CN1243211C - Freezer - Google Patents

Abstract

A refrigerating storage cabinet makes use of heat dissipated from a condenser unit to heat a lower rail in order to prevent formation of dew on the lower rail. The refrigerating storage cabinet comprises a thermal insulation cabinet body with an outer case and an inner case between which thermal insulation material is filled and comprising a storage chamber that forms a front opening and that has an interior space refrigerated by a refrigerating device, slide doors which are guided by rails arranged at upper and lower positions to close the opening of the thermal insulation cabinet, and a mechanical chamber containing a condensation unit comprised of a compressor, condenser and condenser fan. The refrigerating storage cabinet comprisesa fan box that separates intake side and discharge side of the condenser fan disposed in the mechanical chamber so as to perform intake and discharge operations both at the front side, by comprising a corner member for reinforcement to support the lower rail that is arranged in front of the mechanical chamber, the corner member with an interior space in fluid communication with the discharge side of the condenser fan at one end and in fluid communication with the intake side of the condenser fan at the opposite end.

Description

Freezer

Technical field

The present invention relates to the freezer that a kind of lower railway that makes slide can dewfall.

Background technology

Existing freezer, shown in the fair 6-35907 communique of spy, owing to being provided with the angle section that reinforcement uses, the front side in the Machine Room embeds the opening that slide cuts out body of thermal insulating box, so this angle section is discharged with drainpipe because of the dewfall in this lower railway generation of temperature official post of middle half of heating to keep glass.

Summary of the invention

Yet when the dew of the existing lower railway of discharging, the dew that remains in lower railway freezes at last, produces slide and opens and closes difficulty, causes the gap freezing of lower railway on door, makes the problem of cooling gas leakage in the storehouse.

The present invention provides a kind of freezer for solving the above problems, and utilizes the heat extraction heating lower railway of condensing unit, to prevent the dewfall of this lower railway.

The freezer of first aspect present invention comprises: body of thermal insulating box, and it is filling heat insulator between outer container and interior case, and has the storeroom that front openings is cooled off by cooler in inside; Slide, it is when closing the opening of this body of thermal insulating box, by being located at upper and lower track guiding; The Machine Room, it holds and is positioned at the described cooler of described storeroom below cooling, and has the condensing unit of compressor, condenser and condenser fan.This freezer is provided with fan case, and suction side and discharge side that it separates this Machine Room inner condenser fan make to suck forwardly and discharge; Also be provided with the angle section that reinforcement is used, keeping the lower railway that is located at this front, Machine Room, and constitute by the demarcation strip of separating the top, Machine Room and the space that lower railway forms.The one side in the space of this angle section is connected the discharge side of condenser fan, another side is connected the suction side of condenser fan, supplying with the space that forms by the angle section that keeps the lower railway reinforcement to use, so that described lower railway dewfall not at the condenser of condenser fan cooling and a part of heat extraction of compressor.By the demarcation strip of separating the top, Machine Room and space supply that lower railway forms heat extraction, to prevent in the lower railway dewfall from the Machine Room.

The freezer of second aspect present invention wherein in the angle section that this reinforcement is used, is provided with by the space of this angle section and emits the intercommunicating pore of the heat extraction of condensing unit to lower railway, heats described lower railway and the dew that falls from the glass face of slide is evaporated at lower railway.

Description of drawings

Fig. 1 is the low-temperature display cabinet stereogram of the embodiment of freezer of the present invention;

Fig. 2 is the front view of low-temperature display cabinet;

Fig. 3 is the profilograph of low-temperature display cabinet;

Fig. 4 is the exploded perspective view of low-temperature display cabinet;

Fig. 5 is the profile along Fig. 2 A-A line;

Fig. 6 is the profile along Fig. 2 B-B line;

Fig. 7 is the profile of Fig. 5 C;

Fig. 8 is the profile of Fig. 5 D;

Fig. 9 is the profile of Fig. 6 E;

Figure 10 is the profile of Fig. 6 F;

Figure 11 is the profile along Fig. 2 G-G line;

Figure 12 is the profile along Fig. 2 H-H line;

Figure 13 is the profile at I place among Fig. 3;

Figure 14 is the profile at J place among Fig. 3;

Figure 15 represents the low-temperature display cabinet profile that heat extraction is flowed.

