CN1715813A - Refrigeration storage warehouse - Google Patents
Refrigeration storage warehouse Download PDFInfo
- Publication number
- CN1715813A CN1715813A CN 200510063934 CN200510063934A CN1715813A CN 1715813 A CN1715813 A CN 1715813A CN 200510063934 CN200510063934 CN 200510063934 CN 200510063934 A CN200510063934 A CN 200510063934A CN 1715813 A CN1715813 A CN 1715813A
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- evaporimeter
- expansion valve
- outlet pipe
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Abstract
To provide a cooling storage shed for effectively avoiding the extension of a defrosting time with frost formed on an outlet pipe of an expansion valve. In the cooling storage shed, refrigerant depressurized by an expansion valve 26 flows into an evaporator 16 for evaporation, and cold air heat-exchanged with the evaporator 16 is circulated into a storage chamber 9 via a duct 8 with a blower 7. The supply of the refrigerant to the evaporator 16 is stopped and the blower 7 is operated when defrosting the evaporator 16. Air discharged from the blower 7 hits the outlet pipe 41 of the expansion valve 26.
Description
Technical field
It is cooling storage shed to the present invention relates to a kind of for example low-temperature showcase and freezer etc.
Background technology
In the past, in being assemblied in the low-temperature showcase of for example convenience store and supermarket, in thermal wall, form the storeroom of display commodity and form pipeline in its outside, evaporimeter (refrigerator) and air blast are set in pipeline simultaneously, utilize air blast to make the circulating cold air (for example, with reference to patent documentation 1) in storeroom of having carried out heat exchange with this evaporimeter.
At this moment, evaporimeter makes by the flow of refrigerant of the expansion valve decompression of refrigerating circuit and evaporates, because above-mentioned cooling operation frosting is grown up on evaporimeter, so for example regularly stop to evaporimeter the supply system cryogen, only make the air blast running and, can melt removal attached to the frost on this evaporimeter to the evaporimeter air-supply.
Patent documentation 1: the spy opens flat 9-269179 communique
At this, can also can work as evaporimeter and rise to set point of temperature and finish defrosting by finish the defrosting of above-mentioned evaporimeter according to the time, but both of these case the frosting accumulation then all can occur and cause frost to block if can not as far as possible fully remove frosting.
And the position that temperature is minimum in the above-mentioned refrigerating circuit is the outlet pipe arrangement of the expansion valve of cold-producing medium start vaporizer.Therefore, the easiest growth frosting on the outlet pipe arrangement of this expansion valve, yet the frosting of the outlet pipe arrangement of above-mentioned expansion valve was not considered in the past, produce residual frost at this outlet pipe arrangement during defrosting, the time that the result defrosts to be needed significantly increases, and has the problem of the cooling capacity of storeroom being brought adverse effect.
Summary of the invention
The present invention develops in view of above-mentioned prior art problem, and its purpose is to provide a kind of and can avoids effectively owing to the frosting to the outlet pipe arrangement of expansion valve makes cooling storage shed that defrosting time prolongs.
First aspect present invention, provide a kind of cooling storage shed, it makes by in the cold-producing medium inflow evaporator of expansion valve decompression and evaporate, utilize air blast and Jie to make with above-mentioned evaporimeter and carried out the circulating cold air of heat exchange in storeroom by pipeline, stop simultaneously to above-mentioned evaporimeter the supply system cryogen, the above-mentioned air blast that turns round carries out the defrosting of above-mentioned evaporimeter.Wherein, the air that blows out from above-mentioned air blast blows on the outlet pipe arrangement of above-mentioned expansion valve.
Second aspect present invention in first aspect present invention cooling storage shed, forms through hole at the wall that constitutes from the discharge side of above-mentioned air blast to the pipeline of above-mentioned evaporimeter, and this through hole is corresponding with the outlet pipe arrangement of above-mentioned expansion valve.
