CN218846556U - Refrigerator - Google Patents

Abstract

The utility model provides a refrigerator, including box and the cabinet mouth of box upper end, the box has the inner bag that forms the compartment, and wherein, the inner bag outside is equipped with the dehumidification subassembly, the dehumidification subassembly includes the income trachea that communicates with the external world and extend upwards from the freezer lower part, with the low temperature module that goes into trachea upper end intercommunication, extend to the outlet duct of cabinet mouth from low temperature module upper end, go into trachea and outlet duct and low temperature module and all can dismantle the connection, the dehumidification subassembly still includes the check valve that is located between low temperature module and the cabinet mouth, through above-mentioned structure, after the gas that contains vapor passes through low temperature module, vapor condenses into liquid water, can not get into the compartment indoor chance cold and frost; the arrangement of the check valve is combined, so that cold air in the compartment is prevented from flowing out through the dehumidifying component, and the energy loss is further increased; the device does not use consumables, reduces the use cost, is convenient to install, maintain and repair, and is suitable for long-term use.

Description

Refrigerator

Technical Field

The utility model relates to a refrigeration technology field especially relates to a freezer.

Background

At present direct-cooling freezer can have a large amount of frostings problem, and one of them reason is that the humid air is gone into in the chance cold frost that condenses when cubical switchboard door, and still a more important factor is: 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.

The method for reducing the frosting amount in the refrigerator commonly used in the industry is to open a hole at the opening of the refrigerator, connect the hole with the outside by utilizing a vent pipe, add a drying agent in the vent pipe, the ventilation volume of the vent pipe is larger than that of the door seam, and when a compressor of the refrigerator works, the outside air enters the refrigerator after being dehumidified by the pre-installed vent pipe through the drying agent, thereby achieving the purpose of defrosting. However, the method has the problems that the service life of the drying agent in the vent pipe is short, and the drying agent needs to be replaced periodically, so that the use cost of a user is increased; in addition, if the external hot air is directly introduced into the cabinet, the energy consumption of the refrigerator may be increased.

In view of the above, a new refrigerator is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a refrigerator which can effectively reduce the frosting of the refrigerator and does not increase the use cost.

In order to achieve the above object, the present invention provides the following technical solutions:

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 compartment, wherein, the inner bag outside is equipped with the dehumidification subassembly, the dehumidification subassembly include with external intercommunication and from the cabinet lower part of cooling upwards extend go into the trachea, with go into the low temperature module of trachea upper end intercommunication, extend to the outlet duct of cabinet mouth from low temperature module upper end, go into trachea and outlet duct and low temperature module and all can dismantle the connection, the dehumidification subassembly is still including being located the check valve between low temperature module and the cabinet mouth.

Further, the freezer still includes the compressor storehouse of setting in the downside portion, it extends to in the compressor storehouse downwards to go into the trachea, the low temperature module sets up the intermediate position between compressor storehouse and the cabinet mouth, the low temperature module with the distance range between the inner bag is 10mm ~ 15mm.

Furthermore, the low-temperature module comprises a substrate and a plurality of vent holes which vertically penetrate through the substrate, and the vent holes are arranged at intervals along the width direction of the substrate plate.

Further, the dehumidification assembly further comprises a first fixing structure for fixing the air inlet pipe and the low-temperature module and a second fixing structure for fixing the air outlet pipe and the low-temperature module, the first fixing structure comprises a first communication hole for communicating the air inlet pipe and the low-temperature module, and the second fixing structure comprises a second communication hole for communicating the air outlet pipe and the low-temperature module.

Further, first fixed knot constructs including the second section that is used for fixed first section, the fixed low temperature module of outlet duct, first communication hole runs through first section and second section, the internal diameter of first section is greater than the internal diameter of second section, first fixed knot constructs still including locating the first mounting groove of second section lower extreme, the internal diameter of first mounting groove is greater than the internal diameter of second section, the roof butt of first mounting groove the upper end of low temperature module.

