JPH09245909A - Power supply device for inverter type sign light - Google Patents

Abstract

PROBLEM TO BE SOLVED: To turn on and off a power supply device for a sign light of inverter type individually and facilitate the inspecting operations by connecting power wires with the body of an inverter transformer through a connector so that and removal can be made any as desired. SOLUTION: A power supply device 1 for a sign light of inverter type includes an inverter transformer, and its body 2 is fitted with secondary output wires 3A, 3B whose outputs are boosted and a first connector 4A. To this first connector 4A, a second connector 4B is installed removably. One-side ends of power wires are connected through the second connector 4B.

Description

Detailed Description of the Invention

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention increases the frequency of a commercial power source by an inverter, boosts the high-frequency AC voltage with a transformer, and applies the voltage to a sign lamp such as a neon tube or an argon tube. To light up.

2. Description of the Related Art When installing a power supply device for a sign light, the extension regulations issued by the Japan Electric Association require that each power supply device for a sign light be equipped with a means for individually conducting a power test. There is. Therefore, in a power supply device for a sign light using a conventional wound type transformer, a switch such as a cutout is provided integrally with the transformer body for use. Further, in recent years, neon sign display has become mainstream to perform complicated display using a plurality of sign lights, and accordingly, the number of sign light power supply devices used is also increasing compared to before. Therefore, compared with the conventional sign light power supply device, the inverter type sign light power supply device, which is significantly smaller and lighter, is often used for the neon sign display in recent years. In the inverter type sign light power supply device, the control of the inverter can be easily performed by a blinking signal, a dimming signal, etc. transmitted from the outside of the inverter transformer body by a signal line, so that a power controller for controlling the power supply power is not required. . However, the power supply device for the inverter type sign light does not have a switch integrated with the transformer body. Therefore, as described above, it is necessary to separately provide a switch for each sign light power supply device, so to install a large number of sign light power supply devices in a small space,
There was a problem that there was no installation space for the switch.
Especially when using the inverter type power supply for sign light,
Even if the space occupied by the transformer main body becomes small, the space for the switch is required separately, so the merit of downsizing could not be fully utilized compared to the conventional power supply device for sine light using a wire-wound transformer. Moreover, since it is necessary to provide a plurality of switches, the time and cost required for the installation work have been a problem. Further, the conventional inverter type sign light power supply device has a structure in which the power supply line and the signal line are fixed to the sign light power supply by soldering or the like, and the fixing portion is embedded in the filling material. There is also a problem that when replacing the power supply device for use, the usable power supply line and signal line must be discarded together. In addition, when replacing the power supply device for sign light, the problem is that the power supply device for sign light malfunctions due to incorrect wiring of the signal line or reverse wiring of the live line and the ground line of the power line. Was becoming.

SUMMARY OF THE INVENTION It is an object of the present invention to install a plurality of inverter type sign light power supplies, which are indispensable for complicated neon sign display, in a limited space. It is to open and close the power supply individually so that inspection work can be performed easily. Another object of the present invention is to provide an inverter type sign light power supply device that prevents miswiring of signal lines and power supply lines.

According to a first aspect of the present invention, there is provided a power supply device for an inverter type sine light, comprising a first connector provided on an inverter transformer body and a second connector provided on a power supply line. The inverter coupling body and the power supply line are detachably connected by the one coupling means. According to a second aspect of the present invention, in the power supply device for an inverter type sine light, the inverter transformer main body is provided by the second coupling means including the third connector provided on the inverter transformer body and the fourth connector provided on the signal line. And the signal line are detachably connected. According to a third aspect of the present invention, in the power supply device for an inverter type sine light, the inverter transformer main body and the power supply are connected to each other by the coupling means including the first connector provided in the inverter transformer main body and the second connector provided in the power supply line. The line is connected, and the inverter transformer main body and the signal line are detachably connected by the coupling means including the third connector provided on the inverter transformer main body and the fourth connector provided on the signal line. According to the invention of claim 4, in the power supply device for an inverter type sign light, the first connector and the third connector provided in the inverter transformer body are integrally formed. According to the invention of claim 5, in the power supply device for an inverter type sign light, the second connector provided on the power supply line and the fourth connector provided on the signal line are integrally formed. According to a sixth aspect of the present invention, in the power supply device for an inverter type sign light, a means for discriminating between a live line and a ground line of the power line is a first connector provided in the inverter transformer body and a second line provided in the power line. Provided on the connector.