Third aspect present invention in first aspect present invention cooling storage shed, disposes the outlet pipe arrangement of above-mentioned expansion valve in from the discharge side of above-mentioned air blast to the pipeline of above-mentioned evaporimeter.
Fourth aspect present invention in first aspect present invention cooling storage shed, disposes the outlet pipe arrangement of above-mentioned expansion valve in the air outflow side of above-mentioned evaporimeter.
Fifth aspect present invention, provide a kind of cooling storage shed, it makes by the cold-producing medium inflow evaporator of expansion valve decompression and evaporates, and utilizes air blast and be situated between to make the circulating cold air of having carried out heat exchange with above-mentioned evaporimeter in storeroom by pipeline, carries out the defrosting of above-mentioned evaporimeter simultaneously.Wherein, the position configuration that flows down in the defrost water from above-mentioned evaporimeter has the outlet pipe arrangement of above-mentioned expansion valve.
Sixth aspect present invention, in fifth aspect present invention cooling storage shed, comprise the discharge outlet and the opening and closing device that opens and closes this discharge outlet that are used to eject from the defrost water of above-mentioned evaporimeter, in above-mentioned evaporator defrost, close above-mentioned discharge outlet by above-mentioned opening and closing device.
Seventh aspect present invention provides a kind of cooling storage shed, and it makes by the cold-producing medium inflow evaporator of expansion valve decompression and evaporates, and stops simultaneously to this evaporimeter the supply system cryogen, carries out the defrosting of above-mentioned evaporimeter.Wherein, a plurality of above-mentioned expansion valves are set, behind above-mentioned evaporator defrost, switch and make cold-producing medium flow into above-mentioned any one expansion valve.
According to first aspect present invention, the refrigeration thesaurus flows the cold-producing medium that is reduced pressure by expansion valve and evaporates in evaporimeter, utilize air blast and Jie to make with above-mentioned evaporimeter and carried out the circulating cold air of heat exchange in storeroom by pipeline, stop simultaneously to above-mentioned evaporimeter the supply system cryogen, the above-mentioned air blast that turns round carries out the defrosting of above-mentioned evaporimeter.Because in such refrigeration thesaurus, the air that blows out from above-mentioned air blast blows on the outlet pipe arrangement of above-mentioned expansion valve, thus when defrosting from the wind of air blast to the outlet pipe arrangement of expansion valve and can remove this outlet pipe arrangement frosting rapidly.Thus, can be rapidly the outlet pipe arrangement of the expansion valve of easy frosting be defrosted, significantly shorten the required time of evaporator defrost, the deterioration of the refrigerating capacity in the storeroom that defrosting is caused is suppressed to Min..
At this moment, as second aspect present invention, if form through hole at the wall that constitutes from the discharge side of above-mentioned air blast to the pipeline of above-mentioned evaporimeter, and this through hole is corresponding with the outlet pipe arrangement of above-mentioned expansion valve, then can the wind from air blast be blown on the outlet pipe arrangement of expansion valve effectively with simple structure, when promoting defrosting to the thawing of frosting.
In addition, according to third aspect present invention, if dispose the outlet pipe arrangement of above-mentioned expansion valve in from the discharge side of above-mentioned air blast to the pipeline of above-mentioned evaporimeter, then the outlet pipe arrangement of expansion valve can be exposed in the wind from air blast, and can effectively make frost melts when defrosting.
In addition, according to fourth aspect present invention, if at the outlet pipe arrangement of the air outflow side of evaporimeter configuration expansion valve, then in the refrigerating operaton through evaporimeter and dry cold air blows on the outlet pipe arrangement of expansion valve, can suppress to adhere to frost to this outlet pipe arrangement.And, because the outlet pipe arrangement of expansion valve is exposed in the defrosting in the wind from air blast, so can effectively defrost.
