CN204854115U - Cold -storage heat accumulation combination formula thermostatic equipment - Google Patents
Cold -storage heat accumulation combination formula thermostatic equipment Download PDFInfo
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- CN204854115U CN204854115U CN201520514308.8U CN201520514308U CN204854115U CN 204854115 U CN204854115 U CN 204854115U CN 201520514308 U CN201520514308 U CN 201520514308U CN 204854115 U CN204854115 U CN 204854115U
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Abstract
The utility model provides a cold -storage heat accumulation combination formula thermostatic equipment. Cold -storage heat accumulation combination formula thermostatic equipment including insulation box, compressor, evaporimeter and condenser, still is provided with object storage cavity among the insulation box, its characterized in that still including holding cold die piece and heat accumulation module, holds the cold die piece and includes phase transition cold -storage parts and heat pipe, and the heat pipe is arranged in object storage cavity, and a tip of heat pipe inserts in phase transition cold -storage parts or pastes on phase transition cold -storage parts surface, and the evaporimeter is connected with the heat -conduction of phase transition cold -storage parts, the heat accumulation module includes electrical heating part and phase -change thermal part, and the electrical heating part is connected with the heat -conduction of phase -change thermal part, and the phase -change thermal part is arranged in object storage cavity, is provided with phase transition cold -storage material in the phase transition cold -storage part, is provided with the phase -change thermal material in the phase -change thermal part. Realize the cold -stored storage of constant temperature, improved the security of medicine, bacterin cold chain process.
Description
Technical field
The utility model relates to refrigeration plant, particularly relates to a kind of cold-storage and thermal storage Combined constant temperature equipment.
Background technology
Along with development and all kinds of epiphytotics control needs of modern medicine, the application of all kinds of Novel medicine, vaccine is more universal.This type of medical material is usually more responsive to temperature, proposes thus upgrade demand widely for corresponding Cold Chain Logistics.Wherein, not isometric Medical refrigerator product is this similar drug, vaccine materials stores, the important preservation equipment of transport, for ensureing that medicine, vaccine safety are significant.
Usually, vaccine must be stored between+2 DEG C to+8 DEG C, but, because the medical material such as medicine, vaccine logistics cold chain process is complicated, multiple occasion may be run into, such as Vehicle Transportation, the remote rural area without normal electricity supply, the hot environment of four or five ten degree, the storage environment about zero degree etc.This environment complicated and changeable is preserved for the constant temperature of medicine, vaccine and is proposed harsh challenge, and the medicine that annual because temperature reason causes, vaccine failure waste are very huge.Therefore, how to design one and realize constant refrigeration storage, the refrigeration plant of the security of raising medicine, vaccine cold chain process is technical problem to be solved in the utility model.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of cold-storage and thermal storage Combined constant temperature equipment, realizes constant refrigeration and stores, improve the security of medicine, vaccine cold chain process.
The technical scheme that the utility model provides is, a kind of cold-storage and thermal storage Combined constant temperature equipment, comprise thermal-insulating body, compressor, evaporimeter and condenser, described compressor, described evaporimeter and described condenser are connected to form refrigerating circuit, storing cavity is also provided with in described thermal-insulating body, also comprise cold-storage module and accumulation of heat module, described cold-storage module comprises phase change cold-storage parts and heat pipe, described heat pipe is arranged in described storing cavity, one end of described heat pipe is inserted in described phase change cold-storage parts or is attached to described phase change cold-storage parts surface, described evaporimeter is connected with described phase change cold-storage parts heat transfer, described accumulation of heat module comprises electric heating element and phase-transition heat-storage parts, described electric heating element is connected with described phase-transition heat-storage parts heat transfer, described phase-transition heat-storage parts are arranged in described storing cavity, be provided with phase-change material for cold storage in described phase change cold-storage parts, in described phase-transition heat-storage parts, be provided with phase change heat storage material.
Further, described storing cavity is provided with heat-conducting plate, described heat pipe is attached on described heat-conducting plate; Or described storing cavity is metal heat-conducting courage body, and described heat pipe is attached on described storing cavity.
Further, the end of described heat pipe is connected to the bottom of described phase change cold-storage parts.
Further, described evaporimeter is arranged in described phase change cold-storage parts, described evaporimeter comprises multi-disc evaporation plate, described evaporation plate is arranged side by side, distance described in adjacent two panels between evaporation plate is 20mm to 50mm, and the distance between the sidewall of described evaporimeter and described phase change cold-storage parts and bottom is 30mm to 50mm.
