JP3139714U - LED lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to use an existing fluorescent lamp luminaire without modification.
An elongated support substrate 9 having a mountain shape in cross section is attached between a pair of fluorescent lamp-type fittings 7. A predetermined number of LEDs 10 are arranged and attached to each flat surface portion 9 a sandwiching the center portion in the width direction of the support substrate 9. Both ends of the cylindrical cover 13 that covers the periphery of the support substrate 9 are attached to each fitting. Bridge rectifiers 11 and capacitors 12 are provided at both ends in the longitudinal direction of the support substrate 9. A group in which the LEDs 10 are connected in series and a capacitor 12 are connected in parallel between the DC output terminals of the bridge rectifier 11 in which the terminals 8 of the caps 7 are connected to the AC input terminals. By attaching each fitting 7 to the lamp socket of the existing fluorescent lamp luminaire with the lighting tube removed, the AC current input from the terminal 8 is converted to DC by the bridge rectifier 11 and smoothed by the capacitor 13. Each LED 10 is supplied to cause each LED 10 to emit light.
[Selection] Figure 1

Description

  The present invention relates to an LED lamp that can be applied to existing lighting fixtures without modification.

  In general, fluorescent lamps have the advantage of lower power consumption and longer life as a lamp compared to incandescent lamps, so that lighting fixtures using fluorescent lamps can be used indoors and outdoors. Widely used regardless.

  Further, among lighting fixtures using fluorescent lamps, fluorescent lighting fixtures using a starter type lighting circuit as shown in the circuit diagram of FIG. 3 are most widely used because the lighting circuit is simple. In FIG. 3, 1 is a power source, 2 is a ballast, and 3 is a lighting tube (including an electronic lighting tube). Further, the fluorescent lamp 4 is configured to connect each electrode 5 to a circuit by fitting a terminal (not shown) at both ends of the fluorescent lamp 4 into a lamp socket (not shown) (see, for example, Patent Document 1). .

JP 2005-123027 A

  However, since fluorescent lamps contain mercury, it is necessary to dispose of them so as not to cause mercury problems when they are discarded.

  Furthermore, as described above, fluorescent lamps have the advantages of lower power consumption and longer life compared to incandescent lamps. However, in recent years, power consumption can be further reduced from the viewpoint of energy saving. There is an increasing demand for lamps for lighting that can extend the service life.

  Therefore, the present invention provides an LED lamp that can be used in place of fluorescent lamps and incandescent lamps without modifying existing lighting fixtures, and that can reduce power consumption and extend the service life. It is something to be offered.

  In order to solve the above-mentioned problem, the present invention corresponds to claim 1 by connecting an AC input terminal of a bridge rectifier to a fitting for mounting on a lamp socket of an existing lighting fixture. A configuration in which a required number of LEDs are connected in series between a DC output terminal and a capacitor having a required capacitance is connected in parallel.

  Further, in accordance with claim 2, a pair of fluorescent lamp-type fittings for mounting on a lamp socket of an existing fluorescent lamp illuminator is required according to the length dimension of the existing fluorescent lamp having a required wattage. A long and narrow support substrate is attached between the respective fittings, and a required number of LEDs are attached to the surface of the support substrate, and a bridge rectifier and a capacitor are installed at the required portions of the support substrate. And connecting the AC input terminal of the bridge rectifier to the terminal of each of the fittings, connecting a predetermined number of the LEDs in series, and connecting the predetermined number of the LEDs between the DC output terminals of the bridge rectifier. A group is formed by connecting a set connected in series and a capacitor having a required capacitance in parallel.

  Further, in the above configuration, the support substrate is a chevron-shaped support substrate having a cross-sectional shape that bends to the back side at a center portion in the width direction perpendicular to the longitudinal direction, and each plane portion sandwiching the center portion in the width direction of the support substrate In addition, the LED is arranged and provided.

  Furthermore, in each of the above configurations, a cylindrical cover that transmits light emitted from the LED is disposed around the support substrate over the entire length in the longitudinal direction, and both ends of the cover are attached to the fittings. The configuration is as follows.

