CN214009642U - Refrigerating device - Google Patents

Abstract

The utility model provides a refrigerating device, including the box, provide the refrigerating system of cold volume for the box, the box includes the inner bag, the refrigerating system includes the fan apron of installing on the back wall of inner bag and forming the fan chamber with the back wall jointly, locate fan in the fan chamber, install on the back wall and lie in the plate evaporator of fan below, the plate evaporator forms the air supply duct that is linked together with the fan chamber with the back wall jointly, be equipped with the return air inlet on the fan apron, have the first air outlet between the lower extreme of fan apron and the plate evaporator, the lower extreme of air supply duct has the second air outlet; the thickness of the refrigeration module is reduced, so that the refrigeration space is increased, and the loading capacity is effectively improved.

Description

Refrigerating device

Technical Field

The utility model relates to a refrigerating plant field especially relates to a can increase refrigerating plant in refrigeration space.

Background

Refrigeration devices (refrigerators, freezers, etc.) are electrical appliances that are often used in people's daily lives. The commercial vertical refrigerated cabinet is mainly placed in places such as markets, supermarkets and the like and used for refrigerating and storing drinks for consumers to directly take.

For the existing commercial vertical refrigerator, when in use, a consumer can frequently open and close the door body, so that the refrigeration speed is high, the temperature can be reduced in a short time, and the requirement can be met only by configuring an air cooling system with high speed and large air quantity.

In the prior art, an air cooling system generally adopts lower air inlet, and after heat exchange and refrigeration are carried out by an evaporator, cold air enters a fan from a position between an inner container and an air inlet of the fan and is delivered into a box body through a specially-arranged air channel. Because a certain distance needs to be reserved between the air inlet of the fan and the inner container to increase the air inlet amount as much as possible, and a special air duct is additionally arranged to supply air into the box body, the refrigeration thickness of the whole box is increased, the refrigeration space is occupied, and the loading capacity is reduced.

In view of the above, it is desirable to provide a new refrigeration device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can increase refrigerating plant in refrigeration space.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a refrigerating plant, includes the box, gives the refrigerating system that the box provided cold volume, the box includes the inner bag, refrigerating system including install in on the back wall of inner bag and with the back wall forms fan chamber jointly fan apron, locate fan in the fan chamber, install in on the back wall and be located the board-like evaporimeter of fan below, board-like evaporimeter with the back wall forms jointly with the air supply wind channel that the fan chamber is linked together, be equipped with the return air inlet on the fan apron, the lower extreme of fan apron with first air outlet has between the board-like evaporimeter, the lower extreme in air supply wind channel has the second air outlet.

As the utility model discloses further modified technical scheme, the fan is centrifugal fan, centrifugal fan's air inlet end is located the front side, the return air inlet is located on the fan apron with the position department that the air inlet end corresponds.

As the utility model discloses further modified technical scheme, fan apron on with the position department that the air inlet end corresponds has the protruding portion that is outstanding forward, the return air inlet is including locating the first return air inlet of the antetheca of protruding portion and locating the second return air inlet of the lateral wall of protruding portion.

As a further improved technical solution of the present invention, the fan cover plate further includes a first wind guiding structure disposed at the first air return opening; the first air guide structure comprises at least two groups of air guide plate groups, each group of air guide plate group comprises a plurality of air guide plates arranged at intervals, and the extending directions of the air guide plates in the two adjacent groups of air guide plate groups are different.

As a further improved technical scheme of the utility model, each group a plurality of aviation baffles in the aviation baffle group are from the back forward and to keeping away from the direction slope setting at the center of return air inlet.

As a further improved technical scheme of the utility model, at least two sets of air deflection board groups are arranged along a circumferencial direction in proper order.

As a further improved technical scheme of the utility model, be equipped with the second wind-guiding structure who takes the archimedes curve that is used for wind-guiding downwards on the inner bag.

As a further improved technical solution of the present invention, a main air outlet is provided between the lower end of the fan cover plate and the rear wall, and the main air outlet includes a first air outlet and an air inlet at the upper end of the air supply duct; the air outlet area of the total air outlet is larger than the air return area of the air return inlet.

As a further improved technical solution of the present invention, the lower end of the fan cover plate has an extension edge extending forward and downward.

As a further improved technical scheme of the utility model, the cavity of establishing is sunken backward to having on the back wall, the fan and plate evaporator locates in the cavity.

As a further improved technical scheme of the utility model, the box includes the opening, refrigerating plant is still including opening or closing the open-ended door body, the door body is the transparent glass door body.

