JP3942175B2 - Repeater - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a repeater provided between a receiver and a terminal device, and more particularly to a repeater that is housed in a repeater panel and connected to each other.
[0002]
[Prior art]
For example, in a fire alarm facility such as that disclosed in Patent Document 1 and other crime prevention facilities, a repeater that relays the exchange of signals between the terminal device and the receiver is usually installed. A plurality of such repeaters 1 are usually stored together in a repeater panel 40 as shown in FIG. Here, the adjacent repeaters 1 and 1 are connected to each other by connecting the signal line S and the common line SC, which are drawn from the receiver and connected to each terminal device by crossover wiring. Conventionally, in order to connect the signal line S, as shown in FIG. 8, a lead wire 60 is prepared, one end is inserted into the S terminal hole 11a of the terminal block 11 of one repeater 1, and the other end is connected to the other. It is inserted into the S terminal hole 11a of the terminal block 11 of the repeater 1 to perform crossover wiring. Similarly, for the connection of the common line SC, a lead wire 60 is prepared, one end is inserted into the SC terminal hole 11b of the terminal block 11 of one repeater 1, and the other end is connected to the terminal block 11 of the other repeater 1. Inserting into the SC terminal hole 11b to perform the crossover wiring.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-143776 (FIG. 1)
[0004]
[Problems to be solved by the invention]
However, the number of the repeaters 1 accommodated in the repeater panel 40 may reach several tens, and each end of each repeater 1, 1 is used by using two lead wires 60. The insertion into the S terminal hole 11a and the SC terminal hole 11b is complicated, leading to an increase in installation man-hours and installation time at the site, which leads to an increase in cost.
[0005]
The present invention has been made in view of the above problems, and an object of the present invention is to provide a repeater that facilitates connection between repeaters and can reduce the number of mounting steps and mounting time.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention comprises a case main body housed in a repeater panel and a board built in the case main body, the board comprising a terminal block for connecting lead wires, The board has a signal connecting part that directly exchanges signals with other repeaters through a crossover connection. The signal connecting part is connected to a base part on the board and one end is directly connected to the connecting part. And the other end of the lead wire has a connecting portion that is drawn out from a position adjacent to the terminal block of the case body and connected to the terminal block of another relay device. and, the connection of the lead wire and connectable to the terminal block of another repeater, the said terminal block and the other one of the lead wires drawn out from the repeater that can be connected terminal portions and the external device side by side terminal portion connectable lead wire for connecting And location, of the terminal portion, the terminal portion for connecting said lead wire drawn out from the other repeater is configured as characterized by being arranged at a position side pulled out said lead wire.
[0007]
Further, the present invention is characterized in that a rod-shaped insertion terminal is provided in the lead wire connection portion, and the insertion terminal of the lead wire connection portion can be freely connected to a terminal block of another repeater. Yes.
[0008]
According to the present invention, the case body has a lead wire holding portion capable of holding the lead wire connecting portion.
[0009]
Further, according to the present invention, the case body is provided with an upper lid portion, and a terminal opening portion that exposes the plurality of terminal holes of the terminal block to the outside and a wire opening portion that leads the lead wire to the outside are communicated with the upper lid portion. It is configured as a feature that it is arranged.
[0010]
In the present invention, the board has a memory unit for storing a unique address. The signal coupling unit and the address setting unit are connected to each other, and an address is set in the memory unit through the signal coupling unit by exchanging signals. It is configured as a feature.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. First, the first embodiment will be described. FIG. 1 is an exploded view of the repeater according to the first embodiment of the present invention, FIG. 2 is a schematic top view of the repeater according to the first embodiment of the present invention connected by lead wires, and FIG. The side perspective view of the repeater in 1st embodiment, FIG. 4 is the circuit block diagram of a board | substrate. In the present embodiment, the top, bottom, left and right are oriented as shown in FIG.
A plurality of repeaters 1 in this embodiment are stored side by side in a repeater panel 40 as shown in FIG. 6, and as shown in FIG. 1, a case main body 3 accommodated in the repeater panel 40, and The case body 3 includes a substrate 2 on which a circuit for processing a signal between the terminal device and the receiver is mounted.
[0014]
The substrate 2 housed in the case body 3 has a substantially rectangular shape, and a terminal block 11 is provided in the vicinity of the upper end thereof. The terminal block 11 includes an S terminal hole 11a that is electrically connected to the signal line S in the circuit of the substrate 2, an SC terminal hole 11b that is electrically connected to the common line SC in the circuit of the substrate 2, and other receivers, terminal devices, and the like. External terminal holes 11c and 11c into which lead wires 60 are inserted. The circuit of the substrate 2 is as shown in FIG.
