CN207477318U - A kind of multiple temperature sections temperature control cool-bag - Google Patents

A kind of multiple temperature sections temperature control cool-bag Download PDF

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Publication number
CN207477318U
CN207477318U CN201720313480.6U CN201720313480U CN207477318U CN 207477318 U CN207477318 U CN 207477318U CN 201720313480 U CN201720313480 U CN 201720313480U CN 207477318 U CN207477318 U CN 207477318U
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CN
China
Prior art keywords
interlayer
heat sink
sink material
bag
phase
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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.)
Expired - Fee Related
Application number
CN201720313480.6U
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Chinese (zh)
Inventor
姜漱琪
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Shenzhen Environment Energy Research Institute Co Ltd
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Shenzhen Environment Energy Research Institute Co Ltd
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Priority to CN201720313480.6U priority Critical patent/CN207477318U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a kind of multiple temperature sections temperature control cool-bag, using the combination of fixed phase-change material and at least one removable phase-change material, it can realize the fast cooling of at least two temperature sections, not only meet hot water and rushed the needs of using, but also can different consumption temperatures be set according to different hobbies;By changing modes of emplacement, thermal insulation cup or other cool-bags both can be used as, it is also possible to make common teacup or other non-cool-bags;Simple in structure, easy to operate, manufacture cost will not dramatically increase, conducive to popularization.

Description

A kind of multiple temperature sections temperature control cool-bag
Technical field
The utility model is related to small stores, medical health field more particularly to a kind of multiple temperature sections temperature control cool-bags.
Background technology
Thermal insulation cup is common daily necessities, using the heat-blocking action of vacuum interlayer, slows down heat dissipation of the hot water on the outside of cup body Process, so as to play heat insulation effect.But conventional vacuum cup has the defects of very big, exactly its insulation effect, makes the heat poured into Water needs to place the temperature for being lot more time to drop to suitable for drinking, and makes troubles to life.Simultaneously as temperature fall time mistake When slowly, for making tea, the quality and mouthfeel of tealeaves, therefore the cup of good heat-insulation effect can be destroyed, is more difficult to make as teacup With.
For this purpose, thermal insulation cup of people's utility model using phase-change material fast cooling.For example, utility model patent " speed Cooling insulation container " (CN92100602), filling is with required phase transition temperature, larger in the interlayer between outer layer and internal layer cup body The phase change material of latent heat of phase change and larger thermal conductivity factor, the hot body being packed into the quick cooling insulation container can cool down rapidly, and can be The phase transition temperature of phase change material nearby keeps the temperature the long period.Utility model patent " layered phase-change thermos cup " (CN102266184A) And then phase transformation filled layer is separated into upper and lower multi-segment structure with annular partition, so that no matter how many water in the cup amount is, it can all keep suitable The temperature preferably drunk.Other similar patents, such as Self-controlled thermos cup with constant temperature (CN201005406Y), a kind of phase-change material every Layer thermal insulation cup (CN202919767U), thermal-storage thermos cup (CN2657551Y), a kind of intelligent temperature control high-efficient thermal insulation cup (CN204274019U), a kind of cooling thermal insulation cup (CN204260436U), fast cooling thermal insulation cup (CN203468187U) are a kind of Thermal insulation cup (CN204635824U) containing heat-storage agent etc. and use phase-change material carry out temperature adjustment.
On the other hand, thermal insulation cup also can realize cooling by changing the heat-sinking capability from inner wall to outer wall, can both pass through Inside and outside wall contact surface is adjusted, hot medium can also can be led by being added in interlayer and realizes.For example, patent " can cool down Thermal insulation cup " (CN101756596A) makes to contact by water phase between inner wall and outer wall by being inverted, and realizes heat dissipation, patent " rotation The fast-cooling thermal insulating cup and its application method of adjusting " (CN101731904A) changes the contact surface of inside and outside wall by rotation, realizes and dissipates The adjusting of thermal velocity, patent " radiating heat-insulation cup " (CN102578885A), by installing cooling fin and adjustable in interior outside sandwich The heat-dissipating pipe of section carries out radiating control, patent " a kind of novel magnet control multistage radiating heat-insulation cup " (CN205849193U) " a kind of novel spring control multistage radiating heat-insulation cup " (CN205849192U) then sets heat conduction and two heat-insulated in cup Cavity controls hot water to enter heat conduction cavity, carries out heat dissipation adjusting, patent " thermal insulation cup that can cool down " by magnet or spring (CN101756596A) there is provided middle cup, cup makes inside and outside heat conduction become strong during hot water enters during inversion, realizes heat dissipation.But the prior art There are following technological deficiencies:
1st, can realize hot water fast cooling using phase-change material, exactly because but hot water cooling it is too fast, and can not be as Teacup uses, and can not meet one glass of multi-purpose demand.Meanwhile the existing cup using phase change material temperature lowering, do not meet more The demand of Duan Jiangwen.
