CN113074484B - Energy-saving storage device - Google Patents
Energy-saving storage device Download PDFInfo
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- CN113074484B CN113074484B CN202110405878.3A CN202110405878A CN113074484B CN 113074484 B CN113074484 B CN 113074484B CN 202110405878 A CN202110405878 A CN 202110405878A CN 113074484 B CN113074484 B CN 113074484B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Mechanical Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an energy-saving storage device, which belongs to the technical field of refrigeration equipment and comprises a storage part, a heat conduction part, a temperature-sensing type temperature control device and a cold collection module; the storage part is arranged in a room and used for storing articles; the cold collecting module is arranged outdoors and is used for collecting outdoor cold; one end of the heat conducting part is connected with the cold collecting module, and the other end of the heat conducting part is connected with the storage part and used for transmitting the cold quantity collected by the cold collecting module to the storage part; the temperature-sensing temperature control device is used for controlling the on-off of the heat conducting part. Through the design and the use of the heat absorption module, the heat conduction module and the heat storage module, the external low-temperature environment is fully utilized, and the heat absorption module has great significance in energy conservation and environmental protection.
Description
Technical Field
The invention belongs to the technical field of refrigeration equipment, and particularly relates to an energy-saving storage device.
Background
Cryogenic storage is a generic term for a device that controls cryogenic temperatures to slow the rate of deterioration of a substance. The low-temperature storage devices are of various types and specifications, and there are several types such as large-sized refrigerators, and freezers depending on the applications and sizes. The application field is wide, and the refrigeration storage equipment is related to food, chemical engineering, medicine, vaccine, scientific experiment and the like, and is needed in industrial, medical and household occasions where low-temperature environment is needed to be manufactured to store substances. Most storage equipment needs to use a refrigerant as a working medium, and the working medium is promoted to transfer heat through suction pressure and exhaust of a compressor to create a low-temperature environment. In northern winter environments, the external low temperature is sufficient to preserve daily household food, but because of the indoor heating, people still need to use a refrigerator when preserving food in winter. Not only is energy wasted, but also the environment and the safety are greatly threatened if working medium leakage is caused.
The refrigeration system of a household refrigerator generally comprises a compressor, a condenser, a capillary throttle pipe and an evaporator in a refrigeration cycle. Wherein the evaporator is a facility for refrigerating the inside of the refrigerator. The low-temperature and low-pressure working medium is changed into high-temperature and high-pressure gas through a compressor, wherein a large amount of mechanical work is consumed; then the gas enters the condenser to release heat to the outside, then enters the throttle valve to bring refrigeration potential to the working medium, and finally absorbs the heat in the storage space through the evaporator, thereby refrigerating the environment.
The cold energy source of a normal household refrigerator is from the circulation transfer of working media, but the natural 'cold storage' of outdoor low-temperature environment is not utilized in winter.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an embodiment of the present invention provides an energy-saving storage device, which absorbs outdoor cooling capacity through the device, and then transfers the cooling capacity to an indoor storage part, so as to form a low-temperature environment in the indoor storage part, thereby satisfying the temperature condition for storing food.
The working of the heat conductor between the indoor and the outdoor is controlled by taking the temperature as a condition. When the external temperature is higher than a certain set temperature, the heat conduction switch is switched off to stop heat conduction; when the external temperature is lower than a certain set temperature, the temperature sensing type temperature control device starts to play the next role, namely, the heat conduction is carried out and stopped by utilizing the temperature difference between the inside and the outside so as to meet the requirement of food storage.
In order to solve the technical problems, the invention provides the following technical scheme:
an energy-saving storage device comprises a storage part, a heat conduction part, a temperature-sensing temperature control device and a cold collection module;
the storage part is arranged in a room and used for storing articles;
the cold collecting module is arranged outdoors and is used for collecting outdoor cold;
one end of the heat conducting part is connected with the cold collecting module, and the other end of the heat conducting part is connected with the storage part and used for transmitting the cold quantity collected by the cold collecting module to the storage part;
the temperature-sensing temperature control device is used for controlling the on-off of the heat conducting part;
when the temperature collected by the cold collecting module is lower than the temperature of the storage part, the temperature-sensing temperature control device controls the heat conduction part to be communicated so as to transmit the cold quantity collected by the cold collecting module into the storage part through the heat conduction part;
when the collection temperature of the cold collection module is higher than the temperature of the storage part, the temperature-sensing temperature control device controls the heat conduction part to be disconnected so as to prevent the loss of cold in the storage part.
