CN104909058B - Portable small-sized insulating box - Google Patents
Portable small-sized insulating box Download PDFInfo
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- CN104909058B CN104909058B CN201510228015.8A CN201510228015A CN104909058B CN 104909058 B CN104909058 B CN 104909058B CN 201510228015 A CN201510228015 A CN 201510228015A CN 104909058 B CN104909058 B CN 104909058B
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Abstract
The present invention relates to a kind of portable small-sized insulating box, for storing cosmetics, medicine, medical article, the elderly or infant foods for needing constant temperature to preserve etc..It is characterized in that：Insulating box or refrigerator include casing, refrigerating plant, DC power supply apparatus, intelligent controlling device；The refrigerating plant includes semiconductor chilling plate, radiator, radiator fan, semiconductor chilling plate is by cold end, hot junction and P-type semiconductor, N-type semiconductor composition, cold end and the contact of conduction cooling plate, hot junction and radiator contact, gapless is installed together successively for conduction cooling plate, semiconductor chilling plate, radiator；Semiconductor chilling plate is electrically connected by circuit and DC power supply apparatus, intelligent controlling device, and cold end turns cold after switching on power, and spin manifold temperature reduces；Refrigerating and heating combined equipment is without mechanical transmission component, and no abrasion, noiseless, long lifespan, without refrigerant, energy-conserving and environment-protective, efficiency high, power consumption is few, can realize constant temperature, refrigeration or heating function.
Description
Technical field
The present invention relates to a kind of portable small-sized or micro constant-temperature case or refrigerator, for storing the change for needing constant temperature to preserve
Cosmetic, medicine, medical article, the elderly or infant foods etc..
Background technology
Lack both at home and abroad it is a kind of preserve cosmetics, medicine, medical article, the elderly or infant foods etc. it is portable small-sized
Or micro constant-temperature case or refrigerator, particularly cosmetics, medicine, medical article and other items small volume, in light weight, preservation condition is tight
Lattice, apt to deteriorate, portable small-sized or micro constant-temperature case or refrigerator are suitable for the needs of people.Traditional insulating box or ice
The refrigeration critical piece of case is made up of compressor, condenser, evaporator, heat exchanger and expansion valve etc., and refrigerant is often with fluorine profit
High, this technology is adapted to the normal usages such as refrigerator, insulating box, has noise during work, power consumption is bigger, unsuitable small-sized or micro-
Type insulating box or refrigerator；With the development of modern refrigerant technology, the particularly development of semiconductor refrigerating technology, semiconductor refrigerating
The development of the technology of piece, insulating box or refrigerator can be with small-sized or miniature, and existing market, which lacks, can meet to freeze, heat, nothing
Noise, low power consuming, portable small-sized or micro constant-temperature case or refrigerator.
The content of the invention
In order to solve the above problems, there is provided a kind of portable small-sized or micro constant-temperature case or refrigerator, can freeze, make
Heat, it can effectively preserve cosmetics, medicine, medical article, the elderly or infant foods etc..
The present invention adopts the technical scheme that to solve above-mentioned technical problem：
A kind of portable small-sized or micro constant-temperature case or refrigerator, it is characterised in that：Insulating box or refrigerator include casing,
Refrigerating plant, DC power supply apparatus, intelligent controlling device；
The refrigerating plant includes semiconductor chilling plate, radiator, radiator fan, and semiconductor chilling plate is by cold end, hot junction
And P-type semiconductor, N-type semiconductor composition, cold end is heat absorbing end, hot junction is release end of heat, cold end and the contact of conduction cooling plate, hot junction and
Radiator is contacted, and gapless is installed together successively for conduction cooling plate, semiconductor chilling plate, radiator, conduction cooling plate, radiator and is partly led
By heat conduction gluing knot between body cooling piece, conduction cooling plate material is aluminium alloy or copper alloy, and conduction cooling plate, the shape of radiator are sheets
Or aliform or tubulose, conduction cooling plate reduce the temperature in casing, radiator fan is fixed on a heat sink；Semiconductor chilling plate
Electrically connected by circuit and DC power supply apparatus, intelligent controlling device, cold end turns cold after switching on power, and spin manifold temperature reduces, heat
Temperature rise is held, the heat in hot junction is discharged to outside casing by heat by radiator, radiator fan；Semiconductor chilling plate can be
More than a piece of or a piece of, more than 1 semiconductor chilling plate, which is electrically connected in series, can improve refrigerating efficiency and power；
