KR20070107930A - Plate type lamp display device for warning window - Google Patents

Abstract

A plate type lamp display device for a warning window is provided to prolong a life time of a lamp for the warning window and to reduce electricity consumption by maintaining brightness uniformly. A plate type lamp display device for a warning window includes a backplane printed circuit board(40), a case unit(60), and a plate light emission unit(20). The backplane printed circuit board supplies power during installation of a plurality of warning windows on which a plurality of sockets for power(42), a respective spacer(44) among the sockets for power, and a socket for power of external input are installed. The case unit is fixed to the spacer and a case cover(64) is combined with the entire surface of a case body(62) to be opened. The case unit also includes a display window(66) installed on the case cover, and a space unit(68). The pate light emission unit includes a connector(24) for power, a plurality of chip light emission diodes(26), a plurality of resistances, a capacity, and a hole for catching.

Description

Plate type lamp display device for warning window

1 is a full exploded perspective view showing the present invention

2A to 2D are front, back, top, and left side views of the backplane printed circuit board of FIG. 1, respectively.

3A to 3C are plan views, front views, and right side views respectively showing the case parts of FIG.

4A to 4D are a front view, a plan view, a rear view, and a right side view of the flat light emitting unit of FIG. 1, respectively.

Explanation of symbols on the main parts of the drawings

100; Alarm window 20; Flat panel light emitter

22; Printed circuit board 24; Power connector

26; Chip light emitting diode 28; resistance

30; Capacitor 32; Gripping

34; Concave groove 40; Backplane Printed Circuit Board

42; Power socket 44; Spacer

46; Socket 60 for external input power; Case part

62; Case body 64; Case cover

66; Display window 68; Space

70; Support

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat lamp display device for an alarm window. More particularly, the lamp lighting state and brightness are always kept constant and evenly on the entire surface of an alarm window installed in a main control room such as a power plant. I would have to.

In general, in various industrial fields such as nuclear power plants, factories, ships, etc., a main control room is provided for the operator to comprehensively understand the operating status of the corresponding equipment and to efficiently deal with emergencies such as failures. The main control room, which is an important alarm facility, is provided with a plurality of alarm windows for indicating whether the facility is in normal operation. Each alarm window emits light for easy identification from the outside. A circular filament bulb is installed and used as a lighting means.

However, since the circular filament bulb installed in such a conventional alarm window is shaded at the corners of the alarm window when it is turned on, the operator may not be able to maintain the same lighting state and brightness in the entire state of the alarm window, and thus the operators may have letters engraved on the alarm window. It is difficult to identify them, which causes inconvenience, which increases the fatigue of the operator, which adversely affects safe driving. In addition, conventional filament bulbs consume a lot of electricity as well as a short service life. Since the filament bulb has a high heat generation temperature during lighting, an expensive alarm window case having heat resistance capable of withstanding a temperature of about 250 ° C. or higher has to be used, thereby increasing installation costs.

In particular, the conventional filament bulb is a power supply is supplied through the bulb socket, so frequent contact failures occur, and there is a safety problem such as adversely affect the system due to physical short-circuit, when replacing the filament bulb In addition to the accident, in fact, in domestic nuclear power plants, there are many problems such as sudden stoppage caused by socket short circuit during filament bulb replacement work, resulting in enormous economic loss.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, the present invention can always maintain a constant and even lamp lighting state and brightness on the entire surface of the alarm window installed in the main control room, such as power plants. The purpose of the present invention is to provide a flat lamp display device for an alarm window that can reduce the fatigue of the operator to improve work efficiency and contribute to safe driving.

Another object of the present invention is to significantly improve the lamp service life of the alarm window, and also to significantly reduce the electricity consumption, so that easy maintenance and maintenance management can significantly reduce the maintenance and maintenance management costs, instantaneous light emission An object of the present invention is to provide a flat lamp display for an alarm window that can realize various colors.

In order to achieve the above object, the present invention is provided with a plurality of power sockets at equal intervals on the front, each of which is provided with a spacer in the center between the power sockets, and an external input power socket is installed on one side of the rear to install a plurality of alarm windows. A backplane printed circuit board for supplying power to the case, a case part fixed to the spacer, a case cover coupled to the front of the case body so as to be openable and closed, a display window is installed on the case cover, and a space part formed behind the case body; And a power connector inserted into the case body and inserted into and connected to a power socket of a backplane printed circuit board at a rear side of the printed circuit board and illuminated by external control signals on the front of the printed circuit board to emit light. A plurality of chip light emitting diodes for attaching the printed circuit board A plurality of resistors are attached to adjust the brightness of the light emitted through the chip light emitting diode with respect to the voltage supplied to the lower part, and test the soundness of the operating state on the rear upper part of the printed circuit board and at the same time, when the noise occurs, This is provided with a flat lamp display device for an alarm window, characterized in that the capacitor is attached to prevent the phenomenon consists of a flat light emitting unit is formed in the center of the printed circuit through hole for holding.

In addition, a support piece into which a recess is formed in the center of the outer circumferential surface of the printed circuit board is inserted into the center of the inner circumferential surface of the case body.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention for achieving the above object will be described in detail.

1 is an exploded perspective view showing the present invention, Figures 2a to 2d is a front view, a back view, a plan view and a left side view of the backplane printed circuit board of Figure 1, respectively, Figures 3a to 3c is a case of Figure 1 4A to 4D are a front view, a plan view, a back view, and a right side view respectively showing the flat light emitting part of FIG.