[0015]
Similarly, in the vicinity of the upper end of the substrate 2, a signal connecting portion 4 that directly exchanges signals with other repeaters 1 is provided. In the present embodiment, the signal connection portion 4 includes two connection portions 13a and 13b that are electrically connected to the signal line S and the common line SC in the circuit of the substrate 2, respectively, and two ends that are directly connected to the connection portions 13a and 13b. Lead wires 12 and 12. That is, one end of the lead wires 12 and 12 conventionally inserted in the S terminal hole 11a or the SC terminal hole 11b is directly connected to the substrate 2 by soldering or the like. The connection portions 13a and 13b are provided in the vicinity of the S terminal hole 11a and the SC terminal hole 11b of the terminal block 11. That is, in this embodiment, since the S terminal hole 11 a and the SC terminal hole 11 b are arranged on the right side of the terminal block 11, the connection portions 13 a and 13 b are provided on the right side of the terminal block 11. Further, the connecting portion 12a at the other end of the lead wire 12 is provided with a rod-like insertion terminal 12b having substantially the same diameter as the diameters of the S terminal hole 11a and the SC terminal hole 11b.
Here, the shape of the substrate 2 is not particularly limited to a substantially rectangular shape, and may be any shape. Further, the positions of the connection portions 13a and 13b and the terminal block 11 on the substrate 2 are not particularly limited to this, and can be freely changed depending on the circuit arrangement of the substrate 2, wiring, and the like.
[0016]
By configuring the substrate 2 of the repeater 1 in such a configuration, when connecting the signal line S and the common line SC of the adjacent repeaters 1 and 1, one end of the lead wire 12 is connected to the S terminal hole 11 a and the SC terminal hole. As shown in FIG. 2, the lead wire 12 directly connected to the connection portion 13a is directly connected to the S terminal hole 11a of the other repeater 1 and the connection portion 13b as shown in FIG. Since it is only necessary to insert the wires 12 into the SC terminal holes 11b of the other repeaters 1, the attachment work of the repeaters 1 is facilitated, and the required number of attachment steps can be greatly reduced. Further, since the lead wire 12 is already provided on the substrate 2, it is not necessary to bring the lead wire 12 to the work site separately from the repeater 1. Further, since the S terminal hole 11a and the SC terminal hole 11b in which one end of the lead wire 12 is conventionally inserted are not necessary, the terminal block 11 can be made smaller, and therefore the repeater 1 can be made smaller. Become. Furthermore, by providing the connecting portion 12a of the lead wire 12 with the rod-like insertion terminal 12b, the insertion / extraction of the lead wire 12 into / from the S terminal hole 11a and the SC terminal hole 11b is further facilitated.
[0017]
Further, the case body 3 in which such a substrate 2 is housed has a lower case 30 that has an upper opening and substantially includes the substrate 2 with the terminal block 11 facing upward, and an upper lid portion 20 that is attached to the upper portion of the lower case 30. Consists of If the case main body 3 has such a configuration, the upper lid portion 20 is shallow, so that the lead wire 12 directly connected to the substrate 2 can be easily pulled out through the upper lid portion 20.
[0018]
The upper lid portion 20 is formed with a terminal opening 21 for exposing the terminal block 11 to the outside when the substrate 2 is placed in the case body 3. In the manufacturing stage of the upper lid portion 20, a cover piece 22 is formed in the terminal opening 21 portion. Since the size of the terminal block 11 of the substrate 2 varies depending on the number of the external terminal holes 11c, the cover piece 22 is folded and removed according to the size of the terminal block 11, and the terminal opening 21 having a required size is removed. Form. By configuring the upper lid portion 20 as described above, it is possible to correspond to various substrates 2 having different numbers of external terminal holes 11 c of the terminal block 11, and a new upper lid portion 20 adapted to the size of the terminal block 11. No need to manufacture.
[0019]
In addition, a line opening 23 is formed in the upper lid portion 20 so as to be continuous with the terminal opening 21 and lead out the lead wire 12 of the substrate 2 to the outside of the case body 3. The wire opening 23 is substantially the same width as the diameter of the lead wire 12 and can accommodate two lead wires 12, and is formed at a position corresponding to the connection portions 13 a and 13 b of the substrate 2. That is, in the present embodiment, since the connection portions 13 a and 13 b are provided on the right side of the terminal block 11, the line opening portion 23 is also formed on the right side of the terminal opening portion 21.
