阅读说明：本技术 一种分体式制冰机 (Split ice maker ) 是由 潘彤彤 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种分体式制冰机,涉及制冰机技术领域。包括机体外壳、风扇、散热器、制冷芯片、控制主板、保温层、制冰盒,导冷体。所述导冷体与所述制冷芯片的一面接合,所述散热器与所述制冷芯片的另一面接合,所述制冰盒与所述导冷体可拆卸连接,所述风扇与所述散热器的翅片端接合,所述制冰盒设有内凹槽,所述内凹槽内设有凸起部。该分体式制冰机,在制冰盒的内凹槽中增加了凸起部结构,可增加换热面积,降低冷量传输距离,使冷量传导热阻减小,加快制冰进程,同时制冰盒与导冷体采用了分离式结构设计,通过定位凸台和定位凹槽的对接相接合,在满足制冰的同时,也便于取放或清洗制冰盒,且也方便了用户DIY制冰的需求。(The invention discloses a split type ice maker, and relates to the technical field of ice makers. 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 cold guide body. The cooling guide body is jointed with one surface of the refrigeration chip, the radiator is jointed with the other surface of the refrigeration chip, the ice making box is detachably connected with the cooling guide body, the fan is jointed with the end of the fin of the radiator, the ice making box is provided with an inner groove, and a convex part is arranged in the inner groove. This split type ice machine has increased the bellying structure in the inner groovy of ice making box, multiplicable heat transfer area, reduces cold volume transmission distance, makes cold volume conduction thermal resistance reduce for the ice making process, and ice making box has adopted the disconnect-type structural design with the cold conductor simultaneously, and the butt joint through location boss and positioning groove is engaged with, when satisfying ice making, also is convenient for get put or wash the ice making box, and has also made things convenient for the demand of user DIY ice making.)

1. The utility model provides a split 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), leads cold body (8), its characterized in that: the cooling guide body (8) 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 ice making box (7) is detachably connected with the cooling guide body (8), the fan (2) is jointed with the fin end of the radiator (3), and the refrigeration chip (4) is electrically connected with the control mainboard (5).

2. The split ice maker as claimed in claim 1, wherein: the ice making box (7) is provided with an inner groove (9), a protruding part (10) is arranged in the inner groove (9), and the insulating layer (6) is arranged on the periphery of the ice making box (7).

3. The split ice maker as claimed in claim 1, wherein: a groove (11) is formed in the upper portion of the machine body shell (1), and the ice making box (7) is detachably mounted in the groove (11).

4. The split ice maker as claimed in 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).

5. The split ice maker as claimed in claim 1, wherein: including limit switch (13), engine body shell (1) is equipped with installation cavity (14), limit switch (13) install in installation cavity (14) to with control mainboard (5) electricity is connected.

6. The split ice maker as claimed in claim 1, wherein: the engine body shell (1) is provided with a clip-shaped groove (15), and the heat preservation layer (6) is sleeved in the engine body shell (1) through the clip-shaped groove (15).

7. The split ice maker as claimed in claim 1, wherein: the connection structure is characterized in that guide sleeve holes (16) are formed in the periphery of the inner portion of the lower end shell of the engine body shell (1), guide columns (17) are arranged on the periphery of the inner top of the upper end shell of the engine body shell (1), and the guide columns (17) and the guide sleeve holes (16) are used for achieving connection of the upper shell and the lower shell of the engine body shell (1).

8. The split ice maker as claimed in claim 1, wherein: the heat-insulating radiator is characterized in that a joint blind hole (18) is formed in the cold-conducting body (8), a heat-insulating anchor bolt (19) is installed on the radiator (3), and the cold-conducting body (8) is connected with the radiator (3) through the joint blind hole (18) and the heat-insulating anchor bolt (19).

9. The split ice maker as claimed in claim 1, wherein: be equipped with fresh air inlet (20) on the lateral wall of engine body shell (1), the bottom of engine body shell (1) is equipped with louvre (21).

10. The split ice maker according to claim 5, wherein: the outer side of the ice making box (7) is provided with a step (22), and the movable contact of the limit switch (13) extends out of the mounting cavity (14) and is abutted to the step (22).

11. The split ice maker as claimed in claim 1, wherein: the ice-making machine is characterized in that a positioning boss (23) is arranged on the cold guide body (8), a positioning groove (24) is formed in the bottom of the ice-making box (7), and the cold guide body (8) is connected with the ice-making box (7) in a butt joint mode through the positioning boss (23) and the positioning groove (24).

12. The split ice maker as claimed in claim 1, wherein: the machine body shell (1) is characterized by further comprising an upper cover (25), wherein the upper cover (25) is arranged on the machine body shell (1).

Technical Field

The invention relates to the technical field of ice machines, in particular to a split type ice machine.