The specific embodiment

Below, embodiments of the present invention are described with reference to the accompanying drawings.Fig. 1 is the low-temperature display cabinet stereogram of the embodiment of freezer of the present invention.Fig. 2 is the front view of low-temperature display cabinet.Fig. 3 is the profilograph of low-temperature display cabinet.Fig. 4 is the exploded perspective view of low-temperature display cabinet.Fig. 5 is the profile along Fig. 2 A-A line.Fig. 6 is the profile along Fig. 2 B-B line.Fig. 7 is the profile of Fig. 5 C.Fig. 8 is the profile of Fig. 5 D.Fig. 9 is the profile of Fig. 6 E.Figure 10 is the profile of Fig. 6 F.Figure 11 is the profile along Fig. 2 G-G line.Figure 12 is the profile along Fig. 2 H-H line.Figure 13 is the profile at I place among Fig. 3.Figure 14 is the profile at J place among Fig. 3.Figure 15 represents the low-temperature display cabinet profile that heat extraction is flowed.

The low-temperature display cabinet 1 of embodiment comprises: body of thermal insulating box 4, and it has opening 2 in front and has storage cabinet 3 in inside; Sliding door type front glass door 5 and back glass door 6, but its freely openable close the opening 2 of this body of thermal insulating box; Condensing unit 11, it is made of compressor 8, condenser 9 and the condenser fan 10 in the Machine Room 7 that is contained in body of thermal insulating box 4 belows.

As shown in Figure 3, the interior case 13 that disposes with interval by outer container 12, in the inboard of this outer container of body of thermal insulating box 4 and be filled in outer container 12 and interior case 13 between foamed thermal insulating 14 constituted.Therefore, outer container 12 for one flat plate bend to formed top board 12A behind the reverse U shape with about side plate 12B, 12B, and the backboard 12C that stops up the back side forms.Side plate 12B, 12B and the Machine Room 7 of backboard 12C formation than interior case 13 length of case shape shaping.In addition, the tops in the storeroom 3 are provided with cooler 15 and cooler with fan 16, and the compressor 8 of this cooler 15 by condensing unit 11 is compressed in the evaporation of the cold-producing medium of condenser 9 liquefaction and carries out cooling effect; This cooler makes of fan 16 and this cooler that heat exchange blows out cold air and by this cooler fan, make the circulating cold air in the storeroom 3.

Forwardly opening 2 on have the get on the right track frame 17 and the lower railway frame 18 of guiding front glass door 5 and back glass door 6 switches, after decide to be provided with at interval with institute mutually, outstanding respectively up with the below, formation common across about two tracks 19,20.Integrally formed on lower railway frame 18 the drainpipe 18A that the dew that accumulates on this lower railway frame drains in the Machine Room 7.

Front glass door 5 and back glass door 6 by around be respectively doorframe 5A, the 6A of shaped as frame, embed multi-layer transparent glass 5B, 6B in this doorframe, be located at the handle 5C on the front glass door 5 shaped as frame doorframe 5A and the handle 6C that is located on the glass door 6 shaped as frame doorframe 6A of back constitutes.

Condensing units 11 in the Machine Room 7 dispose in the left side by the place ahead and suck air, discharge the condenser fan 10 of air in the wings, and the air of being discharged by condenser fan 10 at the rear, right side is made the condenser 9 and the compressor forwardly 8 of initial heat exchange.Be provided with the fan case of separating in the Machine Room 7 21 in the suction side of condenser fan 10.

Be provided with the angle section 22,22 that Machine Room 7 reinforcement that form the U font are used below left side plate 12B, 12B inboard, 7 the place aheads are provided with the reinforcement of keeping lower railway frame 18 with angle section 23 in the Machine Room.The place ahead of the angle section 23 in 7 the place aheads is provided with header board 26 in the Machine Room, and it has the outer aspiration hand-hole 24 of the suction side in the fan case 21 of connection condenser fan 10 in Machine Room 7, and outside tap 25 is discharged in the heat extraction of condensing unit 11.Inlet hole 24 is located at the top of header board 26, and tap 25 is located at the below of header board 26.