The DC power supply apparatus includes voltage-stabilized power supply, rechargeable battery set, and voltage-stabilized power supply is electric by alternating current inversion of direct current, power supply
Voltage is 12V or 6~36V, and rechargeable battery set is rechargeable lithium battary or nickel-cadmium cell or Ni-MH battery or lead-acid battery；
There are alternating-current power supply or interior in use, alternating current is changed into direct current by voltage-stabilized power supply, driving is portable small-sized or miniature
Insulating box or refrigerator operation, when going out to carry or having a power failure, rechargeable battery set substitution voltage-stabilized power supply works, and driving is portable small-sized
Or micro constant-temperature case or refrigerator operation；
The intelligent controlling device includes intelligent temperature control equipment, human-computer interaction device, remote monitoring system, intelligent temperature
Spending control device includes temperature sensor, temperature control instrument, and temperature sensor connects with temperature control instrument, and temperature sensor is inserted into case
In vivo；Human-computer interaction device includes touch-screen, for relevant parameters such as input temp, humidity, start, unused time；Long-range prison
Control system includes being energy and Ethernet, the device of GPS communications, and mobile phone or computer can be utilized to be driven just by Ethernet, GPS controls
Take that formula is small-sized or micro constant-temperature case or refrigerator；
Housing is made up of casing and dodge gate, and casing is made up of shell A, heat-insulation layer A and inner bag A, and heat-insulation layer A is in shell
Between A and inner bag A；Dodge gate is made up of shell B, heat-insulation layer B and inner bag B, sealing strip, and heat-insulation layer B is in shell B and inner bag B
Between, heat-insulation layer A, heat-insulation layer B material are polyurathamc or high-temperature-resistant thermal-insulation material, and temperature in use is -10 DEG C~20 DEG C
Or as insulating box or use in refrigerator when, heat-insulation layer A, heat-insulation layer B material selection polyurathamc, temperature in use be 10 DEG C~
At 60 DEG C, polyurathamc or high-temperature-resistant thermal-insulation material are selected, is used as insulating box, when temperature in use is 60 DEG C~200 DEG C, choosing
High-temperature-resistant thermal-insulation material is selected, is used as baking oven；Sealing surface between casing and dodge gate is provided with sealing strip, and sealing strip is arranged on work
Move on door or casing, the more than one grid of box house setting, grid size is identical or different with style；
Switching electric current direction can convert heating, refrigeration mode, i.e., behind switching electric current direction, cold end switches to hot junction, is
Heating mode；It is refrigeration mode or behind switching electric current direction, hot junction switches to cold end.
A kind of portable small-sized or micro constant-temperature case or refrigerator, insulating box or refrigerator include casing, heater, straight
Flow electric supply installation, intelligent controlling device；
Heater includes semiconductor chilling plate, radiator, radiator fan, and semiconductor chilling plate is by cold end, hot junction and P
Type semiconductor, N-type semiconductor composition, cold end is heat absorbing end, hot junction is release end of heat, cold end and the contact of conduction cooling plate, hot junction and radiating
Device is contacted, and gapless is installed together successively for conduction cooling plate, semiconductor chilling plate, radiator, conduction cooling plate, radiator and semiconductor system
By heat conduction gluing knot between cold, conduction cooling plate material is aluminium alloy or copper alloy, and radiator, conduction cooling plate, the shape of radiator are
Sheet or aliform or tubulose, radiator improves the temperature in casing, and radiator fan is fixed on a heat sink；Semiconductor system
Cold is electrically connected by circuit and DC power supply apparatus, intelligent controlling device, and cold end turns cold after switching on power, hot-side temperature liter
Hot junction is discharged to box house by height, heat by radiator, radiator fan；Semiconductor chilling plate is 1 more than a piece of or a piece of
Above semiconductor chilling plate, which is electrically connected in series, can improve heating efficiency and power；
Switching electric current direction can convert heating, refrigeration mode, i.e., behind switching electric current direction, cold end switches to hot junction, is
Heating mode；It is refrigeration mode or behind switching electric current direction, hot junction switches to cold end.
The beneficial effects of the invention are as follows：
Portable small-sized or micro constant-temperature case or refrigerator solve cosmetics, medicine, the medical science thing that long-term constant temperature preserves
The problems such as product, the elderly or infant foods, refrigerating and heating combined equipment is without mechanical transmission component, no abrasion, noiseless, long lifespan, nothing
Refrigerant is needed, energy-conserving and environment-protective, efficiency high, power consumption is few, can freeze or heat, can realize constant temperature, refrigeration or heating function.
