NO320034B1 - Levocetirizine - Google Patents

Abstract

The cabinet has an chamber (2) accessible via doors, flaps or similar with at least one air inlet for at least one externally generated cooled circulated air flow, at least one air outlet and at least one lamp (21-21'''). Each lamp has a closed housing with at least partially transparent walls (22-22'''). At least one lamp housing has an opening towards the chamber; the interior of each housing with an opening takes part in forming the air outlet.

Description

The invention relates to a showcase for presentation, in particular sales presentation of fresh goods, preferably fresh bakery and/or pastry goods, with the help of operable closing devices, such as doors, flaps etc., accessible from the outside, essentially a box-shaped reception room, which has at least one air inlet for in at least one externally generated cooled circulating air flow as well as at least one air outlet for removing the oven air from the goods receiving room, the display case being equipped with at least one lamp that produces light in the goods receiving room.

In the case of showcases that serve as a sales presentation, the side of the showcase that faces customers standing in front of the showcase can be termed the customer side and the opposite side, where the service staff working in the business are located, can be termed the service side.

The box-shaped goods reception room has a glass front wall on the customer side so that the customer can view and choose the presented goods.

The goods reception room is divided into rooms by means of intermediate shelves or insert shelves. The hatched space is in the area of a rear wall and thus on the operating side closed with a respective assigned closing device. If an operator opens a closing device, the goods can be taken out from the opened goods compartment. In an appropriate way, the back wall with its closing elements also consists of transparent material, which makes it easier for the operator to access the item selected by the customer.

After removal of the goods, the corresponding goods room and thus the goods receiving room are closed again, so that the goods receiving room forms a box-shaped chamber closed on approximately all sides. The interior of the goods reception room is cooled to maintain the freshness of the presented goods. For this, cooled air is blown into the goods reception room through an air inlet. Through an air outlet, the blown-in cooled air is extracted again. Thereby, a continuous recirculation of air is established in the form of a circulating air flow. The ambient air flow enters the goods receiving room with a low initial temperature. The exhaust air flowing from the goods reception room through its air outlet has a higher temperature than the inlet temperature, as the exhaust air has been heated on its way from the air inlet to the air outlet.

This heating takes place e.g. due to an in and of itself undesirable air exchange when closing devices are opened, since warm air can thereby enter the goods reception room from the vitrines' surroundings. There is also an introduction of heat through the walls of the goods reception room.

It is therefore necessary for showcases to keep the interior of the goods reception room at as uniform a cooling temperature as possible. The energy required to produce the cooled air constitutes a not insignificant cost factor for the retailer who sells the product presented, and who often has several showcases at the same time.

The task underlying the invention is to lower the ongoing operating costs, particularly for cooling, with a display case.

This task is solved according to the invention by means of the features specified in the characterized part of patent claim 1. Further advantageous features of the display case according to the invention appear from the subordinate patent claims 2-16.

With showcases of the above type, it is common to install lamps that brightly and evenly illuminate the interior of the goods reception room, so that the goods placed in the individual goods rooms in particular are presented in an optimal way.

Lamps are heat producing and due to their location in the goods receiving room they increase the need for a disposable cooling capacity.

If temperature sensors are present in the goods receiving room and which affect the external cooling system, a necessary higher cooling performance can lead to undesirable dew point undershoots, condensation and even ice formation, especially at the air inlet. Furthermore, the transparent walls of the goods reception room can become wet with condensation and thus become opaque. With the precautions according to the invention, these disadvantages of a showcase are avoided as the required cooling performance can be kept low by switching off the lamp heat. The lamps display encapsulated housing parts that serve to remove the exhaust air from the goods reception room. Each lamp housing is thus part of a guide channel which participates in the formation of the air outlet. Cooled air is sucked from the goods reception room into the lamp housings and, after passing through the housings, it is led away through air ducts, air shafts etc. flow paths that participate in the formation of an air outlet. The total air outlet and thus also the associated air ducts, air shafts etc. flow paths, respectively in the last instance also the interior of the encapsulated lamp housings, are assigned to the suction side of a with e.g. fans equipped with an external cooling system in which the air that has been sucked out through the total air outlet from the goods reception room is cooled and then re-supplied to the air inlet to the goods reception room.

