CN100498124C - Multi-purpose heating and refrigerating thermal insulative bag - Google Patents

Multi-purpose heating and refrigerating thermal insulative bag Download PDF

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Publication number
CN100498124C
CN100498124C CNB2004100307001A CN200410030700A CN100498124C CN 100498124 C CN100498124 C CN 100498124C CN B2004100307001 A CNB2004100307001 A CN B2004100307001A CN 200410030700 A CN200410030700 A CN 200410030700A CN 100498124 C CN100498124 C CN 100498124C
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China
Prior art keywords
hamper
water box
temperature
circuit
heating
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CNB2004100307001A
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CN1680761A (en
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陆刚
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Individual
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Individual
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Priority to CNB2004100307001A priority Critical patent/CN100498124C/en
Priority to PCT/CN2005/000453 priority patent/WO2005096869A1/en
Priority to CNB2005800009062A priority patent/CN100556333C/en
Publication of CN1680761A publication Critical patent/CN1680761A/en
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    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/20Lunch or picnic boxes or the like
    • 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
    • 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2331/00Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80Type of cooled receptacles
    • F25D2331/801Bags

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

This invention is an insulated bag which is capable of heating or cooling drinks and food. In the bag fits drinks box and food box, to the outside of the boxes attached heating film or PTC plate and semi-conductor refrigerating plate. The boxes are wrapped with insulating material. To the top inside cover of the food box fixes a refrigerating fan for fast refrigeration. The power is provided by battery or outside input. The bag is outfitted with battery shortage protection unit, short circuit protection unit and over heat protection unit. A temperature controller controls heating or refrigerating to the preset temperature. When short of battery or the temperature reaches the preset one, the bag sounds correspondingly. A metal (or plastic/nylon) unloadable rack to the outside of the bag and designed according to human body back is capable of heat dissipation in hot weather.