The utility model has the advantages that: the refrigeration device in the utility model, on one hand, set up the return air inlet on the fan apron, from the front side air inlet of fan, need not to set up the air inlet space between with the back wall, simultaneously, set up first air outlet in the downside of fan apron, and form the air supply wind channel that is linked together with the fan chamber between plate evaporator and the back wall, need not to set up special wind channel in addition and supply air to in the refrigeration room, reduced the thickness of refrigeration module to increase the refrigeration space, effectively improved the load capacity; on the other hand, the air return opening is formed in the upper portion of the refrigerating chamber, the first air outlet and the second air outlet are arranged on the lower side of the air return opening at intervals in the vertical direction, according to the principle that cold air sinks to rise hot air, the temperature of the air on the upper portion in the refrigerating chamber is higher than that of the air on the lower portion, therefore hot air on the upper portion in the refrigerating chamber is sucked into the fan cavity and exchanges heat with the plate type evaporator to become cold air, then the cold air flows out, the cold circulation in the whole refrigerating chamber can be achieved, the upper temperature and the lower temperature in the refrigerating chamber are distributed more uniformly, and the refrigerating effect is improved.

Drawings

Fig. 1 is a schematic structural diagram of a refrigeration apparatus according to the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic structural view of a protrusion on the blower cover plate in fig. 2.

Fig. 4 is a schematic view of the structure of fig. 1 from another angle.

Fig. 5 is a sectional view taken along line a-a of fig. 4.

Fig. 6 is an enlarged schematic view of B in fig. 5.

Detailed Description

The present invention will be described in detail with reference to the embodiments shown in the drawings, and reference is made to fig. 1 to 6, which are preferred embodiments of the present invention. It should be noted that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the equivalent transformation or substitution of the function, method, or structure based on these embodiments is within the protection scope of the present invention.

In the description of the present invention, it should be understood that the words "front", "rear", "upper", "lower", and the like in the present invention indicate positional or positional relationships, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 6, the present invention provides a refrigeration apparatus 100, and the refrigeration apparatus 100 of the present embodiment is specifically described by taking a commercial vertical refrigerator as an example, but it should be noted that the technical spirit involved in the following embodiments can be alternatively applied to other refrigeration apparatuses 100, such as a general refrigerator.

The refrigerating device 100 comprises a box body with an opening, a door body (not shown) for opening or closing the opening, and a refrigerating system, wherein the box body comprises an inner container 1, the door body and the inner container 1 are matched to enclose a refrigerating chamber, and the refrigerating system is used for providing refrigerating capacity for the refrigerating chamber.

In this embodiment, the door body is a transparent glass door body, so that an external consumer can directly observe the storage condition inside the refrigeration device 100; of course, this is not a limitation.

Specifically, the liner 1 includes a rear wall 11, and a peripheral wall 12 extending forward from the periphery of the rear wall 11.

The refrigerating system comprises a fan cover plate 2 which is arranged on the rear wall 11 and forms a fan cavity together with the rear wall 11, a fan 3 arranged in the fan cavity, and a plate-type evaporator 4 which is arranged on the rear wall 11 and is positioned below the fan 3, wherein the fan cover plate 2 is provided with a return air inlet 21, the plate-type evaporator 4 and the rear wall 11 form an air supply duct 5 communicated with the fan cavity together, a first air outlet 61 is arranged between the lower end of the fan cover plate 2 and the plate-type evaporator 4, the upper end of the air supply duct 5 is provided with an air inlet 62 communicated with the fan cavity, the lower end of the air supply duct 5 is provided with a second air outlet 51, and when the refrigerating system is started, namely, after the fan 3 and the plate-type evaporator 4 are started, air at the upper part of the refrigerating chamber enters the fan cavity from the return air inlet 21, under the action of the fan 3, part of air entering the fan cavity exchanges heat with the upper end of the plate-type evaporator 4 to form cold air and flows out of the first air outlet 61 into the refrigeration chamber, the other part of air enters the air supply duct 5 from the air inlet 62 and exchanges heat with the plate-type evaporator 4 to form cold air and flows out of the second air outlet 51 into the refrigeration chamber, and the cold air flowing out of the refrigeration chamber exchanges heat with articles in the refrigeration chamber to provide cold energy for the articles in the refrigeration chamber, so that the effect of keeping fresh is achieved.

On one hand, the air return port 21 is arranged on the fan cover plate 2, air is fed from the front side of the fan 3, an air feeding space does not need to be arranged between the fan 3 and the rear wall 11, meanwhile, the first air outlet 61 is arranged on the lower side of the fan cover plate 2, an air feeding air duct 5 communicated with the fan cavity is formed between the plate-type evaporator 4 and the rear wall 11, a special air duct does not need to be additionally arranged to feed air into the refrigeration chamber, the thickness of the refrigeration module is reduced, the refrigeration space is increased, and the loading capacity is effectively improved; on the other hand, the air return opening 21 is arranged at the upper part of the refrigerating chamber, the first air outlet 61 and the second air outlet 51 are arranged at the lower side of the air return opening 21 at intervals along the vertical direction, according to the principle that cold air sinks to generate hot air, the temperature of the air at the upper part of the refrigerating chamber is higher than that of the air at the lower part, therefore, hot air at the upper part of the refrigerating chamber is sucked into the fan cavity and exchanges heat with the plate-type evaporator 4 to become cold air, and then flows out, the cold circulation in the whole refrigerating chamber can be realized, the upper temperature and the lower temperature in the refrigerating chamber are distributed more uniformly, and the refrigerating effect is improved.