The second fixing structure comprises a third section for fixing the low-temperature module and a fourth section for fixing the gas inlet pipe, the second communicating hole penetrates through the third section and the fourth section, the inner diameter of the fourth section is larger than that of the third section, the second fixing structure further comprises a second mounting groove arranged at the upper end of the third section, the inner diameter of the second mounting groove is larger than that of the third section, and the bottom wall of the second mounting groove is abutted to the lower end of the low-temperature module.

Furthermore, the check valve is arranged in the air outlet pipe above the first section, and the outer diameter of the check valve is larger than the inner diameter of the first section.

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 larger than 4mm.

Furthermore, a connecting piece connected with the air outlet pipe is arranged on the cabinet opening, and an annular air outlet hole communicated with the indoor space and the air outlet pipe is formed in the connecting piece.

Furthermore, the dehumidification assembly comprises a positioning module arranged between the low-temperature module and the inner container, and the positioning module is arranged on the first fixing piece and/or the second fixing piece.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a refrigerator, through the design of dehumidification subassembly, after the gas that contains vapor passes through the low temperature module, the vapor condenses to liquid water, can not get into the room and frost when meeting cold; the arrangement of the check valve is combined, so that cold air in the compartment is prevented from flowing out through the dehumidification assembly, and the energy loss is further increased; the device does not use consumables, reduces the use cost, is convenient to install, maintain and repair, and is suitable for long-term use.

Drawings

Fig. 1 is a schematic perspective view of a refrigerator according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the dehumidification assembly in the embodiment of fig. 1.

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

Fig. 4 is an enlarged view of a portion a of fig. 3.

Fig. 5 is a side view of the dehumidification assembly of fig. 2.

Fig. 6 isbase:Sub>A schematic sectional view of the dehumidifying assembly of fig. 4 alongbase:Sub>A-base:Sub>A direction.

The device comprises a box body 10, a liner 11, a compartment 12, a housing 13, a cabinet opening 20, a connecting piece 21, a dehumidifying component 30, an air inlet pipe 31, a low-temperature module 32, a base plate 321, a vent hole 322, an air outlet pipe 33, a check valve 34, a first fixing structure 35, a first connecting hole 351, a first section 352, a second section 353, a second fixing structure 36, a second connecting hole 361, a third section 362, a fourth section 363, a positioning module 37 and a pressing bin 40.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

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

It should be noted that the terms "upper" and "lower" are used for indicating the orientation or position relationship based on the drawings, and are only used for simplifying the description of the present invention, but not for indicating or implying that the indicated device must have a specific orientation, be constructed in a specific orientation and operation, and therefore should not be interpreted 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" and "bottom surface" are defined on the basis of "up" and "down".

The utility model relates to a refrigerator, as shown in fig. 1 to 6, cabinet mouth 20 including box 10 and box 10 upper end, box 10 has the inner bag 11 that forms room 12 the shell 13 in the 11 outsides of inner bag, wherein, be equipped with dehumidification subassembly 30 between inner bag 11 and the shell 13, dehumidification subassembly 30 includes with external intercommunication and from the income trachea 31 that the cold cupboard lower part upwards extends, with go into the low temperature module 32 of trachea 31 upper end intercommunication, extend to the outlet duct 33 of cabinet mouth from low temperature module 32 upper end, go into trachea 31 and outlet duct 33 and low temperature module 32 all can dismantle and be connected, dehumidification subassembly 30 is still including being located the check valve 34 between low temperature module 32 and the cabinet mouth 20.

The refrigerator of the utility model, through the combined design of the dehumidifying component 30, after the gas containing vapor passing through the dehumidifying component 30 passes through the low temperature module 32, the vapor is condensed into liquid water, and further can not enter the compartment 12 to frost when meeting cold; the check valve 34 prevents cold air in the compartment 12 from overflowing through the dehumidification assembly 30, thereby avoiding increasing energy loss; the device does not use consumables, reduces the use cost, is convenient to install, maintain and repair, and is suitable for long-term use.

Specifically, the box body 10 includes a foaming layer disposed between the outer shell 13 and the inner container 11, and the dehumidifying component 30 is disposed in the foaming layer, so as to obtain a suitable temperature range, and on the other hand, the dehumidifying component 30 is fixed in the foaming layer, so that the overall structure is relatively stable.

