JPH0919006A - Mosaic-type monitoring panel - Google Patents

Abstract

PURPOSE: To easily wire a mosaic-type monitoring panel wherein a light emitting diode and a resistor are formed into a unit and light emitting faces of many units are separately arranged on the surface and thereby a change in state of each unit can be indicated by light emittion. CONSTITUTION: An LED indication lamp 16 and a resistor 17a are serially connected to a main body 17. One end of the LED indication lamp 16 is connected to a negative pole of a power supply of the voltage V through a switch S and a positive pole of the power supply is connected to one end of the resistor 17a through a contact pin 1 which is fastened to the main body 17 and one layer of a multilayer printed wiring board 5. The mechanism is such that light is emitted when the switch S is closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mosaic type monitoring panel composed of a large number of luminous bodies.

[0002]

2. Description of the Related Art FIG. 8 shows a mosaic type monitoring panel 11 which is a typical example of a mosaic type distribution panel. (A) is a front view having a monitoring surface 12 capable of monitoring the operating state of a plant, etc. It is a side view. FIG. 9 is a perspective view illustrating the structure of the monitoring surface 12. The mosaic block 14 is a structure fixed to the grid 13 together with the illumination filter 15, and the inside of the panel is an abbreviation of LED (Light Emitting Diode).
A body 17 integrated with a light indicator 16 is fixed to the mosaic block 14, and electric power is supplied to the LED indicator 16 via the connector 18.

FIG. 10 is a structural explanatory view of a conventional example of a mosaic type monitoring panel. As shown in FIG. 9, a grid 13 and a mosaic are attached to a frame 19 assembled to a frame 22 and fixed by a mounting bracket 20 and bolts 21. Block 14, Illumination filter 1
5, the LED indicator lamp 16 and the main body 17 are incorporated, and the connector 18 with the electric wire 18a housed in the wiring duct 23 is connected. Then, a plurality of LED indicator lamps 16 are lit simultaneously or individually.

[0004]

In the example described in the prior art, it is troublesome to process a large number of electric wires connected to a connector and store them in a wiring duct, and a wiring terminal for simultaneously lighting a plurality of wires. Treatment was also required. Furthermore, when the position of the mosaic block is changed, the wiring has to be changed according to the position.

An object of the present invention is to provide a mosaic type monitoring panel which does not require this troublesome wiring work.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a plurality of units each including a light emitting diode are placed one by one on a grid, and the status of the monitoring range is displayed by lighting by supplying electric power. Power is supplied for each lighting type through a conductive layer of a multilayer printed wiring board that is installed in parallel on the back surface of the monitoring board. Further, according to the present invention, in the monitoring board according to claim 1, the multilayer printed wiring board is provided with a connector capable of contacting a contact pin of a unit for each area of the unit to be fixed at a position determined for each conductive layer, The unit has a structure in which a contact pin capable of conducting an electric current is provided at a position defined for each conductive layer in the unit area of the multilayer printed wiring board.

Further, according to the present invention, in the monitoring board according to claim 1, the multilayer printed wiring board is a through hole in which a contact pin of the unit can be contacted at a position determined for each conductive layer for each area of the unit to be fixed. And the unit is
This is a structure in which a contact pin having an elastic portion on the insertion side is provided at a position defined for each conductive layer in the unit area of the multilayer printed wiring board so as to conduct current and always come into contact with the through hole. Further, according to the present invention, in the monitoring panel according to any one of claims 1 to 3, the unit has a conductive portion capable of contacting the grid, and the grid is conductive, and a part of a circuit for supplying power to the light emitting diode. It is a structure that makes up.

[0008]

According to the present invention, electric power for each lighting type of the light emitting diode can be supplied from the same conductive layer of the multilayer printed wiring board instead of individual wiring. Further, according to the present invention, the multilayer printed wiring board is provided with a connector that allows contact pins of the unit to come into contact with each other at a fixed position for each conductive layer for each area of the diode-containing unit that is fixed, and the unit has a multilayer printed wiring board Since a contact pin capable of conducting an electric current is provided at a position determined for each conductive layer in the unit area and fitted with a connector, electric power for each lighting type can be supplied to the diode through the multilayer printed wiring board.