It can be understood that, referring to fig. 6, the lower end of the fan cover plate 2 and the rear wall 11 form a total air outlet 6, the total air outlet 6 includes a first air outlet 61 and the air inlet 62, a part of the air flowing out from the total air outlet 6 exchanges heat with the upper end of the plate evaporator 4 and then flows out from the first air outlet 61 into the refrigerating compartment, and another part of the air enters the air supply duct 5 from the air inlet 62 and exchanges heat with the plate evaporator 4 to form cold air and flows out from the second air outlet 51 into the refrigerating compartment.

Furthermore, the air outlet area of the total air outlet 6 is larger than the air return area of the air return opening 21, so that the air entering the cavity of the fan 3 from the air return opening 21 can completely exchange heat with the plate-type evaporator 4 to be cooled and then flows into the refrigerating chamber, and the refrigerating effect of the refrigerating system is enhanced.

The structure of the plate-type evaporator 4 can be similar to the structure of the existing plate-type evaporator 4, and will not be described in detail herein.

Furthermore, a concave cavity 111 which is recessed backwards is formed in the rear wall 11, and the fan 3 and the plate-type evaporator 4 are both arranged in the concave cavity 111, so that the fan 3 and the plate-type evaporator 4 are positioned on the same vertical plane, on one hand, the rear part in the refrigerating compartment is in a flat plate shape, the volume in the refrigerating compartment can be utilized to the maximum extent, and the loading capacity is increased; on the other hand, from the fan chamber send out to the wind straight line of air intake 62 gets into in the air supply wind channel 5, according to the sunken principle of air conditioning, can reduce the windage, be favorable to improving refrigerating system's refrigeration effect.

The fan cover plate 2 can be fixedly arranged on the inner container 1 through screws, and the plate-type evaporator 4 can be fixedly arranged on the inner container 1 through fixing structures such as buckles, so that the description is omitted.

In a specific embodiment, fan 3 is centrifugal fan, can reduce fan 3's overall dimension, and further attenuate refrigeration module's thickness to increased the refrigeration space, effectively improved the load capacity.

Furthermore, the air inlet end of the centrifugal fan is positioned at the front side, and the air return opening 21 is positioned at the position, corresponding to the air inlet end, on the fan cover plate 2, namely, air is fed from the front end of the fan 3, so that the air resistance of the fed air can be reduced, the air inlet amount is increased, and the refrigerating effect of the refrigerating system is enhanced.

Referring to fig. 2-3, in the embodiment that the air inlet end of the centrifugal fan is located at the front side, the fan cover plate 2 has a protrusion 22 protruding forward at a position corresponding to the air inlet end, and the air return opening 21 includes a first air return opening 211 disposed on the front wall of the protrusion 22 and a second air return opening 212 disposed on the side wall of the protrusion 22, so that air in the cooling compartment can enter the fan cavity from the front side and the peripheral side of the protrusion 22, on one hand, the air inlet area is increased, and the cooling effect of the cooling system is enhanced; on the other hand, even if the articles in the refrigerating compartment shield the front side of the protruding portion 22, the air in the refrigerating compartment can enter the fan chamber from the second air return opening 212, and the refrigerating effect is ensured.

Further, the fan cover plate 2 further includes a first air guiding structure 23 disposed at the first air return opening 211; the first wind guide structure 23 includes at least two wind guide plate groups 231, each wind guide plate group 231 includes a plurality of wind guide plates 2311 arranged at intervals, and the wind guide plates 2311 in two adjacent wind guide plate groups 231 have different extending directions, so that the wind guide directions of two adjacent wind guide plate groups 231 are different.

It is understood that the extending direction of the wind deflector 2311 refers to the extending direction of the length of the wind deflector 2311.

Specifically, the plurality of air deflectors 2311 in each air deflector group 231 are arranged obliquely from back to front and in a direction away from the center of the air return opening 21, so that air around the air return opening 21 can be sucked, and the circulation of cooling capacity in the refrigerating compartment can be realized in the maximum range.

Further, the at least two air guide plate sets 231 are sequentially arranged along a circumferential direction, so that air can be sucked from different directions around the air return opening 21, and the circulation of cooling capacity in the refrigerating compartment can be realized within the maximum range.

Further, as shown in fig. 2, a second air guide structure 13 with an archimedes curve for guiding air downward is arranged on the inner container 1, and an arc-shaped plate matched with the second air guide structure 13 is arranged on the fan cover plate 2, so that the air resistance can be reduced, the air volume of downward air supply can be increased, meanwhile, the refrigeration module can be thinned, and uniform air supply in the refrigeration chamber can be realized.

Further, the lower end of the fan cover plate 2 has an outward extending edge 24 extending forward and downward, so that the cold air coming out from the first air outlet 61 can be blown downward, and a part of the cold air coming out from the first air outlet 61 is prevented from being sucked back to the air return opening 21.

To sum up, in the refrigeration device 100 of the present invention, on one hand, the air return port 21 is disposed on the fan cover plate 2, and air is supplied from the front side of the fan 3, no air supply space needs to be disposed between the fan 3 and the rear wall 11, and meanwhile, the first air outlet 61 is disposed at the lower side of the fan cover plate 2, and an air supply duct 5 communicated with the fan cavity is formed between the plate-type evaporator 4 and the rear wall 11, and no special air duct needs to be additionally disposed to supply air into the refrigeration chamber, so that the thickness of the refrigeration module is reduced, thereby increasing the refrigeration space and effectively increasing the loading capacity; on the other hand, the air return opening 21 is arranged at the upper part of the refrigerating chamber, the first air outlet 61 and the second air outlet 51 are arranged at the lower side of the air return opening 21 at intervals along the vertical direction, according to the principle that cold air sinks to generate hot air, the temperature of the air at the upper part of the refrigerating chamber is higher than that of the air at the lower part, therefore, hot air at the upper part of the refrigerating chamber is sucked into the fan cavity and exchanges heat with the plate-type evaporator 4 to become cold air, and then flows out, the cold circulation in the whole refrigerating chamber can be realized, the upper temperature and the lower temperature in the refrigerating chamber are distributed more uniformly, and the refrigerating.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (11)

1. The utility model provides a refrigerating plant, includes the box, provides the refrigerating system of cold volume for the box, the box includes the inner bag, its characterized in that: the refrigerating system comprises a fan cover plate, a fan, a plate-type evaporator and an air supply air channel, wherein the fan cover plate is arranged on the rear wall of the inner container and forms a fan cavity together with the rear wall, the fan is arranged in the fan cavity, the plate-type evaporator is arranged on the rear wall and is positioned below the fan, the plate-type evaporator and the rear wall form an air supply air channel communicated with the fan cavity together, an air return opening is formed in the fan cover plate, a first air outlet is formed between the lower end of the fan cover plate and the plate-type evaporator, and a second air outlet is formed at the lower end of the air supply air.

2. A refrigeration unit as recited in claim 1 wherein: the fan is a centrifugal fan, the air inlet end of the centrifugal fan is positioned on the front side, and the air return opening is positioned on the fan cover plate and corresponds to the air inlet end.

3. A refrigeration unit as recited in claim 2 wherein: the fan cover plate is provided with a protruding portion protruding forwards at a position corresponding to the air inlet end, and the air return opening comprises a first air return opening arranged on the front wall of the protruding portion and a second air return opening arranged on the side wall of the protruding portion.

4. A refrigeration unit as recited in claim 3 wherein: the fan cover plate also comprises a first air guide structure arranged at the first air return opening; the first air guide structure comprises at least two groups of air guide plate groups, each group of air guide plate group comprises a plurality of air guide plates arranged at intervals, and the extending directions of the air guide plates in the two adjacent groups of air guide plate groups are different.

5. The refrigeration unit of claim 4, wherein: and a plurality of air deflectors in each air deflector group are arranged from back to front and are inclined towards the direction back to the center of the air return inlet.

6. The refrigeration unit of claim 4, wherein: the at least two groups of air guide plate groups are sequentially arranged along a circumferential direction.

7. A refrigeration device according to any one of claims 2 to 6, wherein: and a second air guide structure with an Archimedes curve for guiding air downwards is arranged on the inner container.

8. A refrigeration unit as recited in claim 1 wherein: a main air outlet is formed between the lower end of the fan cover plate and the rear wall and comprises a first air outlet and an air inlet at the upper end of the air supply air duct; the air outlet area of the total air outlet is larger than the air return area of the air return inlet.

9. A refrigeration unit as recited in claim 1 wherein: the lower end of the fan cover plate is provided with an extension edge which extends forwards and downwards.

10. A refrigeration unit as recited in claim 1 wherein: the rear wall is provided with a concave cavity which is concavely arranged backwards, and the fan and the plate-type evaporator are arranged in the concave cavity.

11. A refrigeration unit as recited in claim 1 wherein: the refrigerator body comprises an opening, the refrigerating device further comprises a door body for opening or closing the opening, and the door body is a transparent glass door body.

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