The cabinet opening 20 is connected to the upper ends of the inner container 11 and the outer casing 13, and forms a sealed connection with the door body to prevent the cold air in the compartment 12 from leaking.

The refrigerator further comprises an evaporator (not shown) arranged outside the adjacent inner container 11 and a condenser pipe arranged at an interval with the evaporator (not shown), a suitable temperature interval is formed between the evaporator and the condenser pipe, a suitable temperature range is provided for the dehumidifying component 30 to condense water vapor, generally speaking, the temperature of the refrigerator is lower when the refrigerator is close to the inner container 12, if the temperature of the dehumidifying component 30 is lower, the water vapor can frost inside the dehumidifying component 30 when passing through the dehumidifying component 30, and further blocks the dehumidifying component 30, and the distance range between the low-temperature module 30 and the inner container 11 is as follows: 10 mm-15 mm, so that the low-temperature module 32 can obtain a proper temperature range to condense the water vapor and cool the air.

Further, go into the lower extreme intercommunication of trachea 31 the outside of freezer, in order to control the process the tolerance size of trachea 31, the internal diameter of trachea 31 is not more than 4mm, ensures that the pressure of the interior gas of trachea 31 is not less than the atmospheric pressure difference between freezer compartment 12 and the outside for gas enters into in the compartment 12 after entering low temperature module 32 by trachea 31.

In this embodiment, the refrigerator further includes a compressor compartment 40 disposed at a lower side portion, the air inlet pipe 31 extends downward into the compressor compartment 40, the air inlet pipe 31 extends to a position above a water pan (not shown) in the compressor compartment 40, and condensed water formed after passing through the dehumidifying assembly 30 is discharged into the water pan along the air inlet pipe 31.

Generally, the lower part of the refrigerator near the evaporator has a lower temperature, and if the low temperature module 32 is disposed at the lower part of the refrigerator, although the condensation of the water vapor is facilitated, the water vapor enters the low temperature module 32 via the air inlet pipe 31, so that the residence time of the water vapor in the low temperature module 32 is short, which affects the condensation effect. Preferably, the low temperature module 32 is disposed at an intermediate position between the compressor compartment 40 and the cabinet opening 20, so that the low temperature module 32 can easily reach a temperature within a preset temperature range, and the longer air inlet pipe 31 is disposed to allow water vapor to sufficiently condense in the air inlet pipe 31 and the low temperature module 32, thereby increasing the dehumidification effect of the low temperature module 32.

As shown in fig. 2 to 6, the upper end of the gas inlet pipe 31 is communicated with the lower end of the low temperature module 32, and preferably, the gas inlet pipe 31 is disposed at the central position of the lower end of the low temperature module 32 in the transverse direction, so that the gas is favorably dispersed into the whole low temperature module 32 and then sufficiently condensed after reaching the low temperature module 32.

As shown in fig. 4, the low temperature module 32 includes a base plate 321 and a plurality of vent holes 322 penetrating the base plate 321 from top to bottom, the vent holes 322 are arranged at intervals along the width direction of the base plate 321, air circulating the low temperature module 32 enters the air outlet pipe 33 through the vent holes 322, and the arrangement of the vent holes 322 increases the contact area between the water vapor and the low temperature module 32, so that the air can exchange heat with the low temperature module 32 sufficiently. In order to low temperature module 32 has good heat exchange effect, low temperature module 32 adopts the metal material to make, including but not limited to materials such as copper, aluminium, the utility model discloses do not injure the shape of air vent 322 and the outside shape of base plate 321, as long as can realize all being in to the condensation effect of vapor the utility model discloses an within the protection scope.

Further, outlet duct 33 one end is connected the upper portion of low temperature module 32, will by in the leading-in compartment 12 of air after low temperature module 32 fully condenses, the internal diameter of outlet duct 33 is greater than go into the internal diameter of trachea 31, in this embodiment, outlet duct 33 is the bellows, does benefit to the installation and the maintenance of outlet duct 33, and strong adaptability.

