CN114076478A - Refrigerator - Google Patents

Abstract

The invention provides a refrigerator which comprises a box body and a box opening at the upper end of the box body, wherein the box body is provided with an inner container forming a freezing chamber, a dehumidifying component positioned in a preset temperature range is arranged on the outer side of the inner container, the dehumidifying component comprises an air inlet pipe communicated with the outside and extending upwards from the lower part of the refrigerator, a dehumidifying module communicated with the upper end of the air inlet pipe, and an air outlet pipe extending from the upper end of the dehumidifying module to the box opening, fins are arranged in the dehumidifying module, and the dehumidifying component further comprises a check valve positioned between the fins and the box opening. According to the invention, the fins are arranged in the dehumidification module, so that the water vapor entering the freezing chamber is fully condensed on the fins, and the water vapor is effectively prevented from entering the freezing chamber to frost; the arrangement of the check valve is combined, so that cold air in the freezing chamber is prevented from flowing out, and further the energy loss is increased; in addition, the device is suitable for long-term use, does not need to be replaced, and saves the use cost.

Description

Refrigerator

Technical Field

The invention relates to the field of refrigerating devices, in particular to a refrigerator.

Background

At present, a direct-cooling freezer has the problem of frosting in a large quantity, the frosting quantity is large, the electricity consumption of the freezer is increased, and the experience feeling of a user during use is very poor. Wherein the factor that influences the interior frosting volume of freezer meets cold condensation frost in the wet air entering cabinet when having switch cabinet door, still has a more important factor to be: when the compressor is started and stopped, the pressure inside and outside the cabinet changes, wet air outside the cabinet enters the cabinet through the door gap, and then the wet air is precooled and condensed into frost.

In the industry, a ventilation pipeline is connected in a cabinet and communicated with air outside the cabinet, a drying agent is added in the ventilation pipeline, after external wet air is dried through the ventilation pipeline, water vapor in the air is absorbed by the drying agent, and the air entering the cabinet cannot be frosted when meeting cold in the cabinet, so that the aim of defrosting is fulfilled. However, this method has the problem that the desiccant in the breather tube has a short service life and needs to be replaced periodically, which increases the use cost of the user.

Disclosure of Invention

The invention provides a refrigerator which can effectively avoid frosting of the refrigerator and does not increase the use cost.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the utility model provides a refrigerator, includes the cabinet mouth of box and box upper end, the box has the inner bag that forms the freezer, and wherein, the inner bag outside is equipped with the dehumidification subassembly that is located the temperature interval of predetermineeing, the dehumidification subassembly include with external intercommunication and from the cabinet lower part upwards extend go into the trachea, with go into the dehumidification module of trachea upper end intercommunication, extend to the outlet duct of cabinet mouth from the dehumidification module upper end, be equipped with the fin in the dehumidification module, the dehumidification subassembly is still including being located the check valve between fin and the cabinet mouth.

Further, the freezer still includes the evaporimeter that the adjacent inner bag outside set up, with the condenser pipe that the evaporimeter interval set up, predetermine the temperature interval for forming between evaporimeter and condenser pipe between the temperature interval, predetermine the temperature interval and be-2 ℃ to 2 ℃.

Further, the dehumidification module includes the shell that is formed with the dehumidification space, the fin along horizontal interval set up in the dehumidification space to along vertical direction extension, from the both sides of shell to the center, the density that sets up of fin increases gradually.

Further, the length of the fin in the vertical direction becomes gradually shorter from the center of the housing to both sides in the lateral direction.

Furthermore, the check valve is arranged in the dehumidifying space close to the air outlet pipe and comprises a floating ball and a support for supporting the floating ball, the dehumidifying space is divided into an upper chamber and a lower chamber by the support, the upper chamber is communicated with the air outlet pipe, the lower chamber is communicated with the air inlet pipe, and the fins are arranged in the lower chamber close to the support; the support is provided with a through hole communicated with the upper chamber and the lower chamber, the floating ball covers the through hole, and the inner diameter of the air outlet pipe is smaller than the diameter of the floating ball.

Further, the inner wall of the through hole is obliquely arranged, and the aperture of the through hole is gradually reduced from top to bottom.

Further, the internal diameter of the air inlet pipe is smaller than that of the air outlet pipe, and the internal diameter of the air inlet pipe is not smaller than 3 mm.

Furthermore, a connecting piece connected with the air outlet pipe is arranged on the cabinet opening, and an annular air outlet connected with the interior of the box body and the air outlet pipe is arranged on the connecting piece.

Further, the dehumidification assembly comprises a positioning module selectively arranged between the dehumidification module and the inner container.

Further, the freezer is still including setting up the compressor storehouse at freezer downside portion, it extends to in the compressor cabin downwards to go into the trachea, dehumidification module sets up intermediate position between compressor storehouse and the counter opening.

Compared with the prior art, the invention has the beneficial effects that: according to the refrigerator, the fins are arranged in the dehumidification module, so that water vapor entering the freezing chamber is fully condensed on the fins, and the water vapor is effectively prevented from entering the freezing chamber to frost; the arrangement of the check valve is combined, so that cold air in the freezing chamber is prevented from flowing out, and further the energy loss is increased; in addition, the device is suitable for long-term use, does not need to be replaced, and saves the use cost.

Drawings

Fig. 1 is a schematic structural diagram of a refrigerator incorporating a dehumidifying module according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the dehumidifying module of fig. 1.

Fig. 3 is an exploded view of the components of the dehumidification module of fig. 2.

Fig. 4 is a structural schematic view of the bracket assembly of fig. 3 at another angle.

Fig. 5 is a schematic view of another angle of the connector of fig. 2.

The refrigerator comprises a box body 1, a freezing chamber 11, a cabinet opening 2, a connecting piece 21, a ring-shaped air outlet 22, a dehumidifying component 3, a gas inlet pipe 31, a dehumidifying module 32, a shell 321, a shell body 3211, a cover 3212, fins 322, a check valve 323, a floating ball 3231, a support 3232, a support 3233, a through hole 3234, a side plate 3235, a reinforcing plate 3236, a gas outlet pipe 33, a positioning module 34, an upper cavity 324, a lower cavity 325, a compressor bin 4 and a water receiving disc 41.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the various drawings of the present invention, some dimensions of structures or portions may be exaggerated relative to other structures for convenience of illustration, and thus, are used only to illustrate the basic structure of the present subject matter.

It is to be understood that the terms "upper", "lower", and the like, are used in an orientation or positional relationship shown in the drawings for convenience in describing the present invention, and do not indicate or imply that the devices referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the present invention. Specifically, in the present invention, the direction toward the ground is downward, and conversely, the direction away from the ground is upward, and the other "top surface", "bottom surface", and the like are defined with reference to "upper" and "lower".

The invention provides a refrigerator, as shown in fig. 1 to 5, the refrigerator comprises a box body 1 and a cabinet opening 2 at the upper end of the box body 1, the box body 1 is provided with an inner container forming a freezing chamber 11, a dehumidifying component 3 positioned in a preset temperature range is arranged at the outer side of the inner container, the dehumidifying component 3 comprises an air inlet pipe 31 communicated with the outside and extending upwards from the lower part of the refrigerator, a dehumidifying module 32 communicated with the upper end of the air inlet pipe 31, an air outlet pipe 33 extending from the upper end of the dehumidifying module 32 to the cabinet opening 2, fins 322 are arranged in the dehumidifying module 32, and the dehumidifying component 3 further comprises a check valve 323 positioned between the fins 322 and the cabinet opening 2.

According to the refrigerator, the fins 322 are arranged in the dehumidification module 32, so that water vapor in the air is fully condensed on the fins 322, and the water vapor is effectively prevented from entering the freezing chamber 11 to frost; in conjunction with the setting of the check valve 323, the cool air inside the freezing chamber 11 is prevented from leaking out through the dehumidifying assembly 3.

Specifically, the refrigerator body 1 comprises a casing on the outermost side, an inner container, and a foaming layer between the casing and the inner container, wherein the inner container forms a freezing chamber 11 for storing food or articles, the casing is used for protecting the internal structure of the refrigerator, and the foaming layer adopts heat insulation materials to prevent cold air in the freezing chamber from being conducted to the outside.

The cabinet opening 2 is used for connecting the upper end parts of the inner container and the shell and is connected with the door body of the refrigerator, so that the door body and the box body are ensured to be in airtight connection to prevent cold air in the freezing chamber 11 from leaking.

The freezer still includes evaporimeter (not shown in the figure) that the adjacent inner bag outside set up, with the condenser pipe of evaporimeter (not shown) interval setting, predetermine the temperature interval for forming the temperature interval between evaporimeter and condenser pipe, predetermine the temperature interval and be-2 ℃ to 2 ℃, that is to say, predetermine the temperature interval and be located in the foaming layer between inner bag and the casing.

Therefore, the dehumidifying component 3 is arranged in the foaming layer, on one hand, a proper temperature range can be obtained, and on the other hand, the dehumidifying component 3 is fixed in the foaming layer, so that the whole structure is relatively stable.

Because the evaporimeter is to the temperature between the condenser pipe increases gradually, if dehumidification subassembly 3 is too close to the evaporimeter, dehumidification subassembly 3's temperature can be crossed lowly for vapor can be in when passing dehumidification subassembly 3 the inside frosting of dehumidification subassembly 3, and then blocks up dehumidification subassembly 3.

In order to keep the dehumidification assembly 3 at a preset temperature interval of-2 ℃ to 2 ℃, the dehumidification assembly 3 comprises a positioning module 34 which can be selectively arranged between the dehumidification module 32 and the liner. Specifically, the positioning module 34 is disposed on the back of the dehumidification module 32, and the distance between the dehumidification module 32 and the evaporator is adjusted by disposing the positioning modules 34 with different sizes, so as to ensure that the dehumidification module 32 can be located in a temperature interval required between the evaporator and the condenser pipe.

Further, orientation module 34 still has fixedly dehumidification module 32's effect, orientation module 34 horizontal direction go up one end with dehumidification module 32's back fixed connection, the other end is fixed the outside of inner bag will dehumidification module 32 fixes the outside of inner bag for the freezer is when the foaming, dehumidification subassembly 3's position can not squint, ensures dehumidification subassembly 3 is located predetermine the temperature interval.

It can be understood that the positioning module 34 and the dehumidifying module 32 can be integrally formed, and both the purpose of adjusting the position of the dehumidifying component 3 and the purpose of fixing the dehumidifying component 3 can be achieved.

Further, go into the lower extreme intercommunication of trachea 31 the outside of freezer is passed through in order to control the tolerance size of income trachea 31, the internal diameter of going into trachea 31 is not more than 3mm, ensures go into the pressure of trachea 31 internal gas and is not less than the atmospheric pressure difference between freezer 11 and the outside for gaseous entering into in the freezer 11 after dehumidification module 32 by going into trachea 31.

In the invention, the freezer further comprises a compressor bin 4 arranged at the lower side part of the freezer, the air inlet pipe 31 extends downwards into the compressor bin 4, specifically, the air inlet pipe 31 extends to the upper part of a water pan 41 in the compressor bin 4, and condensed water formed after passing through the dehumidification assembly 3 is discharged into the water pan 41 along the air inlet pipe 31.

Generally, the temperature of the evaporator at the lower part of the refrigerator is lower, and if the dehumidification module 32 is arranged at the lower part of the refrigerator, the condensation of the water vapor is facilitated; however, if the water vapor enters the dehumidification module 32 through the air inlet pipe 31, the residence time of the water vapor in the dehumidification assembly 3 is short, which affects the condensation effect. Therefore, in the present invention, the dehumidification module 32 is disposed at the middle position between the compressor compartment 4 and the cabinet opening 2, so that the dehumidification module 32 can easily reach the temperature within the preset temperature range, and the longer air inlet pipe 31 is disposed to allow the water vapor to sufficiently condense in the air inlet pipe 31 and the dehumidification module 32, thereby increasing the dehumidification effect of the dehumidification module 32.

The upper end of the air inlet pipe 31 is communicated with the lower end of the dehumidification module 32, and preferably, the air inlet pipe 31 is arranged at the central position of the lower end of the dehumidification module 32 in the transverse direction, so that after the air reaches the dehumidification module 32, the air is favorably dispersed into the whole dehumidification module 32 and then is sufficiently condensed.

Further, one end of the air outlet pipe 33 is connected to the upper portion of the dehumidification module 32, and guides the air fully condensed by the dehumidification module 32 into the freezing chamber 11, and the inner diameter of the air outlet pipe 33 is larger than that of the air inlet pipe 31.

Be provided with the connection on the cabinet mouth 2 the connecting piece 21 of outlet duct 33, be provided with the annular gas outlet 22 of connecting 1 inside and outlet duct 33 of box on the connecting piece 21, annular gas outlet 22 can effectively reduce the air admission freezer 11 for the air is in the inside abundant condensation of dehumidification subassembly 3, on the other hand, annular gas outlet 22 can reduce equally the air conditioning in the freezer 11 leaks via dehumidification subassembly 3 to increase the loss of the energy.

As a preferred embodiment of the present invention, the dehumidifying module 32 includes a casing 321 forming a dehumidifying space, the casing 321 is composed of a casing body 3211 and a cover 3212, and the cover 3212 and the casing body 3211 are sealed to prevent cold air from leaking.

The lateral dimension of the housing 321 is larger than the inner diameter of the air outlet pipe 33, so that the dehumidifying space has enough space for condensing water vapor.

As a preferred embodiment of the present invention, the check valve 323 is disposed in the dehumidifying space near the air outlet pipe 33, and specifically, the check valve 323 includes a floating ball 3231 and a bracket assembly 3232 supporting the floating ball 3231, the bracket assembly 3232 divides the dehumidifying space into an upper chamber 324 and a lower chamber 325, wherein the upper chamber 324 is communicated with the air outlet pipe 33, and the lower chamber 325 is communicated with the air inlet pipe 31.

The support assembly 3232 includes a support body 3233 disposed horizontally, the support body 3233 has a through hole 3234 communicating the upper and lower chambers, and the floating ball 3231 covers the through hole 3234. As shown in fig. 4, the inner wall of the through hole 3234 is inclined, and the aperture of the through hole 3234 gradually decreases from top to bottom, so that the condensed water formed at the upper part of the bracket body 3233 can flow to the lower chamber 325 along the inclined surface of the through hole 3234.

Specifically, the rack assembly 3232 further includes a pair of side plates 3235 disposed above the rack body 3233 and a pair of reinforcing plates 3236 disposed obliquely below the rack body 3233. The pair of side plates 3235 are disposed in the upper chamber 324 and fixed at two sides of the through hole 3234, and the floating ball 3231 is disposed between the pair of side plates 3235 to limit the displacement of the floating ball 3231 in the transverse direction, and at the same time, when the upper chamber 324 passes through the side plates 3235, the gas is condensed for the second time, so as to improve the condensation effect of the dehumidification module 32.

The length of the pair of side plates 3235 is greater than the diameter of the floating ball 3231, so that the upper chamber 324 is spaced such that the floating ball 3231 is lifted without entering the outlet tube 33.

The pair of reinforcing plates 3236 are located in the lower cavity 325 and fixed to two sides of the through hole 3234, one end of the reinforcing plate 3236 is connected to the support body 3233, the other end of the reinforcing plate 3236 is connected to the shell 321, and the pair of reinforcing plates 3236 are arranged to support and reinforce the support body 3233 on one hand and gather gas on the other hand, so that the gas is gathered below the through hole 3234, and the gas is led out conveniently.

The floating ball 3231 is made of a low-density material, so that the air pressure of the air inlet pipe 31 can overcome the gravity of the floating ball 3231 to jack the floating ball 3231, and air can conveniently enter the air outlet pipe 33. The floating ball 3231 may also be a hollow ball, so that the diameter of the floating ball 3231 can cover the through hole 3234, and the gravity of the floating ball 3231 is smaller than the pressure of the gas in the gas inlet pipe 31.

It will be appreciated that the weight of the float ball 3231 is designed to be lifted by the gas entering the gas pipe 31, and the lifting height is not too large, i.e. the distance that the float ball 3231 is lifted is ensured to be less than the height of the upper chamber 324.

Further, the diameter of the floating ball 3231 is larger than the inner diameter of the air outlet pipe 33, so that the floating ball 3231 is prevented from entering the air outlet pipe 33 to block the air outlet pipe 33.

When the pressure of the air inside and outside the freezing chamber 11 is in a balanced state, no air enters the air inlet pipe 31, the floating ball 3131 falls on the through hole 3234 of the bracket body 3233 due to the action of gravity, the through hole 3234 is blocked, and the cold air in the freezing chamber 11 is prevented from leaking out through the dehumidification assembly 3.

Further, the fins 322 are disposed near the bracket assembly 3232 in the lower chamber 325, so that a sufficient space is left between the air inlet pipe 31 and the fins 322, so that air entering the dehumidifying space is buffered.

Specifically, the fins 322 are disposed on an inner wall of the housing body 3211, and of course, the fins 322 may also be disposed on an inner wall opposite to the cover 3212 and two side walls connected to the cover 3212, so as to achieve the purpose of condensation and dehumidification.

In this embodiment, the fins 322 are disposed in the dehumidifying space at intervals along the transverse direction and extend along the vertical direction, and the fins 322 are used for condensing water vapor carried by outside air and guiding the air to flow upwards. From the both sides of shell 321 to the center, fin 322's density of setting gradually increases, and is that fin 322 is in the dehumidification space is middle intensive, and both sides are sparse, because income trachea 31 connects dehumidification module 32's central point puts, relatively speaking, the gas in the middle of the dehumidification module 32 of flowing through is more than the gas on both sides, matches the dense fin 322 setting in the middle of dehumidification module 32, increases dehumidification module 32's condensation effect.

Further, in the transverse direction, the length of the fins 322 in the vertical direction is gradually shortened from the center of the casing 321 to two sides, so that more gas flowing through the center of the dehumidification module 32 is sufficiently condensed, and the overall condensation effect of the dehumidification module 32 is increased.

Of course, the fins 322 may also be disposed in the dehumidifying space along the transverse extending interval, specifically, the fins 322 protrude from the inner wall of the casing 321 into the dehumidifying space, and a gap for the gas to flow through exists between the end of the fin 322 and the opposite inner wall of the casing 321.

The housing 321, the bracket assembly 3232 and the fins 322 of the dehumidification module 32 may be integrally formed, and the dehumidification module 32 is made of a material with good heat conductivity, preferably an aluminum material.

In summary, the fins 322 are arranged inside the dehumidification module 32, so that the water vapor entering the freezing chamber 11 is fully condensed on the fins 322, and the water vapor is effectively prevented from entering the freezing chamber 11 to frost; the arrangement of the check valve 323 is combined, so that cold air in the freezing chamber 11 is prevented from flowing out, and the energy loss is increased; in addition, the device is suitable for long-term application, does not need to be replaced, and saves the use cost.

It should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The above detailed description is merely illustrative of possible embodiments of the present invention and is not intended to limit the scope of the invention, which is intended to include all equivalent embodiments or modifications within the scope of the present invention without departing from the technical spirit of the present invention.

Claims (10)

1. The utility model provides a refrigerator, includes the cabinet mouth of box and box upper end, the box has the inner bag that forms the freezer, its characterized in that: the inner bag outside is equipped with the dehumidification subassembly that is located predetermine temperature interval, the dehumidification subassembly includes the income trachea that upwards extends with external intercommunication and from the cooling cabinet lower part, with go into the dehumidification module of trachea upper end intercommunication, extend to the outlet duct of cabinet mouthful from the dehumidification module upper end, be equipped with the fin in the dehumidification module, the dehumidification subassembly is still including being located the check valve between fin and the cabinet mouth.

2. The cooler of claim 1, wherein: the freezer still includes the evaporimeter that the adjacent inner bag outside set up, with the condenser pipe of evaporimeter interval setting, predetermine the temperature interval for forming between evaporimeter and condenser pipe between the temperature interval, predetermine the temperature interval and be-2 ℃ to 2 ℃.

3. The cooler of claim 1, wherein: the dehumidification module is including being formed with the shell in dehumidification space, the fin along horizontal interval set up in the dehumidification space to extend along vertical direction, from the both sides of shell to the center, the density that sets up of fin increases gradually.

4. The cooler of claim 3, wherein: in the transverse direction, the length of the fin along the vertical direction is gradually shortened from the center of the shell to two sides.

5. The cooler of claim 3, wherein: the check valve is arranged in the dehumidifying space close to the air outlet pipe and comprises a floating ball and a support for supporting the floating ball, the dehumidifying space is divided into an upper chamber and a lower chamber by the support, the upper chamber is communicated with the air outlet pipe, the lower chamber is communicated with the air inlet pipe, and the fins are arranged close to the support in the lower chamber; the support is provided with a through hole communicated with the upper chamber and the lower chamber, the floating ball covers the through hole, and the inner diameter of the air outlet pipe is smaller than the diameter of the floating ball.

6. The cooler of claim 5, wherein: the method is characterized in that: the inner wall of the through hole is obliquely arranged, and the aperture of the through hole is gradually reduced from top to bottom.

7. The cooler of claim 1, wherein: the internal diameter of the air inlet pipe is smaller than that of the air outlet pipe, and the internal diameter of the air inlet pipe is not smaller than 3 mm.

8. The cooler of claim 1, wherein: the cabinet opening is provided with a connecting piece connected with the air outlet pipe, and the connecting piece is provided with an annular air outlet connected with the inside of the box body and the air outlet pipe.

9. The cooler of any one of claims 1 to 8, further comprising: the dehumidification assembly includes a positioning module selectively positionable between the dehumidification module and the liner.

10. The cooler of claim 9, wherein: the freezer is still including setting up the compressor storehouse at freezer downside part, it extends to in the compressor storehouse downwards to go into the trachea, dehumidification module sets up intermediate position between compressor storehouse and the cabinet mouth.

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