The lamps are thus cooled in an advantageous manner, so that the heat released during the conversion of electrical energy into light is eliminated or carried away at the place where it is formed, even inside the lamp housings. The lamp housings themselves can no longer be heated as a stream of relatively colder air from the goods receiving room constantly flows into the lamp housings and sweeps through the lamp housings along the light fixtures installed therein.

Unfortunate heat radiation, especially directly towards the heat-sensitive product located under the lamps, no longer occurs with the display case according to the invention either.

The lamp housings themselves form closed flow channels. In each lamp housing, cooled air from the goods reception room, also from the lamp housing's surroundings, can pass through openings, slits, recesses etc. open areas or windows enter a lamp housing wall. The open areas can also be provided with inserted strainers or also be equipped with setting means for setting their opening width, e.g. with movable closing slats, sliding slot gratings, etc.

The installation of the lamp housings in the goods reception room takes place in such a way that a suction or exhaust air duct which is connected to the air outlet is connected in at least one place in the interior of the respective lamp housing. In the case of a lamp housing which is in the form of an elongated hollow profile made of metal or plastic and which can extend under an intermediate shelf from side wall to side wall in the goods receiving room, the above-mentioned connection point to a suction or exhaust air duct is one end or one front side of the hollow profile. Both ends or both front sides of each lamp housing are preferred, which are available as a continuous hollow profile connected to the assigned side wall in such a way that a suction exhaust air duct located in the side wall and which runs across the floors formed by several intermediate shelves in the goods receiving room is air-conductingly connected to several above each other and approximately parallel to each other lying lamp housings with their ends and front sides respectively.

In the case of a lamp housing that is present as an elongated hollow profile, the recess through which air can flow into the lamp housing from the outside is arranged approximately in the middle with regard to the longitudinal extent. If both ends of the elongated lamp housing are connected to an air duct that serves as part of the air outlet, a flow of colder air directed from the middle to the respective ends or front sides arises in the lamp housing, which on its way to the ends of the lamp housing absorbs heat and finally away - is transported. The lamp is continuously cooled.

Of course, it is also possible to arrange several recesses arranged over the length of a lamp housing through which the air can flow. In doing so, however, the device must ensure that no flow dead areas occur in the lamp housing. This can e.g. is effected by means of different widths of the recesses. Are the recesses e.g. slits, then the slit width in the center of the lamp housing placed recess can be larger or the slit widths can decrease in the direction towards the respective end of the lamp housing.

Air ducts are integrated into the side walls of the display case, to which the existing lamp housings in the form of hollow profiles are connected. Each air duct can be a shaft-shaped design which is inserted into an insulating layer of the side wall. The air ducts are thus occupied or integrated into the respective side wall. It is also possible to introduce components that serve as air ducts, e.g. profiles, in the respective side wall or in its insulating material.

The showcase according to the invention presents a cupboard-like underframe for the goods reception room standing on it. In the undercarriage, the facility for producing a cooling circulating air flow is arranged, as the bottom of the goods receiving room simultaneously forms a cover for the undercarriage and which has openings that serve as air inlets and air outlets for the goods receiving room. These openings are air duct shafts on the undercarriage side which are assigned to mouths on the suction side and the pressure side of the system for producing a cooled circulating air flow.

The showcase can be delivered as a building kit of pre-manufactured parts. The components are put together on site to form the ready-to-operate showcase. However, the chassis can also be a complete building unit manufactured in advance with all built-in components and which is only placed in the pre-determined place at the place of installation of the showcase. On top of that, the goods reception room completed as a finished building unit can also be placed, since connections only need to be made between the building units, e.g. screw connections, as well as that electrical cables, e.g. for the lamps, are connected to each other at school sites arranged and prepared for this.

As the bottom of the goods receiving room also forms a cover for the undercarriage and has openings that serve as air inlets and outlets and these openings are mouths for assigned air duct shafts on the undercarriage side, optimal precautions have been taken in advance to distribute the cooled air supplied through the air inlet by the inflow into the goods reception room and after the flow through the goods reception room again to remove the air from there.

For this, the first opening for an air inlet is placed in an area located in the transition area between the bottom of the goods receiving room and a front wall that limits the goods receiving room on its front customer side. The first opening then transitions into a preferred slot-shaped extension and extends almost over the total length of the goods reception room, the length of the goods reception room roughly corresponding to the display case width.

