CN101688726A

CN101688726A - Light/fan unit for a refrigeration device

Info

Publication number: CN101688726A
Application number: CN200780053505A
Authority: CN
Inventors: H·G·凯勒; R·普拉德尔
Original assignee: BSH Bosch und Siemens Hausgeraete GmbH
Current assignee: BSH Hausgeraete GmbH
Priority date: 2007-06-25
Filing date: 2007-07-24
Publication date: 2010-03-31
Anticipated expiration: 2027-07-24
Also published as: CN101688726B; EP2160550A1; WO2009000333A1

Abstract

Light/fan unit (1) for a refrigeration device having a base body (2) which accommodates a blower (3), is fitted with fixing means (20) on a rear face in order to be fixed in a refrigeration device inner container, and is fitted with an electrical connection (22) on a front face, and having a lighting means (41) which is connected to the electrical connection (22) via an adapter (4).

Description

Lamp/fan unit that refrigeration plant is used

Technical field

The present invention relates to lamp/fan unit that refrigeration plant is used such as refrigerator or reach in freezer, be used for being installed in the refrigeration plant inner space.Described lamp/fan unit comprises hair-dryer and lamp assembly, the blowing function is used to strengthen the air-flow of heat-exchanger surface, to improve the cooling effect of heat exchanger by the air in blend interior space up hill and dale, and make the Temperature Distribution in the described inner space more even, with, described lamp assembly is used for the illumination of inner space.

Background technology

Refrigeration plant is that everybody knows, and wherein lamp/fan unit constitutes a standard module, and it is installed in the inner space of refrigeration plant as prefabricated unit.

The defective of the lamp/fan unit of type is like this, and with respect to can be for the lighting device that adopts in the described module, these unit have enough flexibilities.When selecting the appropriate illumination device usually is based on required lighting power, and lighting power is arranged by the size of inner space then.Because the used heat that is distributed by the lamp assembly is directly proportional with its illumination efficiency, be unpractical so the lamp assembly that a power that has is higher than actual essential power is installed.For high-power lamp assembly, compare with lower powered assembly, between the possible temperature-sensitive part of actual illumination device and lamp/fan unit contiguous, refrigeration plant or shell, it needs bigger distance.Therefore, be used for the size of the lamp assembly of little general layout refrigeration plant, it is uncorrelated with power, can cause the space availability ratio of poor efficiency.In addition, in order to realize the differentiation of equipment by dissimilar illuminating effects, in different device models, use different lighting devices just more and more, might need different keepers for each the different lighting device that uses in lamp/fan unit, described keeper has different space requirements.Yet, if in common so far lamp/fan unit, adopt different lighting devices, for the production of the refrigeration plant of different models needs, lamp/the fan unit of stock's numerous species type of having to, thus, only make single type, the increase that correspondingly brings cost in a small amount.

Summary of the invention

Therefore, the purpose of this invention is to provide lamp/fan unit that a kind of refrigeration plant is used, it allows dissimilar lighting devices to be applied in the dissimilar equipment by using a small amount of dissimilar parts.

Described purpose realizes like this, lamp/fan unit that wherein said refrigeration plant is used has matrix, described matrix holds hair-dryer and fixture is installed with in the internal container that is fixed on refrigeration plant on the rear surface, and described matrix is equipped with electrical connector on front surface, and has the lighting device that is connected to described electrical connector by adapter.Because lighting device is connected to described electrical connector by adapter, so have only adapter to be complementary with the particular requirement of the keeper of lighting device, the electrical connector at the matrix place can be used in a plurality of adapters always with a kind of structure.As a result, only need a version of matrix, this has just reduced the structural complexity of the refrigeration plant that is used for different models.

Particularly advantageously be, if described electrical connector has socket and adapter has the plug complementary mutually with described socket.Therefore between matrix and adapter, needn't use expensive cable, and two parts can be installed together easily.

If the lighting device keeper of and support adapter outstanding from front surface is connected to matrix, then the structure of described lamp/fan unit is brought special benefits.If adapter is connected to matrix through the lighting device keeper, only must be provided to the electrical connector of adapter at the matrix place.In addition, different or relevant according to the lighting device in using with the design of lamp/fan unit, the lighting device keeper provides the other space that needs change, even so need the occasion of big quantity space at lighting device, also have only the shape of lighting device keeper to adapt to it, and matrix remain unchanged.