Fifth aspect present invention, cooling storage shed making by the cold-producing medium inflow evaporator of expansion valve decompression evaporated, and utilizes air blast and be situated between to make the circulating cold air of having carried out heat exchange with above-mentioned evaporimeter in storeroom by pipeline, carries out the defrosting of above-mentioned evaporimeter simultaneously.Because so cooling storage shed in, the position configuration that flows down in the defrost water from above-mentioned evaporimeter has the outlet pipe arrangement of above-mentioned expansion valve, so can make the defrost water of flash-pot to touch on the outlet pipe arrangement of expansion valve in defrosting.Thus, can melt the frost of the expansion valve outlet pipe arrangement of easy frosting rapidly, significantly shorten the evaporator defrost required time, the deterioration of refrigerating capacity is suppressed to Min. in the storeroom that defrosting is caused.
At this moment, according to sixth aspect present invention, open and close the opening and closing device be used to eject from the discharge outlet of the defrost water of above-mentioned evaporimeter if be provided with, in evaporator defrost, close above-mentioned discharge outlet by above-mentioned opening and closing device, then in defrosting, accumulate defrost water and soak the outlet pipe arrangement of expansion valve, can further promote the thawing of frosting.
Seventh aspect present invention, because evaporate making the cold-producing medium inflow evaporator that reduces pressure by expansion valve, stop this evaporimeter the supply system cryogen mutually simultaneously, carry out in defrosting cooling storage shed of above-mentioned evaporimeter, a plurality of expansion valves are set, behind above-mentioned evaporator defrost, switch and make cold-producing medium flow into above-mentioned any one expansion valve, thus make frosting be distributed to the outlet pipe arrangement of a plurality of expansion valves, and frosting can not melted between flow periods at cold-producing medium.Thus, can effectively remove the frosting of the expansion valve outlet pipe arrangement of easy frosting, significantly shorten the evaporator defrost required time, the deterioration of refrigerating capacity is suppressed to Min. in the storeroom that defrosting is caused.
Description of drawings
Fig. 1 is the vertical profile side view as the low-temperature showcase that uses a cooling storage shed embodiment of the present invention;
Fig. 2 is the perspective back view of the low-temperature showcase of Fig. 1;
Fig. 3 is the plane (embodiment 1) of evaporator section of the low-temperature showcase of Fig. 1;
Fig. 4 is the plane of evaporator section of the low-temperature showcase of second embodiment of the invention;
Fig. 5 is the front elevation of evaporator section of the low-temperature showcase of third embodiment of the invention;
Fig. 6 is the vertical profile side view of the low-temperature showcase bottom of fourth embodiment of the invention;
Fig. 7 is the expansion valve refrigerant loop figure partly of the low-temperature showcase of fifth embodiment of the invention.
The specific embodiment
Describe embodiments of the present invention below with reference to the accompanying drawings in detail.
Embodiment 1
Fig. 1 is the vertical profile side view as the low-temperature showcase 1 that uses a cooling storage shed embodiment of the present invention; Fig. 2 is the perspective back view of low-temperature showcase 1; Fig. 3 is the plane of evaporimeter 16 parts of low-temperature showcase 1.The low-temperature showcase 1 of embodiment is mounted in the vertical open type showcase in the shops such as convenience store and supermarket, comprise section roughly コ shape thermal wall 2 and be installed on the side plate 3 of these thermal wall 2 both sides in the erecting bed.Have the interval and dividing plate 4 is installed in the inboard of thermal wall 2, form pipeline 8 between thermal wall 2 and the dividing plate 4, the inboard of dividing plate 4 forms the storeroom 9 as the space that is cooled.
In this storeroom 9, set up step shelf 11 ... simultaneously at the bottom of storeroom 9 installed base 12, be provided with the fan hub 14 of air blast 7 in the below of this pedestal 12 is provided with, and the evaporimeter 16 of the refrigerant loop that constitutes refrigerating plant vertically is set in the pipeline 8 at its rear.Under the evaporimeter that setting between fan hub 14 and the pipeline 8 is made of upper wall and left and right sides wall, cover 13, the fan hub 14 of the discharge side of connection air blast 7 and the lower end (the air inflow side of evaporimeter 16) of pipeline 8.
