CN112710109A

CN112710109A - Integrated ice maker

Info

Publication number: CN112710109A
Application number: CN202110084323.3A
Authority: CN
Inventors: 潘彤彤
Original assignee: Xindonghai Hardware & Electrical Appliance Co ltd
Current assignee: Xindonghai Hardware & Electrical Appliance Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-04-27

Abstract

The invention discloses an integrated ice maker, and relates to the technical field of refrigerators. The refrigerator comprises a machine body shell, a fan, a radiator, a refrigeration chip, a control main board, a heat insulation layer, an ice making box and a top cover, wherein the ice making box is jointed with one surface of the refrigeration chip, the radiator is jointed with the other surface of the refrigeration chip, and the fan is jointed with the fin end of the radiator. This integral type ice maker couples together ice making box, refrigeration chip and radiator through adiabatic connecting piece to ensure that the cold and hot terminal surface of refrigeration chip is laminated with ice making box, radiator effectively respectively, makes cold, heat obtain effective conduction, does not have any direct metallic interconnect between radiator, adiabatic connecting piece and the ice making box, has effectively reduced because of the cold volume loss that the hot short circuit caused, has increased the cold volume of refrigeration chip conduction to ice making box, has accelerated the ice-making speed.

Description

Integrated ice maker

Technical Field

The invention relates to the technical field of refrigerators, in particular to an integrated ice maker.

Background

With the continuous improvement of production and life, refrigeration equipment is integrated into the life of thousands of households, a refrigerator transfers heat of a cooled object with a lower temperature to an environment medium to obtain cold, the heat transferred from the object with the lower temperature is customarily called cold, the temperature range of refrigeration is usually more than 120K, and below 120K belongs to the deep low temperature technical range, and the refrigerator is widely applied to industrial and agricultural production and daily life.

At present, some miniaturized ice making machines in the market particularly use a semiconductor refrigeration technology, but when the ice making machines are used for making ice, the ice making box is only a common groove in structure, a heat exchange surface is only a groove surface, and the joint structure of the ice making box and a refrigeration chip is unreasonable in design, so that the cold energy generated by a refrigeration piece cannot be efficiently and quickly conducted, the ice making of water in the ice making box is realized, and the ice making machines can be made in a long time even if the ice making machines can be made into ice blocks.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides an integrated ice making machine to solve the problems set forth in the background above.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an integrated ice maker comprises a machine body shell, a fan, a radiator, a refrigeration chip, a control main board, a heat insulation layer, an ice making box and a top cover, wherein the ice making box is jointed with one surface of the refrigeration chip, the radiator is jointed with the other surface of the refrigeration chip, the fan is jointed with the fin end of the radiator, the refrigeration chip is electrically connected with the control main board, the heat insulation layer is arranged on the periphery of the ice making box, a groove is formed in the ice making box, and a protruding portion is arranged in the groove.

As a preferable technical solution of the present invention, the ice-making device further includes a heat insulating connector, and the heat sink is connected to the ice-making housing through the heat insulating connector.

As a preferable technical solution of the present invention, the ice making device further includes a temperature sensor, the temperature sensor is joined to the ice making box or embedded in the ice making box, and the temperature sensor is electrically connected to the control main board.

As a preferred technical scheme of the invention, the front side and the rear side of the machine body shell are provided with air inlet holes, and the bottom of the machine body shell is provided with heat dissipation holes.

As a preferred technical scheme of the present invention, a placing bin is arranged in the housing of the machine body, and the control main board is located in the placing bin.

As a preferable technical scheme of the invention, the bottom of the heat-insulating layer is provided with an opening, and the refrigeration chip is positioned in the opening.

As a preferred technical scheme of the invention, the bottom of the heat-insulating layer is provided with a sealing gasket, and the sealing gasket covers the gap between the heat-insulating layer and the ice-making box.

As a preferred technical scheme of the invention, the bottom of the ice making box is provided with a connecting hole, and the heat insulation connecting piece is connected with the ice making box through the connecting hole.

In a preferred embodiment of the present invention, the heat-insulating connector is a plastic bolt, or the heat-insulating connector includes a metal bolt and a heat-insulating sleeve gasket, and the heat-insulating sleeve gasket is sleeved on the metal bolt.

