CN103868308B - Variable volume freezing-cooling storeroom two-shipper group joint operating device and operation method thereof - Google Patents

Variable volume freezing-cooling storeroom two-shipper group joint operating device and operation method thereof Download PDF

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Publication number
CN103868308B
CN103868308B CN201410102759.0A CN201410102759A CN103868308B CN 103868308 B CN103868308 B CN 103868308B CN 201410102759 A CN201410102759 A CN 201410102759A CN 103868308 B CN103868308 B CN 103868308B
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China
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air
freezer
cooled evaporimeter
valve
freezing
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CN201410102759.0A
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Chinese (zh)
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CN103868308A (en
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杨昭
赵松松
陈爱强
张娜
陈明锋
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天津大学
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Abstract

The invention discloses variable volume freezing-cooling storeroom two-shipper group joint operating device and operation method thereof, originally traditional independent return air blowing system is integrated, two typhoon cold type evaporimeters all connect air outlet and the air outlet of freezer and refrigerator, opened and closed by the air-valve in two aircrew cooperation air-supply passage and realize different combinations, realize the method for operation of two air-supply two return air or two air-supply one return air respectively.Simultaneously for improving freezer utilization rate, regulating capacity ratio between freezing and refrigeration in real time by the thermal-insulation baffle plate between adjustment freezing and refrigeration, according to demand to carrying out cold distribution between freezing and refrigeration, realizing the fast cooling of food and optimum storage.

Description

Variable volume freezing-cooling storeroom two-shipper group joint operating device and operation method thereof
Technical field
The invention belongs to freezer freezing and refrigeration field, more particularly, relate to two-shipper group joint operating device and operation method thereof, mainly through air-supply passage by the evaporimeter air inlet of freezer and refrigerator, air outlet associating, utilize the air-valve in two aircrew cooperation air-supply passage to open and close to distribute air quantity to lower the temperature the soonest with freezer under realizing different condition, and associating can realize the optimum dimension temperature storage of food by automatic mobile thermal-insulation baffle plate.
Background technology
The Refrigeration industry of China, through the development of decades, has formed more complete independently industrial system, and has become one of the pillar industry in Food circulation field.Freezer is one of food refrigerated major way, is to adapt to the needs that our people's living standard improves constantly, and China plans national freezer total capacity to be increased to 1,880 ten thousand tons in 2015, and proposes higher requirement to food cold processing and preservation technique thereof.In recent years, along with the change of people's dietary structure, the structure of store goods also changes, and occurs that high temperature storehouse is not enough, the phenomenon of Freezing room relative surplus in a part of area; Simultaneously freezing-cooling storeroom fails to realize the integration operation with precooling storage, fast food freezing.At present, the United Technologies that freezer realizes volume between quick-frozen food, adjustable freezing and refrigeration do not have large breakthrough yet.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, variable volume freezing-cooling storeroom two-shipper group joint operating device and operation method thereof are provided, a kind of supply air system by freezer and refrigerator is provided to integrate, realized the distribution of cold under the different cold treatment of food by the keying of air-supply passage stroke valve, the mobile thermal-insulation baffle plate that parallel connection is combined in freezer and refrigerator realizes the quick optimal processing of food under different capabilities.Make full use of the cooperation of two-shipper group in the pre-cold-peace quick-frozen of food, realize high/low temperature storehouse difference and require changing mutually fast of lower capacity, and the effect of balanced ventilation under ensure that freezer varying capacity.Overcome high/low temperature storehouse and distribute a uneven difficult problem, and improve the multifunction of freezer, effectively increase economic benefit, economize energy.