Brief description of the drawings
Fig. 1 is the portable small-sized or structural representation of micro constant-temperature case or refrigerator of the invention.
Fig. 2 is another structural representation of portable small-sized or micro constant-temperature case or refrigerator of the invention.
In figure, 1, rechargeable battery set, 2, voltage-stabilized power supply, 3, circuit, 4, radiator fan, 5, radiator, 6, semiconductor refrigerating
Piece, 61, hot junction, 62, cold end, 7, casing, 71, shell A, 72, heat-insulation layer A, 73, inner bag A, 8, dodge gate, 81, shell B, 82,
Heat-insulation layer B, 83, inner bag B, 84, sealing strip, 9, refrigerating plant, 10, conduction cooling plate, 11, temperature sensor, 12, intelligent control dress
Put, 13, heater.
Embodiment
Embodiment one：As shown in Fig. 1~2, a kind of portable small-sized or micro constant-temperature case or refrigerator, its feature
It is：Insulating box or refrigerator include casing 7, refrigerating plant 9, DC power supply apparatus 2, intelligent controlling device 12；
The refrigerating plant 9 includes semiconductor chilling plate 6, radiator 5, radiator fan 4, and semiconductor chilling plate 6 is by cold end
62, hot junction 61 and P-type semiconductor, N-type semiconductor composition, cold end 62 be heat absorbing end, hot junction 61 is release end of heat, cold end 62 with lead
Cold drawing 10 is contacted, and hot junction 61 and radiator 5 contact, and gapless is arranged on successively for conduction cooling plate 10, semiconductor chilling plate 6, radiator 5
Together, it is aluminium alloy or copper by heat conduction gluing knot, the material of conduction cooling plate 10 between conduction cooling plate 10, radiator 5 and semiconductor chilling plate 6
Alloy, conduction cooling plate 10, the shape of radiator 5 be sheet or aliform or tubulose, conduction cooling plate 10 reduce the temperature in casing 7
Degree, radiator fan 4 are fixed on radiator 5；Semiconductor chilling plate 6 is filled by circuit 3 and DC power supply apparatus 2, intelligent control
Put 12 electrical connections, cold end 62 turns cold after switching on power, the temperature of casing 7 reduce, the temperature of hot junction 61 rise, heat by radiator 5,
The heat in hot junction 61 is discharged to outside casing 7 by radiator fan 4；Semiconductor chilling plate 6 can be 1 more than a piece of or a piece of
Above semiconductor chilling plate 6, which is electrically connected in series, can improve refrigerating efficiency and power；
The DC power supply apparatus includes voltage-stabilized power supply 2, rechargeable battery set 1, and voltage-stabilized power supply 2 is electric by alternating current inversion of direct current,
Supply voltage is 12V or 6~36V, and rechargeable battery set 1 is rechargeable lithium battary or nickel-cadmium cell or Ni-MH battery or plumbic acid
Battery；There are alternating-current power supply or interior in use, alternating current is changed into direct current by voltage-stabilized power supply 2, driving is portable small-sized
Or micro constant-temperature case or refrigerator operation, when going out to carry or having a power failure, rechargeable battery set 1 substitutes voltage-stabilized power supply 2 to work, and driving is just
Take that formula is small-sized or micro constant-temperature case or refrigerator operation；
The intelligent controlling device 12 includes intelligent temperature control equipment, human-computer interaction device, remote monitoring system, intelligence
Temperature control equipment includes temperature sensor 11, temperature control instrument, and temperature sensor 11 connects with temperature control instrument, temperature sensor 11
It is inserted into casing 7；Human-computer interaction device includes touch-screen, for the related ginseng such as input temp, humidity, start, unused time
Number；Remote monitoring system includes being the device that can be communicated with Ethernet, GPS, mobile phone or computer can be utilized to pass through Ethernet, GPS
Control drives portable small-sized or micro constant-temperature case or refrigerator；
Housing is made up of casing 7 and dodge gate 8, and casing 7 is made up of shell A71, heat-insulation layer A72 and inner bag A73, heat-insulation layer
A72 is between shell A71 and inner bag A73；Dodge gate 8 is made up of shell B81, heat-insulation layer B82 and inner bag B83, sealing strip 84,
Heat-insulation layer B82 is between shell B81 and inner bag B83, and heat-insulation layer A72, heat-insulation layer B82 material are polyurathamc or resistance to height
Warm insulation material, when temperature in use is -10 DEG C~20 DEG C or is used as insulating box or use in refrigerator, heat-insulation layer A72, heat-insulation layer B82
Material selection polyurathamc, when temperature in use is 10 DEG C~60 DEG C, select polyurathamc or high-temperature-resistant thermal-insulation material, make
Used for insulating box, when temperature in use is 60 DEG C~200 DEG C, select high-temperature-resistant thermal-insulation material, used as baking oven；Casing and dodge gate
Sealing surface between 8 is provided with sealing strip 84, and sealing strip 84 is arranged on dodge gate 8 or casing 7, the inside of casing 7 set one with
On grid, grid size is identical or different with style, in grid place need constant temperature preserve cosmetics, medicine, medical science
Article, the elderly or infant foods etc., to Avoid Tainting, pollution preserves above-mentioned sealing contents with crisper or freshness protection package.