Further, described phase change cold-storage parts and described phase-transition heat-storage parts are respectively arranged with temperature sensor.
Further, described accumulation of heat module also comprises thermal conductive shell, and described electric heating element and described phase-transition heat-storage parts are encapsulated in described thermal conductive shell, and described thermal conductive shell is arranged in described storing cavity.
Further, the heat portective switch be connected with described electric heating element is also provided with in described thermal conductive shell.
Further, be provided with sealing thermal insulation board between described phase change cold-storage parts and described storing cavity, described heat pipe is through described sealing thermal insulation board.
The cold-storage and thermal storage Combined constant temperature equipment that the utility model provides, by arranging phase change cold-storage parts and phase-transition heat-storage parts, phase-change material for cold storage in evaporator cools phase change cold-storage parts, and the phase change heat storage material in electric heating element heating phase-transition heat-storage parts, because phase-change material is in phase transition process, by lasting storage or release energy, thus can when there being energy supply the large energy of fast storage; Guarantee can keep stable storing temperature in storing cavity for a long time when energy free is supplied, avoid the storing temperature amplitude of variation of storing cavity excessive, realize constant refrigeration and store, improve the security of medicine, vaccine cold chain process.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation one of the utility model cold-storage and thermal storage Combined constant temperature apparatus embodiments;
Fig. 2 is the structural representation two of the utility model cold-storage and thermal storage Combined constant temperature apparatus embodiments;
Fig. 3 is the structural representation of accumulation of heat module in the utility model cold-storage and thermal storage Combined constant temperature apparatus embodiments.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the present embodiment cold-storage and thermal storage Combined constant temperature equipment, comprise thermal-insulating body 1, electric energy feedway (not shown), compressor 2, evaporimeter 3 and condenser 4, compressor 2, evaporimeter 3 and condenser 4 are connected to form refrigerating circuit, wherein, also throttling arrangement is provided with between evaporimeter 3 and condenser 4, storing cavity 12 is also provided with in thermal-insulating body 1, the present embodiment cold-storage and thermal storage Combined constant temperature equipment also comprises cold-storage module and accumulation of heat module, cold-storage module comprises change cold-storage parts 11 and heat pipe 5, evaporimeter 3 is connected with phase change cold-storage parts 11 heat trnasfer, storing cavity 12 is also provided with heat pipe 5, one end of heat pipe 5 is inserted in phase change cold-storage parts 11 or heat exchange is carried out on the surface that is attached to phase change cold-storage parts 11, described accumulation of heat module comprises electric heating element 61 and phase-transition heat-storage parts 62, described electric heating element 61 is connected with described phase-transition heat-storage parts 62 heat transfer, described phase-transition heat-storage parts 62 are arranged in described storing cavity 12, phase-change material for cold storage is provided with in described phase change cold-storage parts 11, phase change heat storage material is provided with in described phase-transition heat-storage parts 62, electric energy feedway is connected with compressor 2 and electric heating element 61.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, phase change cold-storage parts 11 and phase-transition heat-storage parts 62 are provided with in the present embodiment cold-storage and thermal storage Combined constant temperature equipment, and the phase-change material for cold storage in phase change cold-storage parts 11 is for storing cold, and phase change heat storage material is used for storing heat in phase-transition heat-storage parts 62, cooperatively interacted by phase change cold-storage parts 11 and phase-transition heat-storage parts 62, can meet in larger ring temperature excursion (such as ring temperature 45 DEG C to-10 DEG C), the present embodiment cold-storage and thermal storage Combined constant temperature equipment keeps long constant temperature to store.Wherein, phase-change material for cold storage can adopt phase point temperature at the material of about 0 DEG C, such as: water etc.; And phase change heat storage material can adopt the phase-change material of phase point temperature between 3 to 6 DEG C, such as: molecular formula is the alkanes mixture of CnH2n+2, its transition temperature range narrow (being about 4 to 5 DEG C), latent heat of phase change is larger, utilize a small amount of material to store more heat transfer, meet the temperature of refrigerating box in longer energy interruption situation and maintain needs.Electric energy feedway is when providing electric energy, compressor 2 and electric heating element 61 are energized operation as required, when cold-storage temperature upper limit higher than phase change cold-storage parts of the temperature of phase change cold-storage parts, compressor 2 is energized, evaporimeter 3 directly freezes to the water in phase change cold-storage parts 11, make to form frozen water admixture in phase change cold-storage parts 11, and the cold in phase change cold-storage parts 11 is passed in storing cavity 12 and freezed by the heat pipe 5 be inserted in phase change cold-storage parts 11, maintain storing cavity 12 in the temperature range of setting; When regenerator temperature lower limit lower than phase-transition heat-storage parts of the temperature of phase-transition heat-storage parts, electric heating element 61 is energized, electric heating element 61 heats phase-transition heat-storage parts 62, phase-transition heat-storage parts 62 reject heat in storing cavity 12 and heat while accumulation of heat, maintain storing cavity 12 in the temperature range of setting.And the performance entity of the present embodiment cold-storage and thermal storage Combined constant temperature equipment can be vertical refrigeration plant as shown in Figure 1, it also can be horizontal refrigeration plant as shown in Figure 2.