The cooled air entering through the slot-shaped expansion in the goods reception room forms an upward inflowing air curtain in the goods reception room, which splits into branches by free vortices and distributes itself in the goods reception room. Front walls of showcases are most often arranged at an angle, i.e. that the goods receiving room in its bottom area is deeper than in the upper top area. Thereby, the incoming flow of cooled air through the air inlet forms a circuit which causes an air movement directed downwards to the bottom on the back wall which is located on the opposite side of the front wall. There is at least one second opening for an air outlet and then likewise in the form of a slot in the transition area between the bottom of the goods receiving room and the rear wall which limits the goods receiving room on its rear operating side. The second opening for the air outlet also advantageously extends over almost the total length of the goods receiving room and thus approximately over the width of the showcase.

In addition to the second opening for an air outlet located at the bottom, the air outlet according to the invention also takes place through the lamp housings. Thus, part of the air from the goods reception room is removed through the other opening in the bottom area in front of the back wall and part of the air through the lamp housings.

In order to achieve adapted flow conditions, the openings in the bottom area in front of the rear wall and/or the front wall can be arranged to be adjustable. It can e.g. a change in the width of the opening for the air outlet is envisaged, e.g. by means of control sliders etc. as these are also used in air conditioning and ventilation systems.

The box-shaped goods receiving room preferably comprises one of profiles, especially plastic profiles, preferably plastic hollow profiles, composite frame construction in whose free frame field the front wall, the back wall, the side walls as well as an upper disk plate and the lower bottom are inserted. With the help of such a light and open construction method, the goods reception room can be given an appealing exterior, without having to include in the purchase a loss in connection with strength and stability. A particular advantage also results from the fact that the profiles in the frame construction can be hollow profiles which in turn at least partially participate in the formation of air outlets and the removal of recirculated air in the area of operation for an air duct shaft for removing the recirculated air. All profiles can participate in the formation of air outlets. However, it is also possible that only a predetermined part of the profiles or certain sections of the profiles participate in the formation of the air outlet.

At the same time, the bottom of the goods reception room forms a cover that closes the upper side of the undercarriage. The cover is advantageously a double-walled plate component with an internal insulating layer that prevents heat radiation from the system placed in the undercarriage for cooling the circulating air into the goods receiving room.

The surface of the cover that faces the goods receiving room is advantageously provided with a trough-shaped depression, the trough-shaped depression being covered with a cover plate, which ends at a predetermined distance from the front wall and from the back wall forming slot-shaped first and second openings for air inlet and air outlet .

The system for cooling the air is located in the chassis approximately in the middle of the showcase. However, it can also be more or less offset in the direction towards the display case's end sides. Air conduit shafts assigned to the plant for cooling open into the trough-shaped recess, a separation plate being provided that disconnects the mouth area located on the underside of the cover of a suction side air conduit shaft assigned to the air outlet, in relation to the mouth area of a pressure side air conduit shaft which is assigned to the air inlet.

This design has the significant advantage that the inflowing cooled air from the air duct shaft, which is assigned to the air inlet, first flows into the trough-shaped recess and is distributed almost over the total surface of the cover before an outlet from the trough-shaped recess through the first slot-shaped expansion of the opening in front of the front wall flows into the goods reception room. At the same time, by this distribution of the cooled air flowing in from the air duct shaft into the trough-shaped recess, the cover is cooled from the underside, so that the goods receiving room has an advantageous constantly cooled bottom.

With regard to the distance between the rear wall and the front wall, the dividing plate is thereby arranged offset in the direction towards the rear wall, whereby the cooled area for the bottom in the goods receiving room becomes larger. Through the slot-shaped expansions of the first and second openings, further conduit elements for the respectively outgoing air can also be arranged and which can be used for regulation and setting of the air flows and which can also serve as "crumb strainers" which prevent that due to water-borne falling parts of the presented goods enter the air duct shafts.

An embodiment of the invention from which further inventive features appear is shown in the drawings, in which:

Fig. 1 shows a side elevation of a showcase in section.

