CN105987555A - Ice-water cold storage constant-temperature refrigerated container and control method - Google Patents
Ice-water cold storage constant-temperature refrigerated container and control method Download PDFInfo
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- CN105987555A CN105987555A CN201510100050.1A CN201510100050A CN105987555A CN 105987555 A CN105987555 A CN 105987555A CN 201510100050 A CN201510100050 A CN 201510100050A CN 105987555 A CN105987555 A CN 105987555A
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Abstract
The invention relates to an ice-water cold storage constant-temperature refrigerated container and a control method and belongs to the field of household electric appliances. The ice-water cold storage constant-temperature refrigerated container is characterized in that an ice-water mixture is held in a water holding space, and an evaporator is arranged at the upper side of the water holding space, so that the pressure of ice/water phase change to a casing is effectively reduced, and further the deformation of a container body is prevented; and in addition, the condition that food stored near a heat conducting casing in a storage room is effectively prevented from being frozen injury, and temperature fluctuation in the ice-water cold storage constant-temperature refrigerated container is reduced. The control method disclosed by the invention comprises the following steps of respectively detecting a temperature value or a water level value in the water holding space by using a temperature sensor and a water level sensor; and then comparing the temperature value or the water level value with a temperature threshold or a water level threshold by a controller, and controlling the opening/stopping of a refrigeration system, thereby reducing the temperature fluctuation in the ice-water cold storage constant-temperature refrigerated container.
Description
Technical field
The present invention relates to a kind of frozen water cold-storage constant refrigeration case and control method, belong to household appliance technical field.
Background technology
nullRefrigerating box is used for cold storing and fresh-keeping food，Chinese patent application the CN200420012347.Xth discloses a kind of cold holding refrigeration refrigerator-freezer，It includes a refrigerating plant、One lagging casing、One liner、One upper cover，Wherein，Refrigerating plant is arranged at inner bottom surface or the medial surface of lagging casing，Liner is placed in lagging casing，Upper cover is placed on lagging casing，It is provided with cold accumulation container in lagging casing，This cold accumulation container is to make with the preferable material of thermal conductivity，It is filled with refrigerant in cold accumulation container，This refrigerant can be water etc.，It is provided with support column between two sidewalls of cold accumulation container，The top of cold accumulation container is provided with refrigerant hand-hole，Owing to the present invention is provided with cold accumulation container，After injecting refrigerant such as water in cold accumulation container，When electricity price is relatively low，Manual or automatic control refrigerating plant starts，Water in cold accumulation container is frozen into ice，In the high peak height electricity price electricity consumption period，Close refrigerating plant，Now，Ice in cold accumulation container releases cold air，Frozen food in preservation refrigeration refrigerator-freezer or fresh-keeping foodstuff，So，It can avoid the high peak height electricity price electricity consumption period，Reduce use cost，Additionally，Also can normally work use when having a power failure.But, due to above-mentioned cold holding refrigeration refrigerator-freezer owing to water becomes the expansion that volume after ice can be certain, compacting is produced to inner bag and shell, easily cause inner bag and casing deformation, thus shorten the service life of refrigerator, in addition, the refrigeration refrigerator-freezer of this cold-storage is to provide cold after water is all frozen into ice, so, cause the temperature fluctuation in refrigerator bigger.
Content of the invention
It is an object of the invention to provide a kind of frozen water cold-storage constant refrigeration case, box deformation can be prevented, and be prevented effectively from the interior food deposited near heat conduction shell of frostbite storing, and reduce the temperature fluctuation in frozen water cold-storage constant refrigeration case.
For realizing object defined above, the present invention adopts the following technical scheme that a kind of frozen water cold-storage constant refrigeration case, including casing and by the refrigeration system thinking described frozen water cold-storage constant refrigeration case cooling, described casing includes insulation shell and the heat conduction shell being arranged in described insulation shell, formed in described heat conduction shell in order to deposit food storing between, it is formed with water space between described insulation shell and heat conduction shell, described water space is built with mixture of ice and water, described refrigeration system includes the evaporimeter being arranged in described water space, described evaporimeter is positioned at the upside of water space, described frozen water cold-storage constant refrigeration case also includes the controller controlling described refrigeration system.
As a further improvement on the present invention, described evaporimeter be arranged at described heat conduction shell top and and described heat conduction shell between leave gap.
