CN205102484U - Domestic refrigerator with cold -storage device - Google Patents

Abstract

The utility model relates to a refrigeration technology field especially relates to domestic refrigerator. A domestic refrigerator with cold -storage device, is including thermal -insulated keep -alive room and warm a plurality of walk -ins, freezer and the cold -storage device of mutual thermal -insulated and independent accuse. The compressor utilizes peak valley electric refrigeration at night, cold volume is stored in the cold -storage device, when needs reduce keep -alive room temperature, controller control air cycle, the air carries cold aquatic of measuring the keep -alive room, reduce the temperature of keep -alive room, adjust amount of wind size and just can control the size of the cold volume of spreading into the keep -alive room into and the speed of cooling down, reach dynamic balance at last, the cold cold volume of giving off with the keep -alive room of measuring that the keep -alive room is poured into into to unit interval equals, the temperature maintains a less interval, improve the temperature -controlled precision of keep -alive room like this, the aquatic products keep -alive time has been prolonged, avoid the compressor frequently to start, electric energy is thus saved.

Description

There is the domestic refrigerator of cold-storage device

Technical field

The utility model relates to refrigeration technology field, particularly relates to domestic refrigerator.

Background technology

Aquatic products mainly comprise fish, Shrimp waste, shellfish, algae, special aquatic products product and process water product.The mode of production mainly contains to be fished for and cultivates, and utilize ocean and inland waters to produce, cultured fishes are consumed with fresh and alive form, fish for product and consume with the form of frozen goods, and algae consumes with processed goods form.Fish nutrition is abundant, epidermis protective capability is poor, enzymatic activity comparatively by force, fish surface, the gill and digestive system contain a large amount of spoilage organisms.Fish body after stiff, start again little by little to soften, loses elasticity, and this is that in fish body, contained various enzyme is to the result of fish body disintegrate, and this change is called autolysis.Although the fish body of autolysis is still in fresh state, autolysis and decay process are almost parallel to carry out, and therefore must avoid the generation of autolysis as far as possible, makes fish body remain in the stiff phase as far as possible, could keep the freshness of fish.Fish are under the effect of microorganism, and the protein in fish body, amino acid and other nitrogen substance are broken down into the low products such as ammonia, trimethylamine, indoles, histamine, hydrogen sulfide, and make fish body produce the stink with corrupt feature, this process is called corruption.Corrupt aquatic products may be poisoning, and most consumers cannot accurately determine whether poisonous.

Keep-alive is a special category of preservation of fishery, is to keep the most effective mode of aquatic products freshness, is a kind of technology that difficulty is larger.Water keep-alive is had mainly to consider fish body situation, means of transportation, temperature, shipment density, oxygen supply, metabolite, water quality, haulage time.Waterless keep-alive mainly should be considered cooling method, be supported program, packaging material temporarily.Oxygen enhancement keep-alive is applicable to freshwater fish more.Anaesthesia keep-alive uses chemical agent, only for parent population, fry.Low temperature process keep-alive is the ecological ice-temperature according to aquatic livestock, adopts low temperature process to make fish half hibernation or hibernation, can reach the object of long-time keep-alive.Be utilize the short-terms such as eel, crab, shellfish to bear the strong feature of lack of water ability without water law keep-alive, adopt the anhydrous wet method state keep-alive keeping certain low temperature and humidity.First, life and death critical-temperature and the freezing point of different aquatic products are different, fish ecological ice-temperature about 7 DEG C, and the ice warm area of stalwart blood clam is-2.3 ~ 0 DEG C, Ruditapes philippinarum-1.7 ~ 1.5 DEG C, only could adopt temperature control method to make live body be in dormancy or semidormancy state in ice warm area; Secondly, slow gradient cooling, lowering the temperature per hourly is no more than 5 DEG C; Finally, container should be closing temperature control formula, keeps the humidity in container, and considers the supply of oxygen.