Fig. 2 shows a longitudinal section of the display case according to fig. 1, and

Fig. 3 shows a schematic view of the showcase with schematically drawn flow paths for the cooling circulating air. Fig. 1 shows a cross-section of a showcase for presentation, in particular sales presentation of fresh goods, preferably fresh bakery and or pastry goods. The display case shows a cabinet-shaped base 1 for an above-standing goods reception room 2.1 the base is arranged with a facility for producing a cooled circulating air flow and whose cooling machine is denoted by 3. The low-temperature cooling medium prepared by the cooling machine 3 is sent in a circuit through a heat exchanger 4. The heat exchanger 4 sits in a chamber 5 on the base 1 of the showcase. Chamber 5 is on

with the help of a dividing plate 6 on the undercarriage side divided into separate air duct shafts 7 and 8. The dividing plate 6 has in the lower area through windows 9 in which electric fans 10 are inserted.

The chassis 1 is closed on the upper side with a cover 11. The cover 11 is a double-walled plate component with an inner insulating layer 12.

The cover 11 also forms the bottom for the goods receiving room 2. The goods receiving room 2 is formed in the form of a box and comprises profiles 13, 13', 13" and 13"' composite frame construction, in whose free frame fields a front wall 14, a back wall 15, side walls 16 and 16 are respectively inserted ' as well as an upper disk plate 17 and the lower bottom which at the same time form a cover 11 for the undercarriage 1.

The front wall 14 is located on the customer side of the display case. The back wall 15 is located on the operating side of the display case.

The front wall 14 is formed by a glass disc which, with its lower edge, is pivotally connected to the straight outer edge of the cover 11. For cleaning purposes, the front wall can be swung down.

The inner area of the goods receiving room 2 is divided into goods compartments by means of insert bases 18, 18' 18". On each insert shelf one or more small trays with the goods to be presented can be provided.

From the operating side, each goods room or each floor is formed by means of the insert shelves 18, 18', 18" accessible. The rear wall 15 consists of several closing elements 19, 19', 19" and 19"' which stand one above the other in a lamella-like manner to form it closed rear wall 15.

Each closing member is formed as a flap standing stored in cross profile 20, 20', 20" and 20"'. Each flap closes like a slat, each an assigned goods compartment in the goods receiving room 2, as the closing means can be operated individually, as they can be swung out in the direction towards the operating side of the display case to the horizontal position indicated by the dashed lines. The small tray with the respective desired product is pulled out from the respective storage shelf 18, 18', 18", with a support being made possible by means of the downward-swinging closing device 19, 19', 19" and 19" respectively. After removing the respective desired item is pushed back folded onto the storage shelf and the respective item compartment in the item receiving room 2 is closed again by swinging back the closing device.

Under each storage shelf 19, 19', 18" extends in the longitudinal direction of the display case an elongated lamp 21, respectively 21' to 21"'.

The lamp 21"' is thereby mounted under the upper disk plate 17 for the goods receiving room 1.

Each lamp 21 to 21"' consists of a housing with at least partially light-transmitting housing walls 22, 22', 22" and 22"' respectively, so that the light body 23, 23', 23" and 23"' located in the lamp housing transmits out light through the lamp housing walls in the respective assigned goods room in the goods receiving room 2, and which are located on the underside of a respective storage shelf 18,18', 18" or the upper counter plate 17. The lamp housing walls are a component of the housing for each lamp 21 to 21"'. The lamp housing here consists of a hollow profile, which at least on its end sides is made air-permeable and which opens into an air duct 24 which serves to remove circulating air. This is indicated here by means of the dotted holes 25 to 25"' and which itself on an end side or front side of a lamp 21 to 21"' at the place where the hollow-profile lamp housing for each lamp is connected to the air duct 24. The air duct 24 is here a prophylactic or a shaft-shaped construction which is int egregated in the side walls 16 and 16' respectively, which laterally limit the box-shaped goods receiving room 2.

Approximately in an area corresponding to the middle of the showcase, each housing wall 22 to 22"' for each lamp 21 to 21"' presents a recess which is open in the direction of the goods receiving room 2.

With the help of the fan 10, air is sucked out of the goods receiving room 2 through the air guide shaft 7 in the direction of the arrows drawn here. The fan pushes the extracted air into the chamber 5 and through the heat exchanger 4 installed therein. On its way through the heat exchanger 4, the air is cooled and returned to the goods receiving room 2.

