JPH0615217U - lighting equipment - Google Patents

Abstract

(57) [Abstract] [Purpose] To prevent power supply under no-load condition and shorten the wiring inside the equipment. [Structure] The lamp 1 is detachably attached to the fixture body 2.
The instrument body 2 is provided with an interlock switch 4 for opening and closing the electric path between the power source 8 and the ballast 5 between both sockets 3. The lamp 1 presses the operator 4a of the interlock switch 4 on the outer peripheral surface of the tube wall when the lamp 1 is attached to the instrument body 2, and turns on the interlock switch 4.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lighting device having an interlock switch inserted between a lighting device and a power source in order to prevent power from being supplied to the lighting device in a no-load state where the lamp is removed from the main body of the lighting device. It is a thing.

[0002]

[Prior art]

 As a conventional luminaire of this type, as shown in FIG. 5, one in which an interlock switch 4 is built in one of the sockets 3 provided at both ends of the luminaire body 2 is provided. That is, as shown in FIG. 6, the socket 3 is provided with the operator 4a of the interlock switch 4 in the opening for receiving the lamp base, and when the lamp is mounted on the socket 3, the operator 4a is pressed by the lamp base. By doing so, the interlock switch 4 is turned on. As shown in FIG. 7B, the interlock switch 4 is inserted between the ballast 5 as a lighting device and the power source 8 so that the lamp 1 can be supplied with power when turned on. Also, the ballast 5 should not be energized when the lamp 1 is unloaded from the socket 3.

By the way, the luminaire is generally provided with a terminal block 7 (see FIG. 7A) for connecting a power line, and the socket 3 and the ballast 5 are connected to the terminal block 7 via a connecting line. Target. Therefore, in the above-mentioned configuration, as shown in FIG. 7 (a), there are five connecting lines in the device, one between the socket 3 and the ballast 5, one between the ballast 5 and the terminal block 7, A total of 7 connecting wires are required between the socket 3 and the terminal block 7. That is, since the primary side wiring of the stabilizer 5 is routed from the terminal block 7 to the socket 3, the total length of the connecting wire in the device becomes relatively long, and the wiring work is troublesome and the assembly work is troublesome. There is a problem.

On the other hand, as shown in FIGS. 8 and 9, there has been proposed a configuration in which the interlock switch 4 is provided separately from the socket 3 (Japanese Utility Model Publication No. 59-2097). The interlock switch 4 is arranged between the sockets 3 in the instrument body 2 and opens and closes the electric path between the terminal block 7 connected to the power source 8 and the input side of the ballast 5, as shown in FIG. When the lamp 1 is mounted in the socket 3 as shown in FIG. 9A, the operating element 4a is pressed against the outer peripheral surface of the lamp 1 to turn on. In this configuration, since the interlock switch 4 is provided separately from the socket 3, it is not necessary to route the primary side wiring of the ballast 5 to the socket 3, and the interlock switch 4 may be incorporated in the socket 3. It is possible to shorten the connecting line.

[0005]

[Problems to be solved by the device]

 However, as shown in FIG. 8, there are four connecting wires in the fixture between the lamp 1 and the ballast 5, one between the terminal block 7 and the ballast 5, and one between the terminal block 7 and the interlock switch. There is one cable between the switch 4 and the ballast 4, and there is one cable between the interlock switch 4 and the ballast 5, which makes a total of 7 cables. The problem of becoming still remains.

The present invention has been made in view of the above problems, and an object of the present invention is to reduce the total number of connecting wires in a device and thereby reduce the total length of the connecting wires. It is to provide a lighting device that facilitates work.

[0007]

[Means for Solving the Problems]

 According to the present invention, in order to achieve the above object, an interlock switch inserted between a lighting device and a power source is provided in the main body of the equipment to which the lamp is detachably attached, and the interlock switch is attached to the main body of the equipment. The operator is provided to turn on the interlock switch by being pressed against the outer peripheral surface of the tube wall of the lamp, and the interlock switch is provided integrally with the component having the terminal to which the power line is connected.

[0008]

[Action]

 The present invention is configured as described above, and an interlock switch that closes an electric path by mounting a lamp is integrally provided with a component having a terminal to which a power supply line is connected, and an operator is provided on an outer peripheral surface of a lamp wall. Since the interlock switch is installed so that is pressed to turn on the interlock switch, four wires are provided between the socket and the ballast as connecting wires in the equipment, and if a terminal block is provided, the terminal block It is possible to reduce the number of connecting wires by adding two wires between the ballast and the ballast, and a total of only six wires is required at the maximum. Therefore, the work of assembling and connecting the lighting device and the interlock switch becomes easy.