Animal dormancy is that animal conforms, do not eat lazy dynamic, reflex activity declines, be in comatose physiological phenomenon, be in animal breath and the decreased heart rate of resting state, body temperature reduces, basal metabolic rate declines, all life activity is all down to bottom line in a word, only relies on the material of storage in body to sustain life, and vital movement has almost arrived the state dimension stopped.Poikilotherm is not owing to possessing Thermoregulation ability, and its body temperature can only change with the change of environment temperature, thus works as environmental condition, especially temperature, when being unsuitable for its physiological activity, animal is just in palsy passively and enters dormancy, and environmental condition is recovered can not go out to sleep normally.Their breathing, by gradually slowly to almost stopping, pulse is also corresponding becomes very faint, and body temperature more straight line decline, can reach ecological ice-temperature.

Patent document " waterless keep-alive device and have the refrigerator (CN201510006481.1) of this waterless keep-alive device " have studied waterless keep-alive humid control and gas controls." a kind of refrigerator (CN201510108371.6) with keepalive feature " have studied humid control, temperature control, gas concentration lwevel, oxygen concentration and oxygenerator and controls." a kind of fresh-keeping refrigerator (CN201510128535.1) with keep-alive aquatile function " have studied purification keep-alive room air, improves keep-alive indoor oxygen content and have degerming, to eliminate the unusual smell function ion generator and ventilation equipment.

Existing domestic refrigerator controller detected temperatures sensor signal, the start and stop that controller controls compressor realize controlling the temperature of refrigerating chamber, refrigerating chamber, and temperature fluctuates in the interval of a setting.Existing domestic refrigerator refrigerating chamber can keep-alive aquatic products; but the keep-alive time is shorter; because temperature-controlled precision is not high; be difficult to accurately to ensure that temperature of refrigerating chamber is higher than the critical-temperature of aquatic products life and death and the temperature stabilization of refrigerating chamber is interval at the ecological ice-temperature of aquatic products; therefore, a kind of domestic refrigerator with cold-storage device is provided, accurately controls cooling rate; guarantee that the constant ecological ice-temperature at aquatic products of keep-alive room temperature is interval, become the industry technical issues that need to address.

Summary of the invention

The utility model technical issues that need to address are: the process that cold compartment of refrigerator absorbs heat in environment is the progressive process of continuous print; by controlling compressor operating and stopping the process controlling the temperature constant of refrigerating chamber to be a process of being interrupted; temperature fluctuation range is larger; and aquatic products dormancy requires higher than the critical-temperature of aquatic products life and death; the water temperature stability of keep-alive room is in the ecological ice-temperature district of aquatic products; temperature fluctuation interval is less, and control temperature precision is high.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of domestic refrigerator with cold-storage device, comprises multiple refrigerating chambers, refrigerating chamber, the cold-storage device of heat insulation keep-alive room and mutually heat insulation and independent temperature control; Connect with pipeline between cold-storage device with keep-alive room, connect with pipeline between air-supply arrangement with cold-storage device.Compressor utilizes peak-trough electricity refrigeration at night, and cold is stored in cold-storage device; Save the electric cost expenditure of user.Controller detects the temperature of water in keep-alive room, according to imposing a condition, when needs reducing water temperature, starting air-supply arrangement air-supply and entering cold-storage device, through heat exchange, after air cooling-down, injecting the water of keep-alive room.The air carrying cold outputs to the how empty deflector of hollow being placed in keep-alive room bottom section, forms the bubble floated, is beneficial to keep-alive room temperature relatively uniform.Regulating air volume just can control the size of flowing cold, thus control water temperature underspeeds, minimum 0.1 DEG C/h of cooling rate, maximum 10 DEG C/h; Last water temperature reaches interval by the aquatic products ecological ice-temperature of keep-alive, and the cold that the unit interval injects keep-alive room is equal with the cold that keep-alive room is distributed, and reach dynamic equilibrium, temperature maintains a less waving interval.The rotating speed of controller regulating air feeding device motor, can regulating air volume; Or on pipeline, use electromagnetic flow control valve also can regulate regulating air volume.Detect the temperature of outcase of refrigerator, predict the heat that the keep-alive room of refrigerator absorbs from environment, revise the injection rate of subsequent period cold, improve temperature-controlled precision.