When the lead wire 12 is pulled out, since the terminal opening 21 and the wire opening 23 communicate with each other, the lead wire 12 is first passed through the terminal opening 21 having a large opening area and then slid to the line opening 23 side. By doing so, the lead wire 12 can be easily accommodated in the wire opening 23. Further, when the substrate 2 is stored in the case body 3 as it is, the terminal opening 21 is blocked by the terminal block 11, whereby the portion where the line opening 23 and the terminal opening 21 are continuous is also blocked by the terminal block 11. Therefore, the lead wire 12 can be confined in the line opening 23, and the lead wire 12 can be completely accommodated in the line opening 23. Further, the upper lid portion 20 is formed with an engaging portion 24 that engages with an engaged portion 32 of the lower case 30 described later, whereby the upper lid portion 20 is fixed to the lower case 30.
[0020]
The lower case 30 has an upper opening shape, and is formed to have a width and depth that can substantially contain the substrate 2 described above. In addition, a guide portion 31 having a groove having a width substantially the same as the thickness of the substrate 2 is provided in a portion facing the end portion of the substrate 2 inside the lower case 30, whereby the substrate in the lower case 30 is provided. 2 positioning is performed. Further, an engaged portion 32 that engages with the engaging portion 24 described above is formed at the upper end portion of the lower case 30. Furthermore, the lower case 30 is provided with a rail accommodating portion 33 in which a rail 41 provided on the bottom of the repeater panel 40 is accommodated and a screw hole 34 for screwing and fixing to the repeater panel 40. Thereby, positioning and fixing when the repeater 1 is stored in the repeater panel 40 are performed.
[0021]
Further, as shown in FIG. 3, a lead wire holding portion 35 for holding the lead wire 12 drawn out of the case body 3 is provided on the narrow side surface portion 30 a of the lower case 30. The lead wire holding portion 35 is provided on the side surface portion 30a on the side close to the line opening 23 when the upper lid portion 20 is attached to the lower case 30, that is, the right side surface portion 30a in this embodiment.
The lead wire holding portion 35 can hold the lead wire 12 in the lead wire holding portion 35 when the repeater 1 is carried to the work site, so that the lead wire 12 hangs down and becomes entangled with other devices. No worries. Further, when the plurality of repeaters 1 and 1 are connected by the lead wire 12, the lead wire 12 of the last repeater 1 is left without a connection destination. As shown in FIG. By holding 12 with the lead wire holding part 35, a short circuit of the lead wire 12 can be prevented. As shown in FIG. 3, the lead wire holding portion 35 has a hook shape and hooks and holds the insertion terminal 12 b of the lead wire 12. Or you may comprise the lead wire holding | maintenance part 35 by the insertion hole of the diameter substantially the same as the diameter of the insertion terminal 12b. With such a configuration, the insertion terminal 12b of the lead wire 12 is in a state of being housed in the sheath, and there is no possibility that the insertion terminal 12b is damaged during transportation.
[0022]
Here, each of the repeaters 1 and 1 described above is set with a unique address A1, A2,. The receiver sequentially designates the repeater address, sends a command together with the address, and performs polling for sending back the stored information from the repeater 1 where the address match is obtained. Polling from the repeater 1 is performed in the same manner with the terminal device connected to the repeater 1, and information sensed by the terminal device is collected by the repeater 1.
[0023]
Such address setting may be set for a plurality of repeaters 1 and 1 at the time of factory shipment, or may be set before being stored in the repeater panel 40 at the site. In the latter case, an address setting unit 50 as shown in FIG. 7 is used. The address setting unit 50 can set the address of the repeater 1 terminal device, and when setting the address to the terminal device, the fitting fittings 52a and 52a of the sensor connection unit 52 at the top of the setting device main body 51. The terminal device is connected by turning the terminal device into and connected, and the address is set.
On the other hand, when setting the address of the repeater 1, the connection cable 53 is used. The front end of the connection cable 53 is branched into two, and female terminals 54 and 54 into which the insertion terminals 12b and 12b of the lead wires 12 and 12 of the repeater 1 are respectively inserted are provided. With the insertion terminals 12b and 12b of the lead wires 12 and 12 of the repeater 1 inserted into the female terminals 54 and 54, the address to be set in the repeater 1 is input with the numeric keypad 55, and the write button 56 is pressed. Writing is done by pressing. On the contrary, the address set in the repeater 1 is obtained by pressing the read button 57 in a state where the insertion terminals 12b and 12b of the lead wires 12 and 12 of the repeater 1 are inserted into the female terminals 54 and 54. You can also know.
[0024]
Here, the circuit in the repeater 1 in which the address is written is as shown in FIG. 4, and the address input from the address setter 50 through the lead wires 12 and 12 is transmitted through the transmission circuit and the CPU 2a. It is written in the memory unit 2b. Similarly, when the address setter 50 calls the address of the repeater 1, the address is called from the memory unit 2 b by the CPU 2 a and transmitted to the address setter 50 via the lead wires 12 and 12. The memory unit 2b stores data collected from the terminal device in addition to the address.
