CN105444488B - Cold-storage and thermal storage Combined constant temperature equipment and control method - Google Patents
Cold-storage and thermal storage Combined constant temperature equipment and control method Download PDFInfo
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- CN105444488B CN105444488B CN201510416894.7A CN201510416894A CN105444488B CN 105444488 B CN105444488 B CN 105444488B CN 201510416894 A CN201510416894 A CN 201510416894A CN 105444488 B CN105444488 B CN 105444488B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
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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
Abstract
A kind of cold-storage and thermal storage Combined constant temperature equipment of present invention offer and control method.Cold-storage and thermal storage Combined constant temperature equipment, including thermal-insulating body, compressor, evaporator and condenser, storing cavity is additionally provided in thermal-insulating body, it is characterized in that, further include cold-storage module and accumulation of heat module, cold-storage module includes phase change cold-storage component and heat pipe, and heat pipe is located in storing cavity, the one end of heat pipe is inserted in phase change cold-storage component or is attached to phase change cold-storage parts surface, and evaporator is connect with phase change cold-storage component heat transfer;Accumulation of heat module includes electric heating element and phase-transition heat-storage component, electric heating element is connect with phase-transition heat-storage component heat transfer, phase-transition heat-storage component is located in storing cavity, and phase-change material for cold storage is provided in phase change cold-storage component, phase change heat storage material is provided in phase-transition heat-storage component.It realizes constant refrigeration storage, improves the safety of drug, vaccine cold chain process.
Description
Technical field
The present invention relates to refrigerating plant more particularly to a kind of cold-storage and thermal storage Combined constant temperature equipment and control method.
Background technology
Needed with the development and all kinds of epiphytotics controls of modern medicine, all kinds of novel medicines, vaccine application more
It is universal.Such medical material is usually more sensitive to temperature, and it is wider thus to propose update for corresponding Cold Chain Logistics
Demand.Wherein, not the Medical refrigerator product of co-content be this similar drug, vaccine materials storage, transport important preservation equipment,
For ensureing that drug, vaccine safety are significant.
In general, vaccine must be stored between+2 DEG C to+8 DEG C, still, since the medical materials logistics such as drug, vaccine is cold
Chain process is complicated, is likely encountered a variety of occasions, such as Vehicle Transportation, the rural area of remote no normal electricity supply, four or five ten
The storage environment etc. of the hot environment of degree, zero degree or so.This environment complicated and changeable preserves the constant temperature of drug, vaccine
Harsh challenge is proposed, it is annual because drug, vaccine failure waste are very huge caused by temperature reason.Therefore, how to set
A kind of storage of realization constant refrigeration is counted, improves drug, the refrigeration equipment of safety of vaccine cold chain process is that the present invention to be solved
Certainly the technical issues of.
Invention content
The technical problem to be solved by the present invention is to:A kind of cold-storage and thermal storage Combined constant temperature equipment and control method are provided,
It realizes constant refrigeration storage, improves the safety of drug, vaccine cold chain process.
Technical solution provided by the invention is a kind of cold-storage and thermal storage Combined constant temperature equipment, including thermal-insulating body, compression
Machine, evaporator and condenser, the compressor, the evaporator connect to form refrigerating circuit with the condenser, the heat preservation
It is additionally provided with storing cavity in babinet, further includes cold-storage module and accumulation of heat module, the cold-storage module includes phase change cold-storage component
And heat pipe, the heat pipe are located in the storing cavity, the one end of the heat pipe be inserted in the phase change cold-storage component or
It is attached to the phase change cold-storage parts surface, the evaporator is connect with the phase change cold-storage component heat transfer;The accumulation of heat module
Including electric heating element and phase-transition heat-storage component, the electric heating element is connect with the phase-transition heat-storage component heat transfer, described
Phase-transition heat-storage component is located in the storing cavity, and phase-change material for cold storage, the phase transformation are provided in the phase change cold-storage component
Phase change heat storage material is provided in thermal storage member.
Further, it is provided with heat-conducting plate on the storing cavity, the heat pipe is attached on the heat-conducting plate;Or it is described
Storing cavity is metal heat-conducting courage body, and the heat pipe is attached on the storing cavity.
Further, the end of the heat pipe is connected to the bottom of the phase change cold-storage component.