As a further improvement on the present invention, it is provided with the temperature sensor being connected with described controller or level sensor in described water space, described temperature sensor or level sensor detect the temperature value in water space or water level value respectively and are sent to controller, and described controller controls opening/stopping of refrigeration system according to the temperature value receiving or water level value.
As a further improvement on the present invention, described casing is additionally provided with and the drainpipe connecting in described water space and filler pipe.
As a further improvement on the present invention, the temperature in described water space is between 0 to 4 DEG C.
As a further improvement on the present invention, the outer wall of described heat conduction shell is provided with some reinforcements.
Present invention also offers the control method of a kind of frozen water cold-storage constant refrigeration case, described control method includes:
S1: described temperature sensor or level sensor detect temperature value or water level value in water space respectively；
S2: controller gathers described temperature value or water level value, compares the temperature value being collected or water level value with the temperature threshold in controller or watermark threshold；
S3: if temperature value is less than described temperature threshold, does not then start refrigeration system or refrigeration system is out of service, if temperature value reaches at or above described temperature threshold, then starts refrigeration system；
Or, if water level value is less than described watermark threshold, does not then start refrigeration system or refrigeration system is out of service, if water level value reaches at or above described watermark threshold, then start refrigeration system.
As a further improvement on the present invention, comprised the steps: before described step S1
Input preservation temperature on the controller；
Controller according to preservation temperature calculate required for temperature threshold or watermark threshold.
As a further improvement on the present invention, described temperature threshold is 0 ~ 4 DEG C.
The invention has the beneficial effects as follows: the present invention passes through at water space built with mixture of ice and water, and by being arranged on the upside of water space evaporimeter, thus box deformation can be prevented, and it is prevented effectively from the interior food deposited near heat conduction shell of frostbite storing, and the temperature fluctuation in reduction frozen water cold-storage constant refrigeration case, and the control method of the present invention detects the temperature value in water space or water level value respectively by temperature sensor or level sensor, then by controller, this temperature value or water level value are compared with temperature threshold or watermark threshold, control opening/stopping of refrigeration system, thus reduce the temperature fluctuation in frozen water cold-storage constant refrigeration case.
Brief description
Fig. 1 is the front section view of frozen water cold-storage constant refrigeration case in one embodiment of the invention.
Fig. 2 is the sectional view during vertical view of the frozen water cold-storage constant refrigeration case shown in Fig. 1, without mixture of ice and water.
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, the frozen water cold-storage constant refrigeration case in one embodiment of the invention include casing the 10th, be arranged on described casing 10 in and with the refrigeration system thinking described frozen water cold-storage constant refrigeration case cooling and the controller (not shown) controlling described refrigeration system.Described casing 10 includes insulation shell 1 and the heat conduction shell 3 being arranged in described insulation shell 1, is formed with to deposit between the storing of food 2, is formed with water space 4 between described insulation shell 1 and heat conduction shell 3 in described heat conduction shell 3.Described water space 4 is built with mixture of ice and water 5.Described refrigeration system includes the evaporimeter 6 being arranged in described water space 4, described evaporimeter 6 is positioned at the upside of water space 4, position with the ice obtained by control, the food deposited near heat conduction shell 3 can be prevented effectively between frostbite storing in 2, additionally, also improve ice making efficiency, contribute to energy-conservation, in order to further imitate the food avoiding between frostbite storing depositing near heat conduction shell 3 in 2, described evaporimeter 6 be arranged at described heat conduction shell 3 top and and described heat conduction shell 3 between leave gap.
In the present embodiment, the temperature in described water space 4 is between 0 to 4 DEG C.It is provided with the temperature sensor (not shown) being connected with described controller and level sensor (not shown) in described water space 4, described temperature sensor and level sensor detect the temperature value in water space 4 and water level value respectively and are sent to controller, and described controller controls opening/stopping of refrigeration system according to the temperature value receiving and water level value.Certainly, in other embodiments, one of temperature sensor and level sensor can be only set, thus controller controls opening/stopping of refrigeration system according to the temperature value receiving or water level value；Or be both provided with, controller controls opening/stopping of refrigeration system according to the temperature value receiving with water level value comprehensive analysis and judgement.
