CN110513961A - Refrigeration cold insulation can be provided simultaneously and heat the incubator and its temperature control method of thermal protection - Google Patents

Refrigeration cold insulation can be provided simultaneously and heat the incubator and its temperature control method of thermal protection Download PDF

Info

Publication number
CN110513961A
CN110513961A CN201910369261.3A CN201910369261A CN110513961A CN 110513961 A CN110513961 A CN 110513961A CN 201910369261 A CN201910369261 A CN 201910369261A CN 110513961 A CN110513961 A CN 110513961A
Authority
CN
China
Prior art keywords
case
sub
incubator
door
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910369261.3A
Other languages
Chinese (zh)
Inventor
余建中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN110513961A publication Critical patent/CN110513961A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/18Containers, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/50Containers, packaging elements or packages, specially adapted for particular articles or materials for living organisms, articles or materials sensitive to changes of environment or atmospheric conditions, e.g. land animals, birds, fish, water plants, non-aquatic plants, flower bulbs, cut flowers or foliage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00Machines, plants or systems, using electric or magnetic effects
    • F25B21/02Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00Other cooling or freezing apparatus
    • F25D31/005Combined cooling and heating devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/021Control thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/025Removal of heat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Evolutionary Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Toxicology (AREA)
  • Zoology (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention discloses a kind of incubator that can be provided refrigeration cold insulation simultaneously and heat thermal protection;Two sub- casees of energy independent switch door are included at least inside a thermal-insulating body for having thermal insulation layer, at least one face of sub- case is as made by high conduction metal, and semiconductor refrigeration chip is tightly sticked together between this metal covering and another sub- case metal covering, directly make two sub- casees using heat exchange pattern while playing refrigeration cold insulation and heating the function of thermal protection;And because being air-tight state inside and outside case, high insulating efficiency can be improved, also can overturning cabinet make door upward, specified sub- case can be made to reach specified temperature by temperature-controlling module and automatic switch door component, make incubator that can also have the function of smoldering pan etc..