According to the LED lamp of the present invention, the following excellent effects are exhibited.
(1) An AC input terminal of a bridge rectifier is connected to a fitting for mounting on a lamp socket of an existing lighting fixture, and a required number of LEDs are connected in series between the DC output terminals of the bridge rectifier. Since it is configured to connect a set and a capacitor having the required capacitance in parallel, the existing lamp may be used in place of the existing lamp without any modification. it can.
(2) A pair of fluorescent lamp type fittings to be mounted on a lamp socket of an existing fluorescent lamp lighting fixture are arranged at a required interval according to the length dimension of an existing fluorescent lamp having a required wattage, A slender support substrate is attached between each of the fittings, and a required number of LEDs are attached to the surface of the support substrate, and a bridge rectifier and a capacitor are provided at the required locations of the support substrate. A terminal is connected to the AC input terminal of the bridge rectifier, a predetermined number of the LEDs are connected in series, and the predetermined number of the LEDs are connected in series between the DC output terminals of the bridge rectifier. And a capacitor having a required capacitance are connected in parallel, so that the existing fluorescent lamp luminaire can be modified by simply removing the lighting tube from the existing fluorescent lamp luminaire. Apply Mounted in place of the existing fluorescent lamp may be a fluorescent lamp type LED lamp available without.
(3) If the LED lamp of the above (2) is used, it is possible to reduce the heat radiation space required for the fluorescent lamp luminaire. In addition, the LED lamp can have a longer life than a fluorescent lamp, and the power consumption can be greatly reduced as compared to a fluorescent lamp. Furthermore, unlike the fluorescent lamp, the LED lamp does not use mercury, so that the possibility of a mercury problem during disposal can be solved.
(4) The support substrate is a mountain-shaped support substrate having a cross-sectional shape that bends to the back side at a central portion in the width direction perpendicular to the longitudinal direction, and each planar portion sandwiching the central portion in the width direction of the support substrate, By adopting a configuration in which the LEDs are arranged and arranged, the fluorescent light type LED lamp capable of irradiating light over a wide range is obtained by matching the irradiation range of the light of the LED attached to each of the plane portions. be able to.
(5) Around the support substrate, a cylindrical cover that transmits light emitted from the LED is disposed over the entire length in the longitudinal direction, and both ends of the cover are attached to the above-mentioned fittings. Thus, the periphery of the support substrate on which the LED, the bridge rectifier, and the capacitor are attached can be covered with the cover, and the weather resistance of the fluorescent lamp type LED lamp can be improved.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.

  FIGS. 1 (a), (b), (c), (d), and FIG. 2 are examples of application to a fluorescent lamp type LED lamp that can be used in an existing fluorescent lamp luminaire as an embodiment of the LED lamp of the present invention. This is shown as follows.

  That is, a pair of left and right mouth fittings 7 each having two terminals 8 similar to existing fluorescent lamps, for example, 6W type, 10W type, 15W type, 20W type, 30W type, 32W type, 36W type, Depending on the length of a 40 W type, 80 W type, 110 W type and other straight tube fluorescent lamps generally used as wattage, for example, at a required interval corresponding to the length dimension of a 20 W type fluorescent lamp Deploy. Between each of the fittings 7 is a cross-sectionally shaped chevron that extends in the left-right direction and bends to the back side at an angle of about 100 degrees at the center in the direction perpendicular to the longitudinal direction (hereinafter referred to as the width direction). An elongated support substrate 9 is arranged, and both ends in the longitudinal direction of the support substrate 9 are attached to the left and right fittings 7 respectively. In addition, the said support substrate 9 shall be located on the plane in alignment with the perpendicular bisector of the line | wire which connects the two terminals 8 of each metal fitting 7 in the width direction center part.

  In the case where the required number of LEDs (light emitting diodes) 10 are respectively provided in the longitudinal direction on the surface side of the two flat portions 9a sandwiching the central portion in the width direction of the support substrate 9, for example, a 20W type fluorescent lamp. 32 are each arranged and attached. Further, a bridge rectifier 11 and a capacitor 12 are provided at a required portion of the support substrate 9 so as to correspond to each column of the LEDs 10 arranged on the two planar portions of the support substrate 9. Specifically, for example, each bridge rectifier 11 is provided on the surface side near the fitting 7 at both ends in the longitudinal direction of the support substrate 9, and each capacitor 12 is disposed near both ends in the longitudinal direction of the support substrate 9. Provided on the back side of each.

  Further, a cylindrical cover 13 that transmits light emitted from the LEDs 10 is arranged around the support substrate 9 over the entire length in the longitudinal direction, and both ends of the cover 13 are attached to the left and right fittings 7. A fluorescent lamp type LED lamp 6 is constructed by mounting. The outer diameter of the cover 13 corresponds to the outer diameter of a fluorescent lamp having an existing required wattage that is desired to be replaced by the fluorescent lamp type LED lamp 6. Thereby, the circumference | surroundings of the support substrate 9 to which the said LED10, the bridge | rectifier rectifier 11, and the capacitor | condenser 12 are attached can be covered with the said cover 13, and the weather resistance of the said fluorescent lamp type LED lamp 6 can be improved.