Between the opening two sides of outer container 12 and interior case 13, be provided with the angle section 27 that the reverse U shape reinforcement is used.This angle section is to be combined and form with left and right sides angle section 29,30 by last angle section 28.In addition, last angle section 28, left and right sides angle section the 29, the 30th extrude shaping with aluminium, can make the plate thickening from outer container 12, and it is big to make heat pass quantitative change.Left and right sides angle section 29,30 by the connecting plate 31,31 of コ font, is fixed on the lower railway frame 18 with bolt 32,32 respectively.

Left and right sides angle section 29,30 is by contact chip 29A, the 29B, 30A, the 30B that contact with outer container 12 inner faces after the bending two ends, and the position central authorities leave outer container 12 inner faces, with this outer container between straight line sheet 29C, the 30C in formation space 33 constitute.In addition, last angle section 28 is connected and composed by outer container 12 and interior case 13.Be provided with the L font front decorative plank 34 that forms space 33 on top.Last angle section 28 is communicated with left and right sides angle section 29,30 formed spaces 33, be provided with the hole 35 that suction sides a plurality of and Machine Room 7 internal fan casees 21 are communicated with in the bottom of left comer material 29, be provided with a plurality of holes 36 that are communicated with discharge side in the Machine Room 7 in the bottom of right corner material 30.In addition, be provided with the sealing material 37 of seal cavity 33 in the lower end of left and right sides angle section 29,30.Only be communicated with in this space with Machine Room 7.

The tube connector 38 that connects condensing unit 11 and cooler 15 is located near bend 29D, the 30D of end of contact chip 29B, 30B of left and right sides angle section 29,30.From tube connector 38 that bend 29D, 30D is elongated.

Keep lower railway frame 18 and be located at the angle section 23 that Machine Room 7 front end reinforcement are used, the box-shaped that forms a section shape excision part forms space 39 in inside, and integral body is reverse U shape.The horizontal bight 23A that loads the angle section 23 of lower railway frame 18 separates space 39 and Machine Room 7 with the demarcation strip 40 that forms 7 tops, Machine Room.Bight, left and right sides 23B, the 23C of support level bight 23A is communicated with the suction side of the fan case 21 in the space 39 of the 23B of left comer portion and the Machine Room 7 respectively, and the space 39 of right corner portion 23C and Machine Room 7 interior discharge sides are communicated with.

Horizontal bight 23A at angle section 23 is provided with intercommunicating pore 41, and lower railway frame 18 is supplied with in the heat extraction in the space 39.

In the low-temperature display cabinet of like this structure, storeroom 3 in by the higher pressure refrigerant gas of compressor 8 compressions of condensing unit 11 after condenser 9 condensations, by the liquid refrigerant supply cooler 15 of the not shown expansion valve that goes out with liquefaction.Carry out heat exchange by the air in cooling effect and the storeroom 3, cooled cold air is circulated in storeroom 3 with cooler fan 16, can make the repertory cooling.At this moment, in storeroom, be cooled to low temperature, will by with the storehouse outside opening 2 sides of outer container 12 of temperature official post body of thermal insulating box 4 of temperature be easy to generate the outside of dewfall, heat with the heat extractions that flow into by in the formed space 33 between angle section 27 and the outer container 12, with the generation of inhibition dewfall.

Be that heat extraction is sucked in the condensing unit 21 by the inlet hole 24 of condenser fan 10 from front panel 26, the air that carries out heat exchange at condenser 9 and compressor 8, most of tap 25 via front panel 26 drains into the outside, a part is supplied with the space 33 of this right corner material via formed hole 36 below right corner material 30, be sucked in the fan case 21 from the attraction of the hole 35 usefulness condenser fans 10 that form at the downside of left comer material 29, space 33 circulations between Machine Room 7 and angle section 27, and the outside of the opening two sides of heating outer container 12.

When left and right sides angle section 29,30 carries out thermo-contact owing to contact chip 29A, the 29B, 30A, 30B and the outer container 12 that make both sides, make the plate thickening, in the heat extraction in the space 33 of flowing through, the heat conducting quantitative change that flows to outer container 12 is big, can obtain broad heated perimeter.