Embodiment two：As shown in Fig. 2 a kind of portable small-sized or micro constant-temperature case or refrigerator, its feature exist
In：Insulating box or refrigerator include casing 7, heater 13, DC power supply apparatus 2, intelligent controlling device 12；
Heater 13 include semiconductor chilling plate 6, radiator 5, radiator fan 4, semiconductor chilling plate 6 by cold end 62,
Hot junction 61 and P-type semiconductor, N-type semiconductor composition, cold end 62 is heat absorbing end, hot junction 61 is release end of heat, cold end 62 and conduction cooling
Plate 10 contacts, and hot junction 61 and radiator 5 contact, and gapless is arranged on one successively for conduction cooling plate 10, semiconductor chilling plate 6, radiator 5
Rise, by heat conduction gluing knot between conduction cooling plate 10, radiator 5 and semiconductor chilling plate 6, the material of conduction cooling plate 10 is that aluminium alloy or copper close
Gold, radiator 5, conduction cooling plate 10, the shape of radiator 5 be sheet or aliform or tubulose, radiator 5 improve in casing 7
Temperature, radiator fan 4 is fixed on radiator 5；Semiconductor chilling plate 6 is controlled by circuit 3 and DC power supply apparatus 2, intelligence
Device 12 processed electrically connects, and cold end 62 turns cold after switching on power, and the temperature of hot junction 61 rise, heat passes through radiator 5, radiator fan 4
Hot junction 61 is discharged to inside casing 7；Semiconductor chilling plate 6 is more than a piece of or a piece of, and more than 1 semiconductor chilling plate 6 is connected
Electrical connection can improve heating efficiency and power.Other compositions and annexation are identical with embodiment one.
Embodiment three：As shown in Figure 1, 2, a kind of portable small-sized or micro constant-temperature case or refrigerator, its feature
It is：Switching electric current direction can convert heating, refrigeration mode, i.e., behind switching electric current direction, cold end 62 switches to hot junction 61, is
Heating mode；It is refrigeration mode or behind switching electric current direction, hot junction 61 switches to cold end 62.Other compositions and annexation
It is identical with embodiment one, two.
Embodiment four：As shown in Figure 1, 2, a kind of portable small-sized or micro constant-temperature case or refrigerator, its feature
It is：The intelligent controlling device 12 includes intelligent temperature control equipment, human-computer interaction device；Intelligent temperature control equipment includes
Temperature sensor 11, temperature control instrument, temperature sensor 11 are connected with temperature control instrument, and temperature sensor 11 is inserted into casing 7；People
Machine interactive device includes touch-screen, for relevant parameters such as input temp, start, shutdown.There is no a remote monitoring system, other groups
Into and annexation it is identical with embodiment one, two or three.
Embodiment five：As shown in Figure 1, 2, a kind of portable small-sized or micro constant-temperature case or refrigerator, its feature
It is：Portable small-sized or micro constant-temperature case or refrigerator are provided with humidifier, and humidifier is to humidifying inside casing 7, inside casing 7
Temperature, humidity is more suitable for preserving cosmetics, medicine, medical article, the elderly or infant foods etc..Other compositions and connection are closed
System is identical with embodiment one, two, three or four.