Technical purpose of the present invention is achieved by following technical proposals:
Variable volume freezing-cooling storeroom two-shipper group joint operating device, comprises the first compressor bank, the second compressor bank, the first magnetic valve, the second magnetic valve, the first heating power expansion valve, the second heating power expansion valve, the first air-cooled evaporimeter, the second air-cooled evaporimeter, the first air-supply passage, the second air-supply passage:
The freezer be made up of freezer and refrigerator, arranges mobile thermal-insulation baffle plate between the two;
First compressor bank is connected with the first air-cooled evaporator pipeline, and on pipeline, install the first magnetic valve and the first heating power expansion valve; Second compressor bank is connected with the second air-cooled evaporator pipeline, and on pipeline, install the second magnetic valve and the second heating power expansion valve;
The air outlet of the first air-cooled evaporimeter is connected by the second air-supply passage with the air outlet of the second air-cooled evaporimeter, and arranges the second Electric air valve in the second air-supply passage; The air inlet of the first air-cooled evaporimeter is connected by the first air-supply passage with the air inlet of the second air-cooled evaporimeter, and arranges the first Electric air valve in the first air-supply passage;
Freezer arranges the first return air inlet and the first air outlet, refrigerator arranges the second air outlet and the second return air inlet;
Two subchannels of the first air-supply passage are connected with the first return air inlet, the second return air inlet respectively, and in the first return air inlet, arrange the 3rd Electric air valve, arrange the 6th Electric air valve in the second return air inlet;
Two subchannels of the second air-supply passage are connected with the first air outlet, the second air outlet respectively, and in the first air outlet, arrange the 4th Electric air valve, arrange the 5th Electric air valve in the second air outlet.
In above-mentioned joint operating device, mobile thermal-insulation baffle plate selects polyurethane heat insulation material.
In above-mentioned joint operating device, in freezer and refrigerator, difference set temperature sensor, to gather respective temperature signal, to control the duty of Electric air valve, changes under different operating state.
In the inventive solutions, originally traditional independent return air blowing system is integrated, every platform evaporimeter all connects air outlet and the air outlet of freezer and refrigerator, opened and closed by the air-valve in two aircrew cooperation air-supply passage and realize different combination (two air-supply two return air, or the method for operation of two air-supply one return air), carry out cold distribution according to demand between freezing and refrigeration, realize the fast cooling of food and optimum storage.During due to food supply and demand variable effect cold reserves, for improving freezer utilization rate, capacity ratio between freezing and refrigeration can be regulated in real time by the thermal-insulation baffle plate between motor or manual mobile freezing and refrigeration, the method optimizing air current composition of two air-supply one return air can be realized by adjusting air valve in some cases simultaneously.
When using above-mentioned joint operating device of the present invention, according to different instructions for use, by the duty of the position and all Electric air valve that adjust mobile thermal-insulation baffle plate, as follows with the different operational modes realizing joint operating device:
The first pattern, i.e. freezing and refrigeration pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter is separately for freezer provides heat exchange, and the second air-cooled evaporimeter is separately for refrigerator provides heat exchange.
The second pattern, i.e. fast cooling pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter and the second air-cooled evaporimeter are by common air outlet and return air inlet for freezer provides heat exchange, and mobile thermal-insulation baffle plate position is in freezer central authorities (between the first air outlet and the second air outlet).
The third pattern, i.e. single freezing or refrigeration pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter and the second air-cooled evaporimeter can by common return air inlet and respective air outlet for freezer or refrigerator provide heat exchange, mobile thermal-insulation baffle plate position is in the side (such as between the first return air inlet and the first air outlet, or between the second air outlet and the second return air inlet) of freezer.First air-cooled evaporimeter and the second air-cooled evaporimeter also can by respective air outlet and return air inlet for freezer or refrigerator provide heat exchange, and mobile thermal-insulation baffle plate position is in the rightmost side of freezer or the leftmost side.
Operation principle of the present invention is: under normal freezing and refrigeration pattern, and freezer and refrigerator run under respective refrigeration mode.When freezer and refrigerator have new food product refrigeration or storage, because the reasons such as the unlatching of storehouse door and FF heat radiation cause freezer intensification too high, open two-shipper group associating quick-frozen pattern, adjusting air valve fit system realizes fast cooling in storehouse, in fast food freezing and precooling, two-shipper group can be utilized equally to combine cooling to reach optimum efficiency, be conducive to shortening food temperature fall time and improve preservation quality.Coordinate removable thermal insulation dividing plate to improve the flexibility of freezer cold distribution and the flexibility of high/low temperature storage capacity simultaneously.In view of the manual operation of freezer becomes relative complex, can be controlled by automation control systems such as PLC that air-valve opens and closes, Unit Commitment switches with the automation realizing refrigeration unit isolated operation pattern and combined operation approach for this reason.
Compared with prior art, technical scheme of the present invention provides the freezing-cooling storeroom of variable volume and the device of freezer quick-frozen food under devising a set of cooperation different capabilities, not only meet the capacity regulating of freezer high temperature storehouse and Freezing room under the different demand of food, improve the capacity utilization of freezer; And achieve fast food freezing and precooling storage integration, be conducive to improving food fresh keeping quality.Achieve economize energy on the whole, improve the function of freezer economic benefit, there is following beneficial effect:
(1) optimum allocation of cold in the situations such as freezer fast cooling, precooling treatment and freezing and refrigeration can be realized by the combine regulation of two-shipper group, improve the preservation quality of food, realize the multifunction of freezer, increase economic benefit.