Further, according to the present invention, through-holes through which the contact pins of the unit can be brought into contact with each other at a predetermined position for each conductive layer are provided in each area of the diode-containing unit fixedly placed on the multilayer printed wiring board, and the unit is provided with the multilayer printed board. Electric power for each lighting type because the elastic part that can always contact the through hole is provided on the insertion side at the position defined for each conductive layer in the unit area of the wiring board, and the contact pin that conducts current is provided and fitted with the through hole. Are supplied to the diode through the multilayer printed wiring board.

Further, according to the present invention, since the conductive portion of the board into which the unit is fitted is used as a common path for the diode lighting circuit, one layer of the multilayer printed wiring board can be used for lighting other diodes without being a common path. .

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an explanatory view of an embodiment of the present invention. L
One end of the ED indicator lamp 16 is connected to the resistor 17a and the main body 1
7 is unitized, and a part of the unit is electrically connected to the conductive grid 13 and connected to the switch S. Body 17
The contact pin 1 electrically connected to the resistor 17a at the rear part is electrically connected to one layer of the multilayer printed wiring board 5 and connected to the power supply V. When switch S is closed in this state, current flows and LE
The D indicator lamp 16 lights up. When there are two LED indicators and two resistors, the number of contact pins 1 is two and the multilayer printed wiring board 5 is used.
The two layers of are used separately.

FIG. 2 is a view for explaining the electrical continuity between the LED indicator light and the grid 13, and the grid of the mosaic block 14
A conductive part 4 is provided at a position in contact with 13
It is electrically connected to the ED indicator light so that a part of the grid 13 can be connected to the negative electrode (-mark in the figure) of the power source. Needless to say, the grid may not be used when the number of layers of the multilayer printed wiring board is larger than the number of lighting types.

FIG. 3 is an explanatory view of an embodiment of the present invention, in which the grid 13 is fixed to the frame 22 and the LED indicator lamp 16 is provided.
The contact pins of the main body 17 integrated with the multi-layer printed wiring board 5
It is fitted with the connector 3 fixed to. The terminals of the connector 3 are electrically connected to the respective layers of the multilayer printed wiring board 5, and the contact pins of the main body 17 (not shown) are electrically connected to the terminals of the connector 3 at the predetermined positions.
According to this structure, the dimension L from the end of the frame 22 to the front surface of the board can be made shorter than that in FIG.

FIG. 4 is a perspective view of an essential part of another embodiment of the present invention. In a multilayer printed wiring board 5 having a large number of mosaic areas 5a and a number of layers N, a large number of through holes 5t and power transmission pins. 6 is provided. The through hole 5t is defined to correspond to each layer of the multilayer printed wiring board 5 in one mosaic area 5a, and can be fitted with the contact pin 2 of the main body 17. In addition, the power transmission pin 6 also corresponds to each layer of the multilayer printed wiring board, and the electric power is supplied to the LED through each layer.
Can be supplied to indicator lights. In this figure, even if voltages are applied to the N power transmission pins, the voltage of the second layer is transmitted from the contact pins 2 to the main body 17.

FIG. 5 is a perspective view showing the structure of the contact pin according to the present invention. There are N contact pin holes 2h in a part of the main body 17, and the contact pin 2 corresponds to the through hole 5t in FIG. It can be fitted with the number 2 and is fixed so as to endure the insertion / removal of FIGS. 3 and 4, and is connected to an internal circuit (not shown) inside the main body of the contact pin 2. FIG. 6 is a diagram for explaining the pattern of the multilayer printed wiring board according to the present invention. For the sake of clarity, each layer of the multilayer printed wiring board 5 is penetrated and a part of the through holes 5t numbered 1 to 5 is drawn. There is. Body 1
The contact pin 2 fixed to 7 is a defined through hole 5
t, and the contact pin of FIG. 5 can be fitted with the number 2. The through holes 5t of the same number for each mosaic area described in FIG. 4 are all connected by the same pattern 5b and connected to the power transmission pin 6.