Description

Refrigeration cold insulation can be provided simultaneously and heat the incubator and its temperature control method of thermal protection
Technical field
The present invention relates to a kind of using semiconductor chilling plate as the incubator of core, further using thermal-insulating technology come every The temperature inside the box is carried out with automatic switch door component from the interference between the chill surface of semiconductor and heating face, and with temperature control component Control.
Background technique
Semiconductor chilling plate is also thermoelectric module, is a kind of heat pump, and its advantages are not need any refrigerant, can connect Continuous work, no pollution sources do not have rotary part, will not generate gyroscopic action, and no slide unit is a kind of solid sheet, work Do not shaken when making, noise, service life it is long, be the Peltier effect using semiconductor material, when direct current passes through two kinds of differences half Conductor material in series at galvanic couple when, the both ends of galvanic couple can absorb respectively heat and release heat, can be realized simultaneously system The cold purpose with heating;But previous semiconductor incubator only does simple function use mostly within the same time, when as guarantor When cold function, thermal energy is discharged into outside case indirectly via radiating fin and fan;When as thermal protection function, then via scattered outside case Hot fin and fan absorb thermal energy indirectly, then via semiconductor chip by thermal energy conduction to case to do thermal protection use;It implies that existing There is technology there was only the part of single consideration heat release or heat absorption, therefore can at least slattern the energy of half but also will increase fan Power consumption.
Small part emphasizes energy-efficient dual temperature semiconductor incubator, is all to add though considering heat absorption and exothermic part simultaneously Filling radiating fin and fan or condensate pipe is used in semiconductor chilling plate to achieve the purpose that Partial controll neither endothermic nor exothermic While cold insulation acts on, the thermal energy being absorbed into can be switched to heating or hot water uses;Or while being used in thermal protection effect, it can will refer to The heat absorption for determining region comes and can manufacture cold air or ice water, since semiconductor refrigeration chip belongs to low power refrigeration and system Hot component, on the air-conditioning for needing moment that can have heating, cold air, effect is extremely limited, and is used in the supply of hot water, ice water On, it also is unable to supply enough warm water due to space limits in incubator, so that existing dual temperature semiconductor incubator market receives Degree can not improve always.
Summary of the invention
Since three kinds of transmission modes of thermal energy are the efficiency highests with conduction pattern, the prior art is by thermal energy via scattered The mode that hot fin and fan or condensate pipe are transmitted indirectly, certainly will generate the thermal energy consume of part, and because of will be via Thermal energy is discharged or is transmitted to case in heat preservation by medium, is that can not carry out heat-insulated processing inside and outside case in the transit area, can not It will affect the heat insulation effect of entire incubator when continued power;Also because cabinet has heat release hole, be not suitable for rotation cabinet, But also the use space in the using face and case of incubator all receive it is contained.
The present invention inside a thermal-insulating body for having thermal insulation layer, including at least can independent switch door two sub- casees, half Conductor cooling piece, temperature control component and switch door component;At least one face of sub- case be as made by high conduction metal, and this gold Semiconductor refrigeration chip is tightly sticked together between category face and another sub- case metal covering, the surrounding between two metal coverings can put on heat insulating mattress It after piece, carries out vacuumize process or is filled up completely heat-insulated material, interfered with each other to avoid cold and hot between two metal coverings;One sub- case Metal covering directly via the chill surface of chip, absorb the thermal energy in sub- case in thermo-conducting manner, and play refrigeration cold insulation Function, and thermal energy then can be transmitted to the son with heat exchange pattern directly via the heating face of chip by the metal covering of another sub- case In case, to play the function of heating thermal protection, refrigeration and the part of heating of semiconductor chip is combined, makes thermal energy completely not Waste.
Thermal-insulating body of the invention is also afraid of without fan etc. in sub- case because not needing radiator fan so without heat release hole The component of water, so chamber door can be increased to the other function of incubator on, such as smoldering pan, ice temperature defreezing box, water proof add Hot pot etc.;As long as connecting temperature control component on a semiconductor die, when specified incubator is set as freezing preferential, in the sub- case that freezes Not up to before assigned temperature, other than semiconductor core sector-meeting is with highest efficiency continued operation, temperature control component can driving switch door group The door for heating sub- case is automatically turned on about 1 centimeter by part, spreads out of case to heat the extra thermal energy of case via crack between a door and its frame free convection In vitro, user directly can also be built into hot water in refrigeration case to draw thermal energy, after reaching assigned temperature, temperature control component meeting The door for heating sub- case is automatically closed driving switch door component, and reduces voltage or close power supply, into the standby heat preservation of incubator State;Conversely, when specified incubator is to heat preferential, before heating sub- case and being not up to assigned temperature, in addition to semiconductor chip Outside can be with highest efficiency continued operation, the door of refrigeration case be automatically turned on about 1 centimeter by temperature control component meeting driving switch door component, with Just the external thermal energy of respiratory box, user directly can also be built into hot water in refrigeration case to provide thermal energy, specify temperature when reaching When spending, the door for heating sub- case is automatically closed temperature control component meeting driving switch door component, and reduces voltage or close power supply, enters The standby keeping warm mode of incubator.
Detailed description of the invention
Fig. 1 is perspective view of the present invention;
Fig. 2 is exploded view of the present invention;
Chamber door switchs door component upward and pushes the door open one centimeter of signal with thermal energy outside respiratory box when Fig. 3 is as smoldering pan Figure.
Specific embodiment
As shown in Fig. 2, being placed at least one face inside thermal-insulating body 1 is two sons as made by high conduction metal Case 3,4, and semiconductor refrigeration chip 2 is tightly sticked together between this metal covering 5 and another sub- case metal covering 6, between two metal coverings Surrounding can put on heat insulating mattress 12 after, carry out vacuumize process or being filled up completely heat-insulated material, to avoid between two metal coverings Cold and hot interfere with each other;The metal covering 5 of one sub- case 3 absorbs in sub- case in thermo-conducting manner directly via the chill surface of chip Thermal energy, and play the function of refrigeration cold insulation, and the metal covering 6 of another sub- case 4 then can be directly via the heating face of chip, with heat Thermal energy is transmitted in the sub- case by conduction pattern, to play the function of heating thermal protection, combines the refrigeration of semiconductor chip With the part of heating, waste thermal energy not completely.
Because the present invention does not need radiator fan, so can not have to have heat release hole outside cabinet, without fan etc. in sub- case yet Component afraid of water, so chamber door can be increased to the function of incubator on, such as the heating of smoldering pan, ice temperature defreezing box, water proof Pot etc., as shown in Figure 3;As long as connecting temperature control component 13 on semiconductor chip 2, when specified incubator 3 is set as refrigeration preferentially When, before the sub- case that freezes is not up to assigned temperature, other than semiconductor chip 2 can be with highest efficiency continued operation, temperature control component 13 can driving switch door components 9 will heat sub- case door 11 automatically turn on about 1 centimeter, so as to will heat the extra thermal energy of case via Crack between a door and its frame free convection is spread out of outside cabinet, and user directly can also be built into ice cube in heating case 4 and draw thermal energy, specified when reaching After temperature, the door 11 for heating sub- case is automatically closed the meeting of temperature control component 13 driving switch door component 9, and reduces voltage or close electricity Source, into the standby keeping warm mode of incubator;Conversely, when specified incubator 4 is to heat preferential, it is not up to specified heating sub- case Before temperature, other than semiconductor chip 2 can be with highest efficiency continued operation, the meeting of temperature control component 13 driving switch door component 8 will be made The door 10 of ice chest automatically turns on about 1 centimeter, and so as to the external thermal energy of respiratory box, user can also be directly built in refrigeration case 3 Enter hot water to provide thermal energy, when reaching assigned temperature, temperature control component 13 understands driving switch door component 8 for the door 10 for the sub- case that freezes It is automatically closed, and reduces voltage or close power supply, into the standby keeping warm mode of incubator.
Symbol description
1, thermal-insulating body
2, semiconductor refrigeration chip
3, freeze sub- case
4, sub- case is heated
5~6, sub- case high conduction metal covering
7, cabinet thermal insulation layer
8~9, door component is switched
10~11, door
12, sub- case high conduction metal covering heat insulating mattress
13, temperature control component.