Background

A refrigerating chip is a heat pump, is applied to occasions with limited space, high reliability requirement and no refrigerant pollution, utilizes the Peltier effect of semiconductor materials, and can respectively absorb heat and emit heat at two ends of a galvanic couple when direct current passes through the galvanic couple pair consisting of two different semiconductor materials, thereby achieving the aim of refrigeration.

The semiconductor refrigeration technology has the advantages of miniaturization, modularization and the like, is suitable for the structural design of a small ice maker with a small amount of ice blocks, but has the defects of small refrigerating capacity and low refrigerating efficiency, so that the conventional semiconductor ice maker has long ice making time, and the ice making box and the semiconductor refrigeration chip are integrally designed, so that the ice taking and cleaning of the ice making box are difficult, the ice making box is limited by the shape of the ice blocks of the fixed ice making box, the shape of the ice blocks cannot be changed, and the DIY ice making requirement is met.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a split ice maker 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: including engine body shell, fan, radiator, refrigeration chip, control mainboard, heat preservation, ice making box, lead cold body, its characterized in that: the cooling guide body is jointed with one surface of the refrigeration chip, the radiator is jointed with the other surface of the refrigeration chip, the ice making box is detachably connected with the cooling guide body, the fan is jointed with the fin end of the radiator, and the refrigeration chip is electrically connected with the control mainboard.

As a preferred technical scheme of the invention, the ice making box is provided with an inner groove, a convex part is arranged in the inner groove, and the insulation layer is arranged on the periphery of the ice making box.

As a preferred technical scheme of the present invention, a groove is provided at an upper portion of the housing, and the ice making housing is detachably mounted in the groove.

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.

The machine body shell is provided with a mounting cavity, and the limit switch is mounted in the mounting cavity and electrically connected with the control main board.

As a preferred technical scheme of the invention, the engine body shell is provided with a clip-shaped groove, and the heat-insulating layer is sleeved in the engine body shell through the clip-shaped groove.

As a preferred technical scheme of the invention, guide sleeve holes are formed in the periphery of the inner part of the shell at the lower end of the engine body shell, guide columns are formed in the periphery of the inner top of the shell at the upper end of the engine body shell, and the upper shell and the lower shell of the engine body shell are connected through the guide columns and the guide sleeve holes.

As a preferred technical scheme of the invention, the cold guide body is provided with a joint blind hole, the radiator is provided with a heat insulation anchor bolt, and the cold guide body is connected with the heat insulation anchor bolt and the radiator through the joint blind hole.

As a preferred technical scheme of the invention, the side wall of the machine body shell is provided with an air inlet hole, and the bottom of the machine body shell is provided with a heat dissipation hole.

As a preferred technical scheme of the invention, the outer side of the ice making box is provided with a step, and a movable contact of the limit switch extends out of the mounting cavity and is abutted to the step.

As a preferred technical scheme of the present invention, the cooling guide body is provided with a positioning boss, the bottom of the ice making box is provided with a positioning groove, and the cooling guide body and the ice making box are engaged with each other through the abutting joint of the positioning boss and the positioning groove.

As a preferable technical solution of the present invention, the portable terminal further includes an upper cover, and the upper cover is disposed on the housing.

(III) advantageous effects

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

1. this split type ice machine has increased the bellying structure in the inner groovy of ice making box, multiplicable heat transfer area, reduces cold volume transmission distance, makes cold volume conduction thermal resistance reduce for the ice making process, and ice making box has adopted the disconnect-type structural design with the cold conductor simultaneously, and the butt joint through location boss and positioning groove promptly engages, when satisfying ice making, also is convenient for get put or wash the ice making box, and has also made things convenient for the demand of user DIY ice making.

2. This split type ice machine, the refrigeration chip adopts ceramic substrate structure usually, for the damage that causes the refrigeration chip when avoiding ice-making box and the cold face joint of refrigeration chip, adopts the cold conductor as intermediary, carries out cold volume conduction through the joint of face with the face to the life of extension refrigeration chip.

3. The split ice maker has the advantages that the cold guide body is jointed with the refrigeration chip by adopting the cold surface, and the refrigeration is carried out when the ice making box is not jointed with the cold guide body in place, so that the thermal resistance is increased, and the electric energy is consumed.

Drawings

Fig. 1 is a schematic structural diagram of a split ice maker according to the present invention;

fig. 2 is a schematic diagram of a split ice maker according to the present invention after an upper cover is removed;

fig. 3 is a partial sectional view of a split type ice maker according to the present invention;

fig. 4 is a schematic diagram of a split ice maker according to the present invention after an upper housing of a body housing is removed;

fig. 5 is an exploded view of a split ice maker 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 cold conductor; 9. an inner groove; 10. a boss portion; 11. a groove; 12. a temperature sensor; 13. a limit switch; 14. a mounting cavity; 15. a clip-shaped groove; 16. a guide sleeve hole; 17. a guide post; 18. engaging the blind hole; 19. a heat-insulating anchor bolt; 20. an air inlet hole; 21. heat dissipation holes; 22. a step; 23. positioning the boss; 24. a positioning groove; 25. and (7) covering.