Further, the evaporator is located in the phase change cold-storage component, and the evaporator includes multi-disc evaporation plate, institute
It states evaporation plate to be arranged side by side, the distance between evaporation plate described in adjacent two panels is 20mm to 50mm, the evaporator and the phase
Become the distance between side wall and bottom of cold-storage component as 30mm to 50mm.
Further, the phase change cold-storage component and the phase-transition heat-storage component are respectively arranged with temperature sensor.
Further, the accumulation of heat module further includes thermal conductive shell, the electric heating element and the phase-transition heat-storage component
It is encapsulated in the thermal conductive shell, the thermal conductive shell is arranged in the storing cavity.
Further, it is additionally provided with the heat portective switch being connect with the electric heating element in the thermal conductive shell.
Further, sealing thermal insulation board, the heat pipe are provided between the phase change cold-storage component and the storing cavity
Across the sealing thermal insulation board.
The present invention also provides a kind of cold-storage and thermal storage Combined constant temperature apparatus control methods, using above-mentioned cold-storage and thermal storage combined type
Thermostatic equipment;Control method includes energized state control method and off-position control method:
Energized state control method includes:
When the temperature of phase change cold-storage component is higher than the cold-storage temperature upper limit of phase change cold-storage component, compressor, which is powered, to be run
Refrigeration, cold pass to phase-change material for cold storage by evaporator, meanwhile, cold is transmitted to storage by phase change cold-storage component by heat pipe
Object cavity, to realize refrigerating function;
When the temperature of phase-transition heat-storage component is less than the regenerator temperature lower limiting value of phase-transition heat-storage component, electric heating element is powered
The heat generated is run, heating accumulation of energy is carried out to phase change heat storage material, meanwhile, heat is passed by the surface of phase-transition heat-storage component
It is delivered to storing cavity, to realize heat insulation function;
Off-position control method includes:
Phase-change material for cold storage phase transformation released cold quantity is realized by heat pipe heat exchanging and carries out cooling to storing cavity for a long time
Effect so that the temperature of storing cavity is less than storage temperature upper limit value in cold-storage and thermal storage Combined constant temperature equipment, meanwhile, in storing
When the temperature of cavity is less than the phase transition temperature value of phase change heat storage material, phase change heat storage material phase transformation discharges heat to absorb storage chamber
The extra cold of body so that the temperature of storing cavity is higher than storage temperature lower limiting value in cold-storage and thermal storage Combined constant temperature equipment.
Preferably, cold-storage temperature upper limit changes and inverse change with ambient temperature, and regenerator temperature lower limiting value is with outer
Boundary's variation of ambient temperature and inverse change.
Cold-storage and thermal storage Combined constant temperature equipment and control method provided by the invention, by the way that phase change cold-storage component and phase is arranged
Become thermal storage member, the phase-change material for cold storage in evaporator cooling phase-change cold-storage component, and electric heating element heats phase-transition heat-storage portion
Phase change heat storage material in part by lasting storage or releases energy, since phase-change material is in phase transition process so as to have
Fast storage big energy when energy supply;When energy free is supplied, long-time ensures to keep stable in storing cavity
Storage temperature avoids the storage temperature amplitude of variation of storing cavity excessive, realizes constant refrigeration storage, improves drug, vaccine
The safety of cold chain process.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram one of cold-storage and thermal storage Combined constant temperature apparatus embodiments of the present invention;
Fig. 2 is the structural schematic diagram two of cold-storage and thermal storage Combined constant temperature apparatus embodiments of the present invention;
Fig. 3 is the structural schematic diagram of accumulation of heat module in cold-storage and thermal storage Combined constant temperature apparatus embodiments of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present embodiment cold-storage and thermal storage Combined constant temperature equipment, including thermal-insulating body 1, electric energy feedway
(It is not shown), compressor 2, evaporator 3 and condenser 4, compressor 2, evaporator 3 and the connection of condenser 4 form refrigerating circuit,
In, it is additionally provided with throttling set between evaporator 3 and condenser 4, storing cavity 12, this implementation are additionally provided in thermal-insulating body 1
Example cold-storage and thermal storage Combined constant temperature equipment further includes cold-storage module and accumulation of heat module, and cold-storage module includes becoming cold-storage component 11 and heat
Pipe 5, evaporator 3 are transmitted with 11 heat of phase change cold-storage component and are connected, and heat pipe 5, the one end of heat pipe 5 are additionally provided on storing cavity 12
The surface for being inserted in phase change cold-storage component 11 or being attached to phase change cold-storage component 11 carries out heat exchange, and the accumulation of heat module includes electricity
Heating element 61 and phase-transition heat-storage component 62, the electric heating element 61 are connect with 62 heat transfer of phase-transition heat-storage component, institute
It states phase-transition heat-storage component 62 to be located in the storing cavity 12, phase-change material for cold storage is provided in the phase change cold-storage component 11,
Phase change heat storage material is provided in the phase-transition heat-storage component 62, electric energy feedway connects with compressor 2 and electric heating element 61
It connects.Wherein, the phase transition temperature value of phase change heat storage material is higher than the alternating temperature angle value of phase-change material for cold storage.