  FIG. 2 shows a circuit diagram of the fluorescent lamp type LED lamp 6. Two terminals 8 in the left and right fittings 7 (see FIGS. 1 (A), (B), (C), and (D)) are connected to each other. Connect to each other. Further, two AC input terminals 11a in each bridge rectifier 11 are connected to two terminals 8 of one (right side in the figure) of the metal fitting 7 (see FIGS. 1 (a), (b), (c), and (d)). One of the AC input terminals 11a of 11b is connected in parallel, and the other two (left side in the figure) of the fitting 7 (see FIGS. 1 (A), (B), (C), and (D)). The other AC input terminal 11b of each bridge rectifier 11 is connected to the terminal 8 in parallel.

  The LEDs 10 arranged in each plane portion 9a of the support substrate 9 (see FIGS. 1 (a), (b), (c), and (d)) are connected in series for each column, and are connected in series. Each set of LEDs 10 is connected between a + side output terminal 11 c and a − side output terminal 11 d as DC output terminals of each bridge rectifier 11. As a result, the AC supplied from the outside to the AC input terminals 11a and 11b of the bridge rectifiers 11 via the terminals 8 of the left and right metal fittings 7 (see FIGS. 1 (a), (b), (c), and (d)). The current is always output in a state rectified to a direct current by the bridge rectifiers 11 without being influenced by the polarity, and can be supplied to the LEDs 10 in each column connected in series.

  Further, between the + output terminal 11 c and the − output terminal 11 d of the DC output terminal of each bridge rectifier 11, a required electrostatic capacity is set in parallel with the group of LEDs 10 connected in series. Capacitors 12 are connected to each other. As a result, the DC current output to the LED 10 connected in series between each DC output terminal 11c, 11d of each bridge rectifier 11 can be smoothed.

  When the fluorescent lamp type LED lamp 6 having the above configuration is used, as shown by a two-dot chain line in FIG. 2, the lighting tube 3 (see FIG. 3) in the existing fluorescent lamp illuminator 14 is removed. The terminals 8 protruding from the left and right mouth fittings 7 of the fluorescent lamp type LED lamp 6 are fitted and attached to the lamp socket 15 of the existing fluorescent lamp luminaire 14. At this time, the fluorescent lamp type LED lamp 6 is mounted so that the surface side of the support substrate 9 to which each LED 10 is mounted faces the light irradiation direction of the existing fluorescent lamp lighting device 14. As a result, when the existing fluorescent lamp illuminator 14 is connected to an external power source (not shown) and power is supplied to the fluorescent lamp illuminator 14, the fluorescent lamp is passed through the lamp socket 15 of the fluorescent lamp illuminator 14. The AC current supplied to the terminals 8 at both the left and right ends of the LED lamp 1 is rectified into a DC current by the bridge rectifier 11, smoothed by the capacitor 12, and then supplied to each LED 10. Each of the LEDs 10 emits light and functions as a lamp.

  Thus, according to the fluorescent lamp type LED lamp 6, the existing fluorescent lamp illuminating device 14 is modified by simply removing the lighting tube 3 (see FIG. 3) from the existing fluorescent lamp illuminating device 14. Instead, it can be used in place of the existing fluorescent lamp 4 (see FIG. 3).

  Further, since the support substrate 9 has a mountain shape in cross section, and the LEDs 10 are arranged on the flat portions 9a on both sides in the width direction of the support substrate 9, the light irradiation of the LEDs 10 attached to the respective flat portions 10 is performed. By combining the ranges, the fluorescent lamp type LED lamp 6 capable of irradiating light over a wide range can be obtained.

  Further, since the LED 10 generates less heat than the fluorescent lamp, the use of the fluorescent lamp type LED lamp 6 makes it possible to reduce the heat radiation space required for the fluorescent lamp illuminator 14. Further, according to the fluorescent lamp type LED lamp 6, the lifetime can be extended as compared with the fluorescent lamp, and the power consumption can be reduced to about 1/5 to 1/10 as compared with the fluorescent lamp. Can be expected to be effective.

  Furthermore, according to the fluorescent lamp type LED lamp 6, since mercury is not used, it is possible to eliminate the possibility of the problem of mercury at the time of disposal, and since no ultraviolet rays are emitted, the LED lamp of the present invention has an insect. Will not come close.

