CN2556578Y - Cooling devicefor commercial refrigerator - Google Patents
Cooling devicefor commercial refrigerator Download PDFInfo
- Publication number
- CN2556578Y CN2556578Y CN 02219686 CN02219686U CN2556578Y CN 2556578 Y CN2556578 Y CN 2556578Y CN 02219686 CN02219686 CN 02219686 CN 02219686 U CN02219686 U CN 02219686U CN 2556578 Y CN2556578 Y CN 2556578Y
- Authority
- CN
- China
- Prior art keywords
- evaporimeter
- display cases
- cooling device
- commercial display
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 238000005057 refrigeration Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims description 15
- 238000001704 evaporation Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 241000531116 Blitum bonus-henricus Species 0.000 description 1
- 235000008645 Chenopodium bonus henricus Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Removal Of Water From Condensation And Defrosting (AREA)
Abstract
The utility model relates to refrigeration equipment, in particular to a commercial refrigerator cooling device, comprising a guide sheet, a fan and a refrigeration device which is provided with a first evaporator. The guide sheet is arranged at the side wall of a storage rack, and the other side of the rack corresponding to the guide sheet is provided with an air inlet of the refrigerator; a passage, where the fan and the first evaporator are arranged, is arranged between the air inlet and the guide sheet. The key points of the structure are that a second evaporator is positioned in the passage between the air inlet of the refrigerator and the first evaporator. The commercial refrigerator of the utility model effectively reduces frosts, has good refrigeration effect and less energy consumption, and prevents ceaseless temperature changes of goods when storing goods, thereby ensuring goods quality of goods.
Description
Technical field
The utility model relates to refrigeration plant, particularly a kind of commercial display cases cooling device.
Background technology
Evaporimeter is contained in the bottom of refrigerator in the commercial display cases refrigerating plant, by ventilation blower air is flowed along the vertical channel between shelf and the rear wall, the built-in type prerotation vane can make air evenly flow through on the whole length of refrigerator, and flows through stockpile when surface form cold air sealing curtain.But have a problem in this course, the aerial temperature and humidity that promptly enters the circulation air curtain from room air is all higher, when it passes through evaporimeter, and just frosting on evaporator surface easily.When frosting was too thick, it just influenced the refrigeration of evaporimeter.Therefore, commercial display cases all adopts the electric heating automatic defrosting.And refrigerator all needed defrost 3-4 time in per 24 hours when using in hot and humid area, each about 30 minutes, needed just can return to about 30 minutes the low temperature of setting after the defrost again.The both power consumptions of this process, more likely Yin Wendu raises and influences the quality of commodity in the cabinet again.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art, can subtract frost, energy-conservation commercial display cases cooling device and provide a kind of.
The purpose of this utility model can realize through following scheme.
The commercial display cases cooling device, comprise prerotation vane, ventilation blower and refrigerating plant with first evaporimeter, prerotation vane places the sidewall of shelf, has the refrigerator air flow inlet with the pairing shelf opposite side of prerotation vane, has a kind of passage between this refrigerator air flow inlet and the prerotation vane, the ventilation blower and first evaporimeter are installed in this passage, and its structural feature is, a kind of second evaporimeter is installed in the passage between the refrigerator air flow inlet and first evaporimeter.
When the evaporating temperature of evaporimeter is set in the freezing point of water when above, the frosting phenomenon can not appear, and commercial display cases only adopts an evaporimeter in the prior art, because the needs that cargo refrigeration is guaranteed the quality, all goods to be cooled to the ultralow temperature state, simultaneously higher because of the Temperature and Relative Humidity of Indoor Air that enters refrigeration system again, when containing humid gas and passing through a unique evaporimeter, be subjected to forced refrigeration at the utmost point in short time, wherein contained humidity is converted into solid-state and in the evaporator surface frosting from gaseous state fast.