In addition, the top edge in the front openings portion 21 of storeroom 9 is provided with blow-off outlet 23, the last front end of these blow-off outlet 23 connecting pipes 8.Form suction inlet 24 at the lower limb of peristome 21, be communicated with the suction side of air blast 7 in the fan hub 14 that is arranged on above-mentioned pedestal 12 belows.Thus, constitute a series of conduit that the circulating cold air that crosses rear and top from the below of storeroom 9 is used.
When the air blast 7 in the said fans shell 14 turned round, air was inhaled into from air blast 7 suction sides of pedestal 12 belows, covered 13 pipelines 8 towards the rear down through evaporimeter and blew out.Then, blown afloat by carrying out heat exchange in the evaporimeter 16 on one side, from air outflow side (upper end) outflow of evaporimeter 16 and rise, and blown out to the suction inlet 24 of lower limb from the blow-off outlet 23 of peristome 21 top edges.
Thus, form the cold air screen on the peristome 21 of storeroom 9, prevention or the outer gas of inhibition are invaded from peristome 21, and the part of cold air screen circulates to come in the cold storage chamber 9 in storeroom 9 simultaneously.Then, cold air flows into pedestal 12 belows from suction inlet 24, is sucked once more in the air blast 7.
At this, above-mentioned evaporimeter 16 is so-called impeller type evaporimeters, and multi-disc blade 34 is installed on the refrigerant piping 32 of the sigmoid that crawls.Reference numeral 33 is the tube sheets that keep refrigerant piping 32 in the both sides of these blades 34, and refrigerant piping 32 becomes the U font in the outside curve of this tube sheet 33.
In addition, Reference numeral 32A is the refrigerant inlet pipe arrangement, is drawn out to the outside from the top of tube sheet 33.Reference numeral 32B is the refrigerant outlet pipe arrangement, is drawn out to tube sheet 33 outsides from the bottom of evaporimeter 16.Reference numeral 26 is expansion valve (using electric expansion valve in the present embodiment), and its outlet pipe arrangement 41 is connected with the refrigerant inlet pipe arrangement 32A of evaporimeter 16.At this moment, the outlet pipe arrangement 41 of expansion valve 26 is along the arranged outside of the right side wall 13A of cover 13 under the evaporimeter, and the length direction that exports pipe arrangement 41 in right side wall 13A upper edge forms a plurality of (being two places among the embodiment) through hole 20 corresponding to above-mentioned outlet pipe arrangement 41.
The inlet of expansion valve 26 and not shown condensation unit (are arranged in the canyon etc. in shop, the cold-producing medium that evaporimeter 16 acceptance of many low-temperature showcases 1 are supplied with) high press fit pipe connects, and refrigerant outlet pipe arrangement 32B is connected with the low-pressure fitting pipe of above-mentioned condensation unit simultaneously.
By said structure, make the not shown compressor operation of above-mentioned condensation unit by not shown control device, condensing from the high-temperature gas cold-producing medium that compressor blows out by not shown condenser.Arrive expansion valve 26 then, after this is depressurized, enter evaporimeter 16 from refrigerant inlet pipe arrangement 32A through outlet pipe arrangement 41.Because cold-producing medium flows out and start vaporizer from expansion valve 26, so the refrigerant loop from outlet pipe arrangement 41 to evaporimeter 16 forms low temperature.Cold-producing medium gasification is also flowed out and is inhaled into the above-mentioned compressor of condensing unit from the refrigerant outlet pipe arrangement 32B of evaporimeter 16, circulates so repeatedly.
During air blast 7 runnings, as previously mentioned, air is inhaled into from air blast 7 suction sides of pedestal 12 belows, covers 13 rearward pipelines 8 down via evaporimeter and blows out.The cold air that cools off with carrying out heat exchange in the evaporimeter 16 blows out to the suction inlet 24 of lower limb from the blow-off outlet 23 of peristome 21 top edges, cools off in the locker room 9 while form the cold air screen.
