CN103791644A

CN103791644A - Refrigerating unit

Info

Publication number: CN103791644A
Application number: CN201210424630.2A
Authority: CN
Inventors: 吴福民; 潘自杰; 杨栋; 窦晓宁
Original assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Group Corp
Current assignee: Qingdao Haier Special Refrigerator Co Ltd; Haier Group Corp
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2014-05-14
Anticipated expiration: 2032-10-30
Also published as: CN103791644B

Abstract

The invention relates to a refrigerating unit. The refrigerating unit is an independent unit and comprises an evaporator system, a condenser system, a compressor, a throttle valve and a casing accommodating all the parts. The evaporator system and the condenser system are arranged separately inside the casing through a thermal insulation board; the evaporator system comprises an evaporator, the condenser system comprises a condenser, and the width of the evaporator and the condenser are roughly equal to that between the inner surfaces of the side walls of the casing; the casing on one side of the condenser system is provided with a condenser air inlet and a condenser air outlet; the evaporator system and the condenser system are respectively provided with a fan. The refrigerating unit can serve as the independent unit to be assembled with various types of boxes, is convenient to maintain and meanwhile can achieve the functions of providing refrigerating circulation and preventing moisture condensation.

Description

Refrigeration unit

Technical field

The present invention relates to a kind of refrigeration unit, refer to especially a kind of refrigeration unit for stand-alone assembly.

Background technology

Existing refrigeration unit is arranged in refrigeration plant, and structure is disperseed and is unfavorable for carrying out attended operation, in addition, the narrow condenser of general employing in this refrigeration unit, efficiency is lower.

Further, glass door refrigeration plant in use glass door easily produces condensation, affects display effect, existing glass door refrigeration plant, and adopted is a body coating film on glass more, the mode such as the glass number of plies or door body applying argon gas that increases prevents that condensation from producing.In this case, door body cost is higher, and can make a body overweight because increasing compound glass, and makes the reach of refrigeration plant center of gravity, places unstable.

In addition, although the refrigeration unit also having has except condensation and the function of kind of refrigeration cycle is provided simultaneously, itself and refrigeration plant are integrated setting, and handling and maintenance are all pretty troublesome.

Summary of the invention

In view of this, the object of the invention is to, a kind of refrigeration unit for stand-alone assembly is provided, this unit can be assembled into one with the casing of the mode of stand-alone assembly and various ways, and easy to maintenance.

For achieving the above object, refrigeration unit provided by the invention is assembly independently with respect to the casing of refrigeration plant, its entirety can be assembled into one with described casing, comprises evaporator system and condenser system, and described evaporator system and described condenser system are separated and are arranged in housing.

Because this refrigeration unit is assembly independently, therefore can be assembled into one with the casing of the mode of stand-alone assembly and various ways, and easy to maintenance.

The present invention is preferred, and described evaporator system comprises evaporimeter, and described condenser system comprises condenser, and the width of described evaporimeter and described condenser is substantially equal to the width between the side wall inner surfaces of housing.

In said structure, make the width of condenser and evaporimeter reach maximization, can raising efficiency.

The present invention is preferred, is respectively arranged with evaporimeter air outlet and evaporimeter return air inlet on the housing that is positioned at described evaporator system one side.

In the cyclic process of refrigeration wind, cold wind is blown out with air outlet by evaporimeter, is got back in evaporator system, thereby completed a kind of refrigeration cycle after the box house of flowing through by evaporimeter with return air inlet.

The present invention is preferred, is respectively arranged with condenser air inlet and condenser air outlet on the housing that is positioned at described condenser system one side, described for condenser air outlet (46) arrange upward.

This condenser arranges and refers to upward with air outlet, condenser with air outlet can make wind to the mode on the glass door surface of refrigeration plant upward or oblique upper setting, extraneous air enters condenser by condenser with air inlet, after refrigeration system is processed, enter into condenser system and blowed to the glass door surface of refrigeration plant by condenser air outlet, thereby reach the effect except condensation.

The present invention is preferred, and described evaporator system comprises evaporimeter and evaporator fan, and described evaporator fan is arranged on the rear portion of described evaporimeter.

The present invention is preferred, and described condenser system comprises condenser and condenser fan, and described condenser blower fan is arranged on the rear portion of described condenser.

The present invention is preferred, in described housing, is provided with thermal insulative board, and described evaporator system and described condenser system are separated by described thermal insulative board.

Cold air generation gas exchange in hot gas and evaporator system that the setting of thermal insulative board can prevent from producing in condenser system, and impact effect.

The present invention is preferred, and described evaporator system and described condenser system arrange before and after in described housing, and described evaporator system is near described case top, and described condenser system is near described housing bottom.