FIG. 7 is an explanatory view of the contact pin of the present invention. When the contact pin 2 having the slit 2a in the main body 17 is inserted into the through hole 5t with the conductive film of the multilayer printed wiring board 5, the spring of the slit 2a is formed. Depending on the sex, electrical conduction can be achieved and at the same time it can be a retainer.

[0017]

According to the invention of claim 1, since the multilayer printed wiring board is used in place of the wiring of a large number of electric wires, the individual wiring and the duct wiring on the back surface of the board can be omitted, and the wiring space is reduced to reduce the board space. A switchboard with a small depth can be provided. Further, according to the invention of claim 2, it is possible to provide a switchboard in which a plurality of indicator lights can be simultaneously turned on for each layer and wiring change is not required even if the mosaic block is moved to another position.

According to the third aspect of the present invention, since the connector is omitted in addition to the above, it is possible to provide a switchboard having a smaller depth. According to the invention of claim 4, in addition to the above-mentioned claims, it is possible to save one layer of the multilayer printed board, and to provide a switchboard that makes the multilayer printing cheaper as the number of layers increases and the cost increases.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of an embodiment of the present invention.

FIG. 2 is a perspective view of an embodiment of the present invention.

FIG. 3 is an explanatory diagram of an embodiment of the present invention.

FIG. 4 is a perspective view of another embodiment of the present invention.

FIG. 5 is a structural perspective view of the contact pin of the present invention.

FIG. 6 is an explanatory view of a pattern of the multilayer printed wiring board according to the present invention.

FIG. 7 is an explanatory view of a contact pin of the present invention.

8 (a) is a front view and FIG. 8 (b) is a side view of a mosaic type monitoring panel according to the present invention.

FIG. 9 is a structural perspective view of a conventional example of a mosaic type monitoring panel.

FIG. 10 is a structural explanatory view of a conventional example of a mosaic type monitoring panel.

[Explanation of symbols]

 1 Contact Pin 3 Connector 5 Multilayer Printed Wiring Board 5t Through Hole 6 Power Transmission Pin 11 Mosaic Monitoring Board 13 Grid 16 LED Indicator Light 17 Main Body 18 Connector 18a Electric Wire 23 Wiring Duct

Claims (4)

[Claims] 1. A monitoring panel in which a large number of units each including a light emitting diode are placed one by one on a grid, and the status of a monitoring range is displayed by lighting by supplying power, in which power is supplied for each lighting type of the light emitting diode. , Mosaic type monitoring board characterized by a structure through a conductive layer of a multilayer printed wiring board installed in parallel with the back surface of the monitoring board. 2. The monitoring board according to claim 1, wherein the multi-layer printed wiring board is provided with a connector that allows contact pins of the unit to contact at a predetermined position for each conductive layer for each area of the fixed unit, The unit is a mosaic type monitoring board characterized by a structure in which a contact pin capable of conducting an electric current is provided at a position defined for each conductive layer in a unit area of a multilayer printed wiring board. 3. The monitoring board according to claim 1, wherein the multilayer printed wiring board is provided with through holes for contacting the contact pins of the unit at a predetermined position for each conductive layer in each area of the unit to be fixed. , The mosaic type monitoring is characterized in that the unit has a contact pin with an elastic portion on the insertion side that has an elastic part that can conduct current and can always contact the through hole at a position defined for each conductive layer in the unit area of the multilayer printed wiring board. Board. 4. The monitoring panel according to claim 1, wherein the unit has a conductive portion that can come into contact with the grid, and the grid is conductive and is a circuit for supplying power to the light emitting diode. Mosaic type monitoring panel characterized by being a part.