In such cooling running, form frost and adhere to growth at the airborne moisture of evaporimeter 16 cocycles.Particularly, because the output pipe arrangement of expansion valve 26 41 forms minimum temperature, so the easiest growth of frosting.Therefore, control device for example carries out the defrosting running of evaporimeter 16 termly.Close expansion valve 26 (stopping thus to evaporimeter 16 the supply system cryogens) fully in this defrosting running, air blast 7 continues operation.Like this, under the state that stops the supply system cryogen, ventilate, make the temperature of evaporimeter 16 rise frost melts gradually.
At this moment, because the right side wall 13A of cover 13 is formed with through hole 20,20 under the evaporimeter, so outside in above-mentioned cooling operation, in above-mentioned defrosting running, also will blow out from through hole 20,20 from the air that air blast 7 blows out.Then, this air that is blown blows on the outlet pipe arrangement 41 of expansion valve 26, so also be melted in the frost of growth on the above-mentioned outlet pipe arrangement 41 rapidly.
At this, above-mentioned control device stops above-mentioned defrosting running constantly at the defrosting final temperature of the temperature arrival regulation of evaporimeter 16, begin cooling operation once more, but if outlet pipe arrangement 41 frostings of residual expansion valve 26, then the temperature of evaporimeter 16 rises slowly, and residual frosting continued growth simultaneously has the danger that the generation frost blocks in evaporimeter 16 immediately.
Yet, because the present invention is as previously mentioned, can defrost to the white outlet pipe arrangement 41 of the easiest growth rapidly, so the 16 needed times of defrosting of evaporimeter, the time that promptly reaches above-mentioned defrosting final temperature also significantly shortens.The deterioration of the refrigerating capacity in the storeroom 9 that defrosting can be caused thus, is suppressed to Min..In addition, because also can eliminate residual frost, so can effectively prevent the generation that frost blocks.
Particularly, under the evaporimeter of the pipeline of evaporimeter 16, cover 13 right side wall 13A formation through hole 20,20 in the side that blows out that constitutes from air blast 7, make the outlet pipe arrangement 41 of this through hole 20,20 corresponding to expansion valve 26, so can make the outlet pipe arrangement 41 that effectively touches expansion valve 26 from the wind of air blast 7 with simpler structure, the thawing of the frosting when promoting defrosting.
Fig. 4 represents another embodiment of the present invention.In this case, under the evaporimeter of evaporimeter 16, cover the outlet pipe arrangement 41 of introducing expansion valve 26 in 13 (the formation pipelines) in the side that blows out from air blast 7.Like this, by from air blast 7 blow out side configuration outlet pipe arrangement 41 in the pipeline of evaporimeter 16, the pipe arrangement 41 that blows out of expansion valve 26 is exposed in the wind from air blast 7, can melt the frost that adheres to when defrosting effectively.
Embodiment 3
Fig. 5 represents further embodiment of this invention.In this case, dispose the outlet pipe arrangement 41 of expansion valve 26 in the upside air outflow side of evaporimeter 16.Like this, if at the air outflow side of evaporimeter 16 configuration outlet pipe arrangement 41, then dry cold air blows on the outlet pipe arrangement 41 of expansion valve 26 via evaporimeter 16 in cooling operation, can suppress frost and adhere to this outlet pipe arrangement 41.And because in defrosting running, the outlet pipe arrangement 41 of expansion valve 26 is exposed in the wind from air blast 7, so can be effectively adhere to white outlet pipe arrangement 41 and defrost the easiest.