Specifically, being provided with phase change cold-storage component 11 and phase transformation storage in the present embodiment cold-storage and thermal storage Combined constant temperature equipment
Thermal part 62, and the phase-change material for cold storage in phase change cold-storage component 11 is for storing cold, and phase transformation in phase-transition heat-storage component 62
Heat-storing material is cooperated by phase change cold-storage component 11 and phase-transition heat-storage component 62 for storing heat, can meet compared with
In big circumstance temperature variation range(Such as 45 DEG C to -10 DEG C of circumstance temperature), when the present embodiment cold-storage and thermal storage Combined constant temperature equipment keeps long
Between constant temperature storage.Wherein, material of the phase point temperature at 0 DEG C or so may be used in phase-change material for cold storage, such as:Water etc.;And
Phase-change material of the phase point temperature between 3 to 6 DEG C may be used in phase change heat storage material, such as:Molecular formula is CnH2n+2's
Alkanes mixture, transition temperature range are narrow(About 4 to 5 DEG C), latent heat of phase change is larger, using a small amount of material can store compared with
More heats meet refrigerating box and maintain needs in the temperature that the longer energy interrupts.Electric energy feedway is being capable of providing electricity
When energy, compressor 2 and electric heating element 61 are powered run as needed, when the temperature of phase change cold-storage component is higher than phase change cold-storage portion
When the cold-storage temperature upper limit of part, compressor 2 is powered, and evaporator 3 directly freezes to the water in phase change cold-storage component 11, makes
Form ice water admixture in phase change cold-storage component 11, and the heat pipe 5 being inserted in phase change cold-storage component 11 is by phase change cold-storage portion
Cold in part 11, which is transmitted in storing cavity 12, to freeze, and maintains storing cavity 12 within the temperature range of setting;Work as phase transformation
When the temperature of thermal storage member is less than the regenerator temperature lower limiting value of phase-transition heat-storage component, electric heating element 61 is powered, electric heating element
61 heating phase-transition heat-storage components 62, phase-transition heat-storage component 62, which is rejected heat to while accumulation of heat in storing cavity 12, to be added
Heat maintains storing cavity 12 within the temperature range of setting.And the performance of the present embodiment cold-storage and thermal storage Combined constant temperature equipment is real
Body can be vertical refrigeration equipment as shown in Figure 1, can also be horizontal refrigeration equipment as shown in Figure 2.
Wherein, it is provided with temperature sensor in phase change cold-storage component 11(It is not shown), temperature sensor is for detecting phase transformation
Temperature in cold-storage component 11 is set in the temperature in storing cavity 12 in the present embodiment cold-storage and thermal storage Combined constant temperature equipment
For refrigerated storage temperature, then the cold-storage temperature in phase change cold-storage component 11 is set as -2 DEG C to 2 DEG C, i.e., when phase change cold-storage component 11
In temperature when reaching -2 DEG C or less, compressor 2 is shut down;It is pressed when the temperature recovery in phase change cold-storage component 11 is to 2 DEG C or more
Contracting machine 2 is switched on, and can ensure in the temperature in phase change cold-storage component 11 freezing for most of water in this way, while being unlikely to again because freezing
Junction temperature is too low, leads to whole water fully charges, can prevent from leading to phase because of the water fully charge in phase change cold-storage component 11
Become the 11 dilatancy damage of cold-storage component and may caused by the too low risk of temperature in storing cavity 12.In addition, in order to keep away
Exempt from directly to carry out heat exchange between phase change cold-storage component 11 and storing cavity 12 and influence the setting of the temperature in storing cavity 12, protect