[0009]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. (Example 1) As shown in Fig. 1 (b), sockets 3 are provided at both ends of a device body 2, and a lamp 1 which is a straight tube fluorescent lamp is detachably attached. The socket 3 has a terminal receiving port 3a on the opposite surfaces thereof, and the lamp 1 is mounted on the appliance main body 2 by fitting the terminals 1b protruding on both end faces into the terminal receiving port 3a. A reflector plate 6 that reflects the light from the lamp 1 is disposed between both sockets 3. The reflector plate 6 is disposed between the lamp 1 and the bottom wall 2a of the main body 2 of the fixture, and has a rectangular shape in the center. It has an opening 6a. A terminal block 7 is arranged at a portion between the reflection plate 6 and the bottom wall 2a of the instrument body 2 corresponding to the opening 6a. The terminal block 7 is provided with two interlock switches 4 between each of the two input terminals 7a and each output terminal 7b. The interlock switch 4 is provided with a manipulator 4a which projects from the terminal block 7 so as to be able to move back and forth and is biased by a spring in the projecting direction. A tip portion of the operator 4a projects from the opening 6a, and a projecting dimension is set so that when the lamp 1 is mounted on the instrument body 2, it is pressed against the outer peripheral surface of the tube wall of the lamp 1.

The connection wire 10 connected to the output side terminal 7b of the terminal block 7 is connected to the primary side of the coil 5a of the ballast 5 which is a lighting device. The secondary side of the coil 5a is connected to the socket 3 via the connecting wire 10. Further, the ballast 5 is provided with a capacitor 9. The power supply line 11 is connected to the input side terminal 7 a of the terminal block 7. When the terminal 1b of the lamp 1 is fitted into the terminal receiving port 3a of the socket 3 and the lamp 1 is installed in the fixture body 2, as shown in FIG. 2, the outer peripheral surface of the tube wall of the lamp 1 is the tip surface of the operator 4a. And the operator 4a is pushed in. At this time, both of the interlock switches 4 connected to the operator 4a are turned on, and the lamp 1 can be powered. When the lamp 1 is removed from the instrument body 2, the pressing force on the operator 4a is released, the operator 4a returns to its original position, and the interlock switch 4 is turned off. In other words, in the no-load state where the lamp 1 is not attached to the instrument body 2, the power source 8 is not connected to the ballast 5, so that wasteful power consumption can be suppressed, and even if the socket 3 is touched, electric shock can be obtained. It is prevented and highly safe.

Second Embodiment In this embodiment, the interlock switch 4 is incorporated in the ballast 5 as shown in FIG. The ballast 5 is also used as a terminal block. A stabilizer 5 is arranged between the reflector 6 arranged between the sockets 3 and the bottom wall 2a of the instrument body 2 at a portion corresponding to the opening 6a. An interlock switch 4 is provided between the input side terminal 5b of the ballast 5 and the primary side of the coil 5a, and the secondary side of the ballast 5 is connected to the socket 3 via a connection line 10. As shown in FIG. 4, the tip of the operator 4a of the interlock switch 4 projects from the opening 6a, and the projection size is such that when the lamp 1 is mounted on the fixture body 2, the lamp 1 is pressed against the outer peripheral surface of the tube wall. Is set.

Other configurations are similar to those of the first embodiment. In the embodiment described above, the straight tube type fluorescent lamp having a double base is exemplified as the lamp 1, but the technical idea of the present invention can be applied to other lamps such as a double base HID lamp and a single base fluorescent lamp.

[0013]

[Effect of device]

 As described above, the present invention provides an interlock switch inserted between the lighting device and the power source in the fixture body to which the lamp is detachably mounted, and the interlock switch is installed in the fixture body. An operator is provided that turns on the interlock switch when it is pressed against the outer peripheral surface of the pipe wall, and the interlock switch is integrated with the component that has the terminal to which power is supplied. It is necessary to add four wires between the ballast and the terminal block, and add two wires between the terminal block and the ballast to make a total of only six wires, which can reduce the number of connecting wires. It has the advantage that it can. Therefore, there is an effect that the total length of the connecting wire can be shortened and the connecting work can be facilitated.

[Brief description of drawings]

FIG. 1A is a circuit diagram of a first embodiment of the present invention,
(B) is a perspective view same as the above.

FIG. 2 (a) is a side view showing a state in which a lamp is not mounted in Embodiment 1 of the present invention, and FIG. 2 (b) is a side view showing a state in which the lamp is mounted.

FIG. 3 is a circuit diagram of a second embodiment of the present invention.

FIG. 4 is a perspective view of the above.

FIG. 5 is a side view of a conventional example.

FIG. 6 is a perspective view of a socket used in a conventional example.

FIG. 7A is a wiring diagram showing a connection relationship of a conventional example, and FIG. 7B is a circuit diagram of the same.

FIG. 8 is a circuit diagram of another conventional example.

FIG. 9A is a side view showing a state where a lamp is mounted in another conventional example, and FIG. 9B is a side view showing a state where the lamp is not mounted.

[Explanation of symbols]

 1 Lamp 2 Instrument Main Body 3 Socket 4 Interlock Switch 5 Ballast 6 Reflector 8 Power Supply

Claims (1)

[Scope of utility model registration request] 1. An interlock switch, which is inserted between a lighting device and a power source, is provided in a fixture main body to which a lamp is detachably mounted, and the interlock switch has a lamp wall attached to the fixture main body. An illuminating device comprising an operator that is pressed against an outer peripheral surface to turn on an interlock switch, and an interlock switch is integrally provided to a component having a terminal to which a power supply line is connected.