Embodiment 4
Fig. 6 represents the profile of another low-temperature showcase 1 bottom of the present invention.The front side that is positioned at fan hub 14 on the thermal wall below the pedestal 12 2 is formed with discharge outlet 36.The bottom surface 2A of thermal wall 2 is downward-sloping to this discharge outlet 36, is provided with bolt 38 on this discharge outlet 36, and it opens and closes the opening and closing device of this discharge outlet 36 as utilizing solenoid 37 to drive.At this moment, dispose the outlet pipe arrangement 41 (Fig. 6) of expansion valve 26 along the bottom surface 2A of thermal wall 2 from evaporimeter 16 belows to discharge outlet 36.
The action of this moment then, is described.Above-mentioned control device utilizes above-mentioned solenoid 37 bolt 38 of leaving behind in above-mentioned cooling operation, close discharge outlet 36.If above-mentioned defrosting running beginning then from evaporimeter 16 defrost water of dripping, is flowed and is flowed to discharge outlet 36 at bottom surface 2A, so the outlet pipe arrangement 41 of expansion valve 26 contacts with the defrost water that this flows down.Therefore, melt frosting on the outlet pipe arrangement 41 of expansion valve 26 of easy frosting rapidly.
Even beginning above-mentioned defrosting running, above-mentioned control device do not open discharge outlet 36 yet.Therefore, stockpile the defrost water that produces in the defrosting on the 2A of the bottom surface of thermal wall 2, the outlet pipe arrangement 41 of expansion valve 26 is immersed in in the defrost water.Thus, because further promote melting of frosting, so the time that evaporimeter 16 defrosting needs is significantly shortened in the frosting of melt outlet pipe arrangement 41 rapidly, the deterioration of the refrigerating capacity in the storeroom 9 that defrosting is caused is suppressed to Min..In addition, above-mentioned control device is opened discharge outlet 36 finishing to utilize solenoid 37 that bolt 38 is pushed to before the defrosting running, discharges defrost water.
Embodiment 5
Fig. 7 represents the present invention's part of the refrigeration circuit of a low-temperature showcase 1 again.At this moment, a plurality of (among the embodiment being two) expansion valve 26A, 26B is set, in refrigerant loop, connects above-mentioned expansion valve mutually side by side.With outlet pipe arrangement 41A, the 41B of each expansion valve 26A, 26B interflow and be connected with the refrigerant inlet pipe arrangement 32A of evaporimeter 16.
The action of this moment then, is described.Above-mentioned control device uses any expansion valve 26A or 26B in above-mentioned cooling operation.For example, in the present cooling operation, expansion valve 26B closes fully, and that adjusts expansion valve 26A opens the valve degree, and cold-producing medium is supplied with evaporimeter 16, then also closes fully from defrosting running beginning expansion valve 26A.After this defrosting running finishes, open expansion valve 26B when beginning to cool down running once more, open the valve degree cold-producing medium is supplied to evaporimeter 16 while adjust it.In addition, at this moment, expansion valve 26 cuts out fully.Switch when defrosting repeatedly afterwards, at every turn and use expansion valve 26A, 26B.
Like this, a plurality of expansion valve 26A, 26B are set,, then can make frosting be distributed to outlet pipe arrangement 41A, the 41B of a plurality of expansion valve 26A, 26B if cold-producing medium flows into any expansion valve 26A or 26B when switching after evaporimeter 16 defrosting.In addition, the frosting of the outlet pipe arrangement (being 41A in aforementioned) of the expansion valve that uses attached to the last time (being 26A in aforementioned) is in not (being during cold-producing medium flows into expansion valve 26B) thawing between flow periods of cold-producing medium next time.Thus, can effectively remove the frosting of outlet pipe arrangement of the expansion valve of easy frosting, significantly shorten the evaporimeter required time of 16 defrostings, the deterioration of the refrigerating capacity in the storeroom 9 that defrosting is caused is suppressed to Min..