Thermal insulation board 10 is provided in incubator body 1, thermal insulation board 10 divides thermal-insulating body 1 for upper installation cavity and lower installation cavity, phase change cold-storage portion
Part 11 is located in upper installation cavity, and storing cavity 12 is located in lower installation cavity, and phase change cold-storage component 11 is with storing cavity 12 by heat-insulated
Plate 10 is kept apart so that the complete heat pipe 5 of heat exchange between the two is completed.And 5 self-characteristic of heat pipe is utilized, it can also realize storage
Cryogenic temperature adjusting control function in object cavity 12 usually has minimum heat transfer temperature difference characteristic, that is, is conducting heat for heat pipe 5
In the process, there are heat transfer temperature differences with evaporator section for the condensation segment of heat pipe 5, when less than this temperature difference, heat-transfer capability rapid decrease;
The factors such as minimum heat transfer temperature difference and the type of heat pipe 5, structure, working medium are related, can suitably adjust according to the design needs.Such as:
In vaccine refrigerating application, it need to usually ensure the refrigerated space temperature in storing cavity 12 not less than 2 DEG C, and phase change cold-storage component
11 freeze and melting process in, temperature substantially remains in 0 DEG C.It is 2 DEG C that the minimum heat transfer temperature difference of heat pipe 5 can be designed at this time,
Thus when the refrigerated space temperature in storing cavity 12 is down to 2 DEG C, since close to the minimum poor heat transfer limit value of heat pipe 5, heat pipe 5 changes
Heat is reduced, and avoids the occurrence of the generation of the too low situation of refrigerated storage space temperature in storing cavity 12.
Further, in order to enable the cryogenic temperature in storing cavity 12 keeps uniform, gold may be used in storing cavity 12
Belong to heat conduction courage body, alternatively, heat-conducting plate 13 can be arranged on storing cavity 12, heat pipe 5 is attached on heat-conducting plate 13.Specifically, with
For heat-conducting plate 13, the cold that heat pipe 5 transmits can be more uniformly discharged into storing cavity 12 by heat-conducting plate 13, excellent
Choosing, heat pipe 5 and heat-conducting plate 13 are distributed in the upper position of storing cavity 12, and heat-conducting plate 13 is sunk naturally using cold air and spoke
The mode penetrated more uniformly introduces cold in storing cavity 12, is recycled without wind turbine.And evaporator 3 includes multi-disc
Evaporation plate 31, evaporation plate 31 are arranged side by side, and the distance between adjacent two panels evaporation plate 31 is 20mm to 50mm, evaporator 3 and phase
Become the distance between side wall and bottom of cold-storage component 11 as 30mm to 50mm.Specifically, evaporation plate 31 is in phase change cold-storage component
It is arranged in parallel at regular intervals in 11, enhances heat exchange efficiency, be conducive to that water is quick, uniform glaciation carries out cold-storage.And it steams
It sends out device 3 and keeps certain intervals apart from 11 bottom of phase change cold-storage component and surrounding, the water contacted with evaporation plate 31 can be made first to freeze
And freeze after the water contacted with 11 inner surface of phase change cold-storage component, preventing phase change cold-storage component 11, process occurs because water congeals into ice
It expands and deformed damaged;Meanwhile can make with the water of 5 contact area of heat pipe ice freeze and melting process in be held in 0
Near DEG C, the temperature for being conducive to control 5 condensation segment of heat pipe is constant, and then is conducive to maintain 12 storage inside temperature of storing cavity
It is constant.Preferably, as shown in Fig. 2, and in order to enhance the heat exchanger effectiveness between heat pipe 5 and phase change cold-storage component 11, heat pipe 5 is inserted
In the bottom of phase change cold-storage component 11, and the part that heat pipe 5 is inserted in phase change cold-storage component 11 is obliquely installed upward, to ensure heat
5 internal working medium of pipe smoothly flows back, and heat exchange cycle is made to be smoothed out.