(III) advantageous effects

Compared with the prior art, the invention provides an integrated ice maker, which has the following beneficial effects:

1. this integral type ice maker adopts the laminating mode of face and face, carries out low thermal resistance joint through the cold junction with the ice-making box is direct with the refrigeration chip promptly, can ensure that the cold volume that the refrigeration chip produced high-efficiently conducts to the ice-making box in, finally realizes the effect of quick ice-making, and the heat preservation can ensure the scattering and disappearing of cold volume simultaneously.

2. According to the integrated ice maker, the protrusion part arranged in the groove of the ice making box forms a three-dimensional cold transfer structure for liquid in the groove, so that the heat exchange area is increased, the cold transmission distance is greatly reduced, the heat transfer resistance of the cold from the wall surface to the liquid is reduced, and the cold of the ice making box is quickly and efficiently transferred to the liquid to be frozen in the groove.

3. This integral type ice maker couples together ice making box, refrigeration chip and radiator through adiabatic connecting piece to ensure that the cold and hot terminal surface of refrigeration chip is laminated with ice making box, radiator effectively respectively, make cold, heat obtain effective conduction, there is not any metallic interconnect between radiator, adiabatic connecting piece and ice making box, effectively reduced the cold volume loss that the thermal short circuit caused, increased the refrigeration chip and conducted the cold volume to ice making box, accelerated the ice making speed.

Drawings

FIG. 1 is a schematic structural diagram of an integrated ice maker according to the present invention;

FIG. 2 is a schematic view of a top cover of an integrated ice maker according to the present invention shown removed;

FIG. 3 is a partial cross-sectional view of an integrated ice maker in accordance with the present invention;

FIG. 4 is a schematic top-side view of a housing of an ice maker according to the present invention;

FIG. 5 is an exploded view of an integrated ice maker in accordance with the present invention;

FIG. 6 is a schematic view of the structure of the heat insulation connector of the integrated ice making machine according to the present invention.

In the figure: 1. a body housing; 2. a fan; 3. a heat sink; 4. a refrigeration chip; 5. a control main board; 6. a heat-insulating layer; 7. an ice-making box; 8. a top cover; 9. a groove; 10. a boss portion; 11. a thermally insulating connector; 12. a temperature sensor; 13. an air inlet hole; 14. heat dissipation holes; 15. placing a bin; 16. an opening; 17. a gasket; 18. connecting holes; 19. a metal bolt; 20. an insulating sleeve gasket.

Detailed Description

The technical solutions 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 of the 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.

Referring to fig. 1-6, an integrated ice maker includes a housing 1, a fan 2, a radiator 3, a refrigeration chip 4, a control motherboard 5, a thermal insulation layer 6, an ice making box 7, and a top cover 8, where the ice making box 7 is connected to one surface of the refrigeration chip 4, the radiator 3 is connected to the other surface of the refrigeration chip 4, the fan 2 is connected to the fin end of the radiator 3, the refrigeration chip 4 is electrically connected to the control motherboard 5, and a surface-to-surface bonding manner is adopted, that is, the ice making box 7 is directly connected to the cold end surface of the refrigeration chip 4 with low thermal resistance, so that the cold energy generated by the refrigeration chip 4 can be efficiently transmitted to the ice making box 7, and finally the effect of quick ice making is achieved, and the thermal insulation layer 6 can ensure the dissipation of the cold energy, the thermal insulation layer 6 is disposed on the periphery of the ice making box 7, and the ice, the groove 9 is internally provided with a convex part 10, a three-dimensional cold transfer structure is formed on liquid in the groove 9 through the convex part 10 arranged in the groove 9 of the ice making box 7, the heat exchange area is increased, the cold transfer distance is greatly reduced, the heat transfer resistance from the wall surface to the liquid is reduced, the cold of the ice making box 7 is quickly and efficiently transferred to the liquid to be frozen in the groove 9, the ice making box 7, the refrigeration chip 4 and the radiator 3 are connected through the heat insulation connecting piece 11, so that the cold end surface and the heat end surface of the refrigeration chip 4 are respectively and effectively attached to the ice making box 7 and the radiator 3, the cold and the heat are effectively transferred, no metal connection exists among the radiator 3, the heat insulation connecting piece 11 and the ice making box 7, the cold loss caused by thermal short circuit is effectively reduced, the cold transferred from the refrigeration chip 4 to the ice making box 7 is increased.