Therefore, if the address setter 50 is connected to the lead wire 12 of the repeater 1, the address can be written to the memory unit 2b in the repeater 1, so that a special connection jig is not separately prepared. Address setting can be easily performed without disassembling the repeater 1.
[0025]
In the present embodiment, the line opening 23 for drawing out the lead wire 12 is provided continuously to the terminal opening 21. However, the present invention is not limited to this, and a lead wire drawing opening hole is provided separately without being continuous. A method of drawing the lead wire 12 through the tip of the lead wire 12 to the outside may also be used. Moreover, although the lead wire 12 is directly soldered to the board | substrate 2, it is not restricted to this, The lead wire 12 may be directly connected to the board | substrate 2 via the connector, and the lead wire 12 was previously attached to the repeater 1 side. If it is good.
[0026]
The first embodiment of the present invention has been described above. In the said embodiment, the signal connection part 4 was comprised by the connection parts 13a and 13b and the lead wires 12 and 12, and it was set as the structure which connects the signal line S of the repeaters 1 and 1, and the common line SC. However, it is possible to connect the signal line S and the common line SC of the repeaters 1 and 1 also by other forms. Hereinafter, a second embodiment of the present invention will be described. FIG. 5 is an exploded view of the repeater in the second embodiment of the present invention.
[0027]
The repeater 1 in the present embodiment has the same general configuration as the repeater 1 in the first embodiment, and is housed in the case main body 3 accommodated in the repeater panel 40 and the case main body 3, and terminal equipment And a substrate 2 on which a circuit for processing a signal between the receiver and the receiver is mounted.
In the first embodiment, the signal connecting portion 4 is directly connected to the connecting portions 13a and 13b that are electrically connected to the signal line S and the common line SC in the circuit of the substrate 2, respectively, and one end of each is connected to the connecting portions 13a and 13b. In this embodiment, as shown in FIG. 5, the signal connecting portion 4 is disposed at a position back to back with the female connecting connector 14 and the female connecting connector 14. The male connection connector 15 is configured. The female connection connector 14 has an S connection hole 14a and an SC connection hole 14b that are electrically connected to the signal line S and the common line SC of the circuit in the board 2. Similarly, the male connection connector 15 is connected to the circuit in the board 2. The signal line S and the common line SC have rod-shaped S bar terminals 15a and SC bar terminals 15b.
In addition, the female connection connector 14 and the male connection connector 15 are exposed to the outside at a portion of the side surface portion 30b on the wide side of the lower case 30 that faces the female connection connector 14 and the male connection connector 15. Connector openings 36 and 36 are formed in the substrate.
[0028]
By configuring the repeater 1 in such a configuration, the repeater 1 is arranged on the rail 41 of the repeater panel 40 and is simply slid with respect to the adjacent repeater 1. The connection connector 15 is connected to the female connection connector 14 of the relay 1 that has been slid, or conversely, the female connection connector 14 of the adjacent relay 1 and the male connection connector 15 of the relay 1 that has been slid is connected. As a result, the signal line S and the common line SC of the repeaters 1 and 1 are connected, so that the connection work is very easy. Further, the lead wire 12 for connecting the signal line S and the common line SC is not necessary. The positions of the female connection connector 14 and the male connection connector 15 are not particularly limited as long as they are provided back to back on the substrate 2.
[0029]
When the repeater 1 is configured as described above, in order to set the address of the repeater 1 by the address setting unit 50, the address setting is performed for the S bar terminal 15a and the SC bar terminal 15b of the male connector 15. The female terminals 54 and 54 of the connection cable 53 of the container 50 are inserted. Thereby, the repeater 1 and the address setting unit 50 are connected, and the address of the repeater 1 can be written and the address can be called.
[0030]
In addition, in this invention, the structure of the upper cover part 20 and the case main body 3 of the repeater 1 is not limited to this embodiment. The terminal opening 21 and the lead wire opening 23 are not necessarily provided in the upper lid portion 20.
[0031]
【The invention's effect】
As described above, according to the present invention, the board has a signal connecting portion that directly exchanges signals with other repeaters, and the signal connecting portion is connected to the other repeaters. Since it is no longer necessary to connect to the terminal block, it is easy to connect the repeaters, and it is possible to reduce the number of mounting steps and the mounting time.