Description

How to wrap with the heating and cooling insulation
Affiliated technical field:
The present invention be a kind of can be at knapsack; satchel; in the handbag; make electric heating film (or PTC ceramic heating plate) and semiconductor chilling plate with the energy in the battery or by outside access dc source; producing heat and cold acts on water box (water tumbler) and the hamper outer wall; use that water (beverage) and food is heated or freeze heated more; refrigeration insulation bag; can carry out temperature adjustment control to water and the food that institute heats and freezes; its circuit has short-circuit protection; overtemperature prote; protection that battery is under-voltage (overdischarge); can cut off heating or refrigeration circuit power supply, protection battery pack and entire circuit (comprise electric heating film and semiconductor chilling plate) safely.Also can carry out battery under-voltage (overdischarge) or heating, remind the user when cryogenic temperature arrives setting value with language (or music).The outside detachable rack that has metal (or plastics, nylon) to do by the design of the human body back side of this bag, can dispel the heat when being warm makes the people pleasantly cool.
Background technology:
As far as is known, have only separately water tank (cup) and lunch box that water or food are heated or freezes in the middle of portable, they can not organically lump together with various inclusions.Carry and use all not too conveniently, and portable water (case) or lunch box capacity are little, and its function singleness can not be carried out temperature adjustment control, and protective device is few or do not have.Can not solve the overtemperature safety problem of heating and refrigeration device, can not protect, can not carry out certain function and state prompting with language or music, thereby practicality be not strong battery is under-voltage.During this external being warm, because the outside envelope by human body of packsacks (satchel, handbag) does not have the rack heat dissipation design, thereby human body has the sensation of stuffy heat when using.
Summary of the invention:
At portable heating or refrigeration water tumbler (case) and lunch box, inner capacities is little, can not organically lump together with various inclusions.Portably use inconvenience, can not carry out temperature adjustment control, protective device is incomplete, can not solve the overtemperature safety problem of heating and refrigeration device, can not protect battery is under-voltage, more can not carry out the shortcoming of certain function and state prompting with language or music.
The present invention can make water box (water tumbler) and hamper organically and knapsack (satchel, handbag) combine, portably use conveniently, its inner capacities is bigger, use the very high electric heating film of the thermal efficiency (or PTC heating sheet) to heat, prevent to heat because of bad the burning of dispelling the heat with semiconductor chilling plate.Can carry out temperature adjustment control to water and the food that institute heats and freezes; short-circuit protection is arranged, overtemperature prote, protection that battery is under-voltage (overdischarge); can cut off heating or refrigeration circuit power supply, protection battery pack and entire circuit (comprise electric heating film and semiconductor chilling plate) safely.Also can carry out battery under-voltage (overdischarge) or heating, remind the user when cryogenic temperature arrives setting value with language (or music).The outside detachable rack that has metal (or plastics, nylon) to do by the design of the human body back side of this bag, can dispel the heat when being warm makes the people pleasantly cool.
Solving the technical scheme that its technical problem adopts is:
Embodiment one:
1. inclusion texture:
According to Fig. 1 in knapsack, satchel, handbag (1a), zip (1b) is arranged at the top of inclusion, handled water box with cover (3) and lid (4) and hamper (2) and lid (5) are equipped with in top in its bag, the joint door (20) that discharges water, and a kind of refrigeration cycle direct current 12V fan (6) is adorned in hamper lid inboard.Water box (3) and its outer wall of hamper (2) stick at positive source line string has overtemperature prote device (8a) and electric heating film (8b) (or PTC heating sheet) (7a) and (7b); and have overtemperature prote device (prevent semiconductor chilling plate is overheated burn) (10c) and semiconductor chilling plate (10a) (10d) and (10b), and the heat-sensitive sensor of temperature controller pop one's head in (26) and (27) at positive source line string.In bag side that inner non-human body leans on; post overtemperature prote device (10c) and (10d) by radiator fan (18), air channel (19a), radiator (19b) with (19c) and in its side; and air inlet (19d) and stock cap (19e); air outlet (19f) and (19g), stock cap (19h) and (19i) form semiconductor chilling plate (10a) and (10b) complete heat radiation and overtemperature prote system.The outer wall of water box (3) and hamper (2) (comprising its lid) wraps up with insulation materials (9) such as polyurethane foam and asbestos.The bottom is by temperature-control circuit (14) in the bag; battery under-voltage protection circuit (16); voice (or music) circuit (15a); loudspeaker (15b) battery pack (21), function control switch: general supply (charging and work) selector switch (13a), water box and hamper selector switch (13b); h and c selector switch (13c); temperature controller temperature-adjusting potentiometer knob (13d), battery charge is formed with socket (13f), external dc power input socket (13g).All be contained in many with in end box (17b) and the lid (12) thereof.The both sides external or a side of bag are equipped with valve (11a), (11b), so that the water in the water intaking box, and carry out the control operation of various functions, design one by metal (or plastics in the outside of this bag by the human body back side, nylon) the detachable rack (22) made of net is so that heat transmission when being warm.
2. the connection of each one of circuit and composition:
Hold (4,6) (3,5) that charging is received general supply double-point double-throw switch (13a) respectively with socket (13f) and external power source input socket (13g) in Fig. 3, and its cutter spacing end (1,2) connects 12V battery pack (21).The positive source line links to each other with the external power source input socket by general supply double-point double-throw switch (13a); wherein spend (13a-3) extravagantly by protective tube (FU) and the control relay normal-closed end (J1-2) of battery under-voltage (9.4v) holding circuit (16) and the control relay normal-closed end (J2-2) of temperature controller (14); reaching water box or (water tumbler) selects a cutter spacing end (13b-1) of double-point double-throw switch to be electrically connected successively with hamper; its double-throw end of convert (13b-3); (13b-4) inserts the double-pole position end (13c-1) (13c-2) that h and c is selected double-point double-throw switch (13c) respectively; one end of this double-throw (13c-3) connects its output of overtemperature prote device (10c) and connects semiconductor chilling plate (10a), and the other end (13c-4) connects its output of overtemperature prote device (8a) and connects electric heating film (7a).The another end of this double-throw (13c-5) connects its output of overtemperature prote device (10d) and connects semiconductor chilling plate (10b), and its other end (13c-6) connects its output of overtemperature prote device (8b) and connects electric heating film (7b).The inboard dress of hamper lid kind of refrigeration cycle DC fan (6), its cathode power supply line is received hamper side (13c-5) end of h and c selector switch (13c).The cathode power supply line of semiconductor chilling plate radiator fan (18) is received h and c selector switch (13c-3), (13-5) end respectively by two commutation diode D3 and D4, the sensor input of temperature controller circuit is received another cutter spacing (13b-2) of the selector switch of water box and hamper, double-throw end of convert (13b-5), (13b-6) that the temperature controller heat-sensitive sensor probe (26) and (27) of water box and hamper is also received respectively, double-point double-throw switch is changed thus.