The utility model adopts order to contain the form of humid gas classification cooling, thereby creatively in the structure of existing refrigerator, increased by one second evaporimeter, purpose is to contain humid gas after entering second evaporimeter for the present, moisture is converted into liquid state from gaseous state earlier, collect and discharge aqueous water then, and dried gas becomes cold air again after ventilation blower is blown into first evaporimeter and cools off, then make the channel flow of cold air, and when flowing through the stockpile surface of commodity, form cold air sealing curtain along whole shelf by the air-supply function of ventilation blower and the axial and radial motion of prerotation vane.
Like this, discharge, so neither can frosting be arranged, and also will reduce greatly, even do not have in the phenomenon of the surperficial frosting of first evaporimeter on the surface of second evaporimeter because of most moisture all has been condensed into water.
If refrigeration intensity has needs, then can on the basis of two evaporimeters, increase the 3rd, the evaporimeter more than the 4th is to satisfy the needs of high strength refrigeration.
The utility model is also that further ventilation blower is installed between second evaporimeter and first evaporimeter.
Ventilation blower has played force ventilated effect herein, so that accelerate the speed of refrigeration, reduces cooling time.
The evaporating temperature of second evaporimeter is 0.0 ℃～5.0 ℃.
The evaporating temperature that is about to second evaporimeter is set in below the dew point of water, more than the freezing point, to guarantee that the moisture that contains in the humid air is in liquid state, and 0.0 ℃ of temperature when being the frozen water admixture, consider the energy loss in the diabatic process, when the evaporating temperature of second evaporimeter is set in 0.0 ℃, by the water temperature in the moisture-containing airflow after lower the temperature can than 0.0 ℃ greatly, thereby can not have the frosting phenomenon; And maximum temperature is set in 5.0 ℃, and this is because show after deliberation, and is too high if temperature is set, containing the ratio that moisture in the humid air is condensed into water will significantly reduce.
The purpose of this utility model also can realize as follows.
The evaporating temperature of second evaporimeter is 4.0 ℃～4.8 ℃.
The evaporating temperature of second evaporimeter is 4.4 ℃.
Show according to research and data, contain humid air when 25 ℃ are cooled to 4.4 ℃, water capacity wherein will have about 75% to be condensed and to separate out, and drain through drainpipe, and the pre-cold airflow of doing enters first evaporimeter again and carries out the degree of depth and be cooled to cold air.So the temperature that the evaporating temperature of second evaporimeter is set in about 4.4 ℃ is the most suitable.
The utility model is that also first evaporimeter is connected with same refrigeration compressor respectively with second evaporimeter.
Be connected with same compressor, then cold-producing medium is divided into two loops by coolant distributor after by compressor, condenser again, supply with first evaporimeter and second evaporimeter respectively, so increase the energy consumption that second evaporimeter does not increase commercial display cases, but can effectively reduce and eliminate the energy consumption of electric defrosting, thereby avoided the variations in temperature of commercial display cases, to reach the quality that more can guarantee store goods in the cabinet.
Certainly, first evaporimeter also can be connected with different refrigeration compressors with second evaporimeter, satisfying the needs of large-scale commercial display cases refrigerating capacity, thereby reaches best refrigeration.
First evaporimeter and second evaporimeter are connected with same refrigeration compressor respectively with after separately expansion valve is connected again.
Because the evaporating temperature difference of two evaporimeters is then more convenient with regulating design temperature by different expansion valves respectively, flexibly.
A kind of water inlet end of drainpipe and channel connection.
Drainpipe mainly is that moisture-containing airflow is discharged from passage through the moisture that second evaporimeter cooling back is produced.
The utility model has following advantage compared to prior art: the commercial display cases that adopts this device can effectively reduce frosting when the refrigeration commodity, good refrigeration effect, and power consumption is few, can prevent the continuous variation of commodity temperature, thereby guarantee the quality of commodity.
Description of drawings
Accompanying drawing is the structural representation of the utility model commercial display cases cooling device.
