JPS59132596A - Light emitting lamp unit - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a luminescent lamp arrangement, for example a signal luminous lamp arrangement for ships, comprising a fluorescent lamp operating in the high frequency range and an associated ballast.

Signal lighting devices for ships, such as sports sails, etc. are known in various embodiments. The light source is usually an incandescent lamp or a tube lamp. Since this signal luminous lamp device is at least occasionally powered by a battery or an accumulator on board the ship, it must achieve a high luminous efficiency with low power consumption; However, this is used exclusively for lighting purposes. Fluorescent lamps have a substantially higher luminous efficiency than incandescent lamps. The luminous efficiency of fluorescent lamps can be further increased by operating the fluorescent lamps with high frequency voltages. It is known that the luminous efficiency is high at an operating frequency of about 35 KH2. Beyond that, it is no longer possible to increase the luminous efficiency.

However, the use of fluorescent lamps in signal lamp devices has heretofore been unsuccessful because fluorescent lamps generate radio-interfering electromagnetic fields whose frequencies extend into the MHz region. Radio interference increases the higher the operating frequency. For operating frequencies in the region I of approximately 35 KHz, radio interference cancellation can be achieved at low cost. However, for high operating frequencies, radio interference cancellation can no longer be achieved at low cost. Therefore, it is an object of the present invention to reduce radio interference electromagnetic fields in a light emitting lamp device as mentioned at the beginning by a simple method, and to use this light emitting lamp device as a signal emitting lamp device for ships from which radio interference is removed. It is to make it possible.

The object of the invention is solved in a luminescent lamp arrangement of the kind mentioned at the outset, in that the luminescent lamp arrangement is a U-shaped fluorescent lamp with two mutually parallel fluorescent legs. and a ballast, and this ballast kv
It is tuned to an operating frequency higher than 40 Kl-Iz and at which the radio interference level of the fluorescent lamp is minimized or completely eliminated.

The described U-shaped fluorescent lamps with mutually parallel fluorescent legs are so-called compact fluorescent lamps held in sockets on one side, which are currently available in 7W and 11W sizes. Can operate with lamp power between Due to their small dimensions, these fluorescent lamps are also suitable in principle for use as signal lamps.

It has been found that operating fluorescent lamps at operating frequencies above 40 KHz, especially above 50 KHz, does not require special radio interference rejection. This relatively high operating frequency is such that the radio interference level of the fluorescent lamp is substantially eliminated. Its operating frequency is generally lower than 100KFTz. In a compact fluorescent lamp held in the socket at one end with a lamp power of 7 W, between 80 KHz and 90 KHz,
There are operating frequencies that do not generate radio interference levels.

The excellent characteristics of the light emitting lamp device according to the present invention are as follows. That is, the interfering electromagnetic field formed in each fluorescent lamp (which can be detected as a standing wave along the fluorescent lamp by suitable measurement equipment) is The point is that it can be eliminated by tuning the geometry and the ballast to the corresponding frequency. This can be easily achieved by tuning the ballast dynamically, ie under load from the fluorescent lamp, for a minimum radio interference level.

Still further, the ballast includes a transistor-controlled generator, an adjustable transformer biased ignition device, and a transistor-controlled auxiliary pulse stage connected to the generator transistor and actuated by an electronic trigger circuit. have. A transformer which is particularly suitable for this purpose is described in German Patent Application No. 31 30 049 A.

The trigger circuit is a conventional R,0 network. The primary side of the generator is usually connected to a transformer, and the secondary side is connected to a fluorescent lamp in a complete resonant circuit.

The auxiliary pulse stage provides the necessary starting current to start the generator transistors. After the RC trigger circuit is charged, the auxiliary nose ξ stage reduces the starting current by a factor of 1 to the operating current, which corresponds to about 80 times the starting current. Furthermore, the auxiliary pulse stage has one transistor. The collector of this transistor is connected to the collector of the transistor of the generator, the pace is connected to the trigger circuit, and the emitter is connected to the pace via a diode on the one hand and the generator transistor on the other hand. connected with a transistor pace.