2nd, a variety of heat-sinking capabilities by changing cup body of people's utility model, adjust the design of hot water radiator speed, But it is complicated, it increases manufacturing cost.Meanwhile the radiating rate of this cup is similar with conventional cup, does not reach fast The purpose of prompt drop temperature.
Utility model content
(1) technical problems to be solved
In order to solve the above problem of the existing technology, the utility model, which provides a kind of multiple temperature sections temperature control heat preservation, to be held Device.
(2) technical solution
The utility model provides a kind of multiple temperature sections temperature control cool-bag, and side wall includes at least three layers of housing, and adjacent two An interlayer is formed between layer housing, each interlayer is provided with heat sink material, and the heat sink material of at least one interlayer setting is removable Dynamic heat sink material, the removable heat sink material can be moved along interlayer.
Preferably, the heat sink material is set to the first position of interlayer, and the removable heat sink material can be in interlayer It is moved between first position and the second position.
Preferably, the heat sink material is set to the epimere of interlayer, when container is upright or keeps flat, the removable heat dissipation Material is located at the hypomere of place interlayer, when container stands upside down, the epimere of interlayer where the removable heat sink material is moved to.
Preferably, the bottom of interlayer or epimere where the removable heat sink material are provided with spring, the spring with can Mobile heat sink material connection, when container stands upside down, under the action of the spring, where the removable heat sink material is moved to The epimere of interlayer.
Preferably, the taper in width of the top and bottom of interlayer where the removable heat sink material, when container stands upside down, The epimere of interlayer where the removable heat sink material is squeezed into, when container is upright, the removable heat sink material falls and squeezes The hypomere of interlayer where entering.
Preferably, one handle is set on side wall, and the handle is by the removable heat sink material of interlayer connection, by described The movement of the removable heat sink material of handle control.
Preferably, interlayer where the removable heat sink material is intraformational bed or outside sandwich;The middle part of middle layer housing For filament or orifice plate shape.
Preferably, middle layer housing two sections detach, and are supported by being coupled fin by internal layer shell and outer casing.
Preferably, the housing is three layers, from outside to inside respectively shell, middle case and inner casing, shell and middle case it Between form the first vacuum interlayer, form the second vacuum interlayer between middle case and inner casing, the removable heat sink material is located at the One vacuum interlayer or the second vacuum interlayer.
Preferably, one of which of the heat sink material for phase-change material and Heat Conduction Material, the removable heat sink material One of which for phase-change material and Heat Conduction Material.
(3) advantageous effect
It can be seen from the above technical proposal that the multiple temperature sections temperature control cool-bag of the utility model has below beneficial to effect Fruit:
(1) the fast cooling characteristic of phase-change material is combined by the utility model with the heat-sinking capability adjusting of cup body, is realized Fast cooling and radiating rate can be adjusted, moreover it is possible to the ability that hot water is made to be maintained at more than two temperature sections, so as to preferably Meet a variety of of people and drink needs.
(2) using the combination of fixed phase-change material and at least one removable phase-change material, at least two temperature can be realized The fast cooling of section is spent, had not only met hot water and has rushed the needs of using, but also can different consumption temperatures be set according to different hobbies.
(3) by changing modes of emplacement, it both can be used as thermal insulation cup, it is also possible to make common teacup.
(4) simple in structure, easy to operate, manufacture cost will not dramatically increase, conducive to popularization.
Description of the drawings
Fig. 1 is that the multiple temperature sections temperature control cool-bag of the utility model first embodiment is upright or sectional view when keeping flat;
Fig. 2 is the internal structure schematic diagram that container shown in Fig. 1 stands upside down when placing;
Fig. 3 is the structure diagram of middle casing;
Fig. 4 is the structure diagram of middle casing outer casing;
Fig. 5 is the sectional view of the multiple temperature sections temperature control cool-bag of the utility model second embodiment;
Fig. 6 is the sectional view of the multiple temperature sections temperature control cool-bag of the utility model 3rd embodiment;
Fig. 7 is the sectional view of the multiple temperature sections temperature control cool-bag of the utility model fourth embodiment.