Being provided with metal rack (not shown) in 2 between described storing, described metal rack is held on heat conduction shell 3, and the outer wall of described heat conduction shell 3 is provided with some reinforcements (not shown), and this reinforcement is arc-shaped.Both can putting on article by this rack, can support again the two side of heat conduction shell 3, play the effect of opposing hydraulic pressure, to strengthen the intensity of heat conduction shell 3, additionally, by arranging reinforcement on the outer wall of heat conduction shell 3, to further function as the effect of opposing hydraulic pressure, i.e. further enhance the intensity of heat conduction shell 3.The drainpipe (not shown) being provided with on described casing 10 and connecting in described water space 4 and filler pipe (not shown), and the opening or close to carry out inlet/outlet operation of described water inlet pipe and filler pipe can be controlled by controller.
Incorporated by reference to Fig. 1 and Fig. 2, the control method of the frozen water cold-storage constant refrigeration case in one embodiment of the invention is used for controlling above-mentioned frozen water cold-storage constant refrigeration case, this frozen water cold-storage constant refrigeration case includes casing 10, refrigeration system and the controller of control refrigeration system, it is provided with between storing 2 and the water space 4 being formed at 2 peripheries between storing in casing 10, between storing, 2 are enclosed to set by heat conduction shell 3 and are formed, water space 4 is formed by heat conduction shell 3 and insulation shell 1, it is additionally provided with the temperature sensor being connected with described controller or level sensor in described water space 4, the drainpipe being provided with on described casing 10 and connecting in described water space 4 and filler pipe, described refrigeration system includes the evaporimeter 6 being arranged in described water space 4, described evaporimeter 6 is positioned at the upside of water space 4.Described control method includes:
S1: temperature sensor or level sensor detect temperature value or water level value in water space 4 respectively；
S2: controller gathers described temperature value or water level value, compares the temperature value being collected or water level value with the temperature threshold in controller or watermark threshold；
S3: if temperature value is less than described temperature threshold, does not then start refrigeration system or refrigeration system is out of service, if temperature value reaches at or above described temperature threshold, then starts refrigeration system；
Or, if water level value is less than described watermark threshold, does not then start refrigeration system or refrigeration system is out of service, if water level value reaches at or above described watermark threshold, then start refrigeration system.
When concrete use, when storage preservation temperature is different from existing temperature in frozen water cold-storage constant refrigeration case required for user, then needs to readjust preservation temperature, can carry out following steps before above-mentioned steps S1:
Input preservation temperature on the controller；
Controller according to preservation temperature calculate required for temperature threshold or watermark threshold.
In the present embodiment, described temperature threshold is 0 ~ 4 DEG C.
In another embodiment of the present invention, it is provided with the temperature sensor being connected with described controller and level sensor in described water space 4.Above-mentioned S2 step is: the temperature value collecting is compared with described temperature threshold and watermark threshold respectively by controller with water level value；
S3: if temperature value is less than described temperature threshold, does not then start refrigeration system or refrigeration system is out of service, if temperature value reaches at or above described temperature threshold, then starts refrigeration system；
Or, if water level value is less than described watermark threshold, does not then start refrigeration system or refrigeration system is out of service, if water level value reaches at or above described watermark threshold, then start refrigeration system.
And when the cold storing and fresh-keeping temperature needed for user is higher, corresponding temperature threshold is also higher, mixture of ice and water 5 in water space 4 is now completely converted into aqueous water, and now controller is only capable of the temperature that detected according to described temperature sensor and described temperature threshold comparison；
S3: if temperature value is less than described temperature threshold, does not then start refrigeration system or refrigeration system is out of service, if temperature value reaches at or above described temperature threshold, then starts refrigeration system.
In sum, by the water space 4 in frozen water cold-storage constant refrigeration case built with mixture of ice and water 5, and by being arranged on the upside of water space 4 evaporimeter 6, effectively reduce the pressure that insulation shell 1 and heat conduction shell 3 are produced by ice/water phase transformation, thus can prevent casing 10 from deforming, and it is prevented effectively between frostbite storing in 2 the food deposited near heat conduction shell 3, and the temperature fluctuation in reduction frozen water cold-storage constant refrigeration case, and this control method detects the temperature value in water space 4 or water level value respectively by temperature sensor or level sensor, then by controller, this temperature value or water level value are compared with temperature threshold or watermark threshold, control opening/stopping of refrigeration system, thus reduce the temperature fluctuation in frozen water cold-storage constant refrigeration case.
Although being example purpose, have been disclosed for the preferred embodiment of the present invention, but those of ordinary skill in the art is it will be appreciated that disclosed in without departing from by appending claims in the case of scope and spirit of the present invention, various improvement, increase and replacement are possible.