Wherein, temperature sensor (not shown) is provided with in phase change cold-storage parts 11, temperature sensor is for detecting the temperature in phase change cold-storage parts 11, refrigerated storage temperature is set in for the temperature in storing cavity 12 in the present embodiment cold-storage and thermal storage Combined constant temperature equipment, then the cold-storage temperature in phase change cold-storage parts 11 is set as-2 DEG C to 2 DEG C, namely, when the temperature in phase change cold-storage parts 11 reaches below-2 DEG C, compressor 2 is shut down; Time more than the temperature recovery to 2 in phase change cold-storage parts 11 DEG C, compressor 2 is started shooting, freezing of most of water in the temperature in phase change cold-storage parts 11 can be ensured like this, be unlikely to again because solidification point is too low simultaneously, cause whole water fully charges, can prevent because of the risk that the water fully charge in phase change cold-storage parts 11 causes phase change cold-storage parts 11 dilatancy to be damaged and temperature in the storing cavity 12 that may cause is too low.In addition, in order to avoid directly carrying out heat exchange between phase change cold-storage parts 11 and storing cavity 12, the temperature affected in storing cavity 12 sets, thermal insulation board 10 is provided with in thermal-insulating body 1, thermal-insulating body 1 is divided into upper installation cavity and lower installation cavity by thermal insulation board 10, phase change cold-storage parts 11 are arranged in installation cavity, storing cavity 12 is arranged in lower installation cavity, and phase change cold-storage parts 11 and storing cavity 12 are kept apart by thermal insulation board 10, and the complete heat pipe 5 of heat exchange is between the two completed.And utilize heat pipe 5 self-characteristic, cryogenic temperature adjusting control function in storing cavity 12 can also be realized, for heat pipe 5, usually minimum heat transfer temperature difference characteristic is had, namely in diabatic process, there is heat transfer temperature difference in condensation segment and the evaporator section of heat pipe 5, when being less than this temperature difference, its heat-transfer capability declines fast; Minimum heat transfer temperature difference is relevant with the factor such as type, structure, working medium of heat pipe 5, can need suitably adjustment according to design.Such as: in vaccine refrigerating application, usually need ensure that the refrigerated space temperature in storing cavity 12 is not less than 2 DEG C, and phase change cold-storage parts 11 are in freezing and thawing process, its temperature remains on 0 DEG C substantially.Now can design the minimum heat transfer temperature difference of heat pipe 5 is 2 DEG C, thus when the refrigerated space temperature in storing cavity 12 is down to 2 DEG C, due to close to the minimum poor heat transfer limit value of heat pipe 5, heat pipe 5 heat exchange amount reduces, and avoids the generation of the too low situation of refrigerated storage space temperature occurred in storing cavity 12.
