the back surface cover 18.

The A-type jack plate 12 is a jack plate for mounting an old JRS standard A-type (W147 mm × H74 mm × D167 mm) DC relay (for example, A-type digital hourly relay 50) as a second relay. As shown in FIG. 2A, the A-type jack plate 12 has a plurality of terminal insertion ports (second terminal insertion ports) 12a into which the terminals of the A-type relay are inserted, and the back surface thereof. It has a plurality of terminal pieces 12b (see FIG. 3) protruding for wiring connection. As shown in FIG. 1, the layout (structure) of the terminal insertion port is different between the A-type jack plate 12 and the C-type jack plate 30, and the terminal insertion port 12a of the A-type jack plate 12 is different. It is not possible to connect the terminals of a relay (for example, a C-type relay). The A-shaped jack plate 12 is arranged in the lower portion of the front surface of the adapter case 11.

The F-type jack plate 13 is a jack plate for mounting an old JRS standard F-type (W58 mm × H96 mm × D146 mm) DC relay (for example, F-type reaction relay 60) as a second relay. As shown in FIG. 2A, the F-type jack plate 13 has a plurality of terminal insertion ports (second terminal insertion ports) 13a into which the terminals of the F-type relay are inserted on the front surface, and the F-type jack plate 13 has a back surface. It has a plurality of terminal pieces 13b (see FIG. 3) protruding for wiring connection. As shown in FIG. 1, the F-type jack plate 13 and the C-type jack plate 30 have different terminal insertion port layouts (structures), and the terminal insertion ports 13a of the F-type jack plate 13 are different from each other. It is not possible to connect the terminals of a relay (for example, a C-type relay). The F-shaped jack plate 13 is arranged on the upper side of the front surface of the adapter case 11. Specifically, the F-type jack plate 13 is arranged on the upper portion of the front surface of the adapter case 11 so that the F-type reaction relay 60 can be attached in a sideways state (laid down).

The locking stud 14 is a screw for fixing the adapter main body 10 to the C-shaped jack plate 30. As shown in FIG. 2A, the locking studs 14 are arranged at the lower left and the lower right of the upper portion of the front surface of the adapter case 11 in which the F-shaped jack plate 13 is arranged. ..

The measurement terminal (predetermined terminal) 15 is a terminal for measuring the coil voltage of the F-type relay attached to the F-type jack plate 13. As shown in FIG. 2A, the measurement terminal 15 is arranged on the left side of the F-shaped jack plate 13 arranged on the upper side of the front surface of the adapter case 11. The measurement terminal 15 is provided on the front surface of the adapter case 11, that is, on the side of the arrangement surface of the A-type relay (for example, the A-type digital time relay 50) and the F-type relay (for example, the F-type reaction relay 60). It is not limited to the case where it is arranged on the left side of the F-shaped jack plate 13.

The power input terminal (predetermined terminal) 16 is a terminal for inputting power to the A-type relay attached to the A-type jack plate 12. As shown in FIG. 2A, the power input terminal 16 is arranged on the right side of the F-shaped jack plate 13 arranged on the upper side of the front surface of the adapter case 11. The power input terminal 16 is provided on the front surface of the adapter case 11, that is, on the side of the arrangement surface of the A-type relay (for example, the A-type digital time relay 50) and the F-type relay (for example, the F-type reaction relay 60). It is not limited to the case where it is arranged on the right side of the F-shaped jack plate 13. Further, since the power input terminal 16 is a terminal for inputting a power source for engraving a slow release time element separately from the control input, the C-type relay to be replaced (for example, a C-type hourly element relay) is slowly released. If it is not a relay, the adapter body 10 does not have to include the power input terminal 16.

As shown in FIGS. 2B and 3, the insertion terminal board 17 has a plurality of insertion terminals 17a to be inserted into the terminal insertion port (first terminal insertion port) 31 of the C-shaped jack plate 30. is doing. Further, the insertion terminal plate 17 serves to close the upper opening portion of the opening on the back surface of the adapter case 11. Each insertion terminal 17a is provided so as to penetrate the insertion terminal plate 17, and is provided on the back surface of the A-type jack plate 12 at the other end opposite to the one end to be inserted into the terminal insertion port 31. Wiring connections are made to the terminal piece 12b provided and the terminal piece 13b provided on the back surface of the F-shaped jack plate 13, respectively. The arrangement position of the insertion terminal plate 17 is adjusted so as to satisfy the allowable bending radius of the wiring C when the wiring connection is made.

As shown in FIG. 2B, the back surface cover 18 is a cover for closing the lower opening portion of the openings on the back surface of the adapter case 11. The back cover 18 is provided with notches 18a on the left and right edges of the upper end to allow the locking stud 14 to be inserted from the front side to the back side of the adapter case 11.

As shown in FIG. 5, the stud position conversion metal fitting (screw receiving member) 20 adjusts the position of the female screw 22a in which the locking stud 14 is received when the adapter main body 10 is fixed to the C-shaped jack plate 30. It is a metal fitting of.
The female screw 32a formed on the guide rod (bar-shaped portion) 32 of the C-shaped jack plate 30 is a locking stud 41 (see FIG. 4) provided in the C-shaped relay (for example, the C-shaped current relay 40). ), And does not correspond to the locking stud 14 provided in the adapter body 10. Therefore, by attaching the stud position conversion metal fitting 20 to the C-shaped jack plate 30, the female screw 22a is adjusted so as to be arranged at a position corresponding to the position of the locking stud 14 provided on the adapter main body 10. There is.

Specifically, as shown in FIG. 1, the stud position conversion metal fitting 20 connects a cylindrical portion 21 for covering each guide rod 32 provided on the C-shaped jack plate 30 and each tubular portion 21. A bridge-shaped connecting portion 22 is provided.
The tubular portion 21 has a retaining screw 21a at one end. As a result, as shown in FIG. 5, after receiving the guide rod 32 from the end opposite to the side on which the retaining screw 21a is provided, the retaining screw 21a is screwed into the female screw 32a to stud. The position conversion metal fitting 20 can be fixed to the C-shaped jack plate 30.
The connecting portion 22 is formed with female screws 22a at both ends for receiving the locking studs 14. That is, the stud position conversion metal fitting 20 is provided with a female screw 22a that receives the locking stud 14 used when fixing the adapter main body 10 to the C-shaped jack plate 30.

[Conversion adapter mounting method]
Next, a method of attaching the conversion adapter 1 when replacing the C-type time element relay 40, which is a conventional time element relay, with the A-type digital hourly element relay 50 will be described with reference to FIGS. 4 to 6.
FIG. 4 is a perspective view showing a state in which the C-shaped time element relay 40 is attached to the C-shaped jack plate 30. FIG. 5 is a diagram for explaining the mounting process of the conversion adapter 1. FIG. 6 is a perspective view showing a state in which the A-type digital hourly relay 50 and the F-type reaction relay 60 are attached to the C-type jack plate 30 via the conversion adapter 1.

When attaching the conversion adapter 1 to the C-type jack plate 30, first, as shown in FIG. 4, by loosening the locking stud 41 used when attaching the C-type time element relay 40 to the C-type jack plate 30. Remove the C-type hourly relay 40 from the C-type jack plate 30. The locking stud 41 is screwed into the female screw 32a formed on the guide rod 32 of the C-shaped jack plate 30 (see FIGS. 1 and 5).

Next, the stud position conversion metal fitting 20 is attached to the C-shaped jack plate 30 from which the C-shaped time element relay 40 has been removed.
Specifically, as shown in FIGS. 1 and 5, after each tubular portion 21 of the stud position conversion metal fitting 20 is fitted to each guide rod 32 of the C-shaped jack plate 30, it is formed on each guide rod 32. The stud position conversion metal fitting 20 is fixed to the C-shaped jack plate 30 by screwing the retaining screw 21a into the female screw 32a. Then, the adapter main body 10 is attached to the C-shaped jack plate 30 so that each of the plug-in terminals 17a provided on the plug-in terminal plate 17 of the adapter main body 10 is inserted into the terminal insertion port 31 of the C-shaped jack plate 30. Then, the adapter body 10 is fixed to the C-shaped jack plate 30 by screwing each locking stud 14 provided on the adapter body 10 into each female screw 22a formed on the connecting portion 22 of the stud position conversion metal fitting 20. do.

