CN103759494B - Fruit ammonia machine freezer temperature control defroster and using method thereof - Google Patents
Fruit ammonia machine freezer temperature control defroster and using method thereof Download PDFInfo
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- CN103759494B CN103759494B CN201410053336.4A CN201410053336A CN103759494B CN 103759494 B CN103759494 B CN 103759494B CN 201410053336 A CN201410053336 A CN 201410053336A CN 103759494 B CN103759494 B CN 103759494B
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- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Defrosting Systems (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a kind of fruit ammonia machine freezer temperature control defroster and using method thereof, refrigerating evaporator is provided with evaporator surface sensor and blower fan, evaporator surface sensor is electrically connected with master controller by evaporating temperature controller, in storehouse, air-temperature sensor is electrically connected with master controller by air-temperature control in storehouse, blower fan, ammoniacal liquor distribution station and water pump are electrically connected with master controller respectively, and ammoniacal liquor distribution station is connected with refrigerating evaporator respectively with water pump.This device circuit structure is simple, workable, and ensure that kind of refrigeration cycle defrosts in time when long-pending frost, frostless operation, efficient energy-saving, enables fruit ammonia machine freezer low energy consumption safe handling.
Description
Technical field
The present invention relates to the using method of a kind of fruit ammonia machine freezer temperature control defroster and this device.
Background technology
Temperature in Cold Storage storehouse controls at about 0 DEG C, refrigeration plant operating temperature is below 0 DEG C, at-5 ~ 15 DEG C as evaporator temperature, under such cryogenic conditions, surface frosting is its inevitable outcome, namely evaporator surface frosting is the mark of evaporimeter cooling heat exchange in storehouse, but evaporator surface frosting hinders again the process that evaporimeter continues cooling heat exchange after forming certain frost layer, sweat cooling effect is declined, frost layer reaches the even long-pending white Cheng Bing of certain thickness, evaporator heat exchange effect can decline greatly, refrigeration system is even caused to waste and refrigeration compressor liquid hammer or damage, therefore, all freezers are after operation a period of time, all defrost operation must be carried out.The defrosting of ammonia machine freezer adopts the external heat such as water defrosting and hot ammonia, electric heating defrosting form more.This is the importance of freezer energy consumption, because above-mentioned Defrost mode is all the process to heating in storehouse, added heat all needs refrigeration to discharge.Improperly if defrost more easily cause larger energy waste.
At present, ammonia machine freezer is all manual time defrosting, and when defrosting not in time on the one hand, the long-pending frost of evaporimeter runs customary, and its refrigerating efficiency is low is normality.Time defrosting also easily causes frostless heating on the other hand, increases cooling load on foot.So scientific and reasonable defrost control timely accomplish frostless not except, have frost must except, except then business is clean, be the importance of existing big-and-middle-sized cold store energy saving.
Summary of the invention
Object of the present invention be just to provide a kind ofly to defrost in time, the fruit ammonia machine freezer temperature control defroster of efficient energy-saving and using method thereof, its technical scheme taked is:
This device comprises air-temperature control in air-temperature sensor in storehouse, storehouse, evaporating temperature controller, master controller, refrigerating evaporator, ammoniacal liquor distribution station and water pump, it is characterized in that: refrigerating evaporator is provided with evaporator surface sensor and blower fan, evaporator surface sensor is electrically connected with master controller by evaporating temperature controller, in storehouse, air-temperature sensor is electrically connected with master controller by air-temperature control in storehouse, blower fan, ammoniacal liquor distribution station and water pump are electrically connected with master controller respectively, and ammoniacal liquor distribution station is connected with refrigerating evaporator respectively with water pump.Master controller comprises power switch, meter switch, control loop switch and defrosting throwing and backs out pass, power switch connects meter switch and control loop switch respectively, power switch is by blower fan A.C. contactor connecting fan simultaneously, water pump is connected by water pump A.C. contactor, air-temperature control and evaporating temperature controller in meter switch difference link library, control loop switch connects defrosting throwing and backs out pass.