Further, in order to make the cryogenic temperature in storing cavity 12 keep evenly, storing cavity 12 can adopt metal heat-conducting courage body, or can arrange heat-conducting plate 13 on storing cavity 12, heat pipe 5 is attached on heat-conducting plate 13.Concrete, to adopt heat-conducting plate 13, the cold that heat pipe 5 can transmit by heat-conducting plate 13 is discharged in storing cavity 12 more uniformly, preferably, heat pipe 5 and heat-conducting plate 13 are distributed in the upper position of storing cavity 12, heat-conducting plate 13 utilizes cold air naturally to sink and cold is introduced in storing cavity 12 by the mode of radiation more uniformly, and circulates without the need to blower fan.And evaporimeter 3 comprises multi-disc evaporation plate 31, evaporation plate 31 is arranged side by side, and the distance between adjacent two panels evaporation plate 31 is 20mm to 50mm, and the distance between the sidewall of evaporimeter 3 and phase change cold-storage parts 11 and bottom is 30mm to 50mm.Concrete, evaporation plate 31 is arranged in parallel at regular intervals in phase change cold-storage parts 11, enhances heat exchange efficiency, is conducive to quick, the even glaciation of water and carries out cold-storage.And evaporimeter 3 apart from bottom phase change cold-storage parts 11 and surrounding keep certain intervals, the water that contacts with evaporation plate 31 can be made first to freeze and icing after the water that contact with phase change cold-storage parts 11 inner surface, process expands and deformed damaged because water congeals into ice to prevent phase change cold-storage parts 11; Meanwhile, can make all to remain near 0 DEG C in the freezing and thawing process of ice with the water of heat pipe 5 contact area, be conducive to the temperature constant controlling heat pipe 5 condensation segment, and then be conducive to maintaining the constant of storing cavity 12 storage inside temperature.Preferably, as shown in Figure 2, and in order to strengthen the heat exchanger effectiveness between heat pipe 5 and phase change cold-storage parts 11, heat pipe 5 is inserted in the bottom of phase change cold-storage parts 11, and the part that heat pipe 5 is inserted in phase change cold-storage parts 11 is obliquely installed upward, to ensure that heat pipe 5 internal working medium refluxes smoothly, recuperated cycle is carried out smoothly.
Further, as shown in Figure 3, described accumulation of heat module also comprises thermal conductive shell 63, and described electric heating element 61 and described phase-transition heat-storage parts 62 are encapsulated in described thermal conductive shell 63, and described thermal conductive shell 63 is arranged in described storing cavity 12.Concrete, by thermal conductive shell 63 electric heating element 61 and described phase-transition heat-storage parts 62 be packaged together and be arranged on storing cavity 12, electric heating element 61 abuts on phase-transition heat-storage parts 62, accumulation of heat module passes through thermal conductive shell 63 to the inner release heat of storing cavity 12, meanwhile, thermal conductive shell 63 can strengthen the heat exchange between electric heating element 61 and phase-transition heat-storage parts 62.Preferably; the heat portective switch 64 be connected with described electric heating element 61 is also provided with in thermal conductive shell 63; when heat portective switch 64 can prevent the present embodiment cold-storage and thermal storage Combined constant temperature equipment from controlling to lose efficacy; electric heating element 61 continues energising and causes storing cavity 12 temperature anomaly to raise; the operating temperature range of this heat portective switch 64 is set usually between 4 to 20 DEG C; disconnect when high temperature, closed when low temperature.In addition, also temperature sensor is provided with in phase-transition heat-storage parts 62.It is controlled by the present embodiment cold-storage and thermal storage Combined constant temperature equipment mainboard that accumulation of heat module heats break-make normally, and its operating temperature range, generally between 2 to 8 DEG C, starts heating at low warm spot, stops heating at high temperature dot.
The cold-storage and thermal storage Combined constant temperature equipment that the utility model provides, by arranging phase change cold-storage parts and phase-transition heat-storage parts, phase-change material for cold storage in evaporator cools phase change cold-storage parts, and the phase change heat storage material in electric heating element heating phase-transition heat-storage parts, because phase-change material is in phase transition process, by lasting storage or release energy, thus can when there being energy supply the large energy of fast storage; Guarantee can keep stable storing temperature in storing cavity for a long time when energy free is supplied, avoid the storing temperature amplitude of variation of storing cavity excessive, realize constant refrigeration and store, improve the security of medicine, vaccine cold chain process.In addition, in the event of a power failure, phase change cold-storage parts and phase-transition heat-storage parts can carry out automatic released cold quantity or heat according to the impact of external environment on storing cavity internal temperature automatically, thus without the need to adopting battery just can realize keeping refrigerating state for a long time without refrigeration plant in electric situation, extend the refrigerating thermal-insulation time.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. a cold-storage and thermal storage Combined constant temperature equipment, comprise thermal-insulating body, compressor, evaporimeter and condenser, described compressor, described evaporimeter and described condenser are connected to form refrigerating circuit, storing cavity is also provided with in described thermal-insulating body, it is characterized in that, also comprise cold-storage module and accumulation of heat module, described cold-storage module comprises phase change cold-storage parts and heat pipe, described heat pipe is arranged in described storing cavity, one end of described heat pipe is inserted in described phase change cold-storage parts or is attached to described phase change cold-storage parts surface, described evaporimeter is connected with described phase change cold-storage parts heat transfer, described accumulation of heat module comprises electric heating element and phase-transition heat-storage parts, described electric heating element is connected with described phase-transition heat-storage parts heat transfer, described phase-transition heat-storage parts are arranged in described storing cavity, be provided with phase-change material for cold storage in described phase change cold-storage parts, in described phase-transition heat-storage parts, be provided with phase change heat storage material.
2. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, is characterized in that, described storing cavity is provided with heat-conducting plate, and described heat pipe is attached on described heat-conducting plate; Or described storing cavity is metal heat-conducting courage body, and described heat pipe is attached on described storing cavity.
3. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, is characterized in that, the end of described heat pipe is connected to the bottom of described phase change cold-storage parts.
4. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, it is characterized in that, described evaporimeter is arranged in described phase change cold-storage parts, described evaporimeter comprises multi-disc evaporation plate, described evaporation plate is arranged side by side, distance described in adjacent two panels between evaporation plate is 20mm to 50mm, and the distance between the sidewall of described evaporimeter and described phase change cold-storage parts and bottom is 30mm to 50mm.
5. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, is characterized in that, described phase change cold-storage parts and described phase-transition heat-storage parts are respectively arranged with temperature sensor.
6. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, it is characterized in that, described accumulation of heat module also comprises thermal conductive shell, and described electric heating element and described phase-transition heat-storage parts are encapsulated in described thermal conductive shell, and described thermal conductive shell is arranged in described storing cavity.
7. cold-storage and thermal storage Combined constant temperature equipment according to claim 6, is characterized in that, is also provided with the heat portective switch be connected with described electric heating element in described thermal conductive shell.
8. cold-storage and thermal storage Combined constant temperature equipment according to claim 1, is characterized in that, is provided with sealing thermal insulation board between described phase change cold-storage parts and described storing cavity, and described heat pipe is through described sealing thermal insulation board.
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| CN201520514308.8U CN204854115U (en) | 2015-07-16 | 2015-07-16 | Cold -storage heat accumulation combination formula thermostatic equipment |
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| CN201520514308.8U CN204854115U (en) | 2015-07-16 | 2015-07-16 | Cold -storage heat accumulation combination formula thermostatic equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444488A (en) * | 2015-07-16 | 2016-03-30 | 青岛海尔特种电器有限公司 | Cold-storage heat-storage combined type constant temperature equipment and control method |
| CN110579060A (en) * | 2019-09-24 | 2019-12-17 | 长虹美菱股份有限公司 | Modularized refrigerator based on heat pipe combined refrigeration system |
| CN110953839A (en) * | 2019-11-27 | 2020-04-03 | 珠海格力电器股份有限公司 | Storage device, temperature monitoring method and power supply control method |
-
2015
- 2015-07-16 CN CN201520514308.8U patent/CN204854115U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444488A (en) * | 2015-07-16 | 2016-03-30 | 青岛海尔特种电器有限公司 | Cold-storage heat-storage combined type constant temperature equipment and control method |
| WO2017008445A1 (en) * | 2015-07-16 | 2017-01-19 | 青岛海尔特种电器有限公司 | Thermostatic apparatus combining cold-storage and heat-storage and control method therefor |
| CN105444488B (en) * | 2015-07-16 | 2018-08-28 | 青岛海尔特种电器有限公司 | Cold-storage and thermal storage Combined constant temperature equipment and control method |
| CN110579060A (en) * | 2019-09-24 | 2019-12-17 | 长虹美菱股份有限公司 | Modularized refrigerator based on heat pipe combined refrigeration system |
| CN110953839A (en) * | 2019-11-27 | 2020-04-03 | 珠海格力电器股份有限公司 | Storage device, temperature monitoring method and power supply control method |
| CN110953839B (en) * | 2019-11-27 | 2021-03-02 | 珠海格力电器股份有限公司 | Storage device, temperature monitoring method and power supply control method |
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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. |