Claims (4)

1. a kind of incubator that can be provided refrigeration cold insulation simultaneously and heat thermal protection function, comprising: one has the incubator of thermal insulation layer Body, cabinet the inside include at least two sub- casees, semiconductor chilling plate, temperature control component and the switch door component of energy independent switch door; It is characterized in that, entire cabinet is total closed type other than door, heat-insulated material or pumping are filled between sub- case and cabinet Vacuum, sub- case by left and right or up and down or in tandem in a manner of, each at least one face of sub- case is door, and sub- case is at least One face is tightly to stick together at least one semiconductor between this metal covering and another sub- case metal covering as made by high conduction metal Chip enables the metal covering of a sub- case to absorb the thermal energy in sub- case via the chill surface of chip, and the metal covering of another sub- case can be through By the heating face of chip by thermal energy conduction to sub- case, thus enables two sub- casees while playing refrigeration cold insulation respectively and heating is protected The function of heat.
2. incubator according to claim 1, which is characterized in that between two sub- case metal coverings only between across semiconductor core Thickness of the piece less than 1 centimeter, the mutual situation absorbed heat heat release and generate counteracting, can be in the surrounding set between this two panels metal covering After upper heat insulating mattress, then vacuumize process or stuffed heat insulated material will be carried out between two metal coverings.
3. a kind of side that the two sub- casees made in incubator described in claim 1 increase to object temperature conduction efficiency in case Method, which is characterized in that this method comprises: five faces by sub- case other than door, are made and be designed as with high conduction metal Seal it is water-tight, can by the face of cabinet door overturn upward, make that water can be injected in sub- case, increase sub- case metal covering with water Temperature conduction between content.
4. a kind of sub- case enable in incubator described in claim 1 reduces refrigeration and increases the method for heating temperature, special Sign is, which comprises semiconductor chip is connected temperature control component, when specified incubator is set as freezing preferential, In Before the sub- case that freezes is not up to assigned temperature, other than semiconductor chip is with highest efficiency continued operation, temperature control Component driver is automatic Switch door component will heat about 1 centimeter of the door automatic opening of sub- case, naturally right via crack between a door and its frame to heat the extra thermal energy of case It is external to spread outlet, user also can be put into ice cube in heating case to draw thermal energy, after reaching assigned temperature, temperature control group The door for heating sub- case is automatically closed part driving switch door component, and reduces voltage or close power supply, into the standby guarantor of incubator Temperature state;Conversely, when specified incubator is to heat preferential, before heating sub- case and being not up to assigned temperature, in addition to semiconductor core Piece with highest efficiency continued operation outside, temperature control Component driver switchs door component and the door of refrigeration case is automatically turned on about 1 centimeter, so as to The external thermal energy of respiratory box, user also can be put into hot water to provide thermal energy in refrigeration case, when reaching assigned temperature, temperature The door for heating sub- case is automatically closed control Component driver switch door component, and reduces voltage or close power supply, waits for into incubator Machine keeping warm mode.
CN201910369261.3A 2018-05-22 2019-05-05 Refrigeration cold insulation can be provided simultaneously and heat the incubator and its temperature control method of thermal protection Pending CN110513961A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW107117395 2018-05-22
TW107117395A TWI661168B (en) 2018-05-22 2018-05-22 At the same time can provide refrigeration and heat insulation box and its temperature control method

Publications (1)

Publication Number Publication Date
CN110513961A true CN110513961A (en) 2019-11-29

Family

ID=67764063

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910369261.3A Pending CN110513961A (en) 2018-05-22 2019-05-05 Refrigeration cold insulation can be provided simultaneously and heat the incubator and its temperature control method of thermal protection

Country Status (2)