Next, as shown in FIG. 6, the A-type digital hourly relay 50 is attached to the A-type jack plate 12 arranged on the adapter main body 10, and the F-type reaction relay 60 is attached to the F-type jack plate 13.

As described above, according to the conversion adapter 1 of the present embodiment, after removing the C-type time element relay 40 attached to the C-type jack plate 30 and attaching the conversion adapter 1 to the C-type jack plate 30. By attaching the A-type digital hourly relay 50 to the A-type jack plate 12 arranged in the conversion adapter 1, the C-type hourly relay 40 can be replaced with the A-type digital hourly relay 50. Therefore, when replacing the C-type hourly relay 40 with the A-type digital hourly relay 50, it is not necessary to change the C-type jack plate 30, so that it is troublesome to change the wiring connected to the C-type jack plate 30. This can be omitted, and the work efficiency when replacing the C-type hourly relay 40 with the A-type digital hourly relay 50 can be improved. Further, by eliminating the trouble of changing the wiring connected to the C-type jack plate 30, there is no risk of erroneous wiring or wiring omission, so the C-type hourly relay 40 is replaced with the A-type digital hourly relay 50. The risk of failure associated with it can be reduced.

Further, according to the conversion adapter 1 of the present embodiment, when the C-type hourly relay 40 is replaced with the A-type digital hourly relay 50, only the A-type digital hourly relay 50 is used via the conversion adapter 1. Since the F-type reaction relay 60 can also be integrated on the C-type jack plate 30, space can be saved. Further, when the C-type hourly relay 40 is replaced with the A-type digital hourly relay 50, not only the A-type digital hourly relay 50 but also the F-type reaction relay 60 is mounted to replace the A-type digital time. Since it is possible to prevent contact welding of the element relay 50 due to a lightning surge or the like, the C-type elemental relay 40 is replaced with an A-type digital hourly element relay 50 even in an external line mixed circuit that is easily affected by a lightning surge or the like. can do.

Further, according to the conversion adapter 1 of the present embodiment, the arrangement position of the lock stud 41 used when fixing the C-type time element relay 40 to the C-type jack plate 30 and the arrangement position of the lock stud 41 and the adapter main body 10 are C-type jacks. Even if the arrangement positions of the locking studs 14 used for fixing to the plate 30 are different from each other, the adapter main body 10 can be suitably fixed to the C-shaped jack plate 30 by using the stud position conversion metal fittings 20. Can be done.

Further, according to the conversion adapter 1 of the present embodiment, the tubular portion 21 of the stud position conversion metal fitting 20 is fitted to the guide rod 32 of the C-shaped jack plate 30, so that the stud position conversion metal fitting 20 is C-shaped. Since the positioning can be performed when attaching to the jack plate 30, the stud position conversion metal fitting 20 can be easily attached to an appropriate position of the C-shaped jack plate 30.

Further, according to the conversion adapter 1 of the present embodiment, the adapter case 11 of the adapter main body 10 has the arrangement surface of the A-type digital hourly relay 50 and the F-type reaction relay 60 formed in a stepped shape. It is possible to suppress the variation in the front end surface of each relay mounted on the adapter main body 10, and it is possible to improve the maintainability of each relay.

Further, according to the conversion adapter 1 of the present embodiment, the measurement terminal 15 for measuring the coil voltage of the F-type reaction relay 60 is provided on the arrangement surface side of the F-type reaction relay 60. Therefore, it is possible to improve the work efficiency related to the measurement of the coil voltage of the F-type reaction relay 60.