In addition, in the various embodiments described above, use electric expansion valve, serviceability temperature formula expansion valve and whether cold-producing medium to be supplied with evaporimeter by liquid electromagnetic valve control also be effective to the present invention as expansion valve.In an embodiment, the present invention is suitable for the open type showcase, but is not limited to this, uses freezer and enclosed type showcase (Network ロ one ズ De イ プ シ ヨ one ケ one ス) etc. also effective to home-use, commercial affairs.In addition, the wind that utilizes air blast to produce in the defrosting running of embodiment carries out the defrosting of evaporimeter, also can be by heating fumigators such as electric heaters on this.
Claims (7)
- One kind cooling storage shed, it makes by in the cold-producing medium inflow evaporator of expansion valve decompression and evaporate, utilize air blast and Jie to make with above-mentioned evaporimeter and carried out the circulating cold air of heat exchange in storeroom by pipeline, stop simultaneously to above-mentioned evaporimeter the supply system cryogen, the above-mentioned air blast that turns round carries out the defrosting of above-mentioned evaporimeter, it is characterized in that the air that blows out from above-mentioned air blast blows on the outlet pipe arrangement of above-mentioned expansion valve.
- 2. as claimed in claim 1 cooling storage shed, it is characterized in that form through hole at the wall that constitutes from the discharge side of above-mentioned air blast to the pipeline of above-mentioned evaporimeter, this through hole is corresponding with the outlet pipe arrangement of above-mentioned expansion valve.
- 3. as claimed in claim 1 cooling storage shed, it is characterized in that, in from the discharge side of above-mentioned air blast to the pipeline of above-mentioned evaporimeter, dispose the outlet pipe arrangement of above-mentioned expansion valve.
- 4. as claimed in claim 1 cooling storage shed, it is characterized in that, dispose the outlet pipe arrangement of above-mentioned expansion valve in the air outflow side of above-mentioned evaporimeter.
- One kind cooling storage shed, it makes by in the cold-producing medium inflow evaporator of expansion valve decompression and evaporate, utilize air blast and Jie to make with above-mentioned evaporimeter and carried out the circulating cold air of heat exchange in storeroom by pipeline, carry out the defrosting of above-mentioned evaporimeter simultaneously, it is characterized in that the position configuration that flows down in the defrost water from above-mentioned evaporimeter has the outlet pipe arrangement of above-mentioned expansion valve.
- 6. as claimed in claim 5 cooling storage shed, it is characterized in that, comprise the discharge outlet and the opening and closing device that opens and closes this discharge outlet that eject from the defrost water of above-mentioned evaporimeter, in above-mentioned evaporator defrost, close above-mentioned discharge outlet by above-mentioned opening and closing device.
- One kind cooling storage shed, it makes by in the cold-producing medium inflow evaporator of expansion valve decompression and evaporate, stop simultaneously to this evaporimeter the supply system cryogen, carry out the defrosting of above-mentioned evaporimeter, it is characterized in that, a plurality of above-mentioned expansion valves are set, behind above-mentioned evaporator defrost, switch and make cold-producing medium flow into above-mentioned any one expansion valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004175215A JP4666956B2 (en) | 2004-06-14 | 2004-06-14 | Cooling storage |
| JP175215/04 | 2004-06-14 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101723304A Division CN100572998C (en) | 2004-06-14 | 2005-03-30 | Cooling storage shed |