Cold-storage device comprises temperature sensor, air inlet, gas outlet, heat-insulation layer, heat exchanger, fin, cool storage medium, evaporimeter, refrigerant inlet and refrigerant outlet, cool storage medium and evaporimeter are by heat exchanger heat-shift, and cool storage medium and air are by heat exchanger heat-shift.Fill Heat Conduction Material between heat exchanger and evaporimeter, such as heat conductive silica gel, ensure good heat conductive between the two; Have the refrigerating chamber of multiple heat insulation, independent temperature control, one of them can be used as cold-storage device after installing heat-exchange device.The air inlet of air-supply arrangement is provided with filter and prevents aspirated foreign body.

Accompanying drawing explanation

Fig. 1 is the structural representation of the keep-alive room of the domestic refrigerator with cold-storage device.

Fig. 2 is cold-storage device 1 structural representation.

Fig. 3 is cold-storage device 2 structural representation.

101 holding wires, 102 controllers, 103 air inlet pipe, 104 elastic positioning devices, 105 air-supply arrangements, 106 fixed gates, 107 sliding doors, 108 electromagnetic flow control valves, 109 cold-storage devices, 110 pipeline 1,111 pipeline 2,112 pipeline 3,113 sewage sumps, 114 dividing plates, 115 aquatic products, 116 separated sewage boards, the how empty deflector of 117 hollow, 119 temperature sensors, 119 skin temperature sensor;

201 air inlets, 202 heat-insulation layers, 203 heat exchangers, 204 gas outlets, 205 connect seam, 206 cool storage mediums, 207 fins, 208 refrigerant inlets, 209 refrigerant outlets, 210 evaporimeters; 211 temperature sensors;

301 air inlets, 302 heat-insulation layers, 303 heat exchangers, 304 gaps, 305 gas outlets, 306 connect seam, 307 cool storage mediums, 308 fins, 309 refrigerant inlets, 310 refrigerant outlets; 311 heat-conducting plates, 312 evaporimeters, 313 temperature sensors.

Detailed description of the invention

Embodiment 1: as Fig. 1 has shown in the structural representation of the keep-alive room of the domestic refrigerator of cold-storage device, user opens 107 sliding doors of the keep-alive room of slip, 114 dividing plates are put in keep-alive indoor, inject appropriate fresh water or seawater, 115 aquatic products are put into wherein, by the title of the aquatic products of 102 controller input equipment input keep-alives, different aquatic products kind has different ecological ice-temperatures, controller is according to the kind of aquatic products, best keepalive parameter is selected in the tables of data stored, as cooling rate, 102 controllers start 105 air-supply arrangements, 105 air-supply arrangements suck keep-alive room air, 102 controllers regulate 108 electromagnetic flow control valves, the air of part or all of flowing is after 109 cold-storage device coolings, bottom keep-alive room, bubble is formed again through 117 hollow perforated baffles, bubble floating, by cold conduction feedwater.In bubble, oxygen dissolves in water simultaneously, and the carbon dioxide in water infiltrates bubble, completes heat and gas exchanges.116 separated sewage boards are installed in bottom, and excreta concentrates on 113 sewage sumps.

Such as, if use the air-supply arrangement of speed governing, the rotating speed of controller regulating air feeding device motor, can regulating air volume, just do not need 108 electromagnetic flow control valves, only a reversal valve need be installed, control air and whether pass through cold-storage device.Or on pipeline, use 108 electromagnetic flow control valves also can regulate regulating air volume.Detect the temperature of outcase of refrigerator, predict the heat that the keep-alive room of refrigerator absorbs from environment, revise the injection rate of subsequent period cold, improve temperature-controlled precision.

As shown in Fig. 2 cold-storage device 1 structural representation, cold-storage device comprises 201 air inlets, 202 heat-insulation layers, 203 heat exchangers, 204 gas outlets, 205 connection seams, 206 cool storage mediums, 207 fins, 208 refrigerant inlets, 209 refrigerant outlets, 210 evaporimeters; 211 temperature sensors; 210 evaporimeters and 206 cool storage mediums are by 203 heat exchanger heat-shifts, and air and 206 cool storage mediums are by 203 heat exchanger heat-shifts.Fill heat conductive silica gel between 203 heat exchangers and 210 evaporimeters, ensure good heat conductive between the two; Have the refrigerating chamber of multiple heat insulation, independent temperature control, one of them can be used as cold-storage device after installing heat-exchange device.