As a preferred embodiment of the present invention, the dehumidifying component 30 further comprises a first fixing structure 35 for fixing the inlet pipe 31 and the low temperature module 32, and a second fixing structure 36 for fixing the outlet pipe 33 and the low temperature module 32, wherein the first fixing structure 35 and the second fixing structure 36 limit the low temperature module 32 in the up-down direction.

The first fixing structure 35 includes a first communicating hole 351 communicating the air inlet pipe 31 and the low temperature module 32, the second fixing structure 36 includes a second communicating hole 361 communicating the air outlet pipe 33 and the low temperature module 32, the dehumidifying assembly 30 realizes the fixing and installation among the air inlet pipe 31, the low temperature module 32 and the air outlet pipe 33 through the first fixing structure 35 and the second fixing structure 36, and meanwhile, when needed, the maintenance or the replacement is convenient.

Specifically, as shown in fig. 3 and 6, the first fixing structure 35 includes a first section 352 for fixing the air outlet pipe 33, and a second section 353 for fixing the low temperature module 32, the first communication hole 351 penetrates through the first section 352 and the second section 353, the first section 352 has an inner diameter larger than that of the second section 353, the first section 352 extends into the air outlet pipe 33 to prevent the leakage of the cold air subjected to heat exchange, and specifically, the first fixing structure 35 further includes a first mounting groove provided at a lower end of the second section 353, the inner diameter of the first mounting groove is larger than that of the second section 353, the second section 353 is used for fixing the low temperature module 32, an upper end of the low temperature module 32 is embedded in the first mounting groove, a top wall of the first mounting groove abuts against an upper end of the low temperature module 32, and the first mounting groove limits the low temperature module 32 below the air outlet pipe 33.

Further, as shown in fig. 3 and 6, the second fixing structure 36 includes a third section 362 for fixing the low temperature module 32, and a fourth section 363 for fixing the gas inlet pipe 31, the second communication hole 361 penetrates through the third section 362 and the fourth section 363, an inner diameter of the third section 362 is greater than an inner diameter of the fourth section 363, an upper end of the gas inlet pipe 31 is embedded in the fourth section 363, the second fixing structure 36 further includes a second mounting groove disposed at an upper end of the third section 362, an inner diameter of the second mounting groove is greater than an inner diameter of the third section 362, a lower end of the low temperature module 32 is embedded in the second mounting groove 364, a bottom wall of the second mounting groove abuts against a lower end of the low temperature module 32, and the second mounting groove limits the low temperature module 32 above the gas inlet pipe 31.

Further, the check valve 34 is disposed in the air outlet pipe 33 above the first section 352, in this embodiment, the check valve 34 is a light ball, the outer diameter of the check valve 34 is smaller than the inner diameter of the air outlet pipe 33, the outer diameter of the check valve 34 is larger than the inner diameter of the first section 352, when the air enters the air outlet pipe 33 from the air inlet pipe 31, the air can push the check valve 34 open, so that the dehumidifying component 32 is connected; when no air enters the air outlet pipe 33 from the air inlet pipe 31, the check valve 34 can cover the first communication hole 351 under the action of gravity, thereby preventing the cold air in the compartment 12 from leaking out of the dehumidifying assembly 30.

Of course, the non-return valve 34 may have other structures, such as a cover, a vane, etc., as long as the same technical effect can be achieved, and the structure is within the protection scope of the present embodiment.

As another preferred embodiment of the present invention, as shown in fig. 2 and 3, the dehumidifying assembly 30 further includes a positioning module 37 selectively disposed between the low temperature module 32 and the inner container 11 or the outer shell 13, wherein the positioning module 37 is disposed on the first fixing member 35 and/or the second fixing member 36, and in this embodiment, the positioning module 37 is preferably disposed in two, and disposed at the side of the first fixing member 36 and the second fixing member 37 respectively. By arranging the positioning modules 37 with different sizes, the distance between the low-temperature module 32 and the inner container 11 or the outer shell 13 is adjusted, and the low-temperature module 32 can be ensured to be positioned in a required temperature range.