The present invention is preferred, and described thermal insulative board surrounds described evaporator system, and leaves air channel between the outer surface of described thermal insulative board and the inner bottom surface of described housing, is provided with the air outlet corresponding with described air channel at the rear portion of described housing.

From said structure, thermal insulative board, except having the function of thermal insulation, also has the function that forms needed air channel.Owing to leaving air channel between the outer surface at thermal insulative board and the inner bottom surface of housing, the hot gas of the part producing in condenser system can pass through this air channel, is discharged by the rear portion air outlet of housing.

The present invention is preferred, and described refrigeration unit also comprises the compressor and the choke valve that are connected with described evaporator system and described condenser system.

Refrigeration unit of the present invention, owing to being set to independently assembly, therefore can be assembled into one with the casing of the mode of stand-alone assembly and various ways, and easy to maintenance, by evaporator system and condenser system are separated, arrange can be in providing kind of refrigeration cycle, also can provide the hot blast that blows to glass door body, to prevent the generation of condensation.

Accompanying drawing explanation

Fig. 1 is the internal structure schematic side view that represents refrigeration unit;

Fig. 2 represents that refrigeration unit engages the operation principle schematic diagram while use with casing;

Fig. 3 is the structural representation that represents housing.

[description of symbols in figure]

1 casing; 2 refrigeration unit; 20 evaporator systems; 21 evaporimeters; 22 evaporator fans; 30 condenser systems; 31 condensers; 32 condenser fans; 40 housings; 41 evaporimeter air outlets; 42 evaporimeter return air inlets; 43 condenser air inlets; 44 outstanding housing section; 45 chamfered section; 46 condenser air outlets; 47 air outlets; 48 thermal insulative boards; 50 compressors.

The specific embodiment

With reference to the accompanying drawings the specific embodiment of the present invention is described.

Refrigeration unit 2 in present embodiment is assembly independently, comprises housing 40, evaporator system 20, condenser system 30, compressor 50, choke valve (not shown) and ECU (not shown).Condenser 31, evaporimeter 21, compressor 50 and choke valve are connected and are formed cooling cycle system by pipeline.

Refrigeration unit 2 is mounted on the downside of refrigeration plant, can realize by modes such as clampings the connection of refrigeration unit 2 and refrigeration plant.

In description of the present embodiment, as shown in Figure 1, regulation is take the left side of Fig. 1 as front, after right side is, be left and right directions perpendicular to the direction of drawing, the left and right directions that stipulates in addition this drawing is length direction, and the direction perpendicular to this drawing corresponding with this left and right directions is width.

Housing 40 is box-like, is formed by connecting up and down by upper shell and lower house.In the anterior end surface of the close upper surface of housing 40, be formed with respect to other parts of anterior end surface side-prominent outstanding housing section 44 forward, this outstanding housing section 44 is certain height setting on above-below direction, and its inside is communicated with housing 40 is interior, be formed with chamfered section 45 in the anterior end surface of this outstanding housing section 44 and the junction of upper end, the inclination at an angle of this chamfered section 45, on the outer surface of this chamfered section 45, be provided with multiple openings, this opening uses with air outlet 46 as condenser, by being set, the angle of inclination of this chamfered section 45 can make wind by this condenser air outlet 46 to the glass door of refrigeration plant that is positioned at these refrigeration unit 2 upsides.

On the position that is positioned at the front end face of housing of the downside of giving prominence to housing section 44 and the bottom of the housing of close this front end face, be provided with air inlet 43 for condenser, this condenser is multiple with air inlet 43, is provided with air outlet 45 in addition on the position of the close bottom surface of the rear end face of housing 40.

On the position of the close rear portion end face of the upper surface of housing 40, be formed with the opening that is slightly less than housing 40 width along left and right directions, this opening uses with air outlet 41 as evaporimeter, in addition with the opening that is provided with width roughly the same with it on the adjacent position of air outlet 41 for this evaporimeter, this opening uses with return air inlet 42 as evaporimeter.

Evaporator system 20 is arranged on the rear portion of housing 40 and the position near upper surface, evaporator system 20 comprises evaporimeter 21 and is arranged on the evaporator fan 22 of these evaporimeter 21 rear sides, this blower fan is air draught type blower fan, and the rear positions of this evaporator fan 22 is corresponding with the evaporimeter air outlet 41 that is located thereon portion.

Condenser system 30 is arranged on the anterior of housing 40 and the position near bottom surface, and condenser system 30 comprises condenser 31 and the condenser fan 32 that is arranged on these condenser 31 rear sides, and this blower fan is air draught type blower fan.

Between this evaporator system 20 and condenser system 30, be provided with dividing plate, use as thermal insulative board 48, this thermal insulative board 48 is arranged on housing 40 in the mode of parcel evaporator system 20, and between the inner bottom surface of the outer surface of thermal insulative board 48 and housing 40, be formed with air channel, this air channel is corresponding with air outlet 45.

Owing to there is the gas of discharging via this air channel and by air outlet 45, after therefore refrigeration unit 2 is installed with casing 1, at its rear portion of needs by wall in the situation that, be necessary to reserve the gap of about 50mm of itself and between the walls, to meet air draft demand.

Respectively the cyclic process of condenser system 30 and evaporator system 20 is described below.

The concrete cyclic process of the gas of condenser system 30 is: outside air is through being positioned at A and the A ' path shown in the front portion of housing 40 and the condenser of bottom air inlet 43(Fig. 2), enter in the space of condenser system 30, then enter condenser 31, after above-mentioned cooling cycle system is processed, part is discharged and under the effect of condenser fan 32 by condenser 31, major part wherein is upwards blown out by the condenser air outlet 46 of chamfered section 45 that is positioned at housing 40 and blows to the glass door body surface (the C path shown in Fig. 2) of casing 1, because this gas is hot gas, therefore can remove the condensation that glass door body surface forms, a small amount of gas is discharged (the B path shown in Fig. 2) via above-mentioned air channel by the air outlet 45 at housing 40 rear portions.

The concrete cyclic process of the gas of evaporator system 20 is: under the effect of evaporator fan 22, by after above-mentioned cooling cycle system is processed and the cold air of being discharged by evaporimeter 21, be blown into box house (D path Fig. 2 shown in) with air outlet 41 along the sidewall of casing 1 one sides via evaporimeter, and through stopping for example, after (, part is subject to stopping of board putting things in casing etc.) (the E path shown in Fig. 2) returned by the sidewall of casing 1 opposite side in (the F path shown in Fig. 2) evaporator system 20.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

For example, in the present embodiment, be provided with air outlet 47 at the rear portion of housing 40, but be not limited to this, also can cancel this air outlet, change gas into and all blow to glass door body by this condenser air outlet 46, this structure can make refrigeration plant lean on wall setting, contributes to improve usable floor area.

Claims

1. a refrigeration unit, it is characterized in that, described refrigeration unit (2) is assembly independently with respect to the casing of refrigeration plant, its entirety can be assembled into one with described casing, comprise evaporator system (20) and condenser system (30), described evaporator system (20) and described condenser system (30) are separated and are arranged in housing (40).

2. refrigeration unit according to claim 1, it is characterized in that, described evaporator system (20) comprises evaporimeter (21), described condenser system (30) comprises condenser (31), and the width of described evaporimeter (21) and described condenser (31) is substantially equal to the width between the side wall inner surfaces of housing (40).

3. refrigeration unit according to claim 1, is characterized in that, is respectively arranged with air outlet for evaporimeter (41) and return air inlet (42) for evaporimeter on the housing (40) that is positioned at described evaporator system (20) one sides.

4. refrigeration unit according to claim 1, it is characterized in that, on the housing (40) that is positioned at described condenser system (30) one sides, be respectively arranged with air inlet for condenser (43) and air outlet (46) for condenser, described for condenser air outlet (46) arrange upward.

5. refrigeration unit according to claim 1, is characterized in that, described evaporator system (20) comprises evaporimeter (21) and evaporator fan (22), and described evaporator fan (22) is arranged on the rear portion of described evaporimeter (21).

6. refrigeration unit according to claim 1, is characterized in that, described condenser system (30) comprises condenser (31) and condenser fan (32), and described condenser blower fan (32) is arranged on the rear portion of described condenser (31).

7. refrigeration unit according to claim 1, is characterized in that, is provided with thermal insulative board (48) in described housing (40), and described evaporator system (20) and described condenser system (30) are separated by described thermal insulative board (48).

8. refrigeration unit according to claim 1, it is characterized in that, described evaporator system (20) and described condenser system (30) front and back in described housing (40) arrange, and described evaporator system (20) is near described housing (40) top, and described condenser system (30) is near described housing (40) bottom.

9. refrigeration unit according to claim 8, it is characterized in that, described thermal insulative board (48) surrounds described evaporator system (20), and between the inner bottom surface of the outer surface of described thermal insulative board (48) and described housing (40), leave air channel, be provided with the air outlet corresponding with described air channel (47) at the rear portion of described housing (40).

10. refrigeration unit according to claim 1, is characterized in that, described refrigeration unit (2) also comprises the compressor and the choke valve that are connected with described evaporator system (20) and described condenser system (30).