JP2014175178A - Terminal block - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique which allows one terminal block, out of a plurality of terminal blocks, to be connected with the other terminal block without causing short circuit, even if a terminal is connected with one terminal block, and allows disconnection of one terminal block from the other terminal block.SOLUTION: In a terminal block 100 having a base 40 fixed to a device, and a first terminal block 20 and a second terminal block 30 connected with other device via a cable 17 and fixed to the base 40, the cable 17 led out from the first terminal block 20 is led out from the reverse direction for the cable 17 led out from the second terminal block 30.

Description

  The present invention relates to a terminal block.

  JP 2010-244751 A (Patent Document 1) states that “an upper terminal block having a plurality of upper screw terminals for connecting external wiring, a lower terminal block having lower screw terminals, and a height direction” A terminal pedestal with a step is provided: the upper terminal block is fixed to the upper pedestal of the terminal pedestal, and the lower terminal block is fixed to the lower pedestal of the terminal pedestal. Each has a possible structure. "

JP 2010-244751 A

  In the technique described in Patent Document 1, the cable drawing direction of the upper terminal block is the same as the cable drawing direction of the lower terminal block. Therefore, there is a possibility that a terminal to be connected (or released from connection) to the lower terminal block comes into contact with a terminal connected to the upper terminal block and is short-circuited.

  An object of the present invention is to connect a terminal to the other terminal block without short-circuiting even if the terminal is connected to one of the plurality of terminal blocks, and to the other terminal block. It is to provide a technology that makes it possible to disconnect from a network.

  Of the inventions disclosed in the present application, the outline of typical ones will be briefly described as follows.

  One embodiment of the present invention is a terminal block having a first terminal block and a second terminal block that are connected to another device via a cable and fixed to the device, and a base fixed to the device. Thus, the cable drawn from the first terminal block is drawn from the opposite direction to the cable drawn from the second terminal block.

  Among the inventions disclosed in the present application, effects obtained by typical ones will be briefly described as follows.

  According to an embodiment of the present invention, even when a terminal is connected to one terminal block among a plurality of terminal blocks, connecting a terminal to the other terminal block without short-circuiting, It becomes possible to release the connection from the other terminal block.

It is a figure which shows the outline | summary of a plant control board and the structural example of the vicinity. It is a disassembled perspective view of the terminal block of one Embodiment to which this invention was applied. It is a perspective view of the terminal block of one embodiment to which the present invention is applied. It is a top view of the terminal block of one embodiment to which the present invention is applied. It is an exploded top view of the terminal block of one embodiment to which the present invention is applied. It is front sectional drawing of the terminal block of one Embodiment to which this invention was applied. It is a figure which shows the state by which the terminal block of the terminal block of one Embodiment with which this invention was applied was accommodated in the accommodating part.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that components having the same function are denoted by the same reference symbols throughout the drawings for describing the embodiment, and the repetitive description thereof will be omitted.

<Plant control panel>
FIG. 1 is a diagram showing a plant control panel 300 and its vicinity. As shown in FIG. 1, a plant control panel 300 provided in a plant (for example, a power plant) includes devices such as a relay unit 200. The relay unit 200 is provided with a plurality of terminal blocks 100. The terminal block 100 is connected to another device such as a measuring instrument 700 via the cable 17.

<Terminal block>
FIG. 2 is an exploded perspective view of a terminal block according to an embodiment to which the present invention is applied. As shown in FIG. 2, the terminal block 100 includes a base 40 fixed to the relay unit 200, a first terminal block 20 attached to the base 40, and a second terminal block 30 attached to the base 40. And have.

  The first terminal block 20 is connected to the measuring instrument 700 via the cable 17. The first terminal block 20 is provided with a fixing portion 29 for fixing the terminal 11 provided at the tip of the cable 17 at predetermined intervals in the longitudinal direction. Further, the first terminal block 20 is formed with a first blocking wall 28 that surrounds a direction other than the direction in which the cable 17 of each fixing portion 29 is drawn out by a plane orthogonal to the horizontal plane.

  The second terminal block 30 is connected to the measuring instrument 700 via the cable 17. The second terminal block 30 is provided with fixing portions 39 for fixing the terminals 10 at predetermined intervals in the longitudinal direction. Further, the second terminal block 30 is formed with a second blocking wall 38 that surrounds a direction other than the direction in which the cable 17 of each fixing portion 39 is drawn out by a plane orthogonal to the horizontal plane.

  The base 40 is fixed to the relay unit 200 by a base fixing screw 49. In addition, screw holes 41, 42, 43, and 44 are formed in the base 40.