Further, according to the conversion adapter 1 of the present embodiment, the power input terminal 16 for inputting power to the A-type digital hourly relay 50 is provided on the arrangement surface side of the A-type digital hourly relay 50. Since it is configured as such, it is possible to facilitate power input to the A-type digital hourly relay 50.

Although the present invention has been specifically described above based on the embodiment, the present invention is not limited to the above embodiment and can be changed without departing from the gist thereof.
For example, in the above embodiment, as the second relay, two relays of different types, the A-type digital time element relay 50 and the F-type reaction relay 60, are exemplified. The second relay is, for example, the A-type digital time. Only the elementary relay 50 may be used, or three or more relays of different types may be used.

Further, in the above embodiment, the stud position conversion metal fitting 20 is a name plate on which an instruction to remove the stud position conversion metal fitting 20 from the C-shaped jack plate 30 when the adapter main body 10 is removed from the C-shaped jack plate 30 is described. It may be configured to further include. According to this configuration, when the adapter main body 10 is removed from the C-shaped jack plate 30, it is possible to urge the stud position conversion metal fitting 20 to be removed from the C-shaped jack plate 30, so that the stud position conversion metal fitting 20 is forgotten to be removed. Can be prevented.

1 Conversion adapter 10 Adapter body 11 Adapter case 12 A type jack plate (second jack plate)
12a terminal outlet (second terminal outlet)
12b Terminal piece 13 F type jack plate (second jack plate)
13a terminal outlet (second terminal outlet)
13b Terminal piece 14 Lock stud (fixing stud)
15 Measurement terminal (predetermined terminal)
16 Power input terminal (predetermined terminal)
17 Plug-in terminal board 17a Plug-in terminal 18 Back cover 20 Stud position conversion bracket (screw receiving member)
21 Cylindrical part 21a Retaining screw 22 Connecting part 22a Female screw 30 C-shaped jack plate (first jack plate)
31 Terminal outlet (1st terminal outlet)
32 Guide rod (bar-shaped part)
32a Female screw 40 C type current relay (1st relay)
50 A type digital hourly relay (second relay)
60 F type reaction relay (second relay)

Claims (6)

It is a conversion adapter that is detachably attached to the first jack plate on which the first terminal insertion port for connecting the terminal of the first relay is arranged.
A second terminal outlet having a structure different from that of the first terminal outlet for connecting the terminal of the second relay is arranged on one surface, and wiring corresponding to the second terminal outlet is provided on the other surface. The second jack plate on which the terminal pieces for connection are arranged, and
An insertion terminal that is electrically connected to the terminal piece of the second jack plate and is inserted into the first terminal insertion port of the first jack plate.
A conversion adapter characterized by being equipped with. The second relay is composed of a plurality of relays of different types.
The second jack plate is composed of a plurality of jack plates corresponding to each of the plurality of relays.
The conversion adapter according to claim 1, wherein the insertion terminal is electrically connected to each terminal piece of the plurality of jack plates and is inserted into the first terminal insertion port of the first jack plate. .. Further provided with a screw receiving member that can be attached to the first jack plate,
The screw receiving member is
A female screw that receives the fixing stud used when fixing the adapter body to the first jack plate, and
Equipped with a tubular part,
The tubular portion is mounted on the first jack plate by fitting the tubular portion to a rod-shaped portion having a female screw for receiving a fixing stud used for fixing the first relay to the first jack plate. The conversion adapter according to claim 2, wherein the conversion adapter is characterized in that. The conversion adapter according to claim 3, wherein the adapter main body has a stepped arrangement surface for arranging a plurality of relays as the second relay. The first relay is a non-digital time element relay.
The conversion adapter according to any one of claims 2 to 4, wherein the plurality of relays as the second relay are a digital time element relay and a reaction relay that operates in imitation of the digital hourly element relay. .. The conversion adapter according to any one of claims 1 to 5, wherein a predetermined terminal is provided on the side of the arrangement surface of the second relay.

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