Further, according to the present invention, the signal connecting portion of the board is composed of a connecting portion on the substrate and a lead wire having one end directly connected to the connecting portion, and the other end of the lead wire is connected to a terminal block of another repeater. This eliminates the need to connect one end of the lead wire to the terminal block and eliminates the need to carry the lead wire separately, facilitating the installation work of the repeater and reducing the number of installation steps required. Can be made.
[0032]
Further, according to the present invention, since the rod-shaped insertion terminal is provided in the connecting portion of the lead wire, it is easy to connect the lead wire to the terminal block of the other repeater.
[0033]
Further, according to the present invention, the case main body has the lead wire holding portion capable of holding the lead wire connecting portion. Therefore, when the repeater is carried to the work site, the lead wire is held by the lead wire holding portion. It is possible to prevent the lead wires from hanging down and getting entangled with other devices. Further, the surplus lead wires can be held by the lead wire holding portion, and a short circuit of the lead wires can be prevented.
[0034]
Further, according to the present invention, the case main body is provided with an upper lid portion, and a terminal opening portion for exposing a plurality of terminal holes of a terminal block provided on the substrate to the upper lid portion and a line opening portion for leading the lead wire to the outside are provided. Since the lead wires are arranged in communication with each other, the lead wires can be easily accommodated in the wire openings by passing the lead wires through the terminal openings having a large opening area and then sliding the lead wires toward the wire openings. Also, when the board is stored in the case body, the terminal opening is blocked by the terminal block, and the portion where the line opening and the terminal opening are continuous is also blocked by the terminal block. The lead wire can be completely contained in the wire opening.
[0035]
Further, according to the present invention, the substrate has a memory unit for storing a unique address, and the address is set in the memory unit via the signal coupling unit by connecting the signal coupling unit and the address setting unit and exchanging signals. Therefore, it is possible to easily set an address without separately preparing a special connection jig and without disassembling the repeater.
[Brief description of the drawings]
FIG. 1 is an exploded view of a repeater in a first embodiment of the present invention.
FIG. 2 is a schematic top view of a state in which the repeaters in the first embodiment of the present invention are connected by lead wires.
FIG. 3 is a side perspective view of the repeater according to the first embodiment of the present invention.
FIG. 4 is a circuit block diagram of a substrate.
FIG. 5 is an exploded view of a repeater in the second embodiment of the present invention.
FIG. 6 is a front view of a repeater panel.
FIG. 7 is a perspective view of an address setting device.
FIG. 8 is a schematic top view of a state in which conventional repeaters are connected by lead wires.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Repeater 2 Board | substrate 3 Case main body 4 Signal connection part 11 Terminal block 11a S terminal hole 11b SC terminal hole 11c External terminal hole 12 Lead wire 12a Connection part 12b Plug-in terminals 13a and 13b Connection part 14 Female connection connector 14a S connection Hole 14b SC connection hole 15 Male connection connector 15a S rod terminal 15b SC rod terminal 20 Upper lid portion 21 Terminal opening portion 22 Cover piece 23 Line opening portion 30 Lower case 35 Lead wire holding portion 36 Connector opening portion 40 Relay panel 50 Address Setting device

Claims (5)

In a repeater comprising a case main body housed in a repeater panel and a board built in the case main body, the board comprising a terminal block for connecting lead wires,
The board has a signal connecting part that directly exchanges signals with other repeaters through a crossover connection. The signal connecting part is connected to a base part on the board and one end is directly connected to the connecting part. And the other end of the lead wire has a connecting portion that is drawn out from a position adjacent to the terminal block of the case body and connected to the terminal block of another relay device. And the connection part of this lead wire can be freely connected to the terminal block of other repeaters,
In the terminal block, a terminal part to which the lead wire drawn from another one of the repeaters can be connected and a terminal part to which a lead wire for connecting to an external device can be connected are arranged side by side. A repeater characterized in that a terminal portion for connecting the lead wire drawn out from another repeater is arranged on the position side where the lead wire is drawn out.   2. A repeater according to claim 1, wherein said lead wire connection portion is provided with a rod-like insertion terminal, and the lead wire connection portion can be freely connected to a terminal block of another repeater. .   The repeater according to claim 1, wherein the case main body has a lead wire holding portion capable of holding the lead wire connecting portion.   The case body is provided with an upper lid portion, and a terminal opening portion for exposing a plurality of terminal holes of the terminal block to the outside and a wire opening portion for drawing the lead wire to the outside are arranged in communication with the upper lid portion. The repeater according to claim 1.   The board has a memory unit for storing a unique address, the signal coupling unit and an address setting unit are connected, and an address is set in the memory unit via the signal coupling unit by transmitting and receiving signals. The repeater according to any one of claims 1 to 4.

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