(2) movable heat-preservation dividing plate can realize the flexibility of capacity between Food Freezing and Cold Storage under different supply-demand relationship, and under efficiently solving seasonal variety, refrigerator is not enough, the phenomenon of freezer relative surplus.
(3) when freezer single-mode preserved food products, mobile thermal-insulation baffle plate is coordinated to optimize air current composition in storehouse by two-shipper group joint control and regulation air-valve.
Accompanying drawing explanation
Fig. 1 is the structural configuration schematic diagram of joint operating device of the present invention, wherein 1-1 is the first compressor bank, 1-2 is the second compressor bank, 2-1 is the first magnetic valve, 2-2 is the second magnetic valve, 3-1 is the first heating power expansion valve, 3-2 is the second heating power expansion valve, 4-1 is the first air-cooled evaporimeter, 4-2 is the second air-cooled evaporimeter, 5 is the first Electric air valve, 6 is the second Electric air valve, 7 is the 3rd Electric air valve, 8 is the 4th Electric air valve, 9 is the 5th Electric air valve, 10 is the 6th Electric air valve, 11 is mobile thermal-insulation baffle plate, 12-1 is the first air-supply passage, 12-2 is the second air-supply passage, 13-1 is the first return air inlet, 13-2 is the first air outlet, 13-3 is the second air outlet, 13-4 is the second return air inlet.
Fig. 2 is joint operating device of the present invention supply air system principle schematic under freezing and refrigeration pattern, and wherein 4-1 is the first air-cooled evaporimeter, 4-2 be the second air-cooled evaporimeter, 5 be the first Electric air valve, 6 be the second Electric air valve, 7 be the 3rd Electric air valve, 8 be the 4th Electric air valve, 9 be the 5th Electric air valve, 10 be the 6th Electric air valve, 11 is mobile thermal-insulation baffle plate.
Fig. 3 is joint operating device of the present invention supply air system principle schematic under snap frozen pattern, and wherein 4-1 is the first air-cooled evaporimeter, 4-2 be the second air-cooled evaporimeter, 5 be the first Electric air valve, 6 be the second Electric air valve, 7 be the 3rd Electric air valve, 8 be the 4th Electric air valve, 9 be the 5th Electric air valve, 10 be the 6th Electric air valve, 11 is mobile thermal-insulation baffle plate.
Fig. 4 is joint operating device of the present invention supply air system principle schematic under single frozen mode, and wherein 4-1 is the first air-cooled evaporimeter, 4-2 be the second air-cooled evaporimeter, 5 be the first Electric air valve, 6 be the second Electric air valve, 7 be the 3rd Electric air valve, 8 be the 4th Electric air valve, 9 be the 5th Electric air valve, 10 be the 6th Electric air valve, 11 is mobile thermal-insulation baffle plate.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
The structural configuration schematic diagram of joint operating device of the present invention as shown in Figure 1, wherein 1-1 is the first compressor bank, 1-2 is the second compressor bank, 2-1 is the first magnetic valve, 2-2 is the second magnetic valve, 3-1 is the first heating power expansion valve, 3-2 is the second heating power expansion valve, 4-1 is the first air-cooled evaporimeter, 4-2 is the second air-cooled evaporimeter, 5 is the first Electric air valve, 6 is the second Electric air valve, 7 is the 3rd Electric air valve, 8 is the 4th Electric air valve, 9 is the 5th Electric air valve, 10 is the 6th Electric air valve, 11 is mobile thermal-insulation baffle plate, 12-1 is the first air-supply passage, 12-2 is the second air-supply passage, 13-1 is the first return air inlet, 13-2 is the first air outlet, 13-3 is the second air outlet, 13-4 is the second return air inlet.
In joint operating device, be made up of freezer and refrigerator, mobile thermal-insulation baffle plate is set between the two, to realize mobile (namely can change the volume ratio relation of freezer and refrigerator) between freezer and refrigerator, and thermal insulation (selecting polyurethane heat insulation material) between the two can be realized.Freezer arranges two air ports (the first return air inlet and the first air outlet), refrigerator arranges two air ports (the second air outlet and the second return air inlet).In freezer and refrigerator, difference set temperature sensor, to gather respective temperature signal, to control the duty of Electric air valve, changes under different operating state.