As a specific technical solution of this embodiment, the ice making device further includes a heat insulation connector 11, and the heat sink 3 is connected to the ice making box 7 through the heat insulation connector 11.

In this embodiment, the ice making box 7, the refrigeration chip 4 and the radiator 3 are connected by the heat insulation connecting piece 11 to ensure that the cold and hot end faces of the refrigeration chip 4 are respectively and effectively attached to the ice making box 7 and the radiator 3, so that cold and heat are effectively conducted.

As a specific technical solution of this embodiment, the ice-making device further includes a temperature sensor 12, the temperature sensor 12 is engaged with the ice-making housing 7, or embedded in the ice-making housing 7, and the temperature sensor 12 is electrically connected to the control main board 5.

In this embodiment, the temperature of the ice making box 7 is sensed by the temperature sensor 12, and when the temperature is lower than a certain set temperature threshold, it is determined that the ice making is completed, and an alarm prompt may be performed.

As a specific technical solution of this embodiment, the front and rear sides of the machine body shell 1 are provided with air inlet holes 13, and the bottom of the machine body shell 1 is provided with heat dissipation holes 14.

In this embodiment, the fan 2 draws in fresh air through the air inlet 13 and draws out hot air through the heat dissipation holes 14.

As a specific technical solution of this embodiment, a placing bin 15 is arranged in the machine body housing 1, and the control main board 5 is located in the placing bin 15.

In this embodiment, the control main board 5 is electrically connected to the fan 2, the refrigeration chip 4 and the temperature sensor 12 for controlling.

As a specific technical solution of this embodiment, an opening 16 is formed at the bottom of the insulating layer 6, and the refrigeration chip 4 is located in the opening 16.

In this embodiment, the cold end surface of the refrigeration chip 4 is directly contacted with the ice making box 7 to perform low thermal resistance bonding.

As a specific technical scheme of this embodiment, a sealing gasket 17 is disposed at the bottom of the heat insulating layer 6, and the sealing gasket 17 covers a gap between the heat insulating layer 6 and the ice making box 7.

In this embodiment, the sealing gasket 17 functions as a seal to reduce the loss of more cooling capacity.

As a specific technical solution of this embodiment, a connection hole 18 is formed at the bottom of the ice making box 7, and the heat insulation connector 11 is connected to the ice making box 7 through the connection hole 18.

In this embodiment, the heat insulation connector 11 is connected to the ice making box 7 through the connection hole 18 to ensure that the cold and hot end faces of the refrigeration chip 4 are respectively and effectively attached to the ice making box 7 and the heat sink 3, the ice making box 7 is composed of a groove 9 and a protrusion 10, for the convenience of cold conduction, the body is made of metal such as aluminum and copper, the groove 9 contains water for making ice, the bottom face of the ice making box 7 is generally a plane for receiving cold required for making ice, the wall face of the groove 9 and the surface of the protrusion 10 are connected to water to realize cold conduction from the cold of the ice making box 7 to water, after the cold is conducted from the outer bottom of the ice making box 7 to the ice making box 7 made of metal, the cold is conducted from the inner wall face of the groove 9 to the water for making ice, and the cold conductionThe whole ice making process is that the water in the groove 9 is cooled and refrigerated by conducting cold energy to the water through the wall surface, the water in the groove 9 is firstly frozen into ice on the inner wall surface along with the gradual reduction of the water temperature, then the frozen ice is gradually superposed layer by layer on the basis until the center of the groove 9, thereby the whole ice making process is completed, the ice making process of the groove 9 is from the outer wall surface to the center, because the heat conductivity coefficient of the ice is about 2.22W/m k, compared with a metal conductor, the heat conductivity coefficient is smaller, namely, the cold energy conduction thermal resistance is larger, the ice making process is that the cold energy penetrates the frozen ice layer by layer to be condensed layer by layer, relative to the wall surface of the groove 9, the cold energy conduction thermal resistance is gradually increased along with the increase of the condensation thickness of the ice layer by layer, particularly, the condensation time of the ice close to the center of the groove 9 is very long, namely, the water, by providing the raised portion 10 in the groove 9, two positive effects are produced, firstly, the wall surface area of the cold and water heat exchange is increased, assuming that the inner wall area of the groove 9 is S₁The surface area of the projection 10 is S₂The area of the wall surface of the bottom surface covered by the projection 10 is S₃The increased water exchange wall surface area is S by providing the projection 10₂-S₃Can be calculated according to the formula

Corresponding to the temperature difference between the heat exchange surface and water respectively

And

therefore, for the same cooling capacity Q and surface heat transfer coefficient h, due to Delta T₂＜ΔT₁Representing that the temperature difference between the water and the cold quantity heat exchange surface is smaller than the existing corresponding parameter value, the improvement characteristic is related to the increased area of the surface of the bulge part 10, and the second positive effect is that the bulge part 10 is added, the cold quantity conduction is changed from the wall surface around the groove 9 to the center thereof, namely, the one-way conduction from outside to inside is changed into the combination of the wall surface and the bulge part 10 from inside to outside simultaneouslyThree-dimensional conduction, the cold transmission distance is obviously increased by taking a central line as a reference, the corresponding ice making efficiency is greatly improved, the higher the height of the convex part 10 is, the larger the heat exchange area of the wall surface is, the better the heat exchange effect between the wall surface and water is, on the other hand, under the premise of determining the size of the ice making groove 9, the larger the height of the convex part 10 is, the smaller the ice making block volume is, in addition, as the height of the convex part 10 is increased and the volume is increased, the weight of the metal ice making box 7 is continuously increased, namely the heat capacity of the ice making box 7 is increased, the ice making time is also influenced, therefore, in combination with the thickness of the convex part 10 and the comprehensive refrigeration effect, the numerical range of the height of the convex part 10 is recommended to be 1/5-4/5 of the height of the groove 9, and the average diameter, meanwhile, the shape of the protruding part 10 is not limited to triangle, rectangle and trapezoid, and a plurality of grooves 9 are usually arranged on the ice making box 7 from the comprehensive angles of ice making economy, rapidity, volume, matching with the cold surface of the refrigeration chip 4 and the like, and the protruding part 10 arranged in the scheme can effectively solve the problem that the cold energy at the bottom of the ice making box 7 is efficiently transmitted to the water in the grooves 9 until freezing and freezing.

As a specific technical solution of this embodiment, the heat insulation connector 11 is a plastic bolt, or the heat insulation connector 11 includes a metal bolt 19 and a heat insulation sleeve gasket 20, and the heat insulation sleeve gasket 20 is sleeved on the metal bolt 19.

In this embodiment, because metal bolt 19 has connected minimum temperature part and the highest temperature part, ice making box 7 and radiator 3 promptly, consequently, two parts can form the thermal short circuit through metal bolt 19, in order to reduce the cold volume loss that the thermal short circuit caused, cup joint adiabatic sleeve pad 20 on metal bolt 19, it is thermal-insulated to make ice box 7 and radiator 3 between, and simultaneously, according to the installation needs, can put into shell fragment or spring, be used for balancing a plurality of metal bolt 19 to the straining force of radiator 3 on the one hand, on the other hand absorbs the stress variation that different temperature material deformation produced, finally ensure that the cold and hot terminal surface of refrigeration chip 4 effectively laminates with ice making box 7, radiator 3 respectively, make cold, heat obtain effective conduction.

The working principle and the using process of the invention are as follows: when the ice making machine is used, after ice making is started, the refrigeration chip 4 starts to work by electrifying, heat generated by the hot end of the refrigeration chip 4 is combined with the fan 2 through the radiator 3, heat exchange with the environment is achieved, and heat dissipation to the surrounding environment space is achieved, cold generated by the cold end of the refrigeration chip 4 is conducted to the ice making box 7 through direct connection with the surface of the ice making box 7, then the cold is conducted to liquid in the groove 9 through the wall surface of the groove 9 of the ice making box 7 and the wall surface of the bulge part 10, the liquid is cooled and cooled, the ice is frozen layer by layer on the wall surfaces of the groove 9 and the bulge part 10 until the liquid in the whole groove 9 is completely frozen into ice blocks, the temperature of the ice making box 7 is sensed through the arranged temperature sensor 12, when the temperature is lower than a certain set temperature threshold value, ice making is judged to be.

In summary, the integrated ice maker adopts a surface-to-surface bonding mode, that is, the ice making box 7 is directly bonded with the cold end surface of the refrigeration chip 4 through low thermal resistance, so that the cold energy generated by the refrigeration chip 4 can be efficiently transmitted into the ice making box 7, the effect of quickly making ice is finally realized, and meanwhile, the heat insulation layer 6 can ensure the dissipation of the cold energy; the three-dimensional cold transfer structure is formed for the liquid in the groove 9 through the convex part 10 arranged in the groove 9 of the ice making box 7, so that the heat exchange area is increased, the cold transmission distance is greatly reduced, the thermal conduction resistance of the cold from the wall surface to the liquid is reduced, and the cold of the ice making box 7 is quickly and efficiently conducted to the liquid to be frozen in the groove 9; the ice making box 7, the refrigeration chip 4 and the radiator 3 are connected through the heat insulation connecting piece 11, so that the cold and hot end faces of the refrigeration chip 4 are effectively attached to the ice making box 7 and the radiator 3 respectively, cold and heat are effectively conducted, no metal connection exists among the radiator 3, the heat insulation connecting piece 11 and the ice making box 7, cold loss caused by thermal short circuit is effectively reduced, cold quantity conducted from the refrigeration chip 4 to the ice making box 7 is increased, and ice making speed is accelerated.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integral type ice machine, includes engine body shell (1), fan (2), radiator (3), refrigeration chip (4), control mainboard (5), heat preservation (6), ice-making box (7) and top cap (8), its characterized in that: the ice making box (7) is jointed with one surface of the refrigeration chip (4), the radiator (3) is jointed with the other surface of the refrigeration chip (4), the fan (2) is jointed with the fin end of the radiator (3), the refrigeration chip (4) is electrically connected with the control main board (5), the heat insulation layer (6) is arranged on the periphery of the ice making box (7), a groove (9) is formed in the ice making box (7), and a protruding part (10) is arranged in the groove (9).

2. The integrated ice-making machine of claim 1, wherein: the ice-making box is characterized by further comprising a heat insulation connector (11), and the heat radiator (3) is connected with the ice-making box (7) through the heat insulation connector (11).

3. The integrated ice-making machine of claim 1, wherein: the ice-making box is characterized by further comprising a temperature sensor (12), wherein the temperature sensor (12) is jointed with the ice-making box (7) or embedded in the ice-making box (7), and the temperature sensor (12) is electrically connected with the control main board (5).

4. The integrated ice-making machine of claim 1, wherein: the air conditioner is characterized in that air inlet holes (13) are formed in the front side and the rear side of the machine body shell (1), and heat dissipation holes (14) are formed in the bottom of the machine body shell (1).

5. The integrated ice-making machine of claim 1, wherein: be equipped with in engine body shell (1) and place storehouse (15), control mainboard (5) are located place storehouse (15).

6. The integrated ice-making machine of claim 1, wherein: an opening (16) is formed in the bottom of the heat-insulating layer (6), and the refrigeration chip (4) is located in the opening (16).

7. The integrated ice-making machine of claim 1, wherein: the bottom of the heat preservation layer (6) is provided with a sealing gasket (17), and the sealing gasket (17) covers the heat preservation layer (6) and the gap of the ice making box (7).

8. The integrated ice-making machine of claim 2, wherein: the bottom of the ice making box (7) is provided with a connecting hole (18), and the heat insulation connecting piece (11) is connected with the ice making box (7) through the connecting hole (18).

9. The integrated ice-making machine of claim 2, wherein: the heat insulation connecting piece (11) is a plastic bolt, or the heat insulation connecting piece (11) comprises a metal bolt (19) and a heat insulation sleeve gasket (20), and the heat insulation sleeve gasket (20) is sleeved on the metal bolt (19).