The flat panel lamp display device for an alarm window installed in a main control room such as a power plant of the present invention has a front surface of a backplane printed circuit board 40 for supplying power to the flat panel light emitting unit 20 when a plurality of alarm windows 100 are installed. A plurality of power sockets 42 are inserted into and connected to the power supply connector 24 installed at the rear of the printed circuit board 22 of the flat panel light emitting unit 20 at equal intervals, and between the power sockets 42. Spacers 44 are provided at the center of each of the case parts 60 for inserting and supporting the flat panel light emitting part 20 using fastening members such as bolts or nuts, respectively, and the backplane printed circuit board 40 is provided. The rear side of the socket 46 for the external input power is installed.

In addition, a plurality of chip light emitting diodes 26 may be attached to a front surface of the printed circuit board 22 of the flat panel light emitting unit 20 so as to be lit by an external control signal and emit light. A plurality of resistors 28 are attached to a rear lower portion of the printed circuit board 22 to adjust a brightness of light emitted through the chip light emitting diodes 26 with respect to a supplied voltage. A capacitor 30 is attached to test the integrity of the operating state and to prevent the chip light emitting diode 26 from flickering when noise is generated. In the center of the printed circuit board 22, a gripping ( I) Through holes 32 are formed.

In addition, a case cover 64 is coupled to the front of the case body 62 constituting the case part 60 for inserting and supporting the flat light emitting part 20 so as to be openable and close to the case cover 64. A display window 66 is installed, and a space portion 68 is formed at the rear of the case body 62, and the printed circuit board 22 of the flat light emitting portion 20 is formed at the center of the inner circumferential surface of the case body 62. The support piece 70 into which the recessed groove 34 formed in the center of the outer circumferential surface is inserted is formed to protrude.

1 to 4D, the present invention configured as described above, when installing a flat lamp display device for an alarm window provided with a plurality of alarm windows 100 in the main control room such as a power plant, first, the backplane The case cover 64 coupled to the front surface of the case body 62 of the case part 60 to the spacer 44 provided in the center between the power sockets 42 installed on the front surface of the printed circuit board 40. After opening to match the rear center of the case body 62, according to the shape of the spacer 44, that is, if a bolt is formed at the end of the spacer 44, or with a nut, or of the spacer 44 When a nut is formed at the end, the case body 62 is fixed to the end of the spacer 44 using a bolt.

Then, the flat panel light emitting unit 20 is inserted into the case body 62 to connect the power supply connector 24 installed at the rear of the printed circuit board 22 of the flat panel light emitting unit 20 to the case body 62. After inserting and connecting to the power socket 42 of the front of the backplane printed circuit board 40 through the space 68 in the rear to close the case cover 64 coupled to the front of the case body 62 The alarm window 100 can be easily installed in a manner.

In this case, each support piece 70 protrudes from the center of the inner circumferential surface of the case body 62, and corresponds to the support piece 70 at the center of the outer circumferential surface of the printed circuit board 22 of the flat panel light emitting unit 20. Since the concave groove 34 is formed, the flat light emitting part 20 can be easily and accurately inserted into the case body 62 due to the support piece 70 and the concave groove 34.

In addition, since a plurality of chip light emitting diodes 26 are illuminated on the front surface of the printed circuit board 22 of the flat panel light emitting unit 20 as light emitting means to emit light by an external control signal. Lamp lighting state and brightness can be maintained at a constant and even state on the entire surface of the 100 at all times to reduce the fatigue of the operator can improve the work efficiency and contribute to safe driving.

In addition, the lamp service life of the alarm window 100 can be significantly improved in comparison with the conventional filament bulb, and the electricity consumption can be greatly reduced, so that the maintenance and maintenance management is easy, thereby greatly reducing the maintenance and maintenance management costs. It can be reduced, and it is possible to implement a variety of colors on the fly when emitting.

As described above, the present invention can maintain a constant and even state of the lamp lighting state and brightness on the entire surface of the alarm window installed in the main control room such as a power plant to reduce the fatigue of the operator to improve the work efficiency It can not only contribute to safe operation, but also greatly improve the lamp service life of the alarm window, and can greatly reduce electricity consumption, which greatly reduces maintenance and maintenance management costs. In addition, the present invention is a very useful invention that greatly improves the efficiency and reliability of the device because it is provided with many advantages such as to implement various colors on the fly.

Claims (2)

A plurality of power sockets 42 are installed at equal intervals on the front, and a spacer 44 is installed in the center between the power sockets 42, and an external input power socket 46 is installed on one side of the rear, and thus a plurality of alarm windows. A backplane printed circuit board 40 for supplying power when installing 100, The case cover 64 is fixed to the spacer 44, and the case cover 64 is coupled to the front of the case body 62 so that the display window 66 is installed on the case cover 64. A case part 60 in which the part 68 is formed, The power connector 24 is inserted into the case body 62 and inserted into and connected to the power socket 42 of the backplane printed circuit board 40 at the rear of the printed circuit board 22. A plurality of chip light emitting diodes 26 are attached to a front surface of the front panel 22 to emit light, and the chip light emitting diodes 26 are provided with respect to a voltage supplied to the rear lower portion of the printed circuit board 22. A plurality of resistors 28 are attached to adjust the brightness of the light emitted through the device, and the integrity of the chip light emitting diodes 26 may be flickered when noise is generated while testing the health of the operating state on the rear upper portion of the printed circuit board 22. Is a flat panel lamp display device, characterized in that consisting of a flat light emitting unit 20 is attached to the capacitor 30 to prevent the phenomenon is formed in the center of the printed circuit board 22 for holding the gripping 32 . The support piece 70 of claim 1, wherein the support piece 70 is formed at the center of the inner circumferential surface of the case body 62 to insert the recessed groove 34 formed in the center of the outer circumferential surface of the printed circuit board 22 of the flat panel light emitting part 20. Flat lamp display device for an alarm window, characterized in that.

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