Label declaration: 1 prerotation vane, 2 ventilation blowers, 3 first evaporimeters, 4 drainpipes, 5 shelf
51 refrigerator air flow inlets, 52 passages, 6 second evaporimeters
The specific embodiment
Embodiment 1:
As shown in drawings, the commercial display cases cooling device, comprise prerotation vane 1, ventilation blower 2 and refrigerating plant with first evaporimeter 3, prerotation vane 1 places the sidewall of shelf 5, has refrigerator air flow inlet 51 with prerotation vane 1 pairing shelf 5 opposite sides, has passage 52 between this refrigerator air flow inlet 51 and the prerotation vane 1, first evaporimeter 3 is installed in this passage 52, second evaporimeter 6 is installed in the passage 52 between the refrigerator air flow inlet 51 and first evaporimeter 3, and ventilation blower 2 is installed between second evaporimeter 6 and first evaporimeter 3.
During use, connect power supply, precooling a period of time, after containing humid gas and entering second evaporimeter 6, moisture earlier is converted into liquid state from gaseous state, and aqueous water is drained from drainpipe 4, and dried gas is blown into first evaporimeter 3 through ventilation blower 2 again and cools off back one-tenth cold air, then make the channel flow of cold air, and when flowing through the stockpile surface of commodity, form cold air sealing curtain along whole shelf 5 by the air-supply function of ventilation blower 2 and the axial and radial motion of prerotation vane 1.
Present embodiment is not stated partly same as the prior art.
Most preferred embodiment:
The evaporating temperature of second evaporimeter 6 is located at 4.4 ℃.
Present embodiment is not stated partly identical with embodiment 1.
Claims (8)
1, the commercial display cases cooling device, comprise prerotation vane (1), ventilation blower (2), and refrigerating plant with first evaporimeter (3), prerotation vane (1) places the sidewall of shelf (5), has refrigerator air flow inlet (51) with the pairing shelf of prerotation vane (1) (5) opposite side, has a kind of passage between this refrigerator air flow inlet (51) and the prerotation vane (1), ventilation blower (2) and first evaporimeter (3) are installed in this passage (52), it is characterized in that a kind of second evaporimeter (6) is installed in the passage (52) between refrigerator air flow inlet (51) and first evaporimeter (3).
2, commercial display cases cooling device according to claim 1 is characterized in that, ventilation blower (2) is installed between second evaporimeter (6) and first evaporimeter (3).
3, commercial display cases cooling device according to claim 1 is characterized in that, the evaporating temperature of second evaporimeter (6) is 0.0 ℃～5.0 ℃.
According to claim 1 or 3 described commercial display cases cooling devices, it is characterized in that 4, the evaporating temperature of second evaporimeter (6) is 4.0 ℃～4.8 ℃.
5, commercial display cases cooling device according to claim 4 is characterized in that, the evaporating temperature of second evaporimeter (6) is 4.4 ℃.
6, commercial display cases cooling device according to claim 1 is characterized in that, first evaporimeter (3) is connected with same compressor respectively with second evaporimeter (6).
7, commercial display cases cooling device according to claim 1 is characterized in that, first evaporimeter (3) and second evaporimeter (6) are connected with same refrigeration compressor respectively with after separately expansion valve is connected again.
8, commercial display cases cooling device according to claim 1 is characterized in that, the water inlet end of a kind of drainpipe (4) is communicated with passage (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219686 CN2556578Y (en) | 2002-03-28 | 2002-03-28 | Cooling devicefor commercial refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02219686 CN2556578Y (en) | 2002-03-28 | 2002-03-28 | Cooling devicefor commercial refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2556578Y true CN2556578Y (en) | 2003-06-18 |
Family
ID=33698125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02219686 Expired - Fee Related CN2556578Y (en) | 2002-03-28 | 2002-03-28 | Cooling devicefor commercial refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2556578Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547325C (en) * | 2005-01-14 | 2009-10-07 | 伊莱克斯家用产品公司 | Modular refrigeration unit and method of assembling a modular refrigeration unit to a refrigeration equipment enclosure |
-
2002
- 2002-03-28 CN CN 02219686 patent/CN2556578Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547325C (en) * | 2005-01-14 | 2009-10-07 | 伊莱克斯家用产品公司 | Modular refrigeration unit and method of assembling a modular refrigeration unit to a refrigeration equipment enclosure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |