DE1811876A1 - Lamp adapter - Google Patents

Description

"Lamp Adapters" The present invention relates generally to a lamp adapter for using a double-ended lamp in a conventional one electrical socket, and more precisely to a lamp adapter, which also has a Includes reflector for the reflection of visible radiant energy emitted by the The lamp is sent out in a light column, and more precisely, on a lamp adapter with a reflector for the reflection of a certain part of the visible radiation energy into a pillar of light to form a color-corrected pillar of light.

While Laiiipenadapter of various kinds developed so far none of them had the features of the present invention, in which a reflector is simply brought quietly aii the adapter to visible Reflect radiant energies emitted by the lamp as well uiii ii to effectively treat other radiant energies from the Lamp emitted will. Furthermore, the previously known lamp adapters were relatively complicated in their training and therefore not in economic terms Way to produce.

The lamp adapter according to the present invention comprises one ceramic body with.a main stem and two diverging arms leading from one Go out at the end of the main stem.

Suitable socket contact parts are on the free end of the main stem attached to allow the adapter to be accommodated in an electrical socket. For example, the socket contact parts can have a screw jacket and one of This insulated button encompass that in an ordinary screw socket socket be included. Other types of screw contact parts can be used. Cavities are provided in the stem and arms to accommodate strip-like conductors made of resilient material, and extending from the ends of the arms to the end of the Stem. The conductors are suitably connected to the socket contact parts connected to the stem and with geeiglleten 'Lampensockelkontaktteile on the free Provided ends of the arms, the lamp base receiving openings for the base ends include the lamp. A reflector is on the ceramic body behind the lamp attached and comprises one or more translucent supports having a suitable Wear two-tone coating to reflect certain visible radiant energy and invisible radiant energy and perhaps a part of the visible radiant energy to let through.

To the further reflection of the radiant energies left behind to prevent by the reflector is the ceramic body with inclined surfaces formed behind the reflector in order to absorb radiation energies incident thereon and / or reflect away from the reflector.

While the reflector will be of any suitable type, cation it is preferred that it be able to use the radiant energy emitted by the lamp to ammenz uwi rken to create a color-corrected column of light. In this regard will it is preferred that the reflector be different from that in a further proposal by the applicant (U.S. Patent Application 587,233, dated Oct. 17, 1966). It is further provided within the scope of the present invention that another reflector can be used, which is placed so that it is in front of the lamp, to reflect the infrared energy emitted by the lamp and into the Pillar of light is thrown, and the visible radiant energies pass through. A such a reflector, sometimes referred to as a "heat mirror", would lower the temperature of the light column.

While any type of double ended lamp with the invention Adapter can be used is the most widely used lamp at present the Qaurz iodine incandescent lamp, which is made by most lamp manufacturers. This lamp is designed in a rather compact design and is extraordinary at the same time effective and has a relatively long service life. Your color temperature is about 29000K. And that in the lamp adapter according to the present invention used reflector, which effects the color correction of the light column, creates a Light column with a color temperature of around 32000K.

Accordingly, there is that underlying the present invention Task in creating a lamp adapter that is simple and compact that requires a small number of parts for its assembly is that inexpensive and the use of double ended lamps in electrical Allows sockets that normally only accommodate lamps with one end.

Another object of the invention is to provide a lamp adapter for double-ended lamps, the use of double-ended lamps in electrical Sockets allowed that previously only included lamps with a single end to have, thereby avoiding reinstallation costs while at the same time increasing efficiency the lighting fixture is significantly improved.

Other objects, features and advantages of the present invention go on from the following detailed disclosure in connection with the attached Drawings in which like reference numbers refer to like parts.