Thereby, openings 26, 27 which are located at the bottom of the goods receiving room 2, and which also form a cover for the undercarriage 1, serve as air outlets and air inlets, respectively, as they form mouths for the assigned air duct shafts 7 and 8 on the undercarriage side.

The surface of the cover 11 which faces the goods receiving space 2 exhibits a trough-shaped recess 28 which is uncovered with a cover plate 29 which ends at a predetermined distance from the front wall 14 and from the back wall 15 forming slot-shaped extensions 30, 31 of the openings 26, 27 for air inlet and air outlet.

Thereby, the air duct shafts 7, 8 open into the trough-shaped recess. Thereby, the dividing plate 6 separates the mouth area located under the cover plate 29 for an air duct shaft 7 located on the suction side and which is assigned to the air outlet with the opening 26 from the mouth area of an air duct shaft 8 assigned to the air inlet on the pressure side with the opening 27. The slit-shaped extensions extend over the entire the length of the goods reception room and thus roughly over the width of the showcase.

Each air channel integrated in a side wall 16 or 16' is connected in an air-conducting manner with the upper profile 13<*>. The profile 13', like the air-conducting connected profiles 13 and 13"', is a hollow profile in which the air can flow. The lower profile 13"' with its end area facing the rear wall 15 is brought to the vicinity of the trough-shaped recess and thus to the vicinity of the slot-shaped expansion 30, 31 respectively the suction air duct shaft 7.

Air which from the interior of the goods receiving space 2 flows through the lamps 21 to 21' as well as then through the air channel 24 and the profiles 13', 13 and 13"', emerges from the profile 13"' in the area of the suction air duct shaft 7. Those in the lamps 21 to 21"' which are enclosed by their housing walls 22 to 22"' are flowed through by the air which thereby absorbs the heat produced by the light bodies 23 to 23"' and transports this away. The display case is thereby equipped with advantageous lamp cooling.

Fig. 2 shows a longitudinal section of the showcase according to fig. 1. Corresponding components are designated by the corresponding reference numbers. Fig. 2 particularly clarifies the central arrangement of the recesses 32 to 32"' in the lamps 21 to 21"', particularly in their housing walls. Each recess can be a simple slot. Sieve-like perforations are of course also possible.

In fig. 3 shows a schematic elevation of the display case for visualizing the air currents that cool the goods receiving room 2.

From the facility for the production of cooled air located below the chassis 1, cooled air flows under the influence of a fan in a continuous stream in the direction of the arrow 33 from the underside towards the cover plate 29 which is provided here with the not particularly shown trough-like depression in the cover 11 of the undercarriage. The cover 11 is also the bottom of the goods receiving room 2.1 the trough-like depression under the cover plate 29 distributes the cooled air and passes through a slot-shaped expansion 31 out between the front wall 14 and a guide plate 32, which is located at the front edge of the cover plate 29 which covers the trough-shaped depression . An air curtain of cooled air is formed which in front of the front wall 14 flows upwards and is distributed in the goods receiving room 2. Part of the air that is in the goods receiving room 2 penetrates through the recesses 32 to 32"' into the lamp housings in the cavities enclosed by the housing walls of the lamps. In the lamps, the incoming cold air flows in the direction of the arrows 34 to 34"' in each lamp to the end or front sides of the lamp, cooling the interior of the lamp. From the lamps, the air flow passes into the air channels 24 and 24', respectively, and then flows through the profiles 13', 13 and 13"', each of which includes a side wall back to the rear wall, and then especially in the area of the slot-shaped expansion 30 of the opening 26 which opens into the suction air duct shaft 7. Thereby, the circuit for the cooling recirculation flow with the participation of the encapsulated lamps is closed.