The using method of this device is: in storehouse, the storehouse temperature ceiling temperature of air-temperature control setting is 1.5 DEG C, and lower limit temperature is 0-2.5 DEG C, and the evaporation ceiling temperature of evaporating temperature controller setting is 2 DEG C, and lower limit temperature is-10 ~ 15 DEG C; When air-temperature sensor in storehouse record Ku Wen reach ceiling temperature in storehouse time, in storehouse, air-temperature control is freezed to evaporimeter feed flow by master controller control ammoniacal liquor distribution station, and control blower fan running, when air-temperature sensor in storehouse record Ku Wen reach the lower limit temperature of air-temperature control in storehouse time, in storehouse, air-temperature control controls ammoniacal liquor distribution station stopping feed flow by master controller, and blower fan shuts down; In feed flow process of refrigerastion, when air-temperature sensor in storehouse records Ku Wen lower than 0 DEG C, evaporator surface sensor records the temperature of evaporimeter lower than when evaporating lower limit temperature simultaneously, evaporating temperature controller controls ammoniacal liquor distribution station by master controller and stops feed flow, and control blower fan stall and open water pump, when evaporator surface sensor records the temperature of evaporimeter higher than when evaporating ceiling temperature, evaporating temperature controller controls ammoniacal liquor distribution station feed flow by master controller, and controls blower fan running and switch off the pump; In feed flow process of refrigerastion, when air-temperature sensor in storehouse records Ku Wen higher than 0 DEG C, evaporator surface sensor records the temperature of evaporimeter lower than when evaporating lower limit temperature simultaneously, evaporating temperature controller controls ammoniacal liquor distribution station by master controller and stops feed flow, and control blower fan operates and switches off the pump.
This device controls feed flow refrigeration and the blower fan heat convection of ammonia machine freezer, lets cool storehouse temperature is declined in freezer, until storehouse temperature reaches setting lower limit, stops feed flow and blower fan circulation.After this, namely storehouse temperature slowly gos up, and prescribe a time limit when reaching the upper of storehouse temperature control unit setting, master controller sends instruction, feed flow is freezed and restarts to enter the circulation of next refrigeration cool-down.In the cyclic process of ammonia machine freezer refrigerating, evaporimeter frosting amasss white phenomenon and will produce, ammonia machine freezer can adopt the mode of water defrosting or the defrosting of blower fan running, realize accomplishing to observe and predict frosting situation in time to the evaporimeter (air-cooler) to ammonia machine freezer, carry out automatic defrosting, frostlessly not remove, have frost to remove, except then business is clean.In refrigerative circle system, the temperature of evaporator surface sensor senses is lower than the temperature set, and when in storehouse, air-temperature sensor records Ku Wen higher than 0 DEG C simultaneously, the non-flushing frost of defrost operation, a use blower fan running can defrost, and energy-saving effect is remarkable.
This device circuit structure is simple, workable, and ensure that kind of refrigeration cycle defrosts in time when long-pending frost, frostless operation, efficient energy-saving, enables fruit ammonia machine freezer low energy consumption safe handling.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, invention is described further.
As shown in Figure 1, this device comprises air-temperature control in air-temperature sensor in storehouse, storehouse, evaporating temperature controller, master controller, refrigerating evaporator, ammoniacal liquor distribution station and water pump, refrigerating evaporator is provided with evaporator surface sensor and blower fan, evaporator surface sensor is electrically connected with master controller by evaporating temperature controller, in storehouse, air-temperature sensor is electrically connected with master controller by air-temperature control in storehouse, blower fan, ammoniacal liquor distribution station and water pump are electrically connected with master controller respectively, and ammoniacal liquor distribution station is connected with refrigerating evaporator respectively with water pump.
According to the requirement of antistaling process, in storehouse, the storehouse temperature ceiling temperature of air-temperature control setting is 1.5 DEG C, and lower limit temperature is 0-2.5 DEG C, and the evaporation ceiling temperature of evaporating temperature controller setting is 2 DEG C, and lower limit temperature is-10 ~ 15 DEG C; When air-temperature sensor in storehouse record Ku Wen reach ceiling temperature in storehouse time, in storehouse, air-temperature control is freezed to evaporimeter feed flow by master controller control ammoniacal liquor distribution station, and control blower fan running, when air-temperature sensor in storehouse record Ku Wen reach the lower limit temperature of air-temperature control in storehouse time, in storehouse, air-temperature control controls ammoniacal liquor distribution station stopping feed flow by master controller, and blower fan shuts down; In feed flow process of refrigerastion, when air-temperature sensor in storehouse records Ku Wen lower than 0 DEG C, evaporator surface sensor records the temperature of evaporimeter lower than when evaporating lower limit temperature simultaneously, evaporating temperature controller controls ammoniacal liquor distribution station by master controller and stops feed flow, and control blower fan stall and open water pump, when evaporator surface sensor records the temperature of evaporimeter higher than when evaporating ceiling temperature, evaporating temperature controller controls ammoniacal liquor distribution station feed flow by master controller, and controls blower fan running and switch off the pump; In feed flow process of refrigerastion, when air-temperature sensor in storehouse records Ku Wen higher than 0 DEG C, evaporator surface sensor records the temperature of evaporimeter lower than when evaporating lower limit temperature simultaneously, evaporating temperature controller controls ammoniacal liquor distribution station by master controller and stops feed flow, and control blower fan operates and switches off the pump.
As shown in Figure 2, this master controller comprises power switch DK1, meter switch DK2, control loop switch DK3 and defrosting throwing and backs out pass SK1, power switch DK1 connects meter switch DK2 and control loop switch DK3 respectively, power switch DK1 is by blower fan A.C. contactor 1C connecting fan FD simultaneously, water pump BD is connected by water pump A.C. contactor 2C, in meter switch DK2 difference link library, air-temperature control TK1 and evaporating temperature controller TK2, control loop switch DK3 connection defrosting throwing is backed out and is closed SK1.
During concrete operations, switch on power switch DK1 successively, meter switch DK2, the bound of air-temperature control TK1 and evaporating temperature controller TK2 in adjustment storehouse, open DK3 master controller switch, defrosting throwing is backed out and is closed SK1 input position, and namely freezer refrigerating defrosting enters automatic control state.
Temperature in air-temperature sensor TK1 perception storehouse in storehouse, compared by air-temperature control TK1 in storehouse, during the temperature upper limit that Ruo Kunei temperature sets higher than control, in storehouse, air-temperature control TK1 relay point is connected, if the now not long-pending frost of evaporimeter, evaporating temperature controller TK2 does not reach the state of setting lower limit, auxiliary reclay 3ZJ not adhesive, auxiliary reclay 1ZJ then adhesive, 1ZJ1 connects, blower fan A.C. contactor 1C adhesive under the non-attracting state of water pump A.C. contactor 2C, blower fan FD operates, if evaporating temperature controller TK2 upper change point is connected simultaneously, feed flow signal designation is provided by 1ZJ2, feed flow numeral indicating dial SZSQ1 lights, feed flow audible indicator SS1 sounding indicates, magnetic valve DF conducting, feed flow refrigeration starts, Ku Wen constantly declines.Prescribe a time limit when storehouse temperature drops to the lower of air temperature set in storehouse, in storehouse, air-temperature control TK1 lower limit is connected, and auxiliary reclay 1ZJ disconnects, and 1ZJ2 disconnects, feed flow numeral indicating dial SZSQ1, feed flow audible indicator SS1 send and stop feed flow instruction, magnetic valve DF ends, and feed flow refrigeration stops, simultaneously, 1ZJ1 disconnects, blower fan A.C. contactor 1C disconnects, and blower fan FD shuts down, and freezer is in and does not slowly go up the stage for chill temperature.When the storehouse temperature that storehouse temperature goes back up to setting is prescribed a time limit, repeat said process, so stop cooling constantly circulating for cold-peace, maintenance storehouse temperature is in the scope of setting.
When in above-mentioned refrigerative circle system, evaporimeter frosting amasss after frost acquires a certain degree, and the temperature of evaporator surface sensor senses is lower than the temperature of setting, when in storehouse, air-temperature sensor records Ku Wen lower than 0 DEG C simultaneously, now evaporating temperature controller TK2 lower limit is connected, and feed flow instruction stops, auxiliary reclay 3ZJ adhesive, the digital indicating dial SZSQ2 that defrosts lights, the instruction of defrosting audible indicator SS2 sounding, 3ZJ1 connects, water pump A.C. contactor 2C adhesive, water pump BD starts working, and defrosting starts.When frost layer eliminates, when evaporator surface temperature is higher than design temperature, the evaporating temperature controller TK2 upper limit is connected, auxiliary reclay 3ZJ disconnects, defrost digital indicating dial SZSQ2, defrosting audible indicator SS2 stopping instruction, and 3ZJ1 disconnects, and water pump A.C. contactor 2C disconnects, water pump BD quits work, and defrosting terminates.Enter the kind of refrigeration cycle state that in storehouse, air-temperature control TK1 controls.
In refrigerative circle system, the temperature of evaporator surface sensor senses is lower than the temperature set, when in storehouse, air-temperature sensor records Ku Wen higher than 0 DEG C simultaneously, defrosting throwing is backed out pass SK1 and is being exited position, blower fan FD operates, but feed flow does not freeze, and utilizes the wind in storehouse to circulate and can remove the frost layer of evaporator surface, when after the temperature upper limit reaching evaporating temperature controller TK2 setting, feed flow refrigeration starts circulation.