  In general, blue is said to have a crime deterrent effect, but particularly high saturation is said to be effective. Since LED can emit high-saturated blue that cannot be emitted by fluorescent, mercury-free, and incandescent lamps, using the LED lamp of the present invention to produce high-saturated blue LED will further enhance the prevention effect of crime prevention. It becomes possible.

  Note that the present invention is not limited to the above-described embodiment, and the support substrate 9 is shown as a cross-sectional mountain-like shape bent to the back side at an angle of about 100 degrees at the center in the width direction. However, the angle at which the support substrate 9 bends to the back side at the center in the width direction is appropriately 100 depending on the irradiation angle range of each LED 10 and the light irradiation angle range required by the fluorescent lamp illuminator 14. It may be increased or decreased from the degree. In addition, the support substrate 9 having the mountain shape in cross section may be formed by combining divided bodies having a shape divided into two at the central portion in the width direction. Further, the support substrate 9 may have a simple flat plate shape.

  Further, the number and arrangement of the LEDs 10 installed on the support substrate 9 are the light quantity and irradiation angle range of each LED 10 used, and the brightness and length of the straight tube fluorescent lamp that is desired to be replaced by the fluorescent lamp type LED lamp 6. You may change suitably according to a dimension and a thickness dimension.

  If each LED 10 installed on the support substrate 9 can supply a predetermined power, all the LEDs 10 on the support substrate 9 are connected in series between the DC output terminals 11c and 11d of one bridge rectifier 11. Using three or more bridge rectifiers 11 connected or connected in parallel, the required number of LEDs 10 may be allocated and connected to each of the three or more bridge rectifiers 11. Moreover, although the case where the bridge rectifier 11 was used was demonstrated, you may make it replace with a bridge rectifier, if it has a function similar to a bridge rectifier.

  The LED 10 may emit light of any wavelength depending on the purpose of use of the fluorescent lamp type LED lamp 6.

  The overall shape of the fluorescent lamp type LED lamp 6 may be a circle shape like a ring fluorescent lamp. Furthermore, instead of the mouthpiece 7 provided with the fluorescent lamp-type terminal 8, an incandescent bulb type screw-type mouthpiece is used so that a bulb-type LED lamp that can be mounted on an incandescent bulb lighting fixture is obtained. Of course, various modifications can be made without departing from the scope of the present invention.

As an embodiment of the LED lamp of the present invention, a fluorescent lamp type LED lamp is shown. (A) is a schematic side view, (B) is a view taken along the AA direction of (A), and (C) is. (A) BB direction arrow view, (D) is a CC direction arrow view of (A). The circuit diagram of the fluorescent lamp type LED lamp of FIG. 1 is shown. It is a circuit diagram which shows the outline | summary of the conventional fluorescent lamp lighting fixture.

Explanation of symbols

6 Fluorescent LED lamp (LED lamp)
7 metal fittings 8 terminal 9 support substrate 9a flat part 10 LED
11 Bridge rectifier 11a, 11b AC input terminal 11c, 11d DC output terminal 12 Capacitor 13 Cover 14 Fluorescent lamp lighting fixture (existing lighting fixture)
15 Lamp socket

Claims (4)

  A pair formed by connecting an AC input terminal of a bridge rectifier to a fitting for mounting on a lamp socket of an existing lighting fixture, and connecting a required number of LEDs in series between the DC output terminals of the bridge rectifier, An LED lamp having a configuration in which a capacitor having a required capacitance is connected in parallel.   A pair of fluorescent lamp-type fittings to be mounted on a lamp socket of an existing fluorescent lamp illuminator are arranged at a required interval according to the length dimension of the existing fluorescent lamp having a required wattage, and each of the fittings. In addition, an elongated support substrate is attached, and a required number of LEDs are attached to the surface of the support substrate, and a bridge rectifier and a capacitor are provided at required locations of the support substrate. A pair of the bridge rectifier connected to the AC input terminal, a predetermined number of the LEDs connected in series, and the predetermined number of the LEDs connected in series between the DC output terminals of the bridge rectifier; An LED lamp having a configuration in which a capacitor having a certain capacitance is connected in parallel.   The support substrate is a mountain-shaped support substrate having a cross-sectional shape that bends to the back side at a central portion in the width direction perpendicular to the longitudinal direction, and LEDs are arranged on each plane portion sandwiching the central portion in the width direction of the support substrate. The LED lamp according to claim 2, wherein the LED lamp is provided.   The cylindrical cover which permeate | transmits the light which emits LED around the support substrate is arrange | positioned over the full length of a longitudinal direction, The both ends of this cover are attached to each said metal fitting. LED lamp.

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