Claims (16)

1. Showcase for presentation, in particular for the sales presentation of fresh goods, preferably fresh baked goods and/or pastry goods, comprising a substantial box-shaped goods receiving room (2) which is accessible from the outside via closing means (19, 19', 19", 19'") which can operated by means of doors, flaps etc., with at least one air inlet for at least one externally produced cooled recirculation air and at least one air outlet for removing the recirculation air from the goods receiving room and with at least one lamp (21, 21', 21", 21" ') which in the goods receiving room produces light, where each lamp has a closed housing with at least partially air-permeable housing walls (22, 22', 22", 22"'), characterized in that a predetermined area of the housing walls (22, 22', 22 ", 22"') until at least one of the lamps (21, 21', 21", 21"') is arranged with at least one open recess (32, 32', 32", 32"') which opens towards the goods reception room (2) and in that the inner room of each house which is arranged with an open recess (32, 32', 32", 32"') forms a part, in the t least partially, in the design of the air outlet. 2. Showcase according to claim 1, characterized in that the housing in each lamp (21, 21', 21", 21"') consists of a hollow profile which, at least on its end sides, is designed to be air-permeable and opens into an air channel (24, 24') which serves to discharge the surrounding air. 3. Showcase according to one of claims 1 or 2, characterized in that the box-shaped goods receiving room (2) is limited on the sides by means of side walls (16, 16') and that an air duct (24, 24') is integrated into at least one of the side walls (16, 16'). 4. Showcase according to one of claims 1 to 3, characterized in that each recess (32, 32\ 32", 32"') in the housing for the lamp (21, 21', 21", 21"') calculated along the length of the housing arranged as a hollow profile is arranged approximately in the middle. 5. Showcase according to one of the preceding claims, characterized in that it presents a cabinet-shaped base (1) for the goods receiving room (2), further that the facility for producing a cooled circulating air flow is arranged in the base (1) and that the bottom of the goods receiving room (2) also forms a cover (11) for the undercarriage (1), and which have openings (27 and 26), which serve as air inlets and air outlets for the goods receiving room (2), as the openings on the undercarriage side are assigned to air duct shafts (7, 8). 6. Showcase according to claim 5, characterized in that the first opening (27) transitions into a first slit-shaped extension (31) which extends over almost the entire length of the goods receiving space (2). 7. Showcase according to claim 6, characterized in that the slot-shaped extension (31) of the first opening (27) is arranged for an air inlet in the transition area between the bottom (18) of the box-shaped goods receiving room (2) and a front wall (14) which limits the goods receiving room (2) at its front customer side . 8. Showcase according to one of claims 5 to 7, characterized in that the second opening (27) for an air outlet transitions into a second slot-shaped extension (30) which extends over almost the entire length of the goods receiving space (2). 9. Showcase according to claim 8, characterized in that the second slot-shaped expansion (30) of the second opening for an air outlet is arranged in the transition area between the bottom (18) of the goods receiving space (2) and a rear wall (15) which limits the goods receiving space (2) on its rear operating side. 10. Showcase according to one of the preceding claims, characterized in that the box-shaped goods receiving room (2) comprises a frame structure composed of profiles (13,13', 13", 13"') in a certain free frame field the front wall (14), the back wall (15) , the side walls (16,16') as well as an upper disk plate (17) and the lower bottom cover (11). 11. Showcase according to claim 10, characterized in that the profiles (13,13', 13", 13"') in the frame construction are hollow profiles which participate in the formation of air outlets and in the removal of circulating air in the working area of an air duct shaft (7) for at least partial removal of the circulating air. 12. Showcase according to one of the preceding claims, characterized in that the bottom (18) is formed as a cover 1 (11) which closes the chassis (1) on the upper side. 13. Showcase according to claim 12, characterized in that the cover (11) is a double-walled plate component with an inner insulating layer (12). 14. Showcase according to one of claims 12 or 13, characterized in that the surface of the cover (11) which faces the goods receiving room (2) is provided with a trough-shaped recess. 15. Showcase according to claim 14, characterized in that the trough-shaped recess (28) is covered with a cover plate (29) which ends at a predetermined distance from the front wall (14) and from the back wall (15) while forming slot-shaped first and second extensions (31, 31) for air inlets and air outlet. 16. Showcase according to claim 15, characterized in that the air duct shafts (7, 8) open into the trough-shaped recess (28) and that a dividing plate (6) is arranged which separates the mouth area from a suction-side air duct shaft (7) assigned to the air outlet and which is located on the underside of the cover plate (29) ) from the mouth area of a pressure-side air duct shaft (8) which is assigned to the air inlet.