In the drawings: Figure i is a front elevational view of the lamp adapter according to the present invention, in the dashed lines one in the adapter attached lamp is shown, FIG. 2 is a plan view of that shown in FIG Lamp adapter with some parts omitted for the sake of clarity Figure 3 is a side elevational view of that shown in Figure i, respectively Lamp adapter according to the present invention, Figure 4 is a vertical sectional view through the lamp adapter according to the present invention substantially along the line 4-4 in Figure 3, Figure 5 is an elevation view of one of the reflector holders, before it is attached to the adapter according to the invention, FIG. 6 is a sectional view essentially along the line 6-6 in Figure 4, Figure 7 is a sectional view in substantially along the line 7-7 in Figure 4, and Figure 8 is a sectional view in the substantially along line 8-8 in Figure 4.

In the drawings is the lamp adapter according to the present invention generally provided with the reference number 10.

The lamp adapter comprises a ceramic body li with a main stem 12 and two diverging arms 15, the.

starting from one end of the main stem.

The body of the lamp adapter 10 further comprises in the free ends of the arms 13 opposite receiving openings 14 for the Lamp base. Lamp base contact parts 15 are arranged in the receiving openings 14. A double-ended lamp, such as a quartz-iodine lamp, shown in Figure i in dashed lines Lines shown and provided with the reference number 16, in the adapter so be attached so that the lamp bases 17 are received in the openings 14 and are in electrical contact with the lamp base contact parts 15. It can be seen that the lamp bases 17 have electrical contact parts, which are connected to the filament of the lamp and in electrical contact with the Step lamp base contact parts 15 of the adapter. On the free one. End of the main stem 12 socket contact parts 18 and 19 are attached and are used by an electrical Version to be recorded. As will be explained more clearly below, these socket contact parts are electrically connected to the lamp base contact parts 15 tied together.

The lamp adapter body 11 is divided by two halves that are identical to one another 20 formed, of which the one in Figure 4 with regard to their internal design is clearly illustrated, while the external training from the other views the drawings. Each half includes one part that is half the main stem 12 forms, as well as parts which each form one half of the arms 13. So it goes a longitudinal gap plane through the adapter along its longitudinal axis, as can be seen most clearly is shown in Figures 2 and 3. While the halves are designed so that the main stem 12 is substantially cylindrical, it should be noted that the Halves can also be designed so that the main stem any other desired Shape. It is also evident that although the halves are so formed are that the arms have a substantially rectangular cross-section, the arms also has any other desired geometric cluster shape. The essential Features are that the arms, the receiving openings 14 and the lamp base contact parts 15 so that they can accommodate a double-ended lamp, and that the Lamp base -Contact parts electrically with the socket contact parts are connected, which are attached in a suitable manner to the free end of the main stem or attached. It is also important that the interior of the halves be so formed is that the lamp base contact parts are able to the lamp 16 with respect to the To carry adapter, and that they in a simple and effective manner with the socket contact parts can be connected to facilitate assembly of the adapter. The two Halves are conveniently secured by fasteners such as those shown in Figs Arms 13 seated fastening means 21 and sitting in the main stem 12 fastening means 22 attached to each other.

Each fastener may be in the form of a screw and nut arrangement be provided, and accordingly suitable holes are provided in the halves, in which the screws are received when the halves are fastened together will.

The main stem 12 and the arms 13 are hollowed to strip-shaped conductors 23 and 24 to receive. The strip-shaped conductor 23 is provided with a lamp base contact part 15 at its upper end and at his lower end formed so that it forms the socket contact part 19, during the strip-shaped conductor 24 at its upper end with a lamp octel contact part 15 is provided and at its lower end electrically to the socket contact part 18 is connected. The strip-shaped conductors 23 and 24 are preferably made of resilient Material made.

To create the cavities in the main stem and arms are Channels 25 and 26 formed in each half.

These channels comprise parts 25a and 26a in the arms of the halves and Parts 25b and 26b in the stem. The channel is continuous and has essentially the same width over its entire length. The channel 25 shows a floor and opposing walls 25c and 25d, while the channel 26 similarly has a bottom and opposing side walls 26c and 26d. The channels 25 and 26 are symmetrical to one another and the same. Her upper ends run in divergent relationship to one another. The top ends of each channel open into an area that contains the lamp base receiving openings 14 forms, while the lower ends of the channels in the lower end of the main stem part end and are in communication with holes 27. Over the free end of the stem part the channels are open to the outside via opposing openings 28. The free end of the stem part has a slightly smaller diameter. on this part a jacket socket contact part 18 is received, which in this embodiment is in the form of a screw-threaded sleeve. The top margins of the contact part 18 are bent over at the openings 28 to fix the contact part to keep on the stick. It should be noted that the base of the adapter also has other May have shapes, such as the shape of two pins or a bayonet socket.