  With the first terminal block 20 mounted on the base 40, the screw 51 is inserted toward the screw hole 41 of the base 40 through the screw hole 21 formed in the first terminal block 20. 52 is inserted toward the screw hole 42 of the base 40 through the screw hole 22 formed in the first terminal block 20. Then, when the screws 51 and 52 are tightened, the screws 51 and 52 are inserted into the screw holes 41 and 42, and the first terminal block 20 is fixed to the base 40.

  In a state where the second terminal block 30 is mounted on the base 40, the screw 53 is inserted toward the screw hole 43 of the base 40 through the screw hole 31 formed in the second terminal block 30. 54 is inserted toward the screw hole 44 of the base 40 through the screw hole 32 formed in the second terminal block 30. Then, when the screws 53 and 54 are tightened, the screws 53 and 54 are inserted into the screw holes 43 and 44, and the second terminal block 30 is fixed to the base 40.

  Furthermore, the base 40 has a plurality of wrapping terminals 60 that penetrate the base 40 in the vertical direction. The wrapping terminal 60 is connected to a signal line 70 drawn from the relay unit 200.

  FIG. 3 is a perspective view of a terminal block according to an embodiment to which the present invention is applied. As shown in FIG. 3, the first terminal block 20 and the second terminal block 30 having the same shape are mounted on the base 40 so as to face each other.

  Further, the fixing portion 29 and the second terminal block 30 on the first terminal block 20 side are formed by the surface of the first blocking wall 28 on the second terminal block 30 side and the surface of the second blocking wall 38 on the first terminal block 20 side. Between the fixed part 39 on the side is cut off.

  FIG. 4 is a plan view of a terminal block according to an embodiment to which the present invention is applied. As shown in FIG. 4, the cables 17 drawn from the fixing portions 39 of the second terminal block 30 are drawn from the opposite directions with respect to the cables 17 drawn from the fixing portions 29 of the first terminal block 20. The terminal 11 fixed to the first terminal block 20 and the terminal 10 fixed to the second terminal block 30 face each other.

  FIG. 5 is an exploded plan view of a terminal block according to an embodiment to which the present invention is applied. As shown in FIG. 5, the inserted screws 51 and 52 are removed, and the first terminal block 20 can be separated by pulling it upward from the base 40. Further, the inserted screws 53 and 54 are removed, and the second terminal block 30 can be separated by pulling upward from the base 40.

  The first terminal block 20 and the second terminal block 30 can be separated from the base 40 even when the base 40 is fixed to the relay unit 200. And after separation, the first terminal block 20 and the second terminal block 30 are mounted on the base 40 fixed in advance to the relay unit 200 of the updated plant control panel 300, and then fixed, Update work time can be shortened.

  FIG. 7 is a diagram illustrating a state in which the first terminal block 20 and the second terminal block 30 separated from the base 40 are stored in the storage units 600 and 610. As shown in FIG. 7, the first terminal block 20 separated from the base 40 comes close to the direction in which the cable 17 is pulled out as the cable 17 connected to the first terminal block 20 is wound. And the 1st terminal block 20 is accommodated in the state in which the cable 17 was wound by the accommodating part 600 provided in the direction where the cable 17 is pulled out.

  Further, the second terminal block 30 separated from the base 40 comes close to the direction in which the cable 17 is pulled out as the cable 17 connected to the second terminal block 30 is wound. And the 2nd terminal block 30 is accommodated in the state in which the cable 17 was wound by the accommodating part 610 provided in the direction where the cable 17 is pulled out.

  FIG. 6 is a front sectional view of a terminal block according to an embodiment to which the present invention is applied. As shown in FIG. 6, the conductor portions 80 and 81 included in the first terminal block 20 and the second terminal block 30 are provided with fixing portions 29 and 39 on the upper surface and fitting portions 90 and 91 on the lower end.

  The fitting portions 90 and 91 are provided at positions corresponding to the wrapping terminal 60. The fitting portions 90 and 91 are slidably fitted to the wrapping terminal 60 as the first terminal block 20 and the second terminal block 30 are pushed downward toward the base 40. And the 1st terminal block 20 and the 2nd terminal block 30 maintain the state where base 40 was fixed to relay unit 200, and wrapping terminal 60 of base 40 was connected with signal wire 70 of relay unit 200. The mating parts 90 and 91 are separable from the base 40 so as to be separable.

  That is, as the first terminal block 20 or the second terminal block 30 is pulled upward from the base 40, the fitting between the fitting portions 90 and 91 and the wrapping terminal 60 is released and separated from the base 40. Is done.