Embodiment six：As shown in Figure 1, 2, a kind of portable small-sized or micro constant-temperature case or refrigerator, its feature
It is：Portable small-sized or micro constant-temperature case or refrigerator are provided with ultraviolet sterilization apparatus or ozone-sterilizing device, and ultraviolet kills
Bacterium device or ozone-sterilizing device are used to kill bacterium.Other compositions and annexation and embodiment one, two, three, four
Or five is identical.
Above-described embodiment description is understood that and using the present invention for the ease of the those of ordinary skill of technical field.It is familiar with
Those skilled in the art can easily make various modifications to these embodiments, and General Principle application described herein
Into other embodiment without by creative work.Therefore, the invention is not restricted to above-mentioned embodiment, every ability
The technical scheme of equivalents either equivalence replacement, all falls within obtained from the enlightenment of the field technique personnel technique according to the invention
Within rights protection scope of the present invention.
Claims (5)
- A kind of 1. portable small-sized insulating box, it is characterised in that：Insulating box or refrigerator include casing (7), refrigerating plant (9), DC power supply apparatus (2), intelligent controlling device (12)；The refrigerating plant (9) includes semiconductor chilling plate (6), radiator (5), radiator fan (4), semiconductor chilling plate (6) By cold end (62), hot junction (61) and P-type semiconductor, N-type semiconductor composition, cold end (62) is heat absorbing end, hot junction (61) are to put Hot junction, cold end (62) and conduction cooling plate (10) contact, the contact of hot junction (61) and radiator (5), conduction cooling plate (10), semiconductor chilling plate (6), gapless is installed together radiator (5) successively, between conduction cooling plate (10), radiator (5) and semiconductor chilling plate (6) by Heat conduction gluing knot, conduction cooling plate (10) material are aluminium alloy or copper alloy, and conduction cooling plate (10), the shape of radiator (5) are sheets Aliform or tubulose, conduction cooling plate (10) reduce the temperature in casing (7), radiator fan (4) is fixed on radiator (5)； Semiconductor chilling plate (6) is electrically connected by circuit (3) and DC power supply apparatus (2), intelligent controlling device (12), after switching on power Cold end (62) turns cold, and casing (7) temperature reduces, the rise of hot junction (61) temperature, and heat will by radiator (5), radiator fan (4) It is outside that the heat in hot junction (61) is discharged to casing (7)；Semiconductor chilling plate (6) is more than a piece of or a piece of, and 1 with semiconductor-on-insulator Cooling piece (6), which is electrically connected in series, can improve refrigerating efficiency and power；The DC power supply apparatus includes voltage-stabilized power supply (2), rechargeable battery set (1), and voltage-stabilized power supply (2) is by alternating current inversion of direct current Electricity, supply voltage are 6~36V, and rechargeable battery set (1) is rechargeable lithium battary or nickel-cadmium cell or Ni-MH battery or plumbic acid electricity Pond；There are alternating-current power supply or interior in use, alternating current is changed into direct current by voltage-stabilized power supply (2), driving is portable small-sized Or micro constant-temperature case or refrigerator operation, when going out to carry or having a power failure, rechargeable battery set (1) substitution voltage-stabilized power supply (2) work, drive Move portable small-sized or micro constant-temperature case or refrigerator operation；The intelligent controlling device (12) includes intelligent temperature control equipment, human-computer interaction device, remote monitoring system, intelligent temperature Spending control device includes temperature sensor (11), temperature control instrument, and temperature sensor (11) connects with temperature control instrument, temperature sensor (11) it is inserted into casing (7)；Human-computer interaction device includes touch-screen, for input temp, humidity, start, unused time phase Related parameter；Remote monitoring system include be can and the device that communicates of Ethernet, GPS, can using mobile phone or computer by Ethernet, GPS controls drive portable small-sized or micro constant-temperature case or refrigerator；Housing is made up of casing (7) and dodge gate (8), and casing (7) is by shell A (71), heat-insulation layer A (72) and inner bag A (73) structure Into heat-insulation layer A (72) is between shell A (71) and inner bag A (73)；Dodge gate (8) by shell B (81), heat-insulation layer B (82) and Inner bag B (83), sealing strip (84) are formed, and heat-insulation layer B (82) is between shell B (81) and inner bag B (83), heat-insulation layer A (72), Heat-insulation layer B (82) material is polyurathamc or high-temperature-resistant thermal-insulation material, when temperature in use is 60 DEG C~200 DEG C, is selected resistance to Soak material, used as baking oven；Sealing surface between casing and dodge gate (8) is provided with sealing strip (84), sealing strip (84) Be arranged on dodge gate (8) or casing (7), more than one grid be set inside casing (7), grid size it is identical with style or Person is different；Switching electric current direction can convert heating, refrigeration mode, i.e., behind switching electric current direction, cold end (62) switches to hot junction (61), it is heating mode；It is refrigeration mode or behind switching electric current direction, hot junction (61) switch to cold end (62).