The strip-shaped conductor 23 comprises an upper, substantially extending in the vertical direction part 29 on which the lamp base contact part 15 is fixed in a suitable manner, and an intermediate part 30, which from the upper Part goes out at a slight angle. A second intermediate part 31 runs in a light Angle from the part 30 and is connected to a further intermediate part 32, the rests along the wall 25d of the channel 25 and therefore in accordance with the shape of the wall 25d is formed. The intermediate part 32 extends to the free end where it is bent over is to form the socket contact part 19. A clamp part 32a is with the screw contact part 19 connected, which is received in the lower end of the channel 26, to the lower End of conductor 23 in its position in relation to the adapter body half to fix.

The intermediate part 31, which runs between the intermediate parts 30 and 32, serves to keep the intermediate part 30 at a distance from the channel wall 25d in order for the lamp base = contact part 15 to create a space for bending what -necessary is when a lamp is inserted into or removed from the adapter will. The intermediate part 3t 'also forms a shoulder with a reinforcing spring 33 cooperates to a lateral displacement of the conductor 23 by downward to prevent channel 25. The reinforcement spring 33 has an upper end portion 34, the free end of which rests against the intermediate part 30 of the conductor 23, an intermediate part 359 which extends at a sinem angle with respect to the end part 34 and has a shoulder forms, which rests against the shoulder formed on the conductor 23. The lower side of the intermediate part 35 also forms a shoulder that is attached to a shoulder 36 which is formed in the wall 25c of the channel 25 to displace downward the reinforcement spring through the channel 25 to prevent. A lower end part 37 is seated in a groove 38 formed in the side wall 25c of the channel. Between the lower one End part 37 and the intermediate shoulder part 35 is a curved spacer holding part. 39 is provided, which cooperates with the lower part 37 and the shoulder 35 to to hold the conductor 23 on the side wall 25d of the channel 25. In this regard the middle part of the curved section 39 rests against the side wall 25c, while its opposite ends connected to parts 35 and 37 are in contact with the conductor part 32. The shoulder part 35 and the lower end part 37 are due to their engagement on the shoulder 36 or in the groove 38 on the duct wall 25e arranged in an effective manner blocking and therefore not after in the channel can be moved up or down. The upper free end 34 increases the elastic preload force of the support part 29 of the Lampensockel.-Kontaktteiles to give this unit a larger one To give strength.

When the adapter of the invention is assembled, the conductor 23 shaped as shown in FIG. 4 and then only in the channel 25 arranged with the clamping part 32a being mounted in the channel 26. After that, will the reinforcement spring 33 is arranged in the channel 25, as shown in FIG. While the lower end of the conductor 23 is shown as if it were by bending Shaped to form the socket contact part 19, it should be noted that the Socket contact part can also have some other shape, such as a separate one contact button, which would then be electrically connected to conductor 27.

The conductor 24 is essentially the same as the conductor 23, with the difference that the lower end at a distance from the free end of the stem part of the adapter body ends and is bent over at 40 and appropriately connected to the socket contact part 18 is connected, for example by a soldered connection, namely at the point at which the conductor 24 runs through one of the openings 28. A reinforcement spring 41 is provided for the conductor 24 and is designed in the same way as the reinforcement spring 33, and therefore need not be described in detail since the description the shape and mode of action of the spring 33 is sufficient.

Thus, one of the conductors is electrical with a socket contact part connected and the other conductor is electrical with the other barrel contact part tied together.

A reflector assembly 41 is attached to the adapter body 11, in order to form a light column in front of the adapter and the most effective way of the to utilize energy emitted by the lamp 16. This reflector assembly includes two reflector segments 42 which are carried by two reflector brackets 43.

