SE505876C2 - Lighting equipment - Google Patents

Abstract

The invention relates to a light fitting comprising at least one light unit (26) for use in a refrigerator or freezer space, said space having at least one door arrangement (5, 7, 15, 16, 17; 6, 8, 15, 16) of the type found in convenience goods stores for display of merchandise (11). The door arrangement (5, 7, 15, 16, 17; 6, 8, 15, 16) comprises at least one door opening (5; 6) and at least one door post (1). The light fitting is located along the door post (1) on the side (3) facing the refrigerator or freezer space and comprises a frame (21) and at least one essentially transparent holder (24), which is attached to the frame (21) in a manner allowing it to be moved aside. In the attached position, the holder (24) forms a cover above the light unit (26), which cover essentially seals against the frame (21), and the light unit (26) is attached to the holder (24). The holder (24) is hingedly mounted for movement between an inwards pivoted position wherein the holder (24) forms said cover over the light unit (26) and an outwards pivoted position, wherein the light unit (26) is accessible for facilitating servicing and like measures, and the hinge (25) of the holder (24) is spaced from the door post (1).

Description

10 15 20 25 30 35 505 876 screens off, filters and / or breaks it generated by the light unit 14 the light so that the shelves 9, 10 between adjacent door posts are lit. up in a smoother way. At the covers that have lenses or prisms for to refract the light, however, light losses occur in the lenses resp prisms. To compensate for these light losses are used at a part lighting fixtures according to prior art special fluorescent lamps, which have higher brightness, and which are more expensive than standard type fluorescents. This can cause problems when replacing fluorescent lamps, as the wrong fluorescent lamp can be inserted into the lighting fixture. It is also appreciated that hoods have lenses or prisms are relatively expensive to manufacture.

With lighting fixtures according to known technology, it is also difficult to replace or service parts of the light unit 14. Out- the space between the cover 13 and a shelf arrangement which is arranged behind the cover 13 is often small. The cover 13 can, for example, be attached by means of snap fitting or by means of from the doorpost 1 running stirrups.

It is realized that it is difficult to loosen the cover 13, for example replace fluorescent lamps, and on the other hand fasten the cover 13 in place again in this narrow space. It is also understood that the temperature in the refrigerator or freezer compartment also affects the motor skills of a person who is to perform these measures negatively.

Prior art lighting fixtures also have a relatively large space inside the cover 13, which is not occupied by light unit 14. This space must be heated by the light unit 14 to increase its efficiency.

An object of the present invention is therefore to provide a lighting fixture that enables easy service of lighting unit, which provides even lighting of the exposure surfaces in the cooling or the freezer compartment.

This object is achieved according to the present invention with a luminaire with at least one light unit for a refrigerator or freezer space according to the appended claims.

Other features and advantageous embodiments appear from the description.

In the following, presently preferred embodiments of the present invention in more detail with reference to attached drawings. 10 15 20 25 30 35 505,876 In fi g 1 is shown schematically in a sectional view from above an example of one prior art lighting fixture arrangement.

In Fig. 2 is shown schematically in a sectional view from above a according to lighting fixture arrangement according to a first embodiment.

Figure 3 schematically shows a light fixture suitable for lighting in an exploded view.

Similar or similar parts in the different figures have the same reference designations.

In fi g 2, two door posts 1, and two doors 7, 8 are shown schematically.

The doors 7, 8 may have frame parts 15, between which one preferably transparent unit 16, for example comprising glass sheets, is provided.

At the left part of the door 7 in fi g 2, a passage joint arrangement 17. The door construction enables exposure of goods 11 through the units 16 for, for example, a customer in a store, and also enables, for example, the customer to open the door 7 and 8, respectively pick items 11 from the shelf 9 resplO.

The right-hand luminaire shown in 2 g 2, with it general reference numeral 20, has a body with it the general reference numeral 21, which in the embodiment shown comprises a rectifier part 22 and a top part 23. The rectifier part 22 is preferably by means of snap fastening attached to the door post 1. The top part 23 has, for example, as shown in Fig. 2, a groove in which the reactor part 22 upper part is attached. The body 21 also comprises side pieces 29, which are attached to the short sides of the luminaire 20. Figure 3 shows the how a side piece 29 is attached to one of a lighting fixture short side. For clarity, the side piece that is to be attached is not shown at the other short side of the luminaire.