Country Link
CN (1) CN110513961A (en)
TW (1) TWI661168B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022013726A1 (en) * 2020-07-14 2022-01-20 Wyllie Nicholas James Improvements to thermally insulated housings

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326278B (en) * 1997-06-10 1999-08-25 Smc Corp Fast thin-plate cooling apparatus
CN2937955Y (en) * 2006-08-01 2007-08-22 陈尊山 Multifunction multi-temp zone semiconductor refrigeration (heating) themal insulation cabinet
CN103438630A (en) * 2013-09-06 2013-12-11 广东富信科技股份有限公司 Method for controlling semiconductor refrigeration system and semiconductor refrigeration system
CN204574598U (en) * 2015-03-26 2015-08-19 国网冀北电力有限公司技能培训中心 A kind of semiconductor cold-hot incubator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269146A (en) * 1990-08-28 1993-12-14 Kerner James M Thermoelectric closed-loop heat exchange system
CN1173654A (en) * 1996-07-16 1998-02-18 萨墨福尼克斯株式会社 Temperature-controlled appliance
TW571971U (en) * 2002-11-05 2004-01-11 Wen-Hu Hung Improved in-vehicle cold/hot insulation box structure
CN204665786U (en) * 2015-05-06 2015-09-23 珠海兴业绿色建筑科技有限公司 The two casing semiconductor cooling-heating box of a kind of intelligent solar
CN206915031U (en) * 2017-04-28 2018-01-23 广禾堂草本生物科技(上海)有限公司 A kind of Portable negative-pressure incubator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326278B (en) * 1997-06-10 1999-08-25 Smc Corp Fast thin-plate cooling apparatus
CN2937955Y (en) * 2006-08-01 2007-08-22 陈尊山 Multifunction multi-temp zone semiconductor refrigeration (heating) themal insulation cabinet
CN103438630A (en) * 2013-09-06 2013-12-11 广东富信科技股份有限公司 Method for controlling semiconductor refrigeration system and semiconductor refrigeration system
CN204574598U (en) * 2015-03-26 2015-08-19 国网冀北电力有限公司技能培训中心 A kind of semiconductor cold-hot incubator

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
徐德胜: "《半导体制冷与应用技术》", 31 December 1992, 上海交通大学出版社 *
朱湛等: "《无机化学实验》", 31 August 2007, 北京理工大学出版社 *
王志艳: "《环境科学》", 30 September 2007, 内蒙古人民出版社 *
王恒月等: "《新一代太阳能集热器与空调器》", 31 October 2013, 河北科学技术出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022013726A1 (en) * 2020-07-14 2022-01-20 Wyllie Nicholas James Improvements to thermally insulated housings
GB2597245A (en) * 2020-07-14 2022-01-26 James Wyllie Nicholas Heating or cooling system with thermal reserve
GB2597245B (en) * 2020-07-14 2022-07-13 James Wyllie Nicholas Heating and/or cooling unit with thermal reserve

Also Published As

Publication number Publication date
TWI661168B (en) 2019-06-01
TW202004107A (en) 2020-01-16

Similar Documents

Publication Publication Date Title
CN104964506B (en) A kind of refrigerator for carrying defrosting room
CN201571825U (en) Rapid refrigerating/heating cup
CN202420024U (en) Temperature-controllable water-cooling type small semiconductor cold-hot dual-purpose box
CN105465931A (en) Air conditioning fan
CN105486018A (en) Cooling and heating box
CN106196818A (en) Refrigerator compartment and control system thereof
CN204880930U (en) Multifunctional refrigerator
CN104773393A (en) Movable food storage tank
CN102320420A (en) Incubator based on semiconductor refrigeration
CN205481472U (en) Air -conditioning fan
CN110513961A (en) Refrigeration cold insulation can be provided simultaneously and heat the incubator and its temperature control method of thermal protection
CN110671865A (en) Parallel double-circulation refrigerator and control method thereof
CN104976859A (en) Electronic cold-hot integrated cabinet
CN211084550U (en) Refrigerator with a door
CN204587700U (en) A kind of intelligent express mail case with cold storage function
CN207180201U (en) Energy-saving food storage cabinet
CN202002424U (en) Multifunctional refrigerator
CN204535260U (en) There is the refrigerator of heat insulation function
CN201152662Y (en) Temperature balancing apparatus of refrigerator and directly cooling refrigerator equipped with the same
CN210346021U (en) Freezer with refrigeration chip subassembly
JP2000274913A (en) Storage chamber
CN104859957A (en) Temperature-controllable foot storage tank
CN202272333U (en) Refrigerant constant temperature box based on semiconductor
CN207635648U (en) A kind of refrigerating plant based on TEC cooling pieces
CN211212619U (en) Electric pressure cooker and cooker body structure thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20191129