First compressor bank is connected with the first air-cooled evaporator pipeline, and installs the first magnetic valve and the first heating power expansion valve at pipeline; Second compressor bank is connected with the second air-cooled evaporator pipeline, and installs the second magnetic valve and the second heating power expansion valve at pipeline.
The air outlet of the first air-cooled evaporimeter is connected by the second air-supply passage with the air outlet of the second air-cooled evaporimeter, and arranges the second Electric air valve in the second air-supply passage; The air inlet of the first air-cooled evaporimeter is connected by the first air-supply passage with the air inlet of the second air-cooled evaporimeter, and arranges the first Electric air valve in the first air-supply passage.
Two subchannels of the first air-supply passage are connected with the first return air inlet, the second return air inlet respectively, and in the first return air inlet, arrange the 3rd Electric air valve, arrange the 6th Electric air valve in the second return air inlet.
Two subchannels of the second air-supply passage are connected with the first air outlet, the second air outlet respectively, and in the first air outlet, arrange the 4th Electric air valve, arrange the 5th Electric air valve in the second air outlet.
The integral type compressor bank of 5HP and 3HP is selected to be respectively the first compressor bank, the second compressor bank, it is outside that two typhoon cold type evaporimeters are positioned at cold storage locker top, by air-supply passage, cold is sent in storehouse, the air outlet of every platform evaporator blowing passage and return air inlet all UNICOM's freezer and refrigerators, install Electric air valve (as shown in Figure 1) at each corresponding site.The gas of low-temp low-pressure, by becoming the gas of HTHP after compressor work, is become the liquid of low-temp low-pressure after air cooled condenser from the throttling action of heating power expansion valve, then follow storehouse environment heat exchange by air-cooled evaporimeter.Moveable partition board is moved left and right with realization by pulley, guide rail and motor, all thermal insulation strip plate is housed outside the surrounding of moveable partition board, guarantees freezer and the good heat-proof quality of refrigerator.Each air-valve is equipped with supporting motor, can realize the keying of air-valve.
When using above-mentioned joint operating device of the present invention, according to different instructions for use, by the duty of the position and all Electric air valve that adjust mobile thermal-insulation baffle plate, as follows with the different operational modes realizing joint operating device:
The first pattern, i.e. freezing and refrigeration pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter is separately for freezer provides heat exchange, and the second air-cooled evaporimeter is separately for refrigerator provides heat exchange.
As shown in Figure 2: the first Electric air valve 5, second Electric air valve 6 is in closed condition, 3rd Electric air valve 7, the 4th Electric air valve 8, the 5th Electric air valve 9, the 6th Electric air valve 10 are in opening, mobile thermal-insulation baffle plate position is in freezer central authorities (between the first air outlet and the second air outlet), the supply air system of two integral type compressor bank is separately independently, first compressor bank 5HP provides heat exchange for freezer, and the second compressor bank 3HP provides heat exchange for refrigerator.Circulated air enters after air-cooled evaporimeter is lowered the temperature by heat exchange from return air inlet and enters in storehouse from air outlet, to realize the effect of the temperature maintaining freezer and refrigerator respectively.
The second pattern, i.e. fast cooling pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter and the second air-cooled evaporimeter are by common air outlet and return air inlet for freezer provides heat exchange, and mobile thermal-insulation baffle plate position is in freezer central authorities (between the first air outlet and the second air outlet).
As shown in Figure 3: the first Electric air valve 5, second Electric air valve 6, the 3rd Electric air valve 7, the 4th Electric air valve 8 are in opening, 5th Electric air valve 9, the 6th Electric air valve 10 are in closed condition, mobile thermal-insulation baffle plate position is in freezer central authorities (between the first air outlet and the second air outlet), according to use requirement, expand freezer storage capacity, by mobile thermal-insulation baffle plate position on the position near the second air outlet.When freezer causes storehouse temperature to fluctuate larger in fast food freezing, precooling storage and the reason such as artificial, this fast-refrigerating pattern can be used.Example is increased to freezer storage capacity, by mobile thermal-insulation baffle plate position on the position near the second air outlet, freezer can be realized by the transformation of 2/1 to three/3rds capacity accounting for freezer total measurement (volume), to meet the storage of new food, now the circulated air of freezer is from return air inlet simultaneously by two typhoon cold type evaporator heat exchange coolings, then all gets back in freezer from the air outlet of freezer.Namely the first compressor bank 5HP and the second compressor bank 3HP combines for freezer provides heat exchange, carries out fast cooling to freezer.Two-shipper group is combined cooling and is added refrigerating capacity, reduces the time that the cooling of food is freezing, and for cryogenic temperature for-18 DEG C, cooling time 30% of can saving time, achieves quick-frozen effect.When after the temperature that the temperature of freezer reaches set, fast cooling pattern is become the first pattern (i.e. freezing and refrigeration pattern), namely use the temperature in the first compressor bank 5HP maintenance freezer.