The auxiliary Nockles stage accordingly renders the generator transistor conductive only when activated via the R,C to IJ circuit.

In the luminescent lamp device according to the invention, the ballast “k,
It can be designed for input DC voltages between 12V and 24V, ie for the power supply normally on board the ship. It is also possible to use other input voltages.

In the luminescent lamp device according to the invention, radio interference can be eliminated without practically adding any expense. Although fluorescent lamps have a higher luminous efficiency than incandescent lamps, they emit less heat, so casings for signal lamps can be made of less heat-resistant materials. The casing can be made smaller. When used as signal lamps and/or lighting lights, the risk of fire is generally reduced due to the low rate of heat release. Since the light emitted by a fluorescent lamp has a spectrum that extends by 1 into the ultraviolet region, this?
Class 9 signal lamps can be recognized from a much greater distance than signal lamps with incandescent lights, especially at dusk or at night.

There are certain regulations regarding the structure and characteristics of a signal light lamp device for a ship, and for example, in the case of so-called clarification, the light distribution characteristics of such a signal light lamp device are also particularly defined. In particular, the signal-emitting lamp device must have an essentially constant congratulatory light distribution curve. In other words, the distribution elasticity of light measured on a circle surrounding the signal emitting lamp device is:
It must be constant over an angular range of approximately 215° and must become O within an angle of approximately 10° following the end of this angular range.

However, a compact fluorescent lamp, held at one end in a socket, has two fluorescent legs mounted side by side and parallel, each of which forms a separate light source. do. Therefore, at least in the nearby area,
This does not result in a constant light distribution curve. As a result, the distance to the turning ship and the start and end of the turning movement can be determined.
The observer may make an incorrect judgment.

In order for the signal emitting lamp device described above to have an essentially constant light distribution curve, according to the present invention, a light shielding body is provided between its two fluorescent legs, and two When projecting the light shield onto a plane defined by the fluorescent legs, the projected dimension corresponds to half the diameter of each fluorescent tube.

By doing so, a very good constant light distribution curve is obtained. The reduction in light intensity caused by covering part of the fluorescent leg of the fluorescent lamp is not a significant problem. This is because fluorescent lamps have a higher luminous efficiency than ordinary incandescent lamps.

These shading bodies, which normally extend the entire length of the fluorescent leg, are configured as troughs with an inner diameter that matches the outer diameter of the fluorescent leg, and are It can be attached to mutually opposite halves of the legs.

In a simpler embodiment, the light shield is a strip. Such a light shield is attached to both fluorescent legs so as to cover the gap between the legs and half of each fluorescent leg. This is because, in this case, the light shielding body can be more easily attached and fixed to the fluorescent lamp. This applies not only when the strip is flat. This also applies if the strip has two shelf-shaped peripheral areas and a web connecting these peripheral areas, the inner diameter of the shelf-shaped peripheral area matching the outer diameter of the fluorescent tube. In either case, a fixing member such as a fixing screw can be provided all the way between both fluorescent tubes.

・　Explanation of examples Next, embodiments of the present invention will be described in detail using the drawings.

The signal lamp shown in FIG. 1 has a casing 1. The signal lamp shown in FIG.

A detailed explanation of this casing will be omitted here. As a light source, a compact fluorescent lamp 2 is used, which is held on one side in a socket. This compact fluorescent lamp consists of two mutually parallel fluorescent legs 3.4'.
have. The upper ends of these fluorescent legs 3, 4 are connected to the first
In the case shown in the figures, the cage is connected by a U-shaped web 5 (in the other embodiment A by a U-shaped arch). The lower ends of these two fluorescent legs are held in a common socket 6. From this socket 6 a connecting pin 7.8 extends to a printed circuit board 9 which supports the components of the ballast.

The ballast shown in FIG. 2 is designed for an input DC voltage of 24V. This device has two input terminals 10. ll
' has. Of these two input terminals, the negative input terminals 1o and 12 are connected to the positive input terminal 11 which is grounded. A polar protection diode 13 is connected on the line. This protection diode 13 is used to prevent incorrect connections. Furthermore, this ballast has a circuit 14 and a generator 15.
, an ignition device 16, and an auxiliary nozzle stage 17 are included.

The trigger circuit 14 is a conventional RC network including a capacitor 02 and a charging resistor B connected upstream of the capacitor C2.
51, discharge resistor R connected in parallel to capacitor C2
3, and a level determining resistor B, 2 connected downstream. This trigger circuit consists of a base protection resistor, B, 5
via an auxiliary nose stage 17. A capacitor 01 is strongly connected between the two electronic circuits 10 and 11.

The generator 15 includes a transistor Tl crab.

The collector of this transistor T1 is connected to the input terminal 10, and the base thereof includes a capacitor C3 and a resistor hole 4 connected in parallel to the capacitor C3.
C network power; connected. The emitter of transistor T1 is connected to a tap between the two windings 18, 19 on the primary side of transformer Tr. The winding 18 further includes:
Connected to RC networks 03 and R4.

The other winding 19 is connected to a line leading to the input terminal 11.

The transformer Tr is, for example, an embodiment with three E-1" cores, which is described in particular in German Patent Application No. 31 30 049.

The ignition device 16 includes a winding portion on the secondary side of the transformer Tr and a fluorescent lamp 2. This fluorescent lamp 2 is shown as an elongated tube in the circuit diagram of FIG. However, its structure corresponds to that shown in Figure 1. The end of the winding part 22 is connected to a connecting pin 7.8 of the fluorescent lamp 2. This fluorescent lamp has a total of four connection pins. (Only two of these four connection pins are shown in FIG. 1.) The other two connection piers 23, 24 of the fluorescent lamp 2 are connected to the ends of the winding section 20. has been done. Both ends of the central winding portion 21 are connected to a capacitor 0.
4'ft to form a resonant circuit, one end of which is directly connected to the end of the adjacent winding section 22, and the other end connected to the other through another capacitor C5. are connected to the ends of adjacent winding portions 20 to form a series resonant circuit.

The auxiliary pulse stage 17 is provided with a transistor T2. The base of transistor T2 is connected to base protection resistor R.
5 to the trigger circuit 14 as described above. The collector of transistor T2 is connected to input terminal 10 via actuation resistor R6. Transistor T2
The emitter of is connected to its base via a reverse blocking diode D1 on the one hand and a threshold diode L)2 on the other hand.
' to the base of the transistor T1 of the generator 15. A resistor R, 7, which determines the operating point, is connected in parallel with the diode D''IVc.

The illustrated circuit operates as follows. : When the fluorescent lamp is switched on, first the auxiliary nozzle stage 17 is energized by the trigger circuit, and then the auxiliary nozzle stage 17 is activated until the generator 1i starts oscillating. The necessary starting current is supplied to transistor T1. The generator 15 generates the lighting voltage necessary for the fluorescent lamp 2 on the secondary side of the transformer Tr. After the trigger circuit 14 has been charged, the auxiliary nose ξ stage 17 reduces the starting current to an operating current value that is approximately 80% of the starting current.

Transformer Tr is adjustable. Before fully turning on the signal light, connect the ballast to the transformer Tr! Tuned to an operating frequency higher than 11.40KHz. This tuning is done in response to the level of radio interference emanating from the fluorescent lamp 2.

It has been found that for each of the compact fluorescent lamps described, which are held in a socket on one side, there is an operating frequency of 1/i at which the level of radio interference is minimal or completely eliminated. In a fluorescent lamp with a lamp power of 7 W, this operating frequency is between 80 KHz and 90 KHz.
The radio interference level disappears at this operating frequency.

3 to 9 show a compact fluorescent lamp 2 without a casing and ballast. Light shielding bodies 28 and 29 are arranged between the two fluorescent legs 3 and 4. These shading bodies cover each half of the fluorescent legs 3 and 4 upon projection onto the plane 30 defined by the two fluorescent legs 3,4.

Light shielding body 28. ．． 2.9 extend over the entire length of the fluorescent legs 3, 4, respectively.

In the embodiment shown in FIGS. 3 and 4, 2 is a light shielding body 2.
8.29 is constituted by a gutter-like body which is a cylinder divided into two equal parts along the longitudinal direction, and its inner diameter is equal to that of the fluorescent leg parts 3 and 4.
corresponds to the outer diameter of Complementary light shielding body 28.29 is 2
It is attached to the mutually opposite halves of the fluorescent legs 3, 4 in such a way that the mutually facing halves of the cylindrical surfaces of the two fluorescent legs 3,4 are covered.

In the preferred embodiment shown in FIG. 6, the light shielding body is constituted by flat strip-shaped plates 31, 32.

These light shields cover the gap 33 between the fluorescent legs 3, 4 and each half of the fluorescent legs 3, 4, and
, 4 is attached to the outside. A fixing member 1d (not shown) can pass through the gap 33Vc.

The same applies to the embodiment shown in FIG. In this embodiment, the strip-shaped light shield each has two complementary peripheral areas 34.35 and 36.37'z. The inner diameter ′/′i of these peripheral areas, the fluorescent legs 3,
4. Approximately the outer diameter of No. 4 is coated. Two peripheral regions 34, 35 and 36.3 each belonging to one strip
7 are interconnected by intermediate (7) webs 38.

A fixing member (not shown) can be attached to the web 38.

In Figures 7, 8, and 9, N1 is shown from the signal light lamp.
An observer standing at n always observes a constant and identical light intensity, regardless of the angle to the plane 3' O defined by the two fluorescent legs 3, 4. If the fluorescent legs 3, 4 of the fluorescent lamp 2 emit the same amount of light through their surfaces and the exposed outer diameter of the fluorescent legs 3 or 4 is 3, then the 7th As shown in the figure, when expressed in 1c vertical projection, ff1lJ, when the observer observes from a position perpendicular to the plane 30, half of each fluorescent leg is in a hidden position, and each fluorescent light is Only half of the leg is visible, the width of which corresponds to 4 of the exposed outer diameter of the fluorescent leg. When the observer is positioned on the plane 3o as shown in FIG. 8, only the fluorescent leg 3 or 4 is visible to the observer, while the other fluorescent leg is in a hidden position.

As shown in FIG. 9, when the signal lamp is located at an intermediate position between the positions shown in FIGS. Only the width a2 of a portion of the light leg 3 is visible.

The sum of al and 32 is 1.1: corresponds to the exposed outer diameter a. In this way, the signal emitting lamp with the fluorescent lamp described above exhibits a constant light distribution curve.

This also applies if the light shields 28, 29 are made of an opaque material that is partially transparent. Thereby, the original intensity can be improved without adversely affecting the light distribution.

[Brief explanation of drawings]

1 is a schematic diagram of a signal emitting lamp arrangement having a condensing fluorescent lamp held in a socket on one side and a corresponding ballast; FIG. 2 is a schematic diagram of the circuit of the ballast; FIG. , a front view of a conjoint fluorescent lamp held at one end by a socket for use in a ship's signal lamp system, FIG.
Connect fluorescent lamp 'tll-11 shown in Figure 3
The cross-sectional schematic diagrams of FIGS. 5 and 6 taken along the line of
A schematic cross-sectional view of another embodiment of the compact fluorescent lamp shown in FIG. 4, FIGS. FIG. DESCRIPTION OF SYMBOLS 1... Casing, 2... Connector fluorescent lamp, 3.4... Fluorescent leg part, 5... Web, 6... Socket, 7.8... Connection pin, 9 ...Printed wiring board, 14...Tori is circuit, 15...Generator, 16.
...Lighter, 17...Auxiliary) Luss stage, Tr...Transformer, 28.29FI [i, 3 FIG, 7 FIG. FIG, 6 2 EI FIG, 9

Claims (1)

[Claims] ■ A luminescent lamp arrangement with a fluorescent lamp operated in the high frequency range and an associated ballast, U-shaped with two mutually parallel fluorescent legs (3, 4); It is equipped with a fluorescent lamp (2) and a ballast (9), and the ballast (9) is 4Q.
A luminescent lamp arrangement which requires tuning to an operating frequency higher than KHz and such that the radio interference level of the fluorescent lamp (2) is minimal or completely eliminated. 2. The light-emitting lamp device according to claim 1, wherein the operating frequency is higher than 53 Kl-(z. 3. The luminescent lamp device according to claim 1, wherein the operating frequency is lower than 1'OOKH2. The light emitting lamp device according to claim 1 or 2. 4. The light emitting lamp according to any one of claims 1 to 3, wherein the operating frequency is between 80 KHz and 90 KHz. Lamp device. 5 The ballast (9) is a transistor controlled generator (15)
igniter with an adjustable transformer (Tr)
16)' and is also activated by an electronic trigger circuit (14) connected to the transistor (T1) of the generator [15].
7) The light-emitting lamp device according to any one of claims 1 to 4. 6. The luminescent lamp device according to any one of claims 1 to 5, wherein the trigger circuit (14) is an R,0 circuit network. 7. The primary side of the generator (15) is connected to a transformer ( Tr), and the secondary side of the generator (15) is connected to the fluorescent lamp (2) forming a co-photographing circuit, according to any one of claims 1 to 6. A light-emitting lamp device. 8. The t'll ξ stage (17) is a transistor (, T
2), and the collector of the transistor (T2) is
Connect to the collector of the transistor (T1) of the generator (15) and set the pace of the transistor (T2) to the trigger circuit (1
4), and all the emitters of the transistor (T2),
On the one hand it is connected to the base of the transistor ('r2) via the diode F(D 1 )' and on the other hand it is connected via the diode (D2) to the transistor (T
1) A light-emitting lamp device according to any one of claims 1 to 7, which is connected to the pace of claim 1). 9. Luminescent lamp device according to any one of claims 1 to 8, wherein the ballast (9) is designed for an input DC voltage between 1.2 and 24"V (7) 10 In a luminescent lamp arrangement with a fluorescent lamp operated in the high frequency range and its associated ballast, a U-shaped fluorescent lamp (with two mutually parallel fluorescent legs (3', 4)) 2) and a ballast (9), the ballast (9)
above 40 KHz and at such an operating frequency that the radio interference level of the fluorescent lamp (2) is minimal or completely eliminated, and the two fluorescent legs (3, 4) ) between which a light shield (28, 29) is provided, which shield each fluorescent light during projection in the direction of the plane (30) defined by the two fluorescent legs (3, 4). A light-emitting lamp device characterized in that it covers half of the light legs (3, 4). 11 The light shielding bodies (28', 29) are connected to the fluorescent legs, (3,
4), which extends over the entire length of claim 1.
The light-emitting lamp device according to item 0. 12 The light shielding body (2'8.29) is connected to the fluorescent leg part' (3,4
), the trough-like body having an internal diameter corresponding to the external diameter of the fluorescent legs (3, 4), the shading bodies being attached to mutually opposite halves of the fluorescent legs (3, 4). Or the light-emitting lamp device according to item 11. 13. The light shielding body is a strip plate (31, 32), which covers the gap (33) between the fluorescent legs (3, 4) and each fluorescent leg (3,' 4 ). 12. A light-emitting lamp device according to claim 10, wherein the luminous lamp device is mounted on both fluorescent legs (3, 4) with half of the lamp covered. 14. The light-emitting lamp device according to claim 13, wherein the strip plate (31, 32') is planar. 15 The fascia covers the peripheral areas of the two prostheses (34, 35
;36,37) and a web (38) connecting the peripheral area;
, and the inner diameter of the peripheral region of the complementary shape is the fluorescent leg (3,
4) corresponds to the outer diameter of claim 13V.
The luminescent lamp device described herein. 16 light shielding body (28, 29)i made of an opaque material,
A light emitting lamp device according to any one of claims 10 to 15.