-Each reflector segment 42 consists of rectangular shaped flat ones Pieces of translucent material that have at least one two-tone coating wearing. While the segment is shown as being flat, it could if necessary be curved. The translucent material or the carrier is preferably made of a heat-resistant glass, however, it could also be made from another suitable one Consist of substance. The two-tone coating is preferably only on one side applied, but could also be applied to both sides of the carrier, and is preferably applied to that side of the support that of the lamp 16 is facing. The present invention does not limit the types used two-tone coating, however, it is preferred that the two-tone coating is provided in the form as it is in the above-mentioned further proposal of the Applicant's disclosed to cooperate with the lamp and a color corrected To form pillar of light.

So the coating would be able to cover essentially all of the reflecting visible radiant energy and essentially all of the invisible Let radiant energy pass through, the latter also including the infrared radiant energy includes. In order to create a color-corrected column of light, it would also be necessary to that the two-tone coating also has a certain amount of visible radiant energy lets through.

Form two holders 43 arranged opposite one another the support for two reflector segments 42. Each bracket 43 comprises a V-shaped Body 44 with two downwardly extending tabs 46 which are received in holes 47 formed in the ceramic body 11. The lower edge 48 each Bracket has an inverted V-shape and rests directly on the surfaces 49, the are formed on the ceramic body and in mating with the lower edge 48 Way are inclined. The upper edge of each bracket is V4-shaped and forms surfaces 59, at which the edges of the reflector segments 42 abut. To the Attaching the segments to the brackets is a triangular support Shoulder 51 provided at the junction of the surfaces 50. Lie on that shoulder the edges of the reflector segments, as is particularly shown in FIG.

Retaining tabs 52 are formed on the brackets and grip hook-shaped over the opposite ends of the reflector segments to a lateral displacement to prevent the refector segments against the brackets. Retaining tabs 53 are Provided at the upper ends of the brackets to hook-like over the outer ones To grip the edges of the reflector segments and prevent them from moving along the V-shaped surfaces 50 to secure and around the reflector segments locking on the triangular Shoulder 51 to attach The lower ends of the tabs 46 will welm the tabs 46 are inserted into the holes 47, bent at 46a to the brackets on the To fasten the adapter body in a locking manner.

The brackets 43 are preferably made of a fabric with good Thermal conductivity, such as aluminum, but it can also come from another Consist of substance. Ventilation holes 54 may be provided in the brackets to to facilitate the movement of air around the reflector.

To prevent radiant energy from passing through the reflector segments 42 has passed through, is reflected back again, are the adapter body halves formed with projections 55, on which said surfaces 49.

are attached, which sit behind the reflector segments 42. the inclined surfaces 49 cause the absorption and / or reflection of the incident on them Radiant energy away from the reflector segments 42. This will make the further Mixing of undesired radiation energies in the light column is prevented. While the reflector is shown as consisting of two segments 42 on it pointed out that any number of segments, whether flat or curved, can be used, or that a single reflector part instead of the segments could be used.

Although not illustrated in the drawings, additional Reflector units are attached to the body 10 by the reflector segments 42 reflected radiation energy and at least part of the directly emitted To collect and mix energy. This would affect the light intensity and the color correction created a more uniform light field.

Furthermore, another reflector holder could be provided which could wear a front lens, through which the reflected and the immediate radiated energy would pass through. This lens could dissipate the radiant energy or collect, block out the immediately radiated infrared energy or a form colored light column.

It should be noted that modifications and changes have been made can be done without departing from the scope of the novel aspects of the present invention to leave. Therefore, the invention is only limited by the scope of the following claims limited.