As shown in Fig. 3 cold-storage device 2 structural representation, cold-storage device comprises 301 air inlets, 302 heat-insulation layers, 303 heat exchangers, 304 gaps, 305 gas outlets, 306 connection seams, 307 cool storage mediums, 308 fins, 309 refrigerant inlets, 310 heat-conducting plates; 311 refrigerant outlets, 312 evaporimeters, 313 temperature sensors.312 evaporimeters and 307 cool storage mediums are by 303 heat exchanger heat-shifts, and air and 307 cool storage mediums are by 303 heat exchanger heat-shifts.Fill heat conductive silica gel between 303 heat exchangers and 312 evaporimeters, ensure good heat conductive between the two.

Embodiment 2:

Build the keep-alive room test of the domestic refrigerator with cold-storage device; keep-alive room cooling rate is set as 3 DEG C per hour; ecological ice-temperature control temperature is set as 6 DEG C; a keep-alive room valve scavenging is opened at interval for 6 hours; interval is manual after 12 hours changes water 1/3rd; the coolant-temperature gage that will change to is formulated to the water temperature of keep-alive room, avoids the water changed to cause the water temperature big ups and downs of keep-alive room.

Buy Pelteobagrus fulvidraco from food market, select 3, quality about 528 grams, puts into experimental provision, and keep-alive starts death after 51 hours.Select 3, quality about 506 grams, put into the keep-alive of general refrigerator refrigerating chamber after 18 hours, start dead.Buy from plant and support Pelteobagrus fulvidraco temporarily through stopping eating, select 3, quality about 532 grams, puts into experimental provision, and keep-alive starts death after 62 hours.Select 3, quality about 515 grams, general refrigerator refrigerating chamber keep-alive 23 hours, start dead.

In sum, the utility model has following beneficial effect:

Improve keep-alive room temperature-controlled precision, water ventilation is changed in auxiliary craft, obviously can extend the keep-alive time of aquatic products.Cold-storage device cooling avoids high frequent to start, and improves the temperature-controlled precision of keep-alive room, peak-trough electricity refrigeration power cost saving.

In a word; although the utility model lists above-mentioned preferred embodiment; but should illustrate; although those skilled in the art can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present utility model, otherwise all should be included in protection domain of the present utility model.

Claims (8)

1. there is a domestic refrigerator for cold-storage device, comprise multiple refrigerating chambers, refrigerating chamber, the cold-storage device of heat insulation keep-alive room and mutually heat insulation and independent temperature control; Compressor utilizes peak-trough electricity refrigeration at night, and cold is stored in cold-storage device, it is characterized in that: connect with pipeline between cold-storage device with keep-alive room, connects between air-supply arrangement with cold-storage device with pipeline.

2. according to the domestic refrigerator with cold-storage device according to claim 1, it is characterized in that: the rotating speed of regulating air feeding device motor, just energy regulating air volume; Or on pipeline, use electromagnetic flow control valve regulating air volume.

3. according to the domestic refrigerator with cold-storage device according to claim 1, it is characterized in that: cold-storage device comprises temperature sensor, air inlet, gas outlet, heat-insulation layer, heat exchanger, fin, cool storage medium, evaporimeter, refrigerant inlet and refrigerant outlet, cool storage medium and evaporimeter are by heat exchanger heat-shift, and cool storage medium and air are by heat exchanger heat-shift.

4. according to the domestic refrigerator with cold-storage device according to claim 1, it is characterized in that: the air carrying cold outputs to the how empty deflector of hollow being placed in keep-alive room bottom section, form the bubble floated.

5. according to the domestic refrigerator with cold-storage device according to claim 1, it is characterized in that: the temperature detecting outcase of refrigerator that the heat that prediction refrigerator absorbs from environment improves temperature-controlled precision.

6. according to the domestic refrigerator with cold-storage device according to claim 1, it is characterized in that: the refrigerator with the refrigerating chamber of multiple heat insulation, independent temperature control, one of them can be used as cold-storage device after installing heat-exchange device and pipeline.

7. according to the domestic refrigerator with cold-storage device according to claim 1, it is characterized in that: the air inlet of air-supply arrangement is provided with filter and prevents aspirated foreign body.

8., according to the domestic refrigerator with cold-storage device according to claim 3, it is characterized in that: between heat exchanger and evaporimeter, fill Heat Conduction Material.