【Symbol description】
101- shells;102- middle cases;103- inner casings;The first phase-change materials of 201-;The second phase-change materials of 202-;301- is kept off Plate;401- springs;The middle part of 1021- middle cases;1022- is coupled fin.
Specific embodiment
The utility model is related to one kind can make hot water fast cooling, multiple temperature sections heat preservation and radiating rate regulatable Cool-bag.
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and With reference to attached drawing, the utility model is further described.
As shown in Figure 1, the cool-bag of the utility model first embodiment is a thermal insulation cup, including cup body and cup lid, cup Body sidewall includes three layers of housing, from outside to inside respectively shell 101, middle case 102 and inner casing 103, housing by the capacity of heat transmission compared with Good metal is made, such as stainless steel.The first vacuum interlayer, middle case 102 and inner casing are formed between shell 101 and middle case 102 The second vacuum interlayer is formed between 103, heat conduction from inside to outside can be blocked, to reach heat insulation effect.
The epimere of first vacuum interlayer, i.e., close to the part of cup lid, equipped with the first phase-change material 201, the first phase-change material 201 can be paraffin or other organic substances, be encapsulated in plastics or metal foil and formed, when can prevent from itself from melting everywhere Trickling.The housing wall of this first phase-change material 201 and shell 101 and middle case 102 is in close contact, and the first vacuum interlayer can be with One baffle 301 is set, for fixing the position of the first phase-change material 201, prevents phase-change material from moving.
Equipped with the second phase-change material 202, the second phase-change material 202 can be paraffin in second vacuum interlayer or other organic Substance is encapsulated in plastics or metal foil and is formed, and prevents from itself from cannot keep fixed shape after melting.Second phase-change material 202 height is no more than the second vacuum interlayer half, such as its height can be the 1/2 or 1/3 of the second vacuum layer, with centre Shell 102 and inner casing 103 are contacted and can be moved up and down.The bottom of second vacuum interlayer is provided with spring 401, spring 401 and second Phase-change material 202 is bound up.When as shown in Figure 1, thermal insulation cup is upright or when keeping flat, the second phase-change material 202 is located at second The hypomere of vacuum interlayer, i.e., close to the part of bottom of a cup, when cup body placement status changes, spring 401 draws the second phase-change material 202 move along the second vacuum interlayer.
Wherein, the filling weight of first, second phase-change material 201,202 can be adjusted as needed, and computational methods are:
rPCM·mPCM=mwaterCwater(100-T0)
Wherein, rPCM[kJ/kg] is the latent heat of phase-change material, mPCM[kg] is the filling weight of phase-change material, mwater [kg] is the amount of being filled with water of thermal insulation cup, and Cwater [kJ/kgK] is the specific heat of water, T0It is the water temperature after fast cooling.
The thermal insulation cup application method of the utility model embodiment is as follows:(1) thermal insulation cup is upright and pours into hot water, due to second The epimere of vacuum interlayer is vacuum, and hot water only contacts the second phase-change material 202, the second phase-change material 202 by inner casing 103 at this time Melt heat absorption, hot water fast cooling is typically reduced to 60~90 DEG C.The second phase-change material 202 can be adjusted according to user's needs Filling weight, realize different cooling sections.Then cup lid is tightened, thermal insulation cup is made to be kept upright or horizontal positioned state, at this moment Hot water may remain in this higher temperature, and keep the temperature longer time in cup.
(2) if necessary to which hot water quickly to be dropped to lower temperature, thermal insulation cup can be stood upside down and placed, as shown in Fig. 2, this When the second phase-change material 202 epimere of the second vacuum interlayer is moved in the promotion of its own gravity and spring 401, i.e., close to cup The part of lid.Since the second phase-change material 202 is in contact with the first phase-change material 201 by middle case 102, heat passes through second Phase-change material 202 is led into the first phase-change material 201, and the first phase-change material 201 melts heat absorption, hot water is made further to cool down rapidly, 40~70 DEG C are typically reduced to, the filling weight of the first phase-change material 201 according to user's needs, similarly can be adjusted with above-mentioned, it is real Existing different cooling section.