| CNB2006101723412A Division CN100541073C (en) | 2004-06-14 | 2005-03-30 | Cooling storage shed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1715813A true CN1715813A (en) | 2006-01-04 |
| CN1332166C CN1332166C (en) | 2007-08-15 |
Family
ID=35586217
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100639340A Expired - Fee Related CN1332166C (en) | 2004-06-14 | 2005-03-30 | Refrigeration storage warehouse |
| CNB2006101723304A Expired - Fee Related CN100572998C (en) | 2004-06-14 | 2005-03-30 | Cooling storage shed |
| CNB2006101723412A Expired - Fee Related CN100541073C (en) | 2004-06-14 | 2005-03-30 | Cooling storage shed |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101723304A Expired - Fee Related CN100572998C (en) | 2004-06-14 | 2005-03-30 | Cooling storage shed |
| CNB2006101723412A Expired - Fee Related CN100541073C (en) | 2004-06-14 | 2005-03-30 | Cooling storage shed |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4666956B2 (en) |
| CN (3) | CN1332166C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466728A (en) * | 2018-07-27 | 2019-11-19 | 株式会社三工社 | Use the ship refrigerating plant of isobutane refrigerant |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4930353B2 (en) * | 2007-12-05 | 2012-05-16 | 富士電機株式会社 | Cooling system |
| JP5179217B2 (en) * | 2008-02-19 | 2013-04-10 | 株式会社岡村製作所 | Defrost control device for freezing and refrigeration showcase |
| CN107525343A (en) * | 2017-08-18 | 2017-12-29 | 青岛海尔股份有限公司 | The control method of refrigerator |
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| US3850003A (en) * | 1974-04-05 | 1974-11-26 | Kysor Industrial Corp | Air defrost air curtain display case |
| JPS599555B2 (en) * | 1974-07-09 | 1984-03-03 | カブシキガイシヤ コウジン | P- Chikanstiril Yudou Taino Seizouhouhou |
| US4208884A (en) * | 1978-04-24 | 1980-06-24 | Popham Edward V | Air defrost housing |
| JPS55152371A (en) * | 1979-05-15 | 1980-11-27 | Fuji Electric Co Ltd | Flat wall type frozen*refrigerated open display case |
| JPS56149567A (en) * | 1980-04-22 | 1981-11-19 | Fuji Electric Co Ltd | Refrigerated/cold storage commercial display cabinet |
| JPS5872863A (en) * | 1981-10-26 | 1983-04-30 | 富士電機株式会社 | Flat type open showcase |
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| US4375155A (en) * | 1981-12-24 | 1983-03-01 | Emhart Industries, Inc. | Reach-in refrigerated display case with ambient air defrost |
| JPS632069U (en) * | 1986-06-23 | 1988-01-08 | ||
| JP3052393B2 (en) * | 1991-01-31 | 2000-06-12 | スズキ株式会社 | Air conditioner expansion valve |
| US5357767A (en) * | 1993-05-07 | 1994-10-25 | Hussmann Corporation | Low temperature display merchandiser |
| CN1155647A (en) * | 1995-10-11 | 1997-07-30 | 三洋电机株式会社 | Low temperature gondola |
| JPH09269179A (en) * | 1996-03-29 | 1997-10-14 | Sanyo Electric Co Ltd | Defroster for refrigerator |
| JPH1123110A (en) * | 1997-07-08 | 1999-01-26 | Sanyo Electric Co Ltd | Engine driven cooling device |
| JP2000018801A (en) * | 1998-07-02 | 2000-01-18 | Matsushita Refrig Co Ltd | Refrigerator |
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| JP4314726B2 (en) * | 2000-06-05 | 2009-08-19 | パナソニック株式会社 | refrigerator |
-
2004
- 2004-06-14 JP JP2004175215A patent/JP4666956B2/en not_active Expired - Fee Related
-
2005
- 2005-03-30 CN CNB2005100639340A patent/CN1332166C/en not_active Expired - Fee Related
- 2005-03-30 CN CNB2006101723304A patent/CN100572998C/en not_active Expired - Fee Related
- 2005-03-30 CN CNB2006101723412A patent/CN100541073C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466728A (en) * | 2018-07-27 | 2019-11-19 | 株式会社三工社 | Use the ship refrigerating plant of isobutane refrigerant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100541073C (en) | 2009-09-16 |
| CN101135527A (en) | 2008-03-05 |
| CN101135526A (en) | 2008-03-05 |
| CN100572998C (en) | 2009-12-23 |
| CN1332166C (en) | 2007-08-15 |
| JP2005351591A (en) | 2005-12-22 |
| JP4666956B2 (en) | 2011-04-06 |
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