As a further improvement of the invention: the heat conducting part comprises a plurality of heat conductors distributed at intervals;
the temperature sensing type temperature control device is a mechanical type temperature control device;
the mechanical temperature control device comprises a second temperature deformation element, a third temperature deformation element and a third heat conduction switch, wherein the third temperature deformation element is used for detecting the outdoor temperature, and the second temperature deformation element is used for detecting the temperature of the storage part;
when the outdoor temperature is lower than the temperature of the storage part, the third temperature deformation element deforms to drive the third heat conduction switch to move to the interval between the two adjacent groups of heat conductors so as to realize the communication of the heat conduction parts, and the cold collected by the cold collection module is conducted into the indoor storage part through the heat conduction parts;
when the outdoor temperature is higher than the temperature of the storage part, the second temperature deformation element deforms to drive the third heat conduction switch to be removed from the interval between the two adjacent groups of heat conductors, so that the heat conduction part is disconnected, and the cold energy in the storage part is prevented from being lost outwards.
As a further improvement of the invention: one end of the third heat conduction switch is connected with a horizontal shaft through a connecting rod, one end of the horizontal shaft is hinged to a transmission shaft, one side of the third temperature deformation element is connected with a second elastic body through the connecting rod, and one end, far away from the connecting rod, of the second elastic body is connected with the transmission shaft.
As a further improvement of the invention: one side of the second temperature deformation element is connected with a first elastic body through a connecting rod, and one end, far away from the connecting rod, of the first elastic body is connected with the transmission shaft.
As a still further improvement of the invention: the mechanical temperature control device further comprises a first temperature deformation element, and one side of the first temperature deformation element is connected with a second heat conduction switch through a connecting rod.
As a still further improvement of the invention: the heat conductor can be made of a high-heat-conductivity metal material or a composite material.
As a still further improvement of the invention: the heat conducting part comprises a plurality of heat conductors distributed at intervals;
the temperature sensing type temperature control device is a motor type temperature control device;
the motor type temperature control device comprises a temperature sensing element, an electronic control unit, a motor and a first heat conduction switch;
the temperature sensing element is used for detecting the temperature of the storage part;
when the temperature of the storage part is lower than a set value, the temperature sensing element inputs a temperature signal into electronic control, the electronic control transmits a working signal to the motor, and the motor drives the first heat conduction switch to move between the two groups of heat conductors to realize the communication of the heat conduction part;
when the temperature of the storage part is higher than a set value, the temperature sensing element inputs a temperature signal into the electronic control, the electronic control transmits a working signal to the motor, and the motor drives the first heat conduction switch to be removed from between the two groups of heat conductors, so that the heat conduction part is disconnected.
As a still further improvement of the invention: the storage part comprises a low-temperature bin, a heat conduction layer and a first heat preservation layer, wherein the heat conduction layer is arranged outside the low-temperature bin, the first heat preservation layer is arranged outside the heat conduction layer, and the temperature-sensitive temperature control device is connected with the heat conduction layer through a connecting sheet.
As a still further improvement of the invention: the inner side of the heat conduction layer is also provided with a cold accumulation layer, and the cold accumulation layer is a sodium chloride aqueous solution with the inorganic salt solution mass fraction of 5%.
As a still further improvement of the invention: the storage part is a refrigerator.
Compared with the prior art, the invention has the beneficial effects that:
1. through the design and the use of the heat absorption module, the heat conduction module and the heat storage module, the external low-temperature environment is fully utilized, and the heat absorption module has great significance in energy conservation and environmental protection.
2. Through the design of the controllable disconnecting device which is realized by depending on temperature change, the use of the storage part can be separated from the control of people for a long time, the practicability of the facility is greatly enhanced, and the follow-up temperature can be more accurately controlled.
3. The invention makes it possible to select a suitable phase change cold storage material, for example using an aqueous sodium chloride solution, so that the temperature of the storage part can be maintained below the deterioration temperature of the food, and also a low temperature can be maintained for a while after the cold transport is switched off, which provides the possibility of working between intermittent temperature changes.