In addition, when left and right sides angle section 29,30 can not form foamed thermal insulating 14 fillings by be provided with tube connector 38 near bend 29D, 30D, the strength when being foamed by heat-insulating material made tube connector 37 distortion, or the position skew.

By the aperture area in set hole 35,36, the below that changes left and right sides angle section 29,30, the chilling temperature of corresponding storeroom 3 changes the heat extraction heat of circulation in space 33.

Outer container 12 makes foamed thermal insulating 14 can not invade space 33 by contact chip 29A, 29B, 30A, 30B with left and right sides angle section 29,30, can suppress the contraction when being hardened by foamed thermal insulating and the distortion that produces and the rectification can be out of shape the time.

Keep the reinforcement of lower railway frame 18 and pass through to form inner space 33 with angle section 23, heat extraction part do heat exchange in Machine Room 7 after is in right corner portion 23C is supplied to space 39, space 39 by horizontal bight 23A, get back to the suction side in the fan case 21 from the space 39 of the 23C of left comer portion, with carry out in the space 39 with the heat extraction circulation of Machine Room 7.Therefore, by the heat extraction in the space 39 of flowing through horizontal bight 23C, heating lower railway frame 18 makes it be difficult to dewfall., fall on the lower railway frame 18 and build up along transparent multilaminar glass 5B, 6B attached to the dew of slide 5,6.Therefore, accumulate in the dew on the lower railway frame 18, enter in the Machine Room 7 by drainpipe 18A.Not draining of drainpipe 18A remains in dew on the lower railway frame 18 and supplies with heat extractions from the intercommunicating pore 41 of horizontal bight 23A and do direct heating and evaporate.

The effect of invention

The freezer of above-described first aspect present invention comprises: body of thermal insulating box, its outer container with Filling heat insulator between the interior case, and have the storeroom that front openings is cooled off by cooler in inside; Slide, it is when closing the opening of this body of thermal insulating box, by being located at upper and lower track guiding; The Machine Room, It holds and is positioned at the described cooler of described storeroom below cooling; Have compressor, condenser and The condensing unit of condenser fan. This freezer is provided with fan case, and it separates this Machine Room inner condenser The suction side of fan and discharge side make to suck forwardly and discharge; Also be provided with the angle section that reinforcement is used, with dimension Hold the lower railway that is located at this front, Machine Room. The one side in the space of this angle section is connected condenser fan Discharge side, another side is connected the suction side of condenser fan, the condensation in the condenser fan cooling The space that is formed by the angle section that keeps the lower railway reinforcement to use is supplied with in a part of heat extraction of device and compressor, with Make not dewfall of described lower railway.

The freezer of second aspect present invention is wherein being separated the top, Machine Room at the angle section that this reinforcement is used Demarcation strip and lower railway Special composition, supply with the heat extraction from the Machine Room in this space, to prevent lower The track dewfall.

The freezer of third aspect present invention wherein in the angle section that this reinforcement is used, is provided with and makes this condensation The diffusing intercommunicating pore of being emitted to lower railway by the space of this angle section of the heat extraction of unit heats described lower railway also The dew that falls from the glass surface of slide is evaporated at lower railway.

Claims (2)

1. freezer comprises: body of thermal insulating box, it is filling heat insulator between outer container and interior case, and have front openings in inside the storeroom by the cooler cooling; Slide, it is when closing the opening of this body of thermal insulating box, by being located at upper and lower track guiding; The Machine Room, it holds and is positioned at the described cooler of described storeroom below cooling, and condensing unit with compressor, condenser and condenser fan, it is characterized in that, this freezer is provided with: fan case, suction side and discharge side that it separates this Machine Room inner condenser fan make to suck forwardly and discharge; The reinforcement angle section, it is kept the lower railway that is located at this front, Machine Room and constitutes by the demarcation strip of separating the top, Machine Room and the space that lower railway constitutes, the one side in the space of this angle section is connected the discharge side of condenser fan, and another side is connected the suction side of condenser fan.

2, freezer as claimed in claim 1 is characterized in that, in the angle section that this reinforcement is used, is provided with the intercommunicating pore of being emitted the heat extraction of condensing unit by the space of this angle section to lower railway.

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