Claims (10)

PATENTAN'S CLAIMS i. Lamp adapter for double lamps, marked by a ceramic Y-shaped body (11) with a main stem (12) and two diverging Arms (13) extending from one end of the main stem, two socket contact parts (18, 19) at the free end of the stem, cavities (25, 26) in the body leading from run from the free end of the main stem to the free ends of the arms, each other opposing lamp receptacle openings (in the free ends of the arms and in Connection to the cavities, two strip-shaped conductors (23, 24) made of resilient Material, with a conductor arranged in each cavity of the arms and of the lamp-receiving openings (14) runs to the free end of the main stem, lamp-base joint parts (15) at the ends of the ladders lying in the arms that point onto the lamp receptacle openings (14) are aligned, wherein the one conductor (23) with the one socket contact part (19) is connected and the other conductor (24) with the other socket contact part (18) is connected, a reflector (41), means (43) for holding of Reflector on the adapter body behind a lamp - (16) by the lamp contact parts with the reflector reflecting visible radiant energy from the lamp. 2. lamp adapter for a double-ended lamp according to claim 1, characterized characterized in that there is one reinforcing spring (33, 41) in each cavity of the arms (13) is arranged and cooperates with the relevant strip-shaped conductor (23, 24), to press the ends of the lamp contact parts towards each other and against each conductor to secure lateral movement in the cavities. 3. lamp adapter for a double-ended lamp according to claim 1, characterized characterized in that the reflector comprises a translucent support which on at least one side with means for reflecting substantially all of the visible Radiant energy and to let through essentially all of the invisible Radiant energy is provided, and that on the ceramic body behind the reflector Means (49) are provided by which it is prevented that the reflector transmitted radiation energy is reflected back again by the reflector. 4. lamp adapter for a double-ended lamp according to claim 3, characterized characterized in that said means consist of inclined surface extensions (49, 55) exist on each side of the main stem at the junction between the main stem and the poor are trained. 5. lamp adapter $ dr a double-ended lamp according to claim 1, characterized characterized in that the reflector comprises two V-shaped segments (42), and that the reflector holder has two upwardly extending holder parts (43), which are attached to the body and cooperate to form the reflector segments Retain (42) by engaging at its opposite ends. 6. lamp adapter for a double-ended lamp according to claim i, characterized characterized in that the socket contact parts (18, 19> as a screw base for the adapter are designed so that the adapter is screwed into a screw socket can be. 7. Y-shaped lamp adapter for a double-ended lamp, marked by two adjacent, identical ceramic halves that form a body form, which comprises a main stem and two diverging arms that of one End of the main stem going out, means that fasten the two halves together, a socket contact part, which is attached to the free end of the stem, into the Body halves formed channels, which together form cavities, which are from the free End of the main stem to the free ends of the arms run, lamp socket opening in the facing free ends of the arms, each with a strip-shaped conductor in each cavity of the arms, with lamp base contact parts at one end that open on the lamp base receiving openings are aligned to accommodate a double ended lamp to grasp and carry, with a ladder at its other end qit dem Socket contact part is connected and the other conductor at its other end so is designed that it has a socket contact part in the middle of the free end of the Main stem forms, a reflector, and means for holding the reflector the halves of the body behind a lamp held by the lamp contact parts, wherein the reflector reflects the visible energy emitted by the lamp. 8..Y-shaped lamp adapter according to claim 7, characterized in that that the reflector comprises a translucent support on at least one The side is mediated by essentially all of the visible radiant energy reflected and essentially let through all of the irradiating radiant energy and that means are provided on the body behind the reflector, by which prevents the radiant energy transmitted by the reflector is reflected back through the reflector. 9. Y-shaped lamp adapter according to claim 8, characterized in that that the latter means off on each side of the main stem behind the reflector trained approaches exist, the surfaces' exhibit opposite to the axis of the main stem are inclined. 10. Y-shaped lamp adapter according to claim 7, characterized in that that the first-mentioned socket contact part consists of a screw jacket with the second-mentioned version contact part cooperates to a screw base form. ii. Y-shaped lamp adapter according to claim 7, characterized in that that the reflector comprises two Vw rmig arranged segments, and that the reflector holder comprises two upwardly extending bracket members that are attached to the body and the segments by engaging opposite ends of the segments hold. L e r s e i t e