4. The invention can be matched with a household refrigerator for use, and provides convenience for the household refrigerator to use the equipment on the basis of saving the indoor storage part.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first schematic structural diagram of the temperature-sensing type temperature control device according to the present invention;
FIG. 3 is a second schematic structural diagram of the temperature-sensing type temperature control device according to the present invention;
FIG. 4 is a schematic view of the temperature-sensing type temperature control device of the present invention connected to a condenser coil of a refrigerator;
in the figure: 1-low-temperature cabin, 2-cold accumulation layer, 3-first heat preservation layer, 4-cold accumulation module, 5-heat conduction part, 501-heat conductor, 6-second heat preservation layer, 7-temperature-sensing type temperature control device, 701-slide block, 702-first temperature deformation element, 703-connecting rod, 704-guide rail, 705-horizontal shaft, 706-transmission shaft, 707-second temperature deformation element, 708-first elastic body, 709-second elastic body, 710-third temperature deformation element, 711-temperature sensing element, 712-electronic control, 713-motor, 714-first heat conduction switch, 715-second heat conduction switch, 716-third heat conduction switch, 717-fourth heat conduction switch, 8-connecting sheet, 9-heat conduction layer, 10-condensation coil pipe, 11-a refrigerator.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1, the present embodiment provides an energy-saving storage device, which includes a storage portion, a heat conduction portion 5, a temperature-sensing temperature control device 7, and a cooling module 4, wherein the storage portion is installed indoors for storing articles; the cold collecting module 4 is installed outdoors and used for collecting outdoor cold, one end of the heat conducting part 5 is connected with the cold collecting module 4, and the other end of the heat conducting part is connected with the storage part and used for transmitting the cold collected by the cold collecting module 4 to the storage part; the temperature-sensing temperature control device 7 is used for controlling the on-off of the heat conducting part 5, when the temperature collected by the cold collecting module 4 is lower than the temperature of the storage part, the temperature-sensing temperature control device 7 controls the heat conducting part 5 to be communicated so as to transmit the cold collected by the cold collecting module 4 to the storage part through the heat conducting part 5; when the temperature collected by the cold collecting module 4 is higher than the temperature of the storage part, the temperature-sensing temperature control device 7 controls the heat conduction part 5 to be disconnected so as to prevent the loss of cold in the storage part.
Referring to fig. 2, in an embodiment, the heat conducting portion 5 includes a plurality of heat conducting bodies 501 distributed at intervals, the temperature-sensitive temperature control device 7 is a mechanical temperature control device, the mechanical temperature control device includes a second temperature deformation element 707, a third temperature deformation element 710 and a third heat conducting switch 716, the third temperature deformation element 710 is used for detecting the outdoor 2 temperature, the second temperature deformation element 707 is used for detecting the storage portion temperature, when the outdoor temperature is lower than the storage portion temperature, the third temperature deformation element 710 deforms to drive the third heat conducting switch 716 to move to an interval between two adjacent groups of heat conducting bodies 501, so as to achieve communication between the heat conducting portions 5, and the cold collected by the cold collecting module 4 is conducted to the indoor storage portion through the heat conducting portions 5; along with the conduction of the cold quantity, the indoor temperature gradually decreases, when the indoor temperature and the outdoor temperature tend to be consistent, the second temperature deformation element 707 deforms at this time to drive the third heat conduction switch 716 to be removed from the interval between the two adjacent sets of heat conductors 501, so as to realize the disconnection of the heat conduction portion 5, and prevent the cold quantity in the storage portion from being lost outwards, it should be noted that when the second temperature deformation element 707 deforms, the third temperature deformation element 710 has a certain deformation quantity, but the outdoor temperature gradually increases due to the conduction of the cold quantity or due to the change of the outdoor temperature, and the deformation degree of the third temperature deformation element 710 is weakened, so that the tensile stress of the third temperature deformation element 710 is smaller than that of the second temperature deformation element 707, and thus, the third heat conduction switch 716 is pulled away from the heat conduction portion 5, and the disconnection of the heat conduction portion 5 is realized.
In another embodiment, the plurality of heat conductors 501 are distributed at linear intervals or at non-linear intervals, and only the third heat conducting switch 716 needs to be ensured to be capable of realizing communication between two adjacent groups of heat conductors 501 when moving, which is not limited herein.
In the above embodiment, the cold collecting module 4 is used for absorbing external cold, and may be designed as a heat conducting sheet or a heat conducting frame with a large surface area and high heat conductivity, and the specific material may be copper.
Referring to fig. 2, in an embodiment, one end of the third thermal conductive switch 716 is connected to a horizontal shaft 705 through a connecting rod 703, one end of the horizontal shaft 705 is hinged to a transmission shaft 706, one side of the third temperature deformation element 710 is connected to a second elastic body 709 through the connecting rod 703, and one end of the second elastic body 709 away from the connecting rod 703 is connected to the transmission shaft 706.
When the outdoor temperature is lower than the temperature of the storage portion, the third temperature deformation element 710 deforms and bends, and then the transmission shaft 706 is driven to rotate by the second elastic body 709, so as to drive the horizontal shaft 705 and the third heat conduction switch 716 to move, so that the third heat conduction switch 716 moves between the two sets of heat conductors 501, and the communication of the heat conduction portion 5 is realized.
With reference to fig. 2, in one embodiment, a first elastic body 708 is connected to one side of the second temperature-changing element 707 through a connecting rod 703, and an end of the first elastic body 708 away from the connecting rod 703 is connected to the transmission shaft 706.
Along with cold volume to the transmission of storage portion, wait to the inside temperature reduction in storage portion back, second temperature deformation component 707 takes place deformation to drive transmission shaft 706 through first elastomer 708 and remove, and then drive third heat conduction switch 716 reverse movement, pull away third heat conduction switch 716 from between two sets of heat conductors, realize the disconnection of heat conduction portion 5, second temperature deformation component 707 is the same with third temperature deformation component 710 deformation volume, can guarantee to bring transmission shaft 706 back to balanced state again, no difference in temperature this moment.
Referring to fig. 2, in an embodiment, the mechanical temperature control device further includes a first temperature deformation element 702, and a second heat conduction switch 715 is connected to one side of the first temperature deformation element 702 through a connecting rod 703.
When external initial temperature is higher than a certain temperature, for example, when the highest temperature required by the storage portion is reached, the first temperature deformation element 702 is changed from downward bending when the temperature is low to horizontal bending until upward bending, so as to drive the second heat conduction switch 715 to be removed from between the two sets of heat conductors 501, so that the heat conduction portion 5 is disconnected, even if the temperature difference exists between the inside and the outside, the heat conduction portion 5 cannot work, the outdoor high temperature is effectively prevented from being transmitted to the inside of the storage portion, and the low-temperature condition of the storage portion is ensured.
The purpose of first temperature deformation component 702 is to detect outdoor temperature, and only when outdoor temperature reached a certain temperature value promptly, first temperature deformation component 702 just can take place deformation to drive second heat conduction switch 715 and remove, realize the break-make of heat-conducting part 5, so that control, above-mentioned temperature value can be set for according to actual need, if-2 ℃, -3 ℃, -5 ℃.. the.
Referring to fig. 2, in an embodiment, to ensure the moving stability of the second heat conducting switch 715 and the third heat conducting switch 716, a sliding block 701 is fixedly disposed at an end of the connecting rod 703, the sliding block 701 is slidably engaged with the sliding rail 704, the sliding blocks 701 are slidably disposed on the first temperature deformation element 702, the second temperature deformation element 707, and the third temperature deformation element 710, and the connecting rod 703 is fixedly connected to the corresponding sliding block 701.
In the above embodiments, the first elastic body 708 and the second elastic body 709 may both adopt a spring structure, but may also be other members having a springing function, and the present invention is not limited herein.
In the above embodiments, the heat conductor 501 may be made of a metal material or a composite material with high thermal conductivity, which is not limited herein.
In the above embodiment, the first temperature deformation element 702, the second temperature deformation element 707, and the third temperature deformation element 710 may all adopt a bi-metal strip structure, the material of the bi-metal strip may be Mn75Ni15Cr10, Ni20Mn6, Ni36, and other alloys, and the components of the alloys are adjusted to make the first temperature deformation element 702, the second temperature deformation element 707, and the third temperature deformation element 710 bend correspondingly when the temperature increases or decreases in the working (temperature) range due to the difference in thermal expansion coefficients of the two alloys in the bi-metal strip, and the first temperature deformation element 702, the second temperature deformation element 707, and the third temperature deformation element 710 bend from side to side by reasonably arranging the positions of the first temperature deformation element 702, the second temperature deformation element 707, and the third temperature deformation element 710, and then drive the corresponding heat conduction switch to move, and realize the connection and disconnection operation of the heat conduction part 5.
Referring to fig. 3, in another embodiment, the temperature-sensing type temperature control device 7 is a motor type temperature control device, the motor type temperature control device includes a temperature-sensing element 711, an electronic control 712, a motor 713 and a first heat conduction switch 714, and the temperature-sensing element 711 is used for detecting the temperature of the storage portion; when the temperature of the storage part is lower than a set value, the temperature sensing element 711 inputs a temperature signal into the electronic control 712, the electronic control 712 transmits a working signal to the motor 713, and the motor 713 drives the first heat conduction switch 714 to move between the two sets of heat conductors 501, so that the communication of the heat conduction part 5 is realized; when the temperature of the storage portion is higher than the set value, the temperature sensing element 711 inputs a temperature signal to the electronic control 712, the electronic control 712 transmits an operating signal to the motor 713, and the motor 713 drives the first heat conduction switch 714 to be removed from between the two sets of heat conductors 501, so as to disconnect the heat conduction portion 5.
Referring to fig. 1, in an embodiment, the storage portion includes a low temperature chamber 1, a heat conduction layer 9 disposed outside the low temperature chamber 1, and a first heat preservation layer 3 disposed outside the heat conduction layer 9, and the temperature-sensitive temperature control device 7 is connected to the heat conduction layer 9 through a connection piece 8.
When the temperature of the cold energy collected by the cold collecting module 4 is lower than the temperature of the storage part, the temperature-sensitive temperature control device 7 controls the heat conduction part 5 to be communicated, and the cold energy is transmitted to the heat conduction layer 9 through the heat conduction part 5 by the cold collecting module 4 so as to realize the utilization of the outdoor cold energy.
With reference to fig. 1, in an embodiment, a cold accumulation layer 2 is further disposed inside the heat conduction layer 9, and the cold accumulation layer 2 absorbs cold to reduce the temperature and cool the interior of the low-temperature chamber.
In the above embodiment, in practical application, the materials in the cold storage layer 2 may be selected differently according to different requirements, for example, an inorganic salt solution is selected as an energy storage material, and when the temperature of-8 ℃ is required for civil storage, a sodium chloride aqueous solution with a mass fraction of 5% may be selected.
Referring to fig. 1, in one embodiment, a second insulating layer 6 is disposed outside the heat conducting portion 5.
In the above embodiment, the materials of the first insulating layer 3 and the second insulating layer 6 are not limited, and may be reasonably selected according to the needs in actual use.
Referring to fig. 4, in an embodiment, the storage portion may also be a refrigerator 11, and when the external temperature is lower, the heat conductor 501 may be connected to the position of the condensing coil 10 of the refrigerator 11 to enhance the heat dissipation of the condensing coil 10, assist in increasing the supercooling degree, and reduce the compression power consumption of the household refrigerator 11.
The embodiment of the invention has the following advantages:
1. through the design and the use of the heat absorption module, the heat conduction module and the heat storage module, the external low-temperature environment is fully utilized, and the heat absorption module has great significance in energy conservation and environmental protection.
2. Through the design of the controllable disconnecting device which is realized by depending on temperature change, the use of the storage part can be separated from the control of people for a long time, the practicability of the facility is greatly enhanced, and the follow-up temperature can be more accurately controlled.
3. The invention makes it possible to select a suitable phase change cold storage material, for example using an aqueous sodium chloride solution, so that the temperature of the storage part can be maintained below the deterioration temperature of the food, and also a low temperature can be maintained for a while after the cold transport is switched off, which provides the possibility of working between intermittent temperature changes.
4. The invention can be matched with a household refrigerator for use, and provides convenience for the household refrigerator to use the equipment on the basis of saving the indoor storage part.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. An energy-saving storage device is characterized by comprising a storage part, a heat conduction part, a temperature-sensing temperature control device and a cold collection module;
the storage part is arranged in a room and used for storing articles;
the cold collecting module is arranged outdoors and is used for collecting outdoor cold;
one end of the heat conducting part is connected with the cold collecting module, and the other end of the heat conducting part is connected with the storage part and used for transmitting the cold quantity collected by the cold collecting module to the storage part;
the temperature-sensing temperature control device is used for controlling the on-off of the heat conducting part;
when the temperature collected by the cold collecting module is lower than the temperature of the storage part, the temperature-sensing temperature control device controls the heat conduction part to be communicated so as to transmit the cold quantity collected by the cold collecting module into the storage part through the heat conduction part;
when the collection temperature of the cold collection module is higher than the temperature of the storage part, the temperature-sensing temperature control device controls the heat conduction part to be disconnected so as to prevent the loss of cold in the storage part;
the heat conducting part comprises a plurality of heat conductors distributed at intervals;
the temperature sensing type temperature control device is a mechanical temperature control device or a motor type temperature control device;
the mechanical temperature control device comprises a second temperature deformation element, a third temperature deformation element and a third heat conduction switch, wherein the third temperature deformation element is used for detecting the outdoor temperature, and the second temperature deformation element is used for detecting the temperature of the storage part;
when the outdoor temperature is lower than the temperature of the storage part, the third temperature deformation element deforms to drive the third heat conduction switch to move to the interval between the two adjacent groups of heat conductors so as to realize the communication of the heat conduction parts, and the cold collected by the cold collection module is conducted into the indoor storage part through the heat conduction parts;
when the outdoor temperature is higher than the temperature of the storage part, the second temperature deformation element deforms to drive the third heat conduction switch to be removed from the interval between the two adjacent groups of heat conductors, so that the heat conduction part is disconnected, and the cold energy in the storage part is prevented from being lost outwards;
one end of the third heat conduction switch is connected with a horizontal shaft through a connecting rod, one end of the horizontal shaft is hinged to a transmission shaft, one side of the third temperature deformation element is connected with a second elastic body through the connecting rod, and one end, far away from the connecting rod, of the second elastic body is connected with the transmission shaft.
2. The energy-saving storage device as claimed in claim 1, wherein a first elastic body is connected to one side of the second temperature-changing element through a connecting rod, and one end of the first elastic body, which is far away from the connecting rod, is connected to the transmission shaft.
3. The energy-saving storage device of claim 1, wherein the mechanical temperature control device further comprises a first temperature deformation element, and one side of the first temperature deformation element is connected with a second heat conduction switch through a connecting rod;
the first temperature deformation element is used for detecting the outdoor temperature, and when the outdoor temperature is higher than the set temperature of the storage part, the first temperature deformation element deforms to drive the second heat conduction switch to move, so that the second heat conduction switch is removed from between the two adjacent groups of heat conductors.
4. The energy-saving storage device of claim 1, wherein the heat conductor is made of a metal material or a composite material with high thermal conductivity.
5. The energy-saving storage device of claim 1, wherein the motor-type temperature control device comprises a temperature sensing element, an electronic control, a motor and a first heat conduction switch;
the temperature sensing element is used for detecting the temperature of the storage part;
when the temperature of the storage part is lower than a set value, the temperature sensing element inputs a temperature signal into electronic control, the electronic control transmits a working signal to the motor, and the motor drives the first heat conduction switch to move between the two groups of heat conductors to realize the communication of the heat conduction part;
when the temperature of the storage part is higher than a set value, the temperature sensing element inputs a temperature signal into the electronic control, the electronic control transmits a working signal to the motor, and the motor drives the first heat conduction switch to be removed from between the two groups of heat conductors, so that the heat conduction part is disconnected.
6. An energy saving storage device according to any one of claims 1 to 5 wherein the storage section comprises a cryogenic chamber, a heat conducting layer disposed outside the cryogenic chamber and a first thermal insulation layer disposed outside the heat conducting layer, the temperature sensitive temperature control device being connected to the heat conducting layer by a connecting strap.
7. The energy-saving storage device of claim 6, wherein a cold accumulation layer is further disposed inside the heat conduction layer.
8. An energy saving storage device according to any one of claims 1 to 5 wherein said storage section is a refrigerator.
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| CN101973427A (en) * | 2010-10-28 | 2011-02-16 | 刘忠波 | Temperature difference type storage box |
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