Claims (1)
1. the using method of fruit ammonia machine freezer temperature control defroster, it is characterized in that: in storehouse, the storehouse temperature ceiling temperature of air-temperature control setting is 1.5 DEG C, lower limit temperature is 0-2.5 DEG C, and the evaporation ceiling temperature of evaporating temperature controller setting is 2 DEG C, and lower limit temperature is-10 ~ 15 DEG C; When air-temperature sensor in storehouse record Ku Wen reach ceiling temperature in storehouse time, in storehouse, air-temperature control is freezed to evaporimeter feed flow by master controller control ammoniacal liquor distribution station, and control blower fan running, when air-temperature sensor in storehouse record Ku Wen reach the lower limit temperature of air-temperature control in storehouse time, in storehouse, air-temperature control controls ammoniacal liquor distribution station stopping feed flow by master controller, and blower fan shuts down; In feed flow process of refrigerastion, when air-temperature sensor in storehouse records Ku Wen lower than 0 DEG C, evaporator surface sensor records the temperature of evaporimeter lower than when evaporating lower limit temperature simultaneously, evaporating temperature controller controls ammoniacal liquor distribution station by master controller and stops feed flow, and control blower fan stall and open water pump, when evaporator surface sensor records the temperature of evaporimeter higher than when evaporating ceiling temperature, evaporating temperature controller controls ammoniacal liquor distribution station feed flow by master controller, and controls blower fan running and switch off the pump; In feed flow process of refrigerastion, when air-temperature sensor in storehouse records Ku Wen higher than 0 DEG C, evaporator surface sensor records the temperature of evaporimeter lower than when evaporating lower limit temperature simultaneously, evaporating temperature controller controls ammoniacal liquor distribution station by master controller and stops feed flow, and control blower fan operates and switches off the pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053336.4A CN103759494B (en) | 2014-02-18 | 2014-02-18 | Fruit ammonia machine freezer temperature control defroster and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053336.4A CN103759494B (en) | 2014-02-18 | 2014-02-18 | Fruit ammonia machine freezer temperature control defroster and using method thereof |
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| Publication Number | Publication Date |
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| CN103759494A CN103759494A (en) | 2014-04-30 |
| CN103759494B true CN103759494B (en) | 2015-10-28 |
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| CN201410053336.4A Expired - Fee Related CN103759494B (en) | 2014-02-18 | 2014-02-18 | Fruit ammonia machine freezer temperature control defroster and using method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308714A1 (en) * | 1982-04-02 | 1983-10-06 | Linde Ag | Method and device for defrosting the frost coating on air coolers of heat pumps, refrigeration plants and domestic refrigerators |
| KR100238059B1 (en) * | 1997-12-11 | 2000-01-15 | 윤종용 | Method for defrosting in refrigerator |
| CN201037724Y (en) * | 2007-03-29 | 2008-03-19 | 巴州库尔勒经济技术开发区世光仓储有限公司 | Refrigerating system liquid and gas double-circuit combined adjusting station |
| CN101419010A (en) * | 2008-12-08 | 2009-04-29 | 山东省果树研究所 | Cold storage instant auto-defrosting control device |
| CN201259364Y (en) * | 2008-09-12 | 2009-06-17 | 孟庆国 | Automatic control and management system for refrigerating house |
| CN201514086U (en) * | 2009-08-12 | 2010-06-23 | 四川澳尔空调冷冻设备有限公司 | Low-temperature refrigeratory hot water defrosting full-automatic control device |
| CN203068900U (en) * | 2012-11-23 | 2013-07-17 | 郝中 | Refrigeration device |
| CN203719323U (en) * | 2014-02-18 | 2014-07-16 | 山东省果树研究所 | Temperature-control defrosting device for fruit ammonia refrigeration storage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7032395B2 (en) * | 2002-04-29 | 2006-04-25 | Thermo King Corporation | Transport temperature control unit and methods of defrosting an evaporator coil of the same |
-
2014
- 2014-02-18 CN CN201410053336.4A patent/CN103759494B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308714A1 (en) * | 1982-04-02 | 1983-10-06 | Linde Ag | Method and device for defrosting the frost coating on air coolers of heat pumps, refrigeration plants and domestic refrigerators |
| KR100238059B1 (en) * | 1997-12-11 | 2000-01-15 | 윤종용 | Method for defrosting in refrigerator |
| CN201037724Y (en) * | 2007-03-29 | 2008-03-19 | 巴州库尔勒经济技术开发区世光仓储有限公司 | Refrigerating system liquid and gas double-circuit combined adjusting station |
| CN201259364Y (en) * | 2008-09-12 | 2009-06-17 | 孟庆国 | Automatic control and management system for refrigerating house |
| CN101419010A (en) * | 2008-12-08 | 2009-04-29 | 山东省果树研究所 | Cold storage instant auto-defrosting control device |
| CN201514086U (en) * | 2009-08-12 | 2010-06-23 | 四川澳尔空调冷冻设备有限公司 | Low-temperature refrigeratory hot water defrosting full-automatic control device |
| CN203068900U (en) * | 2012-11-23 | 2013-07-17 | 郝中 | Refrigeration device |
| CN203719323U (en) * | 2014-02-18 | 2014-07-16 | 山东省果树研究所 | Temperature-control defrosting device for fruit ammonia refrigeration storage |
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| CN103759494A (en) | 2014-04-30 |
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Granted publication date: 20151028 Termination date: 20170218 |