For the installation of lamp/fan unit, particularly advantageous is that the lighting device keeper has the barb that cooperates in the open top of matrix, and has the feet at the front surface place of matrix.Therefore, can be by it being injected matrix and fixing by described barb, the lighting device keeper can be connected the installation site of its anticipation with stable manner.

In addition, if described barb cooperates below the horizontal wall of matrix, matrix and lighting device keeper can advantageously be connected to each other.Thus, because the weight of lighting device, described barb can keep described lighting device and prevent that described parts are by mistake separated from one another in installation process at the matrix place.

Under installment state, matrix advantageously is connected with the lighting device keeper, so matrix is installed in the top cover below of refrigeration plant shell so tightly, to such an extent as to travelling forward of lighting device keeper stopped that by top cover described athletic meeting forward makes the lighting device keeper easily break away from the open top of matrix.

In addition, the structure of described lamp/fan unit also has other advantage, if the lighting device keeper is included in the radiation shield that extend the lighting device top.Because the shape and size of described radiation shield depend on the type of the lighting device in the use, needn't change matrix by the variation of lighting device keeper, can realize adapting of radiation shield and lighting device.

Particularly advantageously be that if described adapter comprises translucent cover, it surrounds lighting device to small part.Because many lighting devices should not contact with exposed hand, translucent cover is configured for the electric shock protection of lighting device.With lighting device and translucent cover, adapter constitutes maneuverable unit, even under the out of order situation of lighting device, it also can be replaced easily as whole unit.In addition, the effect by the light of lighting device emission is further pro played a role by the suitable layout of translucent cover.

Description of drawings

Embody in the illustrative examples that other features and advantages of the present invention provide with reference to accompanying drawing below, wherein:

Fig. 1 is the schematic cross-section of refrigeration plant, and it has according to lamp/fan unit of the present invention;

Fig. 2 a is the zoomed-in view of signal part of keeper that has the lighting device of adapter;

Fig. 2 b is the zoomed-in view of the cross section part of the matrix that is complementary of the keeper with the lighting device of Fig. 2 a;

Fig. 3 is the joint area between the keeper of matrix and lighting device, partial cross section's zoomed-in view of lamp/fan unit.

The specific embodiment

Fig. 1 represents the schematic cross-section of refrigeration plant, and wherein lamp/fan unit 1 is installed in the corner on top, rear of inner space 91.Described lamp/fan unit 1 comprises matrix 2, lighting device keeper 5 and adapter 4.

In illustrated position, matrix 2 is connected to the fixedly inner surface of shell 92 herein via fixture (invisible).Matrix 2 holds hair-dryer 3 and air cleaner 6.The lighting device keeper 5 that supports adapter 4 is installed in the front surface of matrix 2.Adapter 4 comprises lighting device 41, translucent cover 42 and lamp socket 44.

The case 7 that closely surrounds lamp/fan unit 1 is inserted into lamp/fan unit 1.Case 7 has opening and the transparent part that air is come in and gone out, this transparent part be disposed in lighting device 41 near, purpose is that the light with described lighting device emission transmits into inner space 91.Described transparent part can also be replaced by opening, and any part that contains the front portion of adapter 4 of lighting device 41 and lighting device keeper 5 is outstanding from described opening.

Compressor 93 is positioned in the rear recess part of shell 92 in the mode of knowing.

The signal amplifier section of the lighting device keeper 5 of Fig. 2 a indication lamp/fan unit 1 has adapter 4 above it.

Lighting device keeper 5 comprises support 51, and this support 51 is constructed to the elongated horizontal plate of narrow rectangular shape.Supporting the front end of 51 narrow side, merge into radiation shield 54.Radiation shield 54 similarly is made of the rectangular horizontal plate, and what form contrast is that some widens this radiation shield slightly in both sides, for the side that is broadened, can be bent downwardly a little, so the peak of radiation shield 54 makes and supports 51 and extend towards front end with supporting 51.