(3) it twice after fast cooling, by thermal insulation cup again upright placement or can keep flat, at this moment the second phase-change material 202 exists Spring 401 comes back to the hypomere of the second vacuum interlayer under drawing, the first phase-change material 201 and the second phase-change material 202 are detached from Contact, thermal insulation cup can keep keeping warm mode, and the water in cup can be maintained at 40~70 DEG C in a longer period of time.
(4) if not wanting to keep the temperature water, thermal insulation cup can be kept handstand placement status, at this moment non-thermal insulation cup can be used as to make With hot water continues through first, second phase-change material 201,202 to function of environment heat emission, can not grown as common cup Time in hot water is reduced to room temperature.
It can be seen that the utility model, by setting two vacuum interlayers, and the phase-change material of one of interlayer can To move up and down, when changing placement status, user can easily realize 2 temperature section fast coolings, while both can be with Cup as thermal insulation cup is used, can also be used as non-thermal insulation cup, be met and a variety of drink demand.
In the present embodiment, as shown in figure 3, the middle part 1021 of middle case can make filament or orifice plate shape, in making Between reduce heat conduction between shell upper semisection and lower semisection, strengthen heat insulation.The rigidity of spring 401 can be suitably selected, makes heat preservation The second phase-change material 202 can be moved to the epimere of the second vacuum interlayer when cup is inverted, and keep flat or the second phase transformation during upright placement Material 202 can reset.
In the present embodiment, as shown in figure 4, middle case upper semisection and lower semisection are separated from each other, between upper semisection and shell, It is provided between lower semisection and inner casing and is coupled fin, upper and lower half section of middle case is by being coupled fin respectively by shell and inner casing branch Support.
In the present embodiment, the second phase-change material 202 can not be phase-change material, and only Heat Conduction Material, such as metal derby Or the liquid packet being closed, at this moment it does not play cooling effect and only play conductive force.When pouring into hot water in this way, due to the first vacuum The hypomere of interlayer is vacuum, and heat will not be passed by Heat Conduction Material, and hot water does not cool down;When thermal insulation cup is stood upside down, heat conduction Material is moved to the epimere of the second vacuum interlayer, is in contact with the first phase-change material 201 by middle case 102, heat is by leading Hot material passes to the first phase-change material 201, and hot water just cools down and radiates.
In the present embodiment, the first phase-change material 201 may not be phase-change material, and only Heat Conduction Material, such as metal Block or the liquid packet being closed, at this moment it does not play cooling effect and only play conductive force.When thermal insulation cup is stood upside down, the Heat Conduction Material It is in contact with the second phase-change material 202 by middle case 102, heat passes to Heat Conduction Material by the second phase-change material 202, promotees Into hot water radiator.
In the present embodiment, although thermal insulation cup has three layers of housing, the utility model is not limited thereto, the shell of thermal insulation cup Body can have 4 layers or more, 3 layers or more of vacuum interlayer can be formed in this way, using similar structure, at least one vacuum clip Removable phase-change material in layer is set, fixed phase-change material in remaining vacuum interlayer is set, passes through at least one removable phase transformation The combination of material and remaining fixation phase-change material can realize cooling, the heat insulation function of more temperature sections.
The cool-bag of the utility model second embodiment, in order to achieve the purpose that brief description, above-mentioned first embodiment In it is any make same application technical characteristic describe all and in this, without repeating identical narration.
As shown in figure 5, the epimere of the second vacuum interlayer is provided with spring 401, one end of spring 401 is fixed on the second vacuum The top of interlayer, the other end are bound up with the second phase-change material 202.When thermal insulation cup is upright or keeps flat, the second phase-change material 202 are located at the hypomere of the second vacuum interlayer, i.e. half section close to bottom of a cup under gravity, when thermal insulation cup, which stands upside down, to be placed, Second phase-change material 202 is moved to the epimere of the second vacuum interlayer in the pulling of its own gravity and spring 401, by thermal insulation cup weight New upright placement or when keeping flat, the second phase-change material 202 comes back to the hypomere of the second vacuum interlayer, realize with it is above-mentioned first real Apply the identical function of example.
The cool-bag of the utility model 3rd embodiment, in order to achieve the purpose that brief description, any of the above-described embodiment In it is any make same application technical characteristic describe all and in this, without repeating identical narration.