Be equipped with on cabinet mouth 20 and connect the connecting piece 21 of outlet duct 33, be provided with the annular gas outlet (not shown) of intercommunication room 12 and outlet duct 33 on the connecting piece 21, the annular gas outlet can effectively reduce the air admission room 12, makes the air be in the inside abundant condensation of dehumidification subassembly 3, on the other hand, the annular gas outlet can reduce equally air conditioning in the room 12 leaks via dehumidification subassembly 3, avoids the loss of the increase energy.

In summary, with the above structure, after the gas containing water vapor passes through the low temperature module 32, the water vapor is condensed into liquid water, and does not enter the compartment 12 to frost when encountering cold; in combination with the arrangement of the non-return valve 34, the cold air in the compartment 12 is prevented from flowing out through the dehumidification assembly 30, and thus the energy loss is increased; the device does not use consumables, reduces the use cost, is convenient to install, maintain and repair, and is suitable for long-term use.

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 of a series of embodiments is only for the purpose of illustration, and is not intended to limit the scope of the invention, which is intended to include all equivalent embodiments or modifications that do not depart from the spirit of the 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 compartment, its characterized in that: the inner bag outside is equipped with the dehumidification subassembly, the dehumidification subassembly includes with external intercommunication and from the income trachea that the cold cupboard lower part upwards extended, with go into the low temperature module of trachea upper end intercommunication, extend to the outlet duct of cabinet mouthful from low temperature module upper end, go into trachea and outlet duct and all can dismantle with low temperature module and be connected, the dehumidification subassembly is still including being located the check valve between low temperature module and the cabinet mouth.

2. The cooler of claim 1, wherein: the freezer is still including setting up the compressor storehouse at the downside, the admission pipe downwardly extending to the compressor storehouse in, the low temperature module sets up intermediate position between compressor storehouse and the counter mouth, the low temperature module with the distance scope between the inner bag is 10mm ~ 15mm.

3. The cooler of claim 1, wherein: the low-temperature module comprises a substrate and a plurality of vent holes which penetrate through the substrate from top to bottom, and the vent holes are arranged at intervals along the width direction of the substrate plate.

4. The cooler of claim 1, further comprising: the dehumidification subassembly is still including fixing go into the first fixed knot structure of trachea and low temperature module, fixed the second fixed knot structure of outlet duct and low temperature module, first fixed knot constructs including the intercommunication go into the first intercommunicating pore of trachea and low temperature module, the second fixed knot constructs including the intercommunication the second intercommunicating pore of outlet duct and low temperature module.

5. The cooler of claim 4, wherein: first fixed knot constructs including the first section of fixed outlet duct, the second section of fixed low temperature module, first through-hole runs through first section and second section, the internal diameter of first section is greater than the internal diameter of second section, first fixed knot constructs still including locating the first mounting groove of second section lower extreme, the internal diameter of first mounting groove is greater than the internal diameter of second section, the roof butt of first mounting groove the upper end of low temperature module.

6. The cooler of claim 4, wherein: the second fixing structure comprises a third section for fixing the low-temperature module and a fourth section for fixing the air inlet pipe, the second communicating hole penetrates through the third section and the fourth section, the inner diameter of the fourth section is larger than that of the third section, the second fixing structure further comprises a second mounting groove arranged at the upper end of the third section, the inner diameter of the second mounting groove is larger than that of the third section, and the bottom wall of the second mounting groove is abutted to the lower end of the low-temperature module.

7. The cooler of claim 5, wherein: the check valve is arranged in the air outlet pipe above the first section, and the outer diameter of the check valve is larger than the inner diameter of the first section.

8. The cooler of any one of claims 1 to 7, further comprising: 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 larger than 4mm.

9. The cooler of any one of claims 1 to 7, further comprising: 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 hole communicated with the indoor space and the air outlet pipe.

10. The cooler of any one of claims 4 to 7, wherein: the dehumidification assembly comprises a positioning module arranged between the low-temperature module and the inner container, and the positioning module is arranged on the first fixing piece and/or the second fixing piece.

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