- A kind of 2. portable small-sized insulating box according to claim 1, it is characterised in that：Insulating box or refrigerator include case Body (7), heater (13), DC power supply apparatus (2), intelligent controlling device (12)；Heater (13) includes semiconductor chilling plate (6), radiator (5), radiator fan (4), and semiconductor chilling plate (6) is by cold (62), hot junction (61) and P-type semiconductor, N-type semiconductor composition are held, cold end (62) is heat absorbing end, hot junction (61) are release end of heat, Cold end (62) and conduction cooling plate (10) contact, hot junction (61) and radiator (5) contact, conduction cooling plate (10), semiconductor chilling plate (6), Gapless is installed together radiator (5) successively, by heat conduction between conduction cooling plate (10), radiator (5) and semiconductor chilling plate (6) Gluing knot, conduction cooling plate (10) material are aluminium alloy or copper alloy, and radiator (5), conduction cooling plate (10), the shape of radiator (5) are Sheet or aliform or tubulose, radiator (5) improves the temperature in casing (7), and radiator fan (4) is fixed on radiator (5) on；Semiconductor chilling plate (6) is electrically connected by circuit (3) and DC power supply apparatus (2), intelligent controlling device (12), is connected Cold end (62) turns cold after power supply, and hot junction (61) temperature rise, heat is arranged hot junction (61) by radiator (5), radiator fan (4) It is internal to casing (7)；Semiconductor chilling plate (6) is more than a piece of or a piece of, and more than 1 semiconductor chilling plate (6) series connection is electrically connected Heating efficiency and power can be improved by connecing.
- 3. portable small-sized insulating box according to claim 2, it is characterised in that：The intelligent controlling device (12) includes Intelligent temperature control equipment, human-computer interaction device；Intelligent temperature control equipment includes temperature sensor (11), temperature control instrument, temperature Degree sensor (11) is connected with temperature control instrument, and temperature sensor (11) is inserted into casing (7)；Human-computer interaction device includes touching Screen, for input temp, start, shutdown parameter.
- 4. portable small-sized insulating box according to claim 1 or 2, it is characterised in that：Portable small-sized or micro constant-temperature Case or refrigerator are provided with humidifier, and humidifier humidifies to casing (7) is internal.
- 5. portable small-sized insulating box according to claim 1 or 2, it is characterised in that：Portable small-sized or micro constant-temperature Case or refrigerator are provided with ultraviolet sterilization apparatus or ozone-sterilizing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228015.8A CN104909058B (en) | 2015-05-01 | 2015-05-01 | Portable small-sized insulating box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510228015.8A CN104909058B (en) | 2015-05-01 | 2015-05-01 | Portable small-sized insulating box |
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| Publication Number | Publication Date |
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| CN104909058A CN104909058A (en) | 2015-09-16 |
| CN104909058B true CN104909058B (en) | 2018-01-09 |
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| CN201510228015.8A Expired - Fee Related CN104909058B (en) | 2015-05-01 | 2015-05-01 | Portable small-sized insulating box |
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| JPH08103187A (en) * | 1994-10-07 | 1996-04-23 | Sanshin Ind Co Ltd | Machine for keeping fishes dormant |
| CN1232042A (en) * | 1998-03-12 | 1999-10-20 | 诺瓦化学品(国际)股份有限公司 | Low aluminum and magnesium Z-N solution catalysts |
| CN201419869Y (en) * | 2009-06-01 | 2010-03-10 | 唐婧祎 | Portable type automatic constant-temperature storage box |
| CN203753646U (en) * | 2014-01-24 | 2014-08-06 | 李树清 | Portable low-temperature refrigerating device |
| CN204173354U (en) * | 2014-10-31 | 2015-02-25 | 潘霞霞 | Portable vaccine refrigerating box |
| CN204675108U (en) * | 2015-05-02 | 2015-09-30 | 大连华工创新科技股份有限公司 | Portable small-sized or micro constant-temperature case or electric refrigerator |
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