Reference is now made eat to ñg 2. The lighting fixture 20 has in the embodiment shown is two substantially transparent holders 24, which preferably by means of hinges 25 are articulated to the top part 23. The hinges 25 are arranged at a distance from the door post 1, and in the embodiment shown are substantially parallel to the door post 1. The hinges 25 are provided by moving the holders 24 into grooves in the top part 23, which means that the hinge construction is simple and cheap.

At each holder 24, at least one with the general reference the designation 26 indicated light unit attached. The lighting unit 26 comprises 10 15 20 25 30 35 505 876 preferably a fluorescent lamp 37 (see ñg 3), which is connected in a known manner to fluorescent holder 27 at each end, which fluorescent holder 27 in turn on known method, for example via lines 28, are electrically connected to one another reactor and contact means (not shown) for switching on and off and power supply to the lighting unit 26. In ñg 3 schematically shows an example on how a fluorescent lamp 37 can be attached to a fluorescent lamp holder 27 extensively a standard type fluorescent connector, which is attached to an angle iron, which in turn is attached to the holder 24. The figure is shown for clarity only how a light unit 26 at the left part of the luminaire should be attached. It will be appreciated, however, that the corresponding attachment may be utilized to attach a light unit to the right part of the lighting fixture. Of For reasons of clarity, the electrical connection of the 26 lighting unit 26 is also not shown. with, for example, the above-mentioned reactor and contact means.

Reference is now made again to fi g 2. The light unit 26 is arranged between the holder 24 and the body 21, and the holder 24 is as shown the design is articulated between a swung-in position (see left part of the luminaire 20 in ñg 2) where the holder 24 forms a counter- but 21 substantially sealing cover for the light unit 26, and a flared one position (see the right part of the lighting fixture 20 in Fig. 2) where the lighting unit 26 is accessible for ease of service and the like.

The holder 24 has a lens hood 30, which is arranged to filter light generated by the light unit 26 which is directed towards the door opening 5, 6 when the holder 24 is arranged in the pivoted position for avoiding re fl exe in the door 7, 8, and which is arranged to reduce the risk of glare for example, a customer in a store looking at the lighting fixture When the holder 24 is arranged in said swung-in position. Lens protection it can, for example, filter out everything visible, generated by the light unit light which is directed towards the door opening 5, 6, or can let one through part of this light. The lens hood 30 is preferably extended along the entire holder 24. The lens hood 30 can be an integral part with the holder 24 as shown in Fig. 2, and may then, for example, be lacquered, semi-transparent or provided with an opaque tape. It is understood that the lens hood 30 can also, for example, be a part which is fixedly connected the one with the frame 21 or the door post 1.

The holder 24 also has a handle part 30 for facilitating for fl moving the holder 24 between the swung in and the swung out the situation. In the preferred embodiment shown, the lens hood 30 is also present 10 15 20 25 30 35 505 876 handle part 30. The holder 24 is preferably by means of a fastening member 31 detachably attached in the retracted position. The fastener 31 is preferably a snap-fit attachment, and the handle portion 30 preferably forms a lever rod for facilitating the action of the fastening member 31 when moving of the holder 24 to or from the swung-in, fixed position.

The reactor part 22 has a reactor means 32 at an anti-light unit. 26 turn side. The reflector means 32 are arranged to reflect the lights of the 26 lighting units for increased brightness and evenness of the lighting along the entire shelves 9, 10. This results in the exposure of the goods ll increase. The reactor means 32 may be a separate unit attached to the rectifier part 22, or may as shown in fi g 2 be an integral part of the rectifier section 22.

In the embodiment shown, the reactor means 32 has substantially concave shape to provide the directing effect of that of the light unit 26 generated the light. The side of the counter member 32 facing the light unit 24 in the embodiment shown has a substantially convex shape.