Claims (9)
1. a frozen water cold-storage constant refrigeration case, including casing and by the refrigeration system thinking described frozen water cold-storage constant refrigeration case cooling, described casing includes insulation shell and the heat conduction shell being arranged in described insulation shell, formed in described heat conduction shell in order to deposit food storing between, it is formed with water space between described insulation shell and heat conduction shell, it is characterized in that: described water space is built with mixture of ice and water, described refrigeration system includes the evaporimeter being arranged in described water space, described evaporimeter is positioned at the upside of water space, described frozen water cold-storage constant refrigeration case also includes the controller controlling described refrigeration system.
2. frozen water cold-storage constant refrigeration case according to claim 1, it is characterised in that: described evaporimeter be arranged at described heat conduction shell top and and described heat conduction shell between leave gap.
3. frozen water cold-storage constant refrigeration case according to claim 1, it is characterized in that: in described water space, be provided with the temperature sensor being connected with described controller or level sensor, described temperature sensor or level sensor detect the temperature value in water space or water level value respectively and are sent to controller, and described controller controls opening/stopping of refrigeration system according to the temperature value receiving or water level value.
4. frozen water cold-storage constant refrigeration case according to claim 1, it is characterised in that: it is additionally provided with on described casing and the drainpipe connecting in described water space and filler pipe.
5. the frozen water cold-storage constant refrigeration case according to any one in Claims 1-4 item, it is characterised in that: the temperature in described water space is between 0 to 4 DEG C.
6. frozen water cold-storage constant refrigeration case according to claim 1, it is characterised in that: it is provided with some reinforcements on the outer wall of described heat conduction shell.
7. the control method of a frozen water cold-storage constant refrigeration case as claimed in claim 3, it is characterised in that described control method includes:
S1: described temperature sensor or level sensor detect temperature value or water level value in water space respectively；
S2: controller gathers described temperature value or water level value, compares the temperature value being collected or water level value with the temperature threshold in controller or watermark threshold；
S3: if temperature value is less than described temperature threshold, does not then start refrigeration system or refrigeration system is out of service, if temperature value reaches at or above described temperature threshold, then starts refrigeration system；
Or, if water level value is less than described watermark threshold, does not then start refrigeration system or refrigeration system is out of service, if water level value reaches at or above described watermark threshold, then start refrigeration system.
8. the control method of frozen water cold-storage constant refrigeration case according to claim 7, it is characterised in that comprised the steps: before described step S1
Input preservation temperature on the controller；
Controller according to preservation temperature calculate required for temperature threshold or watermark threshold.
9. the control method of the frozen water cold-storage constant refrigeration case according to claim 7 or 8, it is characterised in that: described temperature threshold is 0 ~ 4 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510100050.1A CN105987555A (en) | 2015-03-06 | 2015-03-06 | Ice-water cold storage constant-temperature refrigerated container and control method |
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| CN201510100050.1A CN105987555A (en) | 2015-03-06 | 2015-03-06 | Ice-water cold storage constant-temperature refrigerated container and control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3627201A1 (en) * | 1985-08-19 | 1987-04-09 | Univ Rostock | Cooling container, especially for donor organs |
| EP0491671A1 (en) * | 1990-12-17 | 1992-06-24 | F.R.J. Concept | Device for cooling liquids held in receptacles |
| CN2722141Y (en) * | 2004-08-16 | 2005-08-31 | 易继先 | Refrigerator with cold holding device |
| CN201389466Y (en) * | 2009-03-31 | 2010-01-27 | 济南大学 | Inner-cooled super constant temperature water tank |
| CN102483280A (en) * | 2009-07-15 | 2012-05-30 | 真正能源有限公司 | Refrigeration apparatus |
-
2015
- 2015-03-06 CN CN201510100050.1A patent/CN105987555A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3627201A1 (en) * | 1985-08-19 | 1987-04-09 | Univ Rostock | Cooling container, especially for donor organs |
| EP0491671A1 (en) * | 1990-12-17 | 1992-06-24 | F.R.J. Concept | Device for cooling liquids held in receptacles |
| CN2722141Y (en) * | 2004-08-16 | 2005-08-31 | 易继先 | Refrigerator with cold holding device |
| CN201389466Y (en) * | 2009-03-31 | 2010-01-27 | 济南大学 | Inner-cooled super constant temperature water tank |
| CN102483280A (en) * | 2009-07-15 | 2012-05-30 | 真正能源有限公司 | Refrigeration apparatus |
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