Narrow lateral brace 52,52 ' is all from supporting 51 upside and side-prominent down, and they are formed on supports the position away from

radiation shield

54,51 rear end.Lateral brace 52,52 ' extends through and supports 51 whole width, and separates with the rear end of supporting 51, and outstanding up and down respectively support 51 1 segment distances of crossing, and this distance approximates the wall thickness of support greatly.The rear end of support 51 is flat.

Extend downwards at 51 places in support, and keeper 56 mold pressing integratedly of basic annular is formed on the outburst area of radiation shield, and the part of radiation shield 55 can be incorporated keeper 56 into.The sweep of radiation shield 55 roughly puts in the outer bend part of keeper 56.The elongate rib 67 of rectangle is extended perpendicular to the rear end of supporting 51 plane and being parallel to described support 51, and elongate rib forms in two outside one mold pressings of keeper 56, and rib 67 can be shorter than supporting 51.Shown in figure in, the rib 67 that the one mold pressing forms on the outlying observation person's who has only drawn at lighting device keeper 5 the side.At the end away from keeper 56, each rib 67 converges into the support pin of widening a little 54.

The lamp socket 44 of adapter 4 is inserted into keeper 56, by suitable locking (not drawing), can prevent that lamp socket 44 by mistake breaks away from from keeper 56.Lamp socket 44 supports lighting device 41 and surrounds the translucent cover 42 of lighting device 41, and lighting device 41 and translucent cover 42 can be crossed keeper 56 in the direction of radiation shield 54, and described radiation shield 54 is arranged in the top of described keeper.End away from lighting device 41 in the lamp socket 44 forms plug 43, and plug is equally partly given prominence to away from keeper 56.Socket 23 is connected to the electrical connector at the lighting device 41 of lamp socket 44 inside.

The enlarged diagram of the matrix 2 of Fig. 2 b indication lamp/fan unit 1.

Matrix 2 has foursquare substantially shape.It is a horizontal wall 24 on the border of end face, antetheca 27 in front with the horizontal wall adjacency.Antetheca 27 only extends through the top of matrix 2, and reserves opening in the bottom, and air cleaner 6 is installed in the opening with respect to antetheca 7 sweptback positions.Air cleaner 6 remains on grid 61 places can discharge with interchangeable mode, and grid 61 is fixed to matrix 2 by the barb 62 that the edge with filter 6 meshes.Matrix 2 auxiliary ground in both sides by sidewall 26 limited boundaries, outlying observation person's wall in two sidewalls that only drawn in the figure.Antetheca 27 along two lateral edges in abutting connection with sidewall 26.In a downward direction in the zone of antetheca 27, described two sidewalls 26 are cut sth. askew, and this chamfered portion can be in the position of more close air cleaner 6.

In the central area of matrix 2, described matrix contains hair-dryer 3, and hair-dryer is kept by the bottom 28 of sidewall 26 and matrix 2.Sidewall 26 continues to extend towards the rear side of matrix 2 in the outside of hair-dryer 3, merges into two flanks 28, the outlying observation person's that only drawn once more among the figure flank.Flank 28 forms the rear end of matrix 2, back edge away from hair-dryer 3 in the flank 28 becomes circle and is shaped by this way in the zone up, promptly when lamp/fan unit is installed in inner space 91, it is molded into the shape at last angle of the inner space 91 of refrigeration plant.

At the rear side of matrix 2, two fixtures that the are made into integration 20 all nipple by separately are connected to flank 28, and described fixture is outwards outstanding with respect to flank.Each fixture 20 has the shape of horizontal circle cylinder, and its external cylindrical surface can flush with the back edge of flank 28.The intercommunicating pore that holds the bar of each hold-down screw 21 passes the cylinder axis of fixture 20, and matrix 2 is connected in the inner space 91 of refrigeration plant by hold-down screw.Because fixture in the drawings 20 is hidden by flank 28, described fixture comprises all being illustrated by the broken lines the hidden area of hold-down screw 21.

The cut-out 25 that forms in horizontal wall 24 is cut down from horizontal wall 24 with the form of rectangular aperture, and it is arranged in horizontal wall 24 towards the center of the leading edge of antetheca 27 and directly in abutting connection with this edge.The size of cut-out 25 is selected like this, i.e. the width of the support 51 of the corresponding lighting device keeper 5 of its width, its degree of depth only just over support 51 from lateral brace 52,52 ' the length of rear end 53 to it.

Socket 51 provides the contact of the electrical connector 22 from matrix 2 to the outside, and has the shape of replenishing mutually with the plug 43 of adapter 4, and socket 51 is disposed in the zone of antetheca 27 of matrix 2.Electrical connector 22 has electrical lead 8, electrical lead gang socket 51 and service cable 81 from refrigeration plant.Hair-dryer 3 also has to the electrical connector of service cable 81, for this purpose might be in addition as the electrical lead 82 of the branch of electrical lead 8.

The partial schematic diagram of the join domain in Fig. 3 indication lamp/fan unit 1 between matrix 2 and lighting device keeper 5.

For lighting device keeper 5 is installed on matrix 2, lighting device keeper 5 counterclockwise tilts from the horizontal direction of Fig. 2 a, supports 51 cut-outs 25 that are inserted into matrix 2 from the top in its rear end 53.So, support 51 and comprise that lateral brace 52,52 ' is lowerd and entered cut-out 25.By making lighting device keeper 5 back tilt to be horizontal direction, in the zone of cut-out 25, the top edge of antetheca 27 cooperates the side away from matrix 2 of lateral brace 52, support 51 end 53 simultaneously and can rest in below the horizontal wall 24, so rear end 53 and lateral brace 52 become a barb that cooperates jointly below horizontal wall 24.In the lower zone of lighting device keeper 5, have the side rib 57 of the enlarged width end portions 54 of serving as feet, be supported on the antetheca 27 from the outside, so lighting device keeper 5 is fixed to the front surface of matrix 2 with stable manner.

After being installed in inner space 91, the horizontal wall 24 of matrix 2 rests on the top cover of shell 92.Because lateral brace 52 ' also contacts with described top cover simultaneously, lighting device keeper 5 can not and be suggested from described opening 25 releases.Therefore, the user can replace adapter 4 with lighting device 41 easily, and does not worry that lighting device keeper 5 is disassembled.

Simultaneously, when matrix 2 and lighting device keeper 5 were installed together, the plug 43 of adapter 4 was pushed in the socket 23 on the matrix 2, so lighting device 41 is connected to electrical connector 22.

Adapter 4 forms a compact unit, and it can be inserted into keeper 56 easily and not have contact illumination device 41.In the occasion of using another lighting device 41, must customize lamp socket 44 and translucent cover 42, but the part that is used in the lamp socket contacting with matrix 2 always remains unchanged, so the structure of matrix 2 need not change.

Claims

1, a kind of refrigeration plant with lamp/fan unit (1), described lamp/fan unit has the matrix (2) that holds hair-dryer (3), described matrix is equipped with fixture (20) with in the internal container that is fixed on refrigeration plant on the rear surface, and electrical connector (22) is installed on front surface, described lamp/fan unit also has the lighting device (41) that is connected to described electrical connector (22) by adapter (4).

2, refrigeration plant as claimed in claim 1 is characterized in that, described electrical connector (22) has socket (23), and described adapter (4) has the plug (43) complementary mutually with described socket (23).

3, refrigeration plant as claimed in claim 1 or 2 is characterized in that, lighting device keeper (5) outstanding from described front surface and support adapter (4) is fixed to matrix (2).

4, refrigeration plant as claimed in claim 3 is characterized in that, described lighting device keeper (5) has the barb (52,53) in the open top (25) that is engaged in matrix (2), and has feet (54) at the front surface place of matrix (2).

5, refrigeration plant as claimed in claim 3 is characterized in that, described barb (52,53) be engaged in matrix (2) horizontal wall (24) below.

As the described refrigeration plant of one of claim 3 to 5, it is characterized in that 6, described lighting device keeper (5) is included in the radiation shield (55) of the top extension of lighting device (41).

As the described refrigeration plant of preceding any claim, it is characterized in that 7, described adapter (4) comprises the translucent cover (42) that surrounds lighting device (41) at least partly.