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing an embodiment of the invention of claim 1. In the inverter transformer main body 2 of this inverter type sign light power supply device 1, the secondary side output line 3
A, 3B and the first connector 4A are provided. The power supply lines 5A and 5B are connected to the first connector 4A provided on the inverter transformer body 2 through the second connector 4B. The first connector 4A and the second connector 4B are
The second connector 4B is molded from an electrically insulating resin or the like, and as shown in FIG. 2, the second connector 4B is detachable from the first connector 4A. On the inner right upper surface of the first connector 4A, there is provided a recess showing the live side of the power supply line. On the outer right upper surface of the second connector 4B, a convex portion showing the live side of the power supply line is provided. FIG. 3 is a perspective view showing an embodiment of the invention of claims 2 and 3. The inverter transformer main body 2 of the inverter type sign light power supply device 1 is provided with secondary output lines 3A, 3B, a first connector 4A and a third connector 12A. The power supply lines 5A and 5B are connected to the first connector 4A provided in the inverter transformer body 2 through the second connector 4B, and the third connector 12A is connected.
To the signal lines 13A, 13A through the fourth connector 12B.
One ends of B and 13C are connected. The signal lines 13A, 1
The other ends of 3B and 13C are connected to the inverter 9 in the inverter transformer body 2. The signal line 13A is a signal line for transmitting an input signal to the inverter 9, and transmits an ON / OFF signal and a dimming signal to the inverter. The signal line 13B is a signal line for transmitting an output signal from the inverter 9, and transmits an inverter state, for example, an abnormal signal such as an overcurrent or a tube crack. The signal line 13C
Is a common line of the input line and the output line. FIG. 4 is a perspective view showing an embodiment of the invention of claim 4, wherein the first connector 4
A and the third connector 12A are integrally formed. FIG. 5 is a perspective view showing an embodiment of the invention of claim 5, wherein the second connector 4B and the fourth connector 12B are integrally formed. A wiring diagram is shown in FIG. The commercial power line 6 is connected to the power supply lines 5A and 5B through the switch 7, and the commercial power from the commercial power supply 8 is the commercial power line 6, the switch 7, the power supply lines 5A and 5B, the second connector 4B, and the first connector 4A. Is input to the rectifier circuit 8 in the inverter transformer body 2. The output rectified by the rectifying circuit 8 is converted by the inverter 9 into AC power having a frequency higher than the frequency of commercial AC power, for example, about 20 KHz,
The AC output of the inverter 9 is boosted by the transformer 10,
It is output between the secondary side output terminals 3A and 3B. The boosted output is applied to the sign lamp 11 connected to the secondary side output terminals 3A and 3B to light the sign lamp 11. When a plurality of inverter type sign light power supply devices are used, the power supply line 5A connected to the switch 7 serves as a crossover wiring and is connected to each inverter type sign light power supply device 1. When conducting an energization test or an earth leakage test at the time of installation,
Connect only the first connector and the second connector to the inverter type sign light power supply device to be tested, and test the other inverter type sign light power supply devices with the first connector and the second connector removed. To do. When testing another power supply device for inverter type sign light, connect the connector of the power supply device for inverter type sign light, disconnect the connector of the power supply device for inverter type sign light that has been tested, and then perform the test.

As described above, according to the first aspect of the present invention, since the power supply lines 5A and 5B and the inverter transformer main body are detachably connected by the connector, a plurality of power sources for inverter type signature lights are required. Even when the neon sign is displayed, the number of switches can be one.
Therefore, it is not necessary to secure a space for a plurality of switches, and thus a plurality of inverter type sign light power supply devices can be installed in a limited space. Further, since the power supply can be opened and closed individually by attaching and detaching the connector, it is possible to easily perform the energization test and the leakage test individually for the plurality of inverter type sign light power supply devices. Furthermore, if the inverter type sign light power supply device fails for some reason, the connector of the failed inverter type sign light power supply device can be cut off and replaced with a normal inverter type sign light power supply device. In this case, since the power supply lines 5A and 5B can be used as they are before the replacement, the wiring work is easy and the power supply lines can be replaced at a low cost. According to the inventions of claims 2 to 4, the signal lines 13A, 13B, 13C are provided.
Since the inverter and the main body 2 of the inverter transformer are connected by the connector, the power supply device 1 for the inverter type sign light is provided.
When installing, it is possible to prevent erroneous wiring of the signal line 13. When the inverter type sign light power supply device 1 is replaced, the signal line 13 can be used as it is before replacement. According to the invention of claim 5,
The power supply lines 5A, 5B and the signal lines 13A, 13B, 13C can be connected to the inverter transformer main body 2 with one touch. In the invention of claim 6, a concave portion showing the live line side of the power line is provided on the inner right upper surface of the first connector 4A, and a convex portion showing the live line side of the power line is provided on the outer right upper surface of the second connector 4B, Since the live line side and the ground line side cannot be connected to each other, it is possible to prevent erroneous wiring of the power line.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a view showing an embodiment of the invention of claim 1 and is a view showing a use state of the coupling member.

FIG. 3 is a view showing an embodiment of the invention of claim 2 or claim 3 and is a view showing a use state of the coupling member.

FIG. 4 is a view showing an embodiment of the invention of claim 4 and is a view showing a use state of the coupling member.

FIG. 5 is a view showing an embodiment of the invention of claim 5 and is a view showing a use state of the coupling member.

FIG. 6 is a wiring diagram showing an embodiment of the invention of claim 4;

Claims (6)

[Claims] 1. A power supply device for an inverter type sine light, wherein an inverter transformer main body and a power supply are provided by a first coupling means composed of a first connector provided on the inverter transformer main body and a second connector provided on a power supply line. A power supply device for an inverter type sign light, which is detachably connected to a wire. 2. The inverter type power supply device for a sine light according to claim 1, wherein the inverter coupling body and the signal are provided by a second coupling means composed of a third connector provided on the inverter transformer body and a fourth connector provided on the signal line. A power supply device for an inverter type sign light, which is detachably connected to a wire. 3. The power supply device for an inverter type sine light according to claim 1, wherein the first connecting means composed of a first connector provided on the inverter transformer main body and a second connector provided on the power supply line, the inverter transformer main body and the power supply. The third line that is detachably connected to the wire and is installed in the inverter transformer body.
An inverter type sign light power supply device characterized in that the inverter transformer main body and the signal line are detachably connected by a second coupling means composed of a connector and a fourth connector provided on the signal line. 4. The power supply device for an inverter type sign light according to claim 3, wherein the first connector and the third connector are provided.
A power supply device for an inverter type sign light, which is integrated with a connector. 5. The power supply device for an inverter type sine light according to claim 4, wherein the second connector and the fourth connector are provided.
A power supply device for an inverter type sign light, which is integrated with a connector. 6. The inverter-type sign light power supply device according to any one of claims 1 to 5, wherein the first connector provided in the inverter transformer body has means for discriminating between a live line and a ground line of the power line. And a power supply device for an inverter type sign light, wherein the power supply device is provided on a second connector provided on the power supply line.