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. 1-5, a split ice maker includes a housing 1, a fan 2, a heat sink 3, a refrigeration chip 4, a control board 5, a heat insulating layer 6, an ice making box 7, and a cold conductor 8, where the cold conductor 8 is bonded to one surface of the refrigeration chip 4, the heat sink 3 is bonded to the other surface of the refrigeration chip 4, the refrigeration chip 4 is usually of a ceramic substrate structure, and in order to prevent the refrigeration chip 4 from being damaged when the ice making box 7 is bonded to the cold surface of the refrigeration chip 4, the cold conductor 8 is used as an intermediary, and performs cold conduction through surface-to-surface bonding, so as to prolong the service life of the refrigeration chip 4, the ice making box 7 is detachably connected to the cold conductor 8, and as the cold conductor 8 is bonded to the refrigeration chip 4, the refrigeration is performed when the ice making box 7 is not bonded to the cold conductor 8, the thermal resistance and the electric energy consumption are increased, the invention is provided with a limit switch 13, when the ice making box 7 and the cold conductor 8 are jointed in place, and a certain pressure is applied to ensure that the ice making box 7 and the cold conductor 8 are jointed tightly face to face under a certain pressure, the refrigeration chip 4 can start working, the ineffective energy consumption can be effectively reduced, the contact thermal resistance is reduced, the fan 2 is jointed with the fin end of the radiator 3, the ice making box 7 is provided with an inner groove 9, a bulge part 10 is arranged in the inner groove 9, the bulge part 10 structure is added in the inner groove 9 of the ice making box 7, the heat exchange area can be increased, the cold transmission distance can be reduced, the cold transmission thermal resistance can be reduced, the ice making process can be accelerated, meanwhile, the ice making box 7 and the cold conductor 8 adopt a separated structural design, namely, the positioning bulge 23 is jointed with the positioning groove 24 in a butt joint way, the ice making is met, and the ice making is convenient to take and place or clean the ice making box, and the requirement of DIY ice making of a user is facilitated, the insulating layer 6 is arranged on the periphery of the ice making box 7, and the refrigeration chip 4 is electrically connected with the control mainboard 5.

As a specific technical solution of this embodiment, a groove 11 is formed in an upper portion of the housing 1, and the ice making housing 7 is detachably mounted in the groove 11.

In the present embodiment, the ice making housing 7 is loaded in the body housing 1 through the groove 11.

As a specific technical solution of this embodiment, the ice-making device further includes a temperature sensor 12, and the temperature sensor 12 is engaged with the ice-making housing 7, or embedded in the ice-making housing 7, and 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 portable electronic device includes a limit switch 13, the housing 1 is provided with a mounting cavity 14, and the limit switch 13 is mounted in the mounting cavity 14 and electrically connected to the control motherboard 5.

In this embodiment, the limit switch 13 is used to apply a certain pressure after the ice making box 7 and the cold conductor 8 are joined in place, so as to ensure that the ice making box 7 and the cold conductor 8 are tightly joined from surface to surface under a certain pressure, and the refrigeration chip 4 can start to work.

As a specific technical scheme of this embodiment, the engine body shell 1 is provided with a clip-shaped groove 15, and the heat insulation layer 6 is sleeved in the engine body shell 1 through the clip-shaped groove 15.

In this embodiment, the dissipation of the cold energy is slowed down by the heat-insulating layer 6.

As a specific technical scheme of this embodiment, guide sleeve holes 16 are formed around the inside of the lower end shell of the engine body shell 1, guide posts 17 are formed around the inner top of the upper end shell of the engine body shell 1, and the connection between the upper and lower shells of the engine body shell 1 is realized through the guide posts 17 and the guide sleeve holes 16.

In this embodiment, the connection between the upper and lower housings of the body housing 1 is achieved by the guide posts 17 and the guide sleeve holes 16, so as to trigger the limit switch 13.

As a specific technical solution of this embodiment, the cooling guide body 8 is provided with a blind engaging hole 18, the heat sink 3 is provided with a heat insulating anchor bolt 19, and the cooling guide body 8 is connected to the heat sink 3 through the blind engaging hole 18 and the heat insulating anchor bolt 19.

In this embodiment, when the surface-to-surface bonding mode is adopted, the heat sink 3, the refrigeration chip 4 and the cooling conductor 8 are mechanically connected together by the heat insulation anchor bolt 19, and finally, the cold end surface and the hot end surface of the refrigeration chip 4 are effectively bonded with the cooling conductor 8 and the heat sink 3 respectively, so that cold and heat are effectively conducted.

As a specific technical solution of this embodiment, an air inlet 20 is disposed on a side wall of the machine body housing 1, and a heat dissipation hole 21 is disposed at a bottom of the machine body housing 1.

In this embodiment, the fan 2 introduces fresh air through the air inlet 20 and introduces hot air through the heat dissipation holes 21.

As a specific technical solution of this embodiment, a step 22 is disposed on an outer side of the ice making box 7, and a moving contact of the limit switch 13 extends out of the mounting cavity 14 and abuts against the step 22.

In this embodiment, after the ice making box 7 and the cold conductor 8 are engaged in place, a certain pressure is applied to trigger the movable contact of the limit switch 13 through the step 22.

As a specific technical solution of this embodiment, a positioning boss 23 is disposed on the cold guide body 8, a positioning groove 24 is disposed at the bottom of the ice making box 7, and the cold guide body 8 and the ice making box 7 are engaged with each other through the abutting joint of the positioning boss 23 and the positioning groove 24.

In this embodiment, for the first cold energy conduction link of the liquid in the inner groove 9 of the ice making box 7, the key technology is to reduce the conduction thermal resistance from the cold energy of the ice making box 7 to the water in the inner groove 9 of the ice making box 7, and improve the heat exchange efficiency between the cold energy of the inner groove 9 and the water, and the cold energy conduction formula is Q ═ Δ T/R_TWherein Q, Δ T, R_TRespectively refrigeration power, refrigeration temperature difference and refrigeration capacity heat conduction resistance, and the formula shows that the heat conduction resistance R_TThe smaller the conduction is, the larger the conduction cold quantity is, the higher the conduction efficiency is, because of the conductionThermal conductive resistanceWherein L, lambda and S are respectively the cold transmission distance, the heat conductivity coefficient and the conduction sectional area according to the conduction thermal resistance R_TCalculation formula, under the condition of constant heat conductivity coefficient lambda, reducing heat conduction resistance R_TThe method comprises the steps of reducing the cold conduction distance L and increasing the conduction sectional area S, and in addition, according to a heat exchange calculation formula Q being hS 'delta T, wherein h, S' and delta T are respectively a surface heat exchange coefficient, a heat exchange area and a temperature difference, so that the formula shows that the heat exchange amount can be increased by increasing the heat exchange area, and further the heat exchange efficiency is improved.

As a specific technical solution of this embodiment, the portable electronic device further includes an upper cover 25, and the upper cover 25 is disposed on the body housing 1.

In this embodiment, the upper cover 25 is covered during ice making to ensure smooth ice making.

The working principle and the using process of the invention are as follows: when the ice making machine is used, the fan 2 and the refrigeration chip 4 can adopt a plurality of power supply modes such as an external AC-DC converter mode, an external charger, an internal rechargeable battery or an alternating current and direct current dual-purpose mode, when 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 to realize heat exchange with the environment to achieve heat dissipation to the surrounding environment space, cold generated by the cold end of the refrigeration chip 4 is conducted to the cold conductor 8, then the wall surface of the inner groove 9 and the wall surface of the bulge part 10 of the ice making box 7 which are tightly connected with the cold conductor 8 are conducted to liquid in the inner groove 9 to refrigerate and cool the liquid, the ice making is frozen layer by layer on the wall surfaces of the inner groove 9 and the bulge part 10 until the liquid in the whole inner groove 9 is completely frozen into ice blocks, and when ice making is finished, when the temperature is lower than a certain set temperature threshold value, the ice making is judged to be finished, and an alarm prompt can be given.

In summary, in the split ice maker, the protrusion 10 structure is added in the inner groove 9 of the ice making box 7, so that the heat exchange area can be increased, the cold transmission distance can be reduced, the cold conduction thermal resistance can be reduced, the ice making process can be accelerated, and meanwhile, the ice making box 7 and the cold conductor 8 adopt a split structure design, namely, the positioning boss 23 and the positioning groove 24 are butted and combined, so that the ice making box 7 can be conveniently taken or cleaned while ice making is met, and the DIY ice making requirement of a user can be conveniently met; the refrigeration chip 4 usually adopts a ceramic substrate structure, and in order to avoid the damage of the refrigeration chip 4 caused by the joint of the ice making box 7 and the cold surface of the refrigeration chip 4, the cold conductor 8 is adopted as an intermediary, and the cold quantity conduction is carried out through the joint of the surface and the surface, so that the service life of the refrigeration chip 4 is prolonged; because the cold conductor 8 and the refrigeration chip 4 are jointed by a cold surface, when the ice making box 7 and the cold conductor 8 are not jointed in place, the refrigeration is carried out, the thermal resistance is increased, and the electric energy is consumed.

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.