3. temperature controller (14) and battery under-voltage protection circuit (16) concern with the control of voice (or music) circuit (15a):
One of them closure of control relay normally opened contact (J1-3) of the control relay normally opened contact of Fig. 8 temperature controller (14) (J2-3) or Fig. 7 battery under-voltage protection circuit (16); lead up to control circuit (J3-1) or (J4-1) end; make the input trigger end (S1) of voice (or music) circuit (15a) or (S2) trigger ground connection; another road is by two commutation diode D1; D2 and 7809 mu balanced circuits are input to Figure 10 delay circuit (17a) IC4; after delaying time 2~4 seconds; its control relay (J5) adhesive makes the playback end (23) of voice (or music) circuit (15a) trigger ground connection.The output (15) of voice (or music) circuit (15a) end just amplifies rear drive loudspeaker (15b) by amplifying circuit LM386 like this, sends the relative acoustic information that has recorded.
Also can be by control relay normally opened contact (J1-3) closure of Fig. 6 by the control relay normally opened contact (J2-3) or the battery under-voltage protection circuit (16) of temperature controller (14); control has the control relay (J4) of 4Z contact and the control relay (J3) of 2Z contact respectively; their normally opened contact (J4-3) or (J3-3) closure; just trigger playback input 23 pin of two voice (or music) circuit SR9K30 I and SR9K30II respectively, it is exported 15 pin and just amplifies the back by amplifying circuit LM386 and often open (J4-3a) and normally closed (J4-2a) contact is changed and driven loudspeaker (15b) by another group of J4.
All all negative levels of circuit receive together ground connection and and the battery pack negative pole join.These circuit, battery pack and switching device etc. all are contained in the multi-functional box of bag bottom.
4. the operation principle of each several part circuit:
(1), Fig. 8 forms temperature controller (14) by the NE555 of IC1 and the LM567 of IC2, (RT) thermistor (26), (27) are attached on water box (cup) and the hamper outer wall, temperature-adjusting potentiometer (RP1), 12v DC relay (J2), its normally closed (J2-2) end water spilage tray and hamper are selected the cutter spacing end of double-point double-throw switch (13b-1), often opening (J2-3) end is electrically connected with 12v DC relay (J4) coil, (J4-3) holds ground connection, (S2) Duan Xuanduan of (J4-1) termination voice (or music) circuit I SD1410.
(2), Fig. 7 forms voltage comparator circuit by the NE555 of IC3 and does battery under-voltage (9.4v) protector with (16); + 12v termination power protective tube (FU) output; (RP1) potentiometer is used for the control of regulating cell low-pressure end; (RP2) potentiometer is that the control of regulating cell voltage high-pressure side is used; (J1) be the 12v DC relay; normally closed (J1-2) termination Fig. 8 (+12) end; (J1-3) end connects with (J3) 9v DC relay coil electricity; (J3-3) holds ground connection, (S1) Duan Xuanduan of (J3-1) termination voice (or music) circuit I SD1410.
Fig. 9 is voice (or music) circuit (15a), (S1) with (S2) be input Duan Xuanduan, (23) are that pin is selected in playback, (27) are that pin is selected in recording, (14) are voice (or music) outputs with (15).
Control circuit by under-voltage circuit of cell voltage (16) or temperature controller circuit (14) sends the driving signal, drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), what selected to use by selector switch (13b) is water box (3), or hamper (2), determine it is heating or refrigeration work by selector switch (13c) again, form thus by a temperature controller control temperature, heat or refrigeration the fundamental type technical scheme of water box (3) or hamper (2) separately.
Existing all the other all kinds of embodiments of accompanying drawings:
Embodiment two:
1. inclusion texture:
(1), first kind of inclusion texture:
In Fig. 1 c: by hot water box (23a) and hot water lid (28a), cold water box (23b) and cold water lid (28b) are replaced water box (3) and the water lid (4) of Fig. 1 b.By the joint door (20) that discharges water of hot water joint door (32a), cold water joint door (32b) replacement Fig. 1 b, replace valve (11a) with garden arc valve (24), add end box (25), and do the position adjustment.Hot hamper lid (5a) and hot hamper (2a) and cold food lid (5b) and the cold food box (2b) of available Fig. 1 h; replace hamper lid (5) and hamper (2) among Fig. 1; electric heating film (or PTC heating sheet) (7a); (7b) and semiconductor chilling plate (10a); (10b) and overtemperature prote device (8a) (8b) with (10c); (10d) and temperature sensor (26a); (26b) with (27a); installation site (27b) is attached on the outer wall of water box and hamper shown in Fig. 1 c and Fig. 1 h; if two temperature controllers (14a); (14b) and the heating of water box and hamper with temperature sensor (26a); (27a) and water box and the cooling temperature sensor of hamper (26b); (27b); increase cold-peace hot temperature control device device temperature-adjusting potentiometer knob (13e) on the control panel; (13d); voice (or music) circuit diagram 9 selects ISD1416; if three sections recording are respectively S1; S2; the S3 end, the remainder inclusion texture is with embodiment one.
(2), second kind of inclusion texture:
Inclusion texture is with embodiment one; and establish two temperature controllers (14a), (14b); increase temperature controller temperature-adjusting potentiometer knob (13e) on the control panel; the temperature sensor inputs of temperature controller (14a) and (14b) directly is connected temperature sensor (26) and (27) respectively, and electric heating film (or PTC heating sheet) (7a) and the link position exchange of the water box of overtemperature prote device (8a) and semiconductor chilling plate (10b) and overtemperature prote device (10d) thereof and hamper selection double-pole double-throw switch circuit tie point (13b-5) and (13b-4).
(3), the third inclusion texture:
Each partial structure and hot water box (23a) and its lid (28a) by Fig. 1 c and Fig. 1 f, cold water box (23b) and its lid (28b), form by each partial structure of Fig. 1 and hamper (2) and its lid (5), and establish the cold and hot selector switch of hamper (13h), the remainder inclusion texture is with embodiment one.
2. the connection of each one of circuit and composition:
(1), first kind of inclusion texture circuit formed:
In Fig. 2, (4,6) and (3,5) end of general supply double-point double-throw switch (13a) are received in charging respectively with socket (13f) and external power source input socket (13g), and its cutter spacing end (1,2) connects 12V battery pack (21).The positive source line that general supply double-point double-throw switch (13a-3) links to each other with external power source input socket (13g); control relay normal-closed end (J1-2) and the control relay normal-closed end (J2a-2) of temperature controller (14a) and the control relay normal-closed end (J2b-2) of temperature controller (14b) by protective tube (FU) and battery under-voltage (9.4v) holding circuit (16); and the cutter spacing end (1 of water box and hamper selection double-point double-throw switch (13b); 2) be electrically connected successively; its end of convert (13b-3) connects semiconductor chilling plate (10a) and its overtemperature prote device (10c) of cold water box (23b), and end of convert (13b-4) connects semiconductor chilling plate (10b) and its overtemperature prote device (10d) of cold food box (2b).End of convert (13b-5) connects hot water box's (23a) electric heating film (7a) and its overtemperature prote device (8a), and end of convert (13b-6) connects electric heating film (7b) and its overtemperature prote device (8b) of hot hamper (2a).
Temperature controller (14a) and temperature sensor inputs (14b), connect temperature sensor respectively and select the cutter spacing (1 of double-point double-throw switch (13c), 2) end, end of convert (13c-3), (13c-4) connects the temperature sensor (27b) of cold water box temperature sensor (26b) and cold food box respectively, end of convert (13c-5), (13c-6) connects the temperature sensor (27a) of hot water box's temperature sensor (26a) and hot hamper respectively, no temperature sensor (26), (27), the inboard dress of hamper lid kind of refrigeration cycle DC fan (6), its cathode power supply line is received hamper side (13b-4) end of water box and hamper selector switch (13b).The cathode power supply line of semiconductor chilling plate radiator fan (18) receives the water box respectively by two commutation diode D4 and D5 and hamper DPDT selector switch (13b-3), (13b-4) hold, double-point double-throw switch is changed thus, all negative levels of circuit receive together ground connection and and the battery pack negative pole join.
Fig. 7 battery under-voltage protection circuit (16) and Fig. 8 temperature-control circuit (14a) and J1 (14b); J2a; one of them control relay adhesive of J2b; will make J3; J4; one of them control relay adhesive of J6; make the S1 of voice (or music) circuit boards (15a); S2; one of them section choosing end ground connection of S3 is triggered; another road is by commutation diode D1; D2; D3 one of them and 7809 mu balanced circuits; to Figure 10 delay control circuit (17a) IC4; its control relay (J5) adhesive after delaying time 2~4 seconds; (23) end ground connection of Fig. 9 voice (or music) circuit boards (15a) is triggered, and voice (or music) circuit boards (15) pin will make loudspeaker (15b) send the relative acoustic information that has recorded through amplifying circuit LM386.
(2); second kind of inclusion texture circuit formed: cancellation temperature sensor (26a); (26b); (27a); (27b); the temperature sensor inputs of temperature controller (14a) and (14b) directly is connected temperature sensor (26) and (27) respectively; the cancellation temperature sensor is selected double-point double-throw switch (13c); electric heating film (or PTC heating sheet) (7a) and the water box of overtemperature prote device (8a) and semiconductor chilling plate (10b) and overtemperature prote device (10d) thereof and hamper select the link position exchange of double-pole double-throw switch circuit tie point (13b-5) and (13b-4); diode D5 also is connected to (13b-5) end, and remaining circuit is formed with first kind of inclusion texture circuit and formed.
(3), the third inclusion texture circuit is formed:
Connect (13h-1), (13h-2) cutter spacing end respectively by (13b-4), (13b-6) end; semiconductor chilling plate (10b) and its overtemperature prote device (10d); reach electric heating film (7b) and its overtemperature prote device (8b) and cancel former junction; the cold and hot selector switch of reconfiguration hamper (13h-4) and (13h-5) is held respectively; diode D5 also is connected to (13h-4) end; the inboard dress of hamper lid kind of refrigeration cycle DC fan (6) cathode power supply line is received (13h-4) end; switch is selected hamper refrigeration or heating thus, and remaining circuit is formed with first kind of inclusion texture circuit and formed.
Form two temperature controllers by first kind of inclusion texture and control heating and cryogenic temperature respectively, under-voltage circuit of cell voltage (16) and temperature controller circuit (14a), one of them control circuit (14b) sends the driving signal, drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), selector switch (13b) is selected the water box or the hamper that freeze and heat, selector switch (13c) is selected water box (26b), (26a) or hamper (27b), (27a) temperature sensor, can freeze and heat hot and cold water box (23b) simultaneously, (23a) or cold and hot hamper (2b), technical scheme (2a).
Also can be by second kind of inclusion texture, control heating and cryogenic temperature respectively by two temperature controllers, under-voltage circuit of cell voltage (16) and temperature controller circuit (14a), one of them control circuit (14b) sends the driving signal, drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), selector switch (13b) is selected the water box and the hamper that freeze or heat, and formation can add another technical scheme of hot water box (3) and hamper (2) or chilled water box (3) and hamper (2) simultaneously.
Can control heating and cryogenic temperature respectively by two temperature controllers of the third inclusion texture, under-voltage circuit of cell voltage (16) and temperature controller circuit (14a), one of them control circuit (14b) sends the driving signal, drive language (or music) circuit (15a) work, selector switch (13b) is selected the water box or the hamper that freeze and heat, selector switch (13c) is selected water box (26b), (26a) or hamper (27b), (27a) temperature sensor, composition can freeze and add hot water box (23b) simultaneously, (23a) or by the cold and hot selector switch of hamper (13h) select the refrigeration or the heating hamper (2) technical scheme.
Embodiment three:
1. inclusion texture:
By water tumbler (29) Drinking cup lid (30) of Fig. 1 d, replace water box (3) and the water lid (4) of Fig. 1 b and the joint door (20) that discharges water, and cancellation valve (11a), can not replace yet, hamper (2) keeps constant.The semiconductor chilling plate (10a) of cancellation water box and hamper and (10b) and the overtemperature prote device (10c) of semiconductor chilling plate and (10d); fan (18) and air channel (19a) and radiator (19b) and (19c) air inlet (19d) and stock cap (19e); air outlet (19f) and (19g) and stock cap (19h) and (19i); diode D3, D4, hamper kind of refrigeration cycle fan (6).Also cancel h and c and select double-point double-throw switch (13c), the remainder inclusion texture is with embodiment one.
2. the connection of each one of circuit and composition:
In Fig. 4, (4,6) and (3,5) end of general supply double-point double-throw switch (13a) are received in charging respectively with socket (13f) and external power source input socket (13g), and its cutter spacing end (1,2) connects 12V battery pack (21).General supply double-point double-throw switch (13a-3) the positive source line that links to each other with external power source input socket (13g) selects the cutter spacing end (13b-1) of double-point double-throw switch to be electrically connected successively by the control relay normal-closed end (J1-2) of protective tube (FU) under-voltage with battery (9.4v) holding circuit (16) and the control relay normal-closed end (J2-2) of temperature controller (14) with water box or hamper.End of convert (13b-3) connects electric heating film (7a) and its overtemperature prote device (8a) of hot water cup (29) or water box (3), and end of convert (13b-4) connects electric heating film (7b) and its overtemperature prote device (8b) of hot hamper (2).The sensor input of temperature controller (14) connects the cutter spacing end (13b-2) of water spilage tray and hamper selection double-point double-throw switch, the temperature sensor of water box and hamper (26), (27) connect water spilage tray and select double-point double-throw switch (13b-5) and (13b-6) end with hamper, all negative grade in circuit receive together ground connection also and the battery pack negative pole join.
The control relay (J2) of Fig. 8 temperature controller (14) and Fig. 7 battery under-voltage protection circuit (16), (J1) one of them adhesive; lead up to control circuit (J3-1), (J4-1) end; S1, S2, one of them section choosing end ground connection of voice (or music) circuit boards (15a) are triggered; another road is input to Figure 10 delay circuit (17a) IC4 by two commutation diode D1, D2 and 7809 mu balanced circuits; its control relay (J5) adhesive after delaying time 2~4 seconds triggers the playback (23) of Fig. 9 voice (or music) circuit (15a) and holds.Output (15) end of voice (or music) circuit (15a) connects loudspeaker (15b) by amplifying circuit LM386, sends the relative acoustic information that has recorded.
The control circuit of forming under-voltage circuit of cell voltage (16) or temperature controller circuit (14) thus sends the driving signal, drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), select the heating function of water tumbler (29) (or water box (3)) or hamper (2) with selector switch (13b), and the conversion of water tumbler (water box) (26) or hamper (27) temperature sensor, by temperature controller control temperature, the pure hot water cup (29) that adds separately, the technical scheme of water box (3) or hamper (2).
Embodiment four:
1. inclusion texture:
In Fig. 1 circuit; cancellation water box and hamper electric heating film (or PTC heating sheet) are (7a) and (7b); and the overtemperature prote (8a) of water box and hamper and (8b) also cancel h and c selection double-point double-throw switch (13c), the remainder inclusion texture is with embodiment one.
2. the connection of each one of circuit and composition:
In Fig. 4, (4,6) and (3,5) end of general supply double-point double-throw switch (13a) are received in charging respectively with socket (13f) and external power source input socket (13g), and its cutter spacing end (1,2) connects 12V battery pack (21).The positive source line that the positive source line links to each other with external power source input socket (13g) by general supply double-point double-throw switch (13a-3); select the cutter spacing end (13b-1) of double-point double-throw switch to be electrically connected successively by the control relay normal-closed end (J1-2) of protective tube (FU) under-voltage with battery (9.4v) holding circuit (16) and the control relay normal-closed end (J2-2) of temperature controller (14) with water box or hamper; its end of convert (13b-3) connects semiconductor chilling plate (10a) and its overtemperature prote device (10c) of cold water box (3), and end of convert (13b-4) connects semiconductor chilling plate (10b) and its overtemperature prote device (10d) of cold food box (2).End of convert (13b-5) connects the temperature sensor (26) of cold water box (23a), and end of convert (13b-6) connects the temperature sensor (27) of cold food box (2).The temperature sensor inputs of temperature controller (14) connects the cutter spacing end (13b-2) of water spilage tray and hamper selection double-point double-throw switch, the inboard dress of hamper lid kind of refrigeration cycle DC fan (6), its cathode power supply line receive the water box and hamper selects the hamper side (13b-4) of double-point double-throw switch (13b) to hold.The cathode power supply line of semiconductor chilling plate radiator fan (18) receives the water box respectively by two commutation diode D3 and D4 and hamper is selected double-point double-throw switch (13b-3), (13b-4) end, double-point double-throw switch is changed thus, all negative levels of circuit receive together ground connection and and the battery pack negative pole join.
The control relay (J2) of Fig. 8 temperature controller (14) and Fig. 7 battery under-voltage protection circuit (16), (J1) one of them adhesive; lead up to control circuit (J3-1), (J4-1) end; one of them section choosing end ground connection of S1, S2 of voice (or music) circuit boards (15a) is triggered; another road is input to Figure 10 delay circuit (17a) IC4 by two commutation diode D1, D2 and 7809 mu balanced circuits; its control relay (J5) adhesive after delaying time 2~4 seconds triggers playback (23) the end ground connection of Fig. 9 voice (or music) circuit (15a).Output (15) end of voice (or music) circuit (15a) connects loudspeaker (15b) by amplifying circuit LM386.Send the relative acoustic information that has recorded.
The control circuit of forming under-voltage circuit of cell voltage (16) or temperature controller circuit (14) thus sends the driving signal, drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), control the refrigerating function of water box (3) or hamper (2) with selector switch (13b), and the conversion of water box (water tumbler) (26) or hamper (27) temperature sensor, by a temperature controller control temperature, the technical scheme of independent pure chilled water box (3) or hamper (2).
Embodiment five:
1. inclusion texture:
First kind of inclusion texture:
By Fig. 1 water box (3) and lid (4) and hamper (2) and lid (5), joint door (20) discharges water.The temperature sensor inputs of temperature controller (14) directly connects temperature sensor (26), temperature sensor (26) directly is attached on the outer wall of water box (3), cancellation temperature sensor (27), (26a), (26b), the remainder inclusion texture is with embodiment one.
Second kind of inclusion texture:
By hot and cold water box (23b), (23a) and lid (28b), (28a) and the hot water joint door (32a) of Fig. 1 c, cold and hot hamper (2b), (2a) that cold water saves (32b) and Fig. 1 h, with lid (5b), (5a), replace valve (11a) with garden arc valve (24), add end box (25), and do the position adjustment.Temperature sensor (26a) with (26b) and electric heating film (or PTC heating sheet) (7a), (7b) and semiconductor chilling plate (10a), (10b) and overtemperature prote device (8a) thereof, (8b) and (10c), the installation site of (10d) is attached on the outer wall of water box and hamper shown in Fig. 1 c and Fig. 1 h, the remainder inclusion texture is with embodiment one.
2. being connected and composition of first kind of inclusion texture and second kind of each one of inclusion texture circuit:
In Fig. 5, hold (4,6) (3,5) that charging is received general supply double-point double-throw switch (13a) respectively with socket (13f) and external power source input socket (13g), and its cutter spacing end (1,2) connects 12V battery pack (21).The positive source line is electrically connected with the cutter spacing end (13b-1) of water box and the cold and hot selection double-point double-throw switch of hamper by the control relay normal-closed end (J1-2) of protective tube (FU) under-voltage with battery (9.4v) holding circuit (16) and the control relay normal-closed end (J2-2) of temperature controller (14) successively by the positive source line that general supply double-point double-throw switch (13a-3) links to each other with external power source input socket (13g).The electric heating film of water box (cup) and hamper (or PTC heating sheet) (7a) and power line (7b) through overtemperature prote (8a) and (8b) in parallel after the hot junction of water spilage tray and the cold and hot selection double-point double-throw switch of hamper (13b-4); their semiconductor chilling plate (10a) and (10b) power line is through the overtemperature prote (10c) and (10d) cold junction of water spilage tray afterwards in parallel and the cold and hot selection double-point double-throw switch of hamper (13b-3), the temperature sensor inputs of temperature controller (14) connects the cutter spacing end (13b-2) of water spilage tray and the cold and hot selection double-point double-throw switch of hamper.
Its temperature sensor inputs of the temperature controller of first kind of inclusion texture (14) directly connects temperature sensor (26).
The temperature sensor of second kind of inclusion texture (26a) with (26b), connect (13b-5) (13b-6) end of the cold and hot selection double-point double-throw switch of water spilage tray and hamper respectively.
Hamper lid inboard dress kind of refrigeration cycle DC fan (6) and its cathode power supply line of semiconductor chilling plate radiator fan (18) are all received hamper side (13b-3) end of water box and the cold and hot selector switch of hamper (13b).Double-point double-throw switch is changed thus, all negative levels of circuit receive together ground connection and and the battery pack negative pole join, cancel h and c selector switch (13c).
The control relay (J2) of Fig. 8 temperature controller (14) and Fig. 7 battery under-voltage protection circuit (16), (J1) one of them adhesive; lead up to control circuit (J3-1), (J4-1) end; one of them section choosing end ground connection of S1, S2 of voice (or music) circuit boards (15a) is triggered; another road is input to Figure 10 delay circuit (17a) IC4 by two commutation diode D1, D2 and 7809 mu balanced circuits; its control relay (J5) adhesive after delaying time 2~4 seconds triggers playback (23) ground connection of Fig. 9 voice (or music) circuit (15a).Output (15) end of voice (or music) circuit (15a) connects loudspeaker (15b) by amplifying circuit LM386.Send the relative acoustic information that has recorded.
Composition sends the driving signal by the control circuit of under-voltage circuit of cell voltage (16) or temperature controller circuit (14), drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), a temperature controller control water box temperature, selector switch (13b) is selected heating or chilled water box and hamper, can be simultaneously to the technical scheme of water box (3) with hamper (2) heating or refrigeration.
And according to second kind of inclusion texture, the control circuit of under-voltage circuit of cell voltage (16) or temperature controller circuit (14) sends the driving signal, drive language (or music) circuit (15a) work, and send relational language (or music) sound that has recorded by loudspeaker (15b), by a temperature controller control water box temperature, selector switch (13b) is selected heating or chilled water box and hamper, and temperature sensor (26a) with (26b), can add hot water box (2a) simultaneously, hamper (23a) or chilled water box (2b), another technical scheme of hamper (23b).
Description of drawings:
Fig. 1 is many perspective view with the heating and cooling bag.
Among Fig. 1: (1a) be inclusion; (1b) be zip; (2) be hamper; (3) be the water box; (4) water lid; (5) hamper lid; (6) hamper kind of refrigeration cycle fan; (7a) and (7b) be respectively water box and hamper electric heating film (or PTC heating sheet); (8a) with the overtemperature prote device that (8b) is water box and hamper electric heating film (or PTC heating sheet); (9) be the box body insulation material; be respectively the semiconductor chilling plate of water box and hamper (10a) and (10b); (10c); (10d) be the overtemperature prote device of its semiconductor chilling plate; be two valve (11a) and (11b); (12) be the lid and the dividing plate of multi-functional box; (13) fuse for control panel and end box; (14) or (14a); (14b) be temperature control circuit board; (15a) be voice (or music) circuit boards; (15b) loudspeaker; (16) be the battery under-voltage protection circuit board; (17a) delay control circuit, (17b) end boxes, (18) radiator fan used more; (19a) air channel; (19b) and (19c) radiator, (19d) air inlet and (19e) stock cap, (19f) and (19g) air outlet and (19h) and (19i) stock cap; (20) discharge water joint door; (21) battery pack, (22) are the outside back side of bag rack, (26) and (27) are respectively the temperature sensors of water box and hamper.In Fig. 1 e: (13a) be general supply (charging and work) selector switch, (13b) be water box and hamper selector switch, (13c) be the h and c selector switch, (13d), (13e) is respectively the hot temperature control of cold-peace device device temperature-adjusting potentiometer knob, (13f) use socket, (13g) be the external dc power input socket for charging.
Fig. 1 a wraps for this reason overlooks C-C place cutaway view.
The A that Fig. 1 b the wraps for this reason-left see-through view in A place.
Two kinds of left see-through view at A-A place that Fig. 1 c and Fig. 1 d wrap are for this reason replaced the embodiment figure of the former parts in Fig. 1 b place for other two kinds of water boxes and water tumbler respectively.
Fig. 1 e wraps in the right perspective view at B-B place for this reason.
Fig. 1 f is A-A place perspective view of Fig. 1 c.
Fig. 1 g is the outer rearview of the bag of Fig. 1.
Fig. 1 h is the conceptual scheme that hot hamper (2a) and cold food box (2b) are replaced Fig. 1 hamper (2)
Fig. 2 is that hot and cold water box (23b), (23a) and cold and hot hamper (2b), (2a) set up separately, heats respectively and freezes, and independently controlled the circuit engineering scheme circuit theory diagrams of its temperature by the heating and two temperature controllers that freeze
Independent heating or refrigeration that Fig. 3 wraps for this reason, the fundamental type technical scheme circuit theory diagrams of water box (3) or hamper (2).
Independent pure heating that Fig. 4 wraps for this reason or pure refrigeration, the technical scheme circuit theory diagrams of water box (3) or hamper (2)
Heating or refrigeration when Fig. 5 wraps for this reason, water box (3) and hamper (2) technical scheme circuit theory diagrams
And can add another technical scheme circuit theory diagrams of hot water box (2a), hamper (23a) or chilled water box (2a), hamper (23a) simultaneously
Fig. 6 for battery under-voltage protection circuit and temperature-control circuit export respectively control signal control two voice (music) integrated circuit circuit engineering scheme circuit theory diagrams
The battery under-voltage protection circuit theory diagrams that Fig. 7 (16) wraps for this reason.
The temperature-control circuit schematic diagram that Fig. 8 (14) wraps for this reason.
Language (or music) circuit theory diagrams that Fig. 9 (15a) wraps for this reason.
The language that Figure 10 wraps for this reason (or music) circuit section choosing input triggers control signal and time-delay triggers control signal figure.
Beneficial effect of the present invention:
Can make water box (water tumbler) and hamper organically and knapsack (satchel, handbag) combine, portably use conveniently, Its inner capacities is bigger, uses the very high electric heating film (or PTC fever tablet) of the thermal efficiency to heat, and prevents with partly leading The body cooling piece heats because of bad the burning of dispelling the heat. Can carry out temperature adjustment control to water and the food that institute heats and freezes, institute adds The water (beverage) of heat and the temperature range of food are at 48 ℃~98 ℃, and its cryogenic temperature scope is at 3 ℃~16 ℃. Thermal insulating material is arranged Material is incubated, and the kind of refrigeration cycle fan is arranged, thereby refrigerating speed is fast, and protective device is more complete, includes short-circuit protection, Overtemperature prote, battery undervoltage (9.4v) over can cut off heating or refrigeration circuit power supply, protection battery pack and whole circuit (comprise electric heating film and semiconductor chilling plate) safely. Also can carry out battery undervoltage (overdischarge) or add with language (or music) Heat, cryogenic temperature arrive reminding user when setting value. This bag is outside to be designed with metal (or plastics, nylon) by the human body back side The detachable rack of doing, can dispel the heat when being warm makes the people pleasantly cool.

Claims (10)

  1. More than one kind with heating and cooling insulation bag, in this bag water box or water tumbler and hamper are arranged, can heat or cool off and be incubated beverage and food, can also carry out temperature and control;
    It is characterized in that: the inclusion internal upper part has water box (3) He Qigai (4), hamper (2) He Qigai (5), and the bottom of water box (3) discharges water and saves door (20); The outer wall of water box (3) and hamper (2) sticks the heating that overtemperature prote device (8a,, 8b) arranged at positive source line string with electric heating film or PTC heating sheet (7a, 7b), reach the cooling semiconductor chilling plate (10a, 10b) that overtemperature prote device (10c, 10d) arranged at positive source line string, prevent that it is overheated, the temperature sensor (27) of temperature sensor of water box (26) and hamper also is attached on water box (3) and hamper (2) outer wall, and wraps up with polyurethane foam and asbestos insulation material (9);
    The bag inner non-human body by the side radiator (19b, 19c) is arranged, and DC fan (18), air channel (19a), air inlet (19d) and air intake flap (19e), air outlet (19f, 19g) and air-out flap (19h, 19i), post overtemperature prote device (10c, 10d) in radiator (19b, 19c) side, hamper is carried out the air-cooled circulation of refrigerated forced with fan (6);
    Control language or music circuit (15a) and loudspeaker (15b) and control lag circuit (17a) and battery pack (21) are come with temperature controller circuit (14) and battery under-voltage protection circuit (16) in the bottom in the bag;
    Function control switch: the temperature-adjusting potentiometer knob (13d, 13e) of the selector switch (13b) of general supply charging and working selecting switch (13a), water box and hamper, h and c selector switch (13c), temperature controller, battery charge all are contained in many with in end box (17b) and the lid (12) thereof with socket (13f), external dc power input socket (13g);
    Bag is outside to have detachable rack (22a) and support (22b) by the design of people side, and wrapping outer both sides has valve (11a, 11b, 24), and the inclusion made from waterproof class canvas or nylon cloth (1a).
  2. 2. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: when the temperature that reaches the protection value that sets or measurement when cell voltage is low excessively reaches the temperature value that temperature controller sets, one of them adhesive of relay (J2) of relay of battery under-voltage protection circuit (J1) and temperature controller circuit, its relay normally open contact (J1-3, J2-3) closure will be sent the triggering signal of telecommunication, lead up to the closed ground connection of an end (J4-3) of an end (J3-3) or another relay normally open contact of control circuit relay normally open contact, make the input of voice or music circuit (15a) trigger an end (S1) or the input triggering other end (S2) triggering ground connection, another road is by two commutation diode (D1, D2) and mu balanced circuit (7809) be input to delay circuit (17a, IC4) a end (J15-1), playback end (23) ground connection of voice or music circuit (15a) is triggered, thereby make the output (15) of voice or music circuit (15a) also send the prompting user's who has recorded relational language or musical sound by loudspeaker (15b) through amplifying circuit (LM386);
    Perhaps by the control relay normally opened contact (J2-3) of temperature controller (14) or control relay normally opened contact (J1-3) closure of battery under-voltage protection circuit (16), control the control relay (J3) that the control relay (J4) of contact (4Z) is arranged and contact (2Z) arranged respectively, their normally opened contact (J4-3, J3-3) closure, just trigger two voice or music circuit (SR9K30I respectively, SR9K30II) playback input (23), its output (15) drives relational language or the musical sound that loudspeaker (15b) sends the prompting user who has recorded with regard to being changed with normally-closed contact (2a) by another group normally opened contact (3a) of control relay (J4) by amplifying circuit (LM386) amplification back;
    Control circuit by under-voltage circuit of cell voltage (16) or temperature-control circuit (14) sends the driving signal, drives language or music circuit work, and sends the relational language that recorded or the prompting language or the music of musical sound by loudspeaker.
  3. 3. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: outside detachable rack (22a) and the support (22b) that has metal or nonmetallic materials to make by the design of people side of bag, the bag outside has for water intaking and operates the valve (11a, 11b, 24) that the control function is used, the hamper that metal or nonmetal Heat Conduction Material make (2,2b, 2a) is arranged in the bag, water box (3,23b, 23a) and water tumbler (29), the end boxes (17b) of using are arranged more, reach lid (12).
  4. 4. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: what water box and hamper selector switch (13b) were selected to use is water box (3) and temperature sensor (26) or hamper (2) and temperature sensor (27), determine it is by h and c selector switch (13c) again with electric heating film (7a, 7b) heating work or with semiconductor chilling plate (10a, 10b) refrigeration work, thereby by temperature controller control temperature, a heating or a chilled water box (3) and hamper (2) separately.
  5. 5. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: control heating and cryogenic temperature respectively by two temperature controllers (14a, 14b), what select need to use with selector switch (13b) is hot and cold water box (23b, 23a) or cold and hot hamper (2b, 2a), what select need to use with selector switch (13c) is hot and cold water box temperature sensor (26b, 26a) or cold and hot hamper temperature sensor (27b, 27a), and hot and cold water box (23b, 23a) or cold and hot hamper (2b, 2a) can heat and freeze simultaneously;
    Perhaps control heating and cryogenic temperature respectively by two temperature controllers (14a, 14b), selecting with selector switch (13b) is heating or chilled water box (3) and hamper (2), thereby adds hot water box (3) and hamper (2) or chilled water box (3) and hamper (2) simultaneously;
    Perhaps control heating and cryogenic temperature respectively by two temperature controllers (14a, 14b), select the water box (23b, 23a) and the hamper (2) that freeze and heat with selector switch (13b), select water box temperature sensor (26b, 26a) or hamper temperature sensor (27b, 27a) with selector switch (13c), thereby freeze simultaneously and add hot water box (23b, 23a), perhaps select refrigeration and heating hamper (2) by the cold and hot selector switch of hamper (13h).
  6. 6. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: replace water box (3) and accessory water lid (4), discharge water and save door (20) with water tumbler (29) and accessory bowl cover (30), select the heating function of water tumbler (29) or hamper (2) with selector switch (13b), and the conversion of water tumbler temperature sensor (26) or hamper temperature sensor (27), by a temperature sensor control temperature, thereby add hot water cup or hamper merely.
  7. 7. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: the refrigerating function of selecting water box (3) or hamper (2) with selector switch (13b), and the conversion of water box temperature sensor (26) or hamper temperature sensor (27), by a temperature sensor control temperature, thus simple chilled water box or hamper.
  8. 8. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: heating or refrigerating function when controlling water box (3) or hamper (2) with selector switch (13b), the temperature sensor inputs of temperature controller (14) directly connects water spilage tray temperature sensor (26), thereby, and can be simultaneously water box (3) and hamper (2) be heated and freeze with temperature sensor control temperature;
    Perhaps by a temperature controller control water box temperature, selector switch (13b) is selected heating or chilled water box and hamper, and temperature sensor (26a, 26b), thereby add hot water box (2a) and hamper (23a) or chilled water box (2b) and hamper (23b) simultaneously.
  9. 9. described many with heating and cooling insulation bag according to claim 1; it is characterized in that: by fan (18), air channel (19a) radiator (19b, 19c); overtemperature prote device (10c, the 10d) air inlet (19d) of semiconductor chilling plate (10a, 10b) and air intake flap (19e), air outlet (19f, 19g) and air-out flap (19h, 19i) are formed the heat radiation and the overtemperature prote system of semiconductor chilling plate (10a, 10b).
  10. 10. described many with heating and cooling insulation bag according to claim 1, it is characterized in that: water box or water tumbler heat with electric heating film or ceramic PTC heating sheet (7a), its surface temperature is designed to 124 ℃ to 240 ℃, and its overtemperature prote device (8a) design protection temperature is 108 ℃ to 226 ℃;
    Hamper heats with electric heating film or ceramic PTC heating sheet (7b), and its surface temperature is designed to 70 ℃ to 120 ℃, and its overtemperature prote device (8b) design protection temperature is 56 ℃ to 106 ℃;
    The overtemperature prote device (10c, 10d) of semiconductor chilling plate (10a, 10b), the design protection temperature is 76 ℃ to 99 ℃.
CNB2004100307001A 2004-04-06 2004-04-06 Multi-purpose heating and refrigerating thermal insulative bag Expired - Fee Related CN100498124C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CNB2004100307001A CN100498124C (en) 2004-04-06 2004-04-06 Multi-purpose heating and refrigerating thermal insulative bag
PCT/CN2005/000453 WO2005096869A1 (en) 2004-04-06 2005-04-06 A kind of portable insulated bag that provided with heating and refrigerating function
CNB2005800009062A CN100556333C (en) 2004-04-06 2005-04-06 A kind of portable type heat insulating bag with heating and refrigerating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2004100307001A CN100498124C (en) 2004-04-06 2004-04-06 Multi-purpose heating and refrigerating thermal insulative bag

Publications (2)

Publication Number Publication Date
CN1680761A CN1680761A (en) 2005-10-12
CN100498124C true CN100498124C (en) 2009-06-10

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CNB2004100307001A Expired - Fee Related CN100498124C (en) 2004-04-06 2004-04-06 Multi-purpose heating and refrigerating thermal insulative bag
CNB2005800009062A Expired - Fee Related CN100556333C (en) 2004-04-06 2005-04-06 A kind of portable type heat insulating bag with heating and refrigerating function

Family Applications After (1)

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CN (2) CN100498124C (en)
WO (1) WO2005096869A1 (en)

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FR2892396A1 (en) * 2005-10-24 2007-04-27 Alain Dongar Backpack for e.g. hospital, has semi-circular top part and quadrangular bottom part that forms isothermal chamber in which refrigerant cartridge is provided, where bottom part has blower circulating fluid air in refrigerated compartment
CN101735949B (en) * 2008-11-05 2012-10-10 广达电脑股份有限公司 Temperature change device
CN103040217A (en) * 2012-12-26 2013-04-17 王德普 Bag and application thereof
CN103673461A (en) * 2013-12-21 2014-03-26 南通芯迎设计服务有限公司 Field storage device
CN105105486A (en) * 2015-09-07 2015-12-02 桂林电子科技大学 Portable heatable lunch box
CN105739565A (en) * 2016-02-22 2016-07-06 黄焕珠 Constant temperature box capable of refrigerating and heating
CN105928729A (en) * 2016-04-12 2016-09-07 安庆市鸿裕工业产品设计有限公司 Temperature controlled sampling device
US20190285338A1 (en) * 2016-11-22 2019-09-19 Sandeep Kumar Chintala Portable container with temperature regulator
CN111012025A (en) * 2019-12-27 2020-04-17 广东大粤新能源科技股份有限公司 Solar refrigeration knapsack
CN112268383B (en) * 2020-09-15 2021-11-30 珠海格力电器股份有限公司 Intelligent healthy preservation box

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US20200305648A1 (en) * 2019-03-26 2020-10-01 Chef Pack, Llc Food delivery system
US11350795B2 (en) * 2019-03-26 2022-06-07 Chef Pack, Llc Food delivery system

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CN1897842A (en) 2007-01-17
CN1680761A (en) 2005-10-12
CN100556333C (en) 2009-11-04
WO2005096869A1 (en) 2005-10-20

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