In freezer fast cooling process, because refrigerator does not carry out exchange heat, refrigerator temperature can be caused to rise, when refrigerator temperature reaches in limited time, regulate snap frozen pattern to become freezing and refrigeration pattern, after to be refrigerated temperature drops to target temperature, regulate freezing and refrigeration pattern to become snap frozen pattern again.
The third pattern, i.e. single freezing or refrigeration pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter and the second air-cooled evaporimeter can by common return air inlet and respective air outlet for freezer or refrigerator provide heat exchange, mobile thermal-insulation baffle plate position is in the side (such as between the first return air inlet and the first air outlet, or between the second air outlet and the second return air inlet) of freezer.First air-cooled evaporimeter and the second air-cooled evaporimeter also can by respective air outlet and return air inlet for freezer or refrigerator provide heat exchange, and mobile thermal-insulation baffle plate position is in the rightmost side of freezer or the leftmost side.
In certain circumstances, freezer only needs freezing or cold storage function to preserve food, not only can realize freezer height capacity utilization by the mobile heat room plate of the online cooperation of two-shipper group for this reason, reduce enclosed structure heat dissipation capacity and save cold, but also air-flow layout in storehouse can be optimized.
As shown in Figure 4: the first Electric air valve 5, second Electric air valve 6, the 3rd Electric air valve 7, the 4th Electric air valve 8, the 5th Electric air valve 9 are in opening, 6th Electric air valve 10 is in closed condition, mobile thermal-insulation baffle plate position is in freezer side (such as between the second air outlet and the second return air inlet), according to use requirement, expand corresponding storage capacity.
Circulated air enters two evaporimeters from the return air inlet of freezer through air-supply passage, after heat exchange cooling, gets back in freezer respectively from the air outlet of freezer and refrigerator, realizes uniform air flow and arranges, reduce the discrete type of temperature of ice house, reduce temperature fall time.
Under single freezing or refrigeration pattern, freezer starts under in temperature-fall period, two-shipper group jointly controls, and the first and second compressor bank provide heat exchange jointly; If moveable partition board moves to storehouse body low order end, conventional freezing refrigeration pattern can be converted to, open Electric air valve 7,8,9,10, close Electric air valve 5,6.When storehouse temperature reaches refrigerated storage temperature, close refrigerant condenser group, realize food refrigerated, when temperature reaches cryogenic temperature, close refrigeration compressor bank, realize food product refrigeration.
Three models is not isolated, and Three models is jointly worked in coordination with, switched the optimum performance having reached freezer under certain conditions.Such as just start must start fast cooling pattern in food temperature-fall period, when waiting food temperature to reach reserve temperature, opened conventional freezing refrigeration pattern.The operation of this new equipment has certain complexity, the automatic operating of freezer pattern switching can be realized by the control technology of comparative maturity, the temperature that can detect freezer freezer refrigerator by PLC is carried out adjusting air valve and is opened and closed and the operation conditions of two-shipper group, save human resources, improve freezer operational efficiency.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.

Claims (8)

1. variable volume freezing-cooling storeroom two-shipper group joint operating device, it is characterized in that, comprise the first compressor bank, the second compressor bank, the first magnetic valve, the second magnetic valve, the first heating power expansion valve, the second heating power expansion valve, the first air-cooled evaporimeter, the second air-cooled evaporimeter, the first air-supply passage, the second air-supply passage, the freezer that is made up of freezer and refrigerator, mobile thermal-insulation baffle plate is set between the two;
First compressor bank is connected with the first air-cooled evaporator pipeline, and on pipeline, install the first magnetic valve and the first heating power expansion valve; Second compressor bank is connected with the second air-cooled evaporator pipeline, and on pipeline, install the second magnetic valve and the second heating power expansion valve;
The air outlet of the first air-cooled evaporimeter is connected by the second air-supply passage with the air outlet of the second air-cooled evaporimeter, and arranges the second Electric air valve in the second air-supply passage; The air inlet of the first air-cooled evaporimeter is connected by the first air-supply passage with the air inlet of the second air-cooled evaporimeter, and arranges the first Electric air valve in the first air-supply passage; Freezer arranges the first return air inlet and the first air outlet, refrigerator arranges the second air outlet and the second return air inlet;
Two subchannels of the first air-supply passage are connected with the first return air inlet, the second return air inlet respectively, and in the first return air inlet, arrange the 3rd Electric air valve, arrange the 6th Electric air valve in the second return air inlet;
Two subchannels of the second air-supply passage are connected with the first air outlet, the second air outlet respectively, and in the first air outlet, arrange the 4th Electric air valve, arrange the 5th Electric air valve in the second air outlet.
2. variable volume freezing-cooling storeroom two-shipper group joint operating device according to claim 1, it is characterized in that, described mobile thermal-insulation baffle plate selects polyurethane heat insulation material.
3. variable volume freezing-cooling storeroom two-shipper group joint operating device according to claim 1, it is characterized in that, difference set temperature sensor in described freezer and refrigerator, to gather respective temperature signal, to control the duty of Electric air valve, change under different operating state.
4. the operation method of the variable volume freezing-cooling storeroom two-shipper group joint operating device as described in one of claim 1-3, it is characterized in that, by the duty of the position and all Electric air valve that adjust mobile thermal-insulation baffle plate, as follows with the different operational modes realizing joint operating device:
The first pattern, i.e. freezing and refrigeration pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter is separately for freezer provides heat exchange, and the second air-cooled evaporimeter is separately for refrigerator provides heat exchange;
The second pattern, i.e. fast cooling pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, the first air-cooled evaporimeter and the second air-cooled evaporimeter by common air outlet and return air inlet for freezer provides heat exchange;
The third pattern, i.e. single freezing or refrigeration pattern, first compressor bank and the first air-cooled evaporimeter realize heat exchange, second compressor bank and the second air-cooled evaporimeter realize heat exchange, first air-cooled evaporimeter and the second air-cooled evaporimeter by common return air inlet and respective air outlet for freezer or refrigerator provide heat exchange, mobile thermal-insulation baffle plate position is in the side of freezer, or the first air-cooled evaporimeter and the second air-cooled evaporimeter by respective air outlet and return air inlet for freezer or refrigerator provide heat exchange, mobile thermal-insulation baffle plate position is in the rightmost side of freezer or the leftmost side.
5. the operation method of variable volume freezing-cooling storeroom two-shipper group joint operating device according to claim 4, is characterized in that, when carrying out the first pattern, mobile thermal-insulation baffle plate position is central namely between the first air outlet and the second air outlet in freezer.
6. the operation method of variable volume freezing-cooling storeroom two-shipper group joint operating device according to claim 4, it is characterized in that, when carrying out the second pattern, mobile thermal-insulation baffle plate position is in freezer central authorities, namely, between the first air outlet and the second air outlet, according to use requirement, freezer storage capacity is expanded, by mobile thermal-insulation baffle plate position on the position near the second air outlet, realize freezer by the transformation of 2/1 to three/3rds capacity accounting for freezer total measurement (volume).
7. the operation method of variable volume freezing-cooling storeroom two-shipper group joint operating device according to claim 4, it is characterized in that, when carrying out the second pattern, because refrigerator does not carry out exchange heat, refrigerator temperature can be caused to rise, when refrigerator temperature reaches in limited time, regulate snap frozen pattern to become freezing and refrigeration pattern, after to be refrigerated temperature drops to target temperature, regulate freezing and refrigeration pattern to become snap frozen pattern again.
8. the operation method of variable volume freezing-cooling storeroom two-shipper group joint operating device according to claim 4, it is characterized in that, when carrying out the third pattern, first air-cooled evaporimeter and the second air-cooled evaporimeter by common return air inlet and respective air outlet for freezer or refrigerator provide heat exchange, mobile thermal-insulation baffle plate position between first return air inlet and the first air outlet of freezer, or between the second air outlet and the second return air inlet.
CN201410102759.0A 2014-03-19 2014-03-19 Variable volume freezing-cooling storeroom two-shipper group joint operating device and operation method thereof CN103868308B (en)

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