Further, as shown in figure 3, the accumulation of heat module further includes thermal conductive shell 63,61 He of the electric heating element
The phase-transition heat-storage component 62 is encapsulated in the thermal conductive shell 63, and the thermal conductive shell 63 is arranged in the storing cavity 12
In.Specifically, electric heating element 61 and the phase-transition heat-storage component 62 are packaged together mounted on storage by thermal conductive shell 63
Object cavity 12, electric heating element 61 stick on phase-transition heat-storage component 62, and accumulation of heat module is by thermal conductive shell 63 to storing cavity
12 inside discharge heat, meanwhile, thermal conductive shell 63 can strengthen the heat between electric heating element 61 and phase-transition heat-storage component 62 and hand over
It changes.Preferably, the heat portective switch 64 being connect with the electric heating element 61, heat portective switch are additionally provided in thermal conductive shell 63
64 can prevent the present embodiment cold-storage and thermal storage Combined constant temperature equipment control failure when, electric heating element 61 persistently be powered cause to store up
12 temperature anomaly of object cavity increases, and the operating temperature range of the heat portective switch 64 is usually arranged between 4 to 20 DEG C, in height
It disconnects when warm, is closed in low temperature.In addition, being also equipped with temperature sensor in phase-transition heat-storage component 62.Accumulation of heat module is normal
Heating break-make is controlled by the present embodiment cold-storage and thermal storage Combined constant temperature equipment mainboard, and operating temperature range is typically in the range of
Between 2 to 8 DEG C, start in low temperature point and heat, stops heating in high temperature dot.
The present invention also provides a kind of control methods, using above-mentioned cold-storage and thermal storage Combined constant temperature equipment;Control method includes
Energized state control method and off-position control method:
Energized state control method includes:
When the temperature of phase change cold-storage component is higher than the cold-storage temperature upper limit of phase change cold-storage component, compressor, which is powered, to be run
Refrigeration, cold pass to phase-change material for cold storage by evaporator, meanwhile, cold is transmitted to storage by phase change cold-storage component by heat pipe
Object cavity, to realize refrigerating function;
When the temperature of phase-transition heat-storage component is less than the regenerator temperature lower limiting value of phase-transition heat-storage component, electric heating element is powered
The heat generated is run, heating accumulation of energy is carried out to phase change heat storage material, meanwhile, heat is passed by the surface of phase-transition heat-storage component
It is delivered to storing cavity, to realize heat insulation function;
Off-position control method includes:
Phase-change material for cold storage phase transformation released cold quantity is realized by heat pipe heat exchanging and carries out cooling to storing cavity for a long time
Effect so that the temperature of storing cavity is less than storage temperature upper limit value in cold-storage and thermal storage Combined constant temperature equipment, meanwhile, in storing
When the temperature of cavity is less than the phase transition temperature value of phase change heat storage material, phase change heat storage material phase transformation discharges heat to absorb storage chamber
The extra cold of body so that the temperature of storing cavity is higher than storage temperature lower limiting value in cold-storage and thermal storage Combined constant temperature equipment.
Wherein, the phase transition temperature value of phase-change material for cold storage is less than storage temperature upper limit value, the phase alternating temperature of phase change heat storage material
Angle value is higher than storage temperature lower limiting value.In addition, cold-storage temperature upper limit changes and inverse change, accumulation of heat temperature with ambient temperature
Lower limiting value is spent with ambient temperature to change and inverse change.
Cold-storage and thermal storage Combined constant temperature equipment and control method provided by the invention, by the way that phase change cold-storage component and phase is arranged
Become thermal storage member, the phase-change material for cold storage in evaporator cooling phase-change cold-storage component, and electric heating element heats phase-transition heat-storage portion
Phase change heat storage material in part by lasting storage or releases energy, since phase-change material is in phase transition process so as to have
Fast storage big energy when energy supply;When energy free is supplied, long-time ensures to keep stable in storing cavity
Storage temperature avoids the storage temperature amplitude of variation of storing cavity excessive, realizes constant refrigeration storage, improves drug, vaccine
The safety of cold chain process.In addition, in the event of a power failure, phase change cold-storage component and phase-transition heat-storage component can be automatically according to outer
Influence of boundary's environment to storing inside cavity temperature carries out automatic released cold quantity or heat, without using accumulator
Refrigerating state is kept for a long time without refrigeration equipment in the case of electricity to realize, extends the refrigerating thermal-insulation time.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that:It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features;
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of cold-storage and thermal storage Combined constant temperature equipment, including thermal-insulating body, compressor, evaporator and condenser, the compression
Machine, the evaporator connect to form refrigerating circuit with the condenser, and storing cavity is additionally provided in the thermal-insulating body, special
Sign is, further includes cold-storage module and accumulation of heat module, and the cold-storage module includes phase change cold-storage component and heat pipe, the heat pipe position
In the storing cavity, the one end of the heat pipe is inserted in the phase change cold-storage component or is attached to the phase change cold-storage portion
Part surface, the evaporator are connect with the phase change cold-storage component heat transfer;The accumulation of heat module includes electric heating element and phase
Become thermal storage member, the electric heating element is connect with the phase-transition heat-storage component heat transfer, and the phase-transition heat-storage component is located at institute
It states in storing cavity, phase-change material for cold storage is provided in the phase change cold-storage component, phase is provided in the phase-transition heat-storage component
Change heat storage material.
2. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, which is characterized in that be arranged on the storing cavity
There are heat-conducting plate, the heat pipe to be attached on the heat-conducting plate;Or the storing cavity is metal heat-conducting courage body, the heat pipe is attached to
On the storing cavity.
3. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, which is characterized in that the end of the heat pipe connects
In the bottom of the phase change cold-storage component.
4. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, which is characterized in that the evaporator is located at described
In phase change cold-storage component, the evaporator includes multi-disc evaporation plate, and the evaporation plate is arranged side by side, evaporation plate described in adjacent two panels
The distance between be 20mm to 50mm, the distance between the evaporator and the side wall of the phase change cold-storage component and bottom are
30mm to 50mm.
5. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, which is characterized in that the phase change cold-storage component and
The phase-transition heat-storage component is respectively arranged with temperature sensor.
6. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, which is characterized in that the accumulation of heat module further includes
Thermal conductive shell, the electric heating element and the phase-transition heat-storage component are encapsulated in the thermal conductive shell, and the thermal conductive shell is set
It sets in the storing cavity.
7. cold-storage and thermal storage Combined constant temperature equipment according to claim 6, which is characterized in that also set in the thermal conductive shell
It is equipped with the heat portective switch being connect with the electric heating element.
8. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, which is characterized in that the phase change cold-storage component and
Sealing thermal insulation board is provided between the storing cavity, the heat pipe passes through the sealing thermal insulation board.
9. a kind of cold-storage and thermal storage Combined constant temperature apparatus control method, which is characterized in that using as described in claim 1-8 is any
Cold-storage and thermal storage Combined constant temperature equipment;Control method includes energized state control method and off-position control method:
Energized state control method includes:
When the temperature of phase change cold-storage component is higher than the cold-storage temperature upper limit of phase change cold-storage component, compressor, which is powered, runs system
Cold, cold passes to phase-change material for cold storage by evaporator, meanwhile, cold is transmitted to storing by phase change cold-storage component by heat pipe
Cavity, to realize refrigerating function;
When the temperature of phase-transition heat-storage component is less than the regenerator temperature lower limiting value of phase-transition heat-storage component, electric heating element, which is powered, to be run
The heat of generation carries out heating accumulation of energy to phase change heat storage material, meanwhile, it is transferred heat to by the surface of phase-transition heat-storage component
Storing cavity, to realize heat insulation function;
Off-position control method includes:
Phase-change material for cold storage phase transformation released cold quantity realizes the effect for carrying out cooling to storing cavity for a long time by heat pipe heat exchanging,
So that the temperature of storing cavity is less than storage temperature upper limit value in cold-storage and thermal storage Combined constant temperature equipment, meanwhile, in storing cavity
Temperature be less than phase change heat storage material phase transition temperature value when, phase change heat storage material phase transformation discharge heat it is more to absorb storing cavity
Remaining cold so that the temperature of storing cavity is higher than storage temperature lower limiting value in cold-storage and thermal storage Combined constant temperature equipment.
10. cold-storage and thermal storage Combined constant temperature apparatus control method according to claim 9, which is characterized in that cold-storage temperature
Upper limit value changes and inverse change with ambient temperature, and regenerator temperature lower limiting value changes with ambient temperature and reversely becomes
Change.
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CN201510416894.7A CN105444488B (en) | 2015-07-16 | 2015-07-16 | Cold-storage and thermal storage Combined constant temperature equipment and control method |
PCT/CN2015/098353 WO2017008445A1 (en) | 2015-07-16 | 2015-12-23 | Thermostatic apparatus combining cold-storage and heat-storage and control method therefor |
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WO2017008445A1 (en) | 2017-01-19 |
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Address after: 266555 Haier Industrial Park, Qingdao economic and Technological Development Zone, Shandong Patentee after: Qingdao Haier Bio Medical Limited by Share Ltd Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Qingdao, Shandong. Patentee before: Haier Medical and Laboratory Products Co., Ltd. |