  Further, the terminal 11 is fixed to the first terminal block 20 by a fixing portion 29, and the terminal 10 is fixed to the second terminal block 30 by a fixing portion 39. The wrapping terminal 60 is connected to a signal line 70 introduced from the relay unit 200. The terminals 10 and 11 and the signal line 70 are electrically connected via the fixing portions 29 and 39, the conductor portions 80 and 81, and the wrapping terminal 60.

<Effects of the present embodiment>
According to the terminal block 100 in the present embodiment described above, the cable 17 drawn from the first terminal block 20 is drawn from the opposite direction with respect to the cable 17 drawn from the second terminal block 30. Even if the cable 17 is connected to one terminal block among the plurality of terminal blocks, the cable 17 is connected to the other terminal block without being short-circuited, and the connection is released from the other terminal block. It becomes possible to do.

  The first terminal block 20 and the second terminal block 30 are provided with fixing portions 29 and 39 for fixing the terminals 10 and 11 on the upper surfaces of the conductor portions 80 and 81 provided at predetermined intervals in the longitudinal direction. In addition, by providing fitting portions 90 and 91 to be fitted to the wrapping terminal 60, the fixing portions 29 and 39, the terminals 10 and 11, and the wrapping terminal 60 are conducted through the conductor portions 80 and 81. Is possible.

  Furthermore, the first terminal block 20 and the second terminal block 30 can be easily detached from the base 40 by the wrapping terminal 60 and the fitting portion 90 being slidably fitted. Moreover, the operation | work which cancels | releases the connection of the terminals 10 and 11 and the 1st terminal block 20 and the 2nd terminal block 30 at the time of updating the plant control panel 300, and the terminals 10 and 11 and the 1st terminal block 20, 2nd The trouble of reconnecting with the terminal block 30 can be saved.

  Further, the surface on the second terminal block 30 side of the first blocking wall 28 and the surface on the first terminal block side 20 of the second blocking wall 38 are the fixed portion 29 on the first terminal block 20 side and the second terminal block 30. It becomes possible to interrupt the space between the fixed portion 39 on the side.

  Furthermore, the first terminal block 20 or the second terminal block 30 can be stored in the storage portions 600 and 610 provided in the direction in which the cable 17 is pulled out after being separated from the base 40.

  Furthermore, by fastening the screws, the first terminal block and the second terminal block are fixed to the base, so that the ground resistance can be reduced.

  As mentioned above, although the invention made | formed by this invention was concretely demonstrated based on embodiment, this invention is not limited to the said embodiment, It can change variously in the range which does not deviate from the summary. Needless to say.

10, 11 terminal 17 cable 20 first terminal block 28 first blocking wall 29, 39 fixing portion 30 second terminal block 38 second blocking wall 40 base 49 base fixing screw 51, 52, 53, 54 screw 60 wrapping terminal 70 Signal lines 80 and 81 Conductor portions 90 and 91 Fitting portion 100 Terminal block 200 Relay unit 300 Plant control panel

Claims (6)

A terminal block having a base fixed to the device, a first terminal block and a second terminal block connected to another device via a cable and further fixed to the base;
The terminal block, wherein the cable drawn from the first terminal block is drawn from a direction opposite to the cable drawn from the second terminal block. The terminal block according to claim 1,
The base is provided with a plurality of wrapping terminals,
The first terminal block and the second terminal block are provided with conductor portions at predetermined intervals in the longitudinal direction,
A terminal block in which an upper surface of the conductor portion is provided with a fixing portion for fixing a terminal provided at a tip of the cable, and a lower end is provided with a fitting portion to be fitted with the wrapping terminal. The terminal block according to claim 2,
The wrapping terminal and the fitting portion are terminal blocks that are slidably fitted. The terminal block according to claim 2 or 3,
The first terminal block is formed with a first blocking wall that surrounds a direction other than the direction in which the cable of the fixing portion is pulled out by a plane orthogonal to a horizontal plane,
The second terminal block is formed with a second blocking wall that surrounds a direction other than the direction in which the cable of the fixing portion is pulled out by a plane orthogonal to the horizontal plane,
The second terminal block side surface of the first blocking wall and the first terminal block side surface of the second blocking wall are fixed to the first terminal block side fixing portion and the second terminal block side fixing. Terminal block that cuts off the part. In the terminal block as described in any one of Claims 2-4,
The first terminal block or the second terminal block is a terminal block that is separated from the base and is then housed in a housing provided in a direction in which the cable is pulled out. In the terminal block as described in any one of Claims 1-5,
A screw inserted into a screw hole formed in the base through a screw hole formed in the first terminal block;
A screw inserted into a screw hole formed in the base through a screw hole formed in the second terminal block;
A terminal block in which the first terminal block and the second terminal block are fixed to the base by tightening the screws.

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