The shape of the reactor means 32 and the light unit 26 make it possible to the space between the body 21 and the holder 24 is substantially occupied by fluorescent lamp 26. The efficiency of fluorescent lamps 26 is reduced. runs at low temperatures, and lighting units 26 of this type can for example, have an advantageous working temperature of about + 35 ° C. It is therefore advantageous that the space between the frame 2 1 and the holder 24 substantially occupied by the light unit 26 so that only a small space needs to be heated by the light unit 26.

The lighting fixture 20 has, as shown, preferred the embodiment has a substantially symmetrical shape around a display designation A specified plane, and has in the shown embodiment a first 24 'and a second 24 "holder between which the body 21 is used arranged, the light unit 26 'belonging to the first holder 24' is arranged to illuminate goods exposed through a first door opening 5, and wherein the light belonging to the second holder 24 the unit 26 ”is arranged to illuminate goods exposed through it second door opening 6. Thanks to the two of the lighting fixture 20 light units 26 ', 26 ”are arranged in the manner shown in fi g 2 is it surface exposed to the cold area of the refrigerator or freezer compartment and which affects the temperature at and thus the efficiency of the the unit 26 'and 26', respectively, are relatively small. Because the lighting units 10 15 20 25 30 35 505 876 26 'and 26' are arranged next to each other in the pivoted position provided there is also the advantage that they heat each other to increase 26 'and 26' efficiency of lighting units.

The rectifier part 22, the top part 23 and the holders 24 are mainly made from extruded profiles.

In the left part of fi g 2 a lighting fixture is shown with the general reference numeral 34. The right of this nature 34 part has the same structure as the right part of the luminaire 20.

Since it is arranged at an end door post, the luminaire 34 does not any lighting unit 26 arranged at its left side. Instead, examples for example, an insulating part 35 may be arranged in the space between one left holder 36 and the reactor part 22. The insulation part 35 is arranged to insulate this space from the cold to increase the possibilities also for the lighting unit 26 of this luminaire 34 to operate under temperature conditions that result in good efficiency. The holder 36 may have the same shape as the holder 24, but may also, as shown in FIG 2 be designed without a lens hood / handle part to be smaller space consuming.

In the area below the rectifier part 22 there are at the shown the embodiment of the luminaires 20, 34 a space 33 in which pelvic power lines 28 can be routed. This space is at the shown the guide shape delimited by a channel in the door post 1 and the lower one the part of the reactor part 22 in the area of the lighting fixture 20, 34.

According to a preferred embodiment, this space 33 is delimited by a protective cover (not shown) along portions of the door post 1 which do not have the luminaire 20, 34. Thanks to this, the cooling effect is reduced from the space 33 on the lighting fixture 20, 34.

Due to the fact that the hinges 25 are arranged at a distance from the door post 1, and thanks to the lighting unit 26 being attached to the holder 24 easy service and repair of the lighting unit 26 is possible, since it in the flared position is easily accessible through the door opening 5, 6.

Thanks to the handle part 30 and the snap connection 31, it is also easy to move the holder 24 between the flared and flared the situation.

Thanks to the armature arrangement of the luminaire 20, 34 there is even lighting over the entire shelves 9, 10 without unnecessary light losses such as when using prisms, lenses and the like. The 10 15 20 sus 8761 construction of lighting fixtures, including with respect to the small space between the holder 24 and the body 21 and with respect to the fact that each light unit 26 has a small area against it cold area in the refrigerator or freezer compartment, causes the light units 26 can operate under such temperature conditions that a good degree of them is ensured.

Since the lighting fixtures 20, 34 are only made of a few parts, they are also cheap to manufacture and easy to assemble Together.

It is recognized that it is possible to make certain deviations from the written embodiments. Thus, the luminaires 20, 34 do not need be arranged along substantially vertical door posts 1, but can also be arranged, for example, along substantially horizontal doorposts. The holders 24 also do not have to be attached to the respective frame 21 by means of threaded joints 25, but can be attached to the frame 21 on which in some way as long as they are removable from the body 21 in a manner to facilitate service, repair or the like by corresponding light unit 26. It will also be appreciated that, for example, the part 22 and the top part 23 could be manufactured as a detail in instead of as two details as in the embodiments shown. All variants and modifications included by the underlying the concept of invention shall, however, be covered by the appended claims.

Claims (9)

10 15 20 25 30 35 505 876 PATENT REQUIREMENTS Lighting fixture with at least one lighting unit (26) for a refrigerator or freezer compartment, which compartment has at least one door arrangement (5, 7, 15, 16, 17; 6, 8, 15, 16) of the type available in the grocery trade for exposure of goods (11), which arrangement (5, 7, 15, 16, 17; 6, 8, 15, 16) comprises at least one door opening (5; 6) and at least one door post (1), the lighting fixture being arranged along the door post (1) at the side (3) facing the cooling or freezing space, characterized in that the lighting fixture has a frame (21), and at least one substantially transparent holder (24) removably attached to the frame (21). ), to which the light unit (26) is attached and which constitutes a housing substantially sealing against the body (21) for the light unit (26) in the attached position. Device according to claim 1, characterized in that the holder (24) is hingedly movable between a pivoted-in position where the holder (24) constitutes said cover for the light unit (26), and a pivoted-out position where the light unit (26) is accessible for facilitation. of service and the like. Device according to claim 2, characterized in that the hinge (25) of the holder (24) is arranged at a distance from the door post (1). Device according to one of Claims 2 to 3, characterized in that the holder (24) has a lens hood (30), which is arranged to filter light generated by the light unit (26) which is directed towards the door opening (5; 6) in the retracted position. Device according to one of Claims 2 to 4, characterized in that the holder (24) has a handle part (30) for facilitating the movement of the holder (24) between the swung-in and the swung-out position. Device according to Claim 4 and 5 in combination, characterized in that the cover (30) is the handle part (30), that the holder (24) is detachably fastened in the pivoted position by means of a fastening means (31), and that the handle part (30 ) is a lever for actuating the fastener (31). Device according to one of the preceding claims, characterized in that the body (21) has, on one side facing a light unit (26) 8-76 505 8-76, a reactor means (32) arranged to reflect the light of the light unit (26). for illumination of and thus exposure of goods arranged in the refrigerator or freezer compartment (11). Device according to claim 7, characterized in that the reactor means (32) has a substantially concave shape, that the side of the light unit (26) facing the reactor means (32) has a substantially convex shape, and that the space between the body (21) and the holder (24) is substantially occupied by the light unit (26). Device according to one of the preceding claims, characterized in that the door post (1) is arranged between a first (5) and a second (6) door opening, and in that the lighting fixture has a first (24) and a second (24). ") holders between which the frame (21) is arranged, the light unit (26) belonging to the first holder (24) being arranged to illuminate goods exposed through the first door opening (5), and the one belonging to the second holder (24) ") Belonging to the lighting unit (26") is arranged to illuminate goods exposed through the second door opening (6). 10 15 20 _ "x .... L .... | --Q- 10 SUMMARY The invention refers to a lighting fixture with at least one lighting unit (26) for a refrigerating or freezing space, which space has at least one door arrangement (5, 7, 15, 16, 17; 6, 8, 15, 16) of the type available in the grocery trade for displaying goods (11). The door arrangement (5, 7, 15, 16, 17; 6, 8, 15, 16) comprises at least one door opening (5; 6) and at least one door post (1). The lighting fixture is arranged along the door post (1) at the side (3) facing the cooling or freezing space, and has a frame (21) and at least one holder, substantially transparent holder (24) removably attached to the frame (21). The holder (24) constitutes a housing substantially sealing against the body (21) for the light unit (26) in the fixed position, and the light unit (26) is attached to the holder (24). The holder (24) is hingedly movable between a retracted position where the holder (24) constitutes said cover for the lighting unit (26), and a swung-out position where the lighting unit (26) is accessible for facilitating service and the like, and the holder (24) hinge (25) is arranged at a distance from the door post (1) - (Fig. 2)