As shown in fig. 6, the first phase-change material 201, i.e., fixed phase-change material can be placed on intraformational bed, that is, in being arranged on Between the vacuum interlayer that is formed between shell 102 and inner casing 103, by the second phase-change material 202, you can mobile phase-change material is placed on outer Interlayer is arranged on the vacuum interlayer formed between middle case 102 and shell 101.
When the hot water poured into does not reach the position of the first phase-change material 201, in keeping warm mode, inverted insulation cup Afterwards, heat is absorbed by the first phase-change material 201 and the second phase-change material 202, realizes fast cooling, thermal insulation cup is upright or keep flat Afterwards, and in keeping warm mode or handstand state is kept, hot water is reduced to room temperature.When the hot water poured into reaches the first phase-change material During 201 position, heat is absorbed by the first phase-change material 201, hot water cooling, and after inverted insulation cup, heat is by the first phase transformation material 201 and second phase-change material 202 of material absorbs, and hot water further cools down, thermal insulation cup is upright or after keeping flat, and in heat preservation shape State keeps handstand state, and hot water is reduced to room temperature.
The cool-bag of the utility model fourth embodiment, in order to achieve the purpose that brief description, any of the above-described embodiment In it is any make same application technical characteristic describe all and in this, without repeating identical narration.
The embodiment is not provided with spring, and removable phase-change material can not have to spring supporting and traction, stand upside down or just stand up It when putting, knocks in passing, removable phase-change material is moved up and down by its own gravity.
It is possible to further suitably reduce the width of the upper and lower side for the vacuum interlayer for being provided with removable phase-change material, such as Shown in Fig. 7, the top and bottom end of inner casing 103 tilt outward, reduce the width of the second vacuum interlayer top and bottom.Whenever just When vertical or handstand is placed, cup is knocked, makes the second phase-change material 202 that can be squeezed just in the second vacuum interlayer under percussion One end, turn over placement when, only knock again, the second phase-change material 202 can just fall and squeeze into the other end.In this way, i.e. Make, without using spring, cup can also be made to realize similar function when changing placement status.
The cool-bag of the 5th embodiment of the utility model, in order to achieve the purpose that brief description, any of the above-described embodiment In it is any make same application technical characteristic describe all and in this, without repeating identical narration.
In the embodiment, spring is not provided with, the interlayer that thermal insulation cup housing is formed not is vacuum interlayer, is set on housing exterior walls One handle is equipped with, the handle is by the removable phase-change material of interlayer connection, such as the second phase-change material 202, by moving manually Handle controls the position of the second phase-change material 202, realizes control cooling heat preservation manually.
The fast cooling characteristic of phase-change material is combined by the utility model with the heat-sinking capability adjusting of cup body, and realization can Fast cooling, and radiating rate can be adjusted, moreover it is possible to the ability that hot water is made to be maintained at more than two temperature sections, so as to better meet The a variety of of people drink needs.By changing modes of emplacement, thermal insulation cup both can be used as, it is also possible to make common teacup.With existing skill Art is compared, simple in structure, easy to operate, and manufacture cost will not dramatically increase, and conducive to popularization, can be applied to various heat preservation cold insulations Container.
So far, attached drawing is had been combined the present embodiment is described in detail.According to above description, those skilled in the art There should be clear understanding to the multiple temperature sections temperature control cool-bag of the utility model.
It should be noted that in attached drawing or specification text, the realization method that is not painted or describes is affiliated technology Form known to a person of ordinary skill in the art in field, is not described in detail.In addition, above-mentioned definition to each element and not only limiting Various concrete structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out simply more it Change or replace, such as:
(1) direction term mentioned in embodiment, such as " on ", " under ", "front", "rear", "left", "right" etc. are only ginsengs The direction of attached drawing is examined, is not used for limiting the scope of protection of the utility model;
(2) above-described embodiment can be based on the considerations of design and reliability, and the collocation that is mixed with each other uses or and other embodiment Mix and match uses, i.e., the technical characteristic in different embodiments can freely form more embodiments.
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to this Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap Containing being within the protection scope of the utility model.

Claims (10)

1. a kind of multiple temperature sections temperature control cool-bag, which is characterized in that its side wall include at least three layers of housing, adjacent two layers housing it Between form an interlayer, each interlayer is provided with heat sink material, and the heat sink material of at least one interlayer setting is removable heat dissipation material Material, the removable heat sink material can be moved along interlayer.
2. multiple temperature sections temperature control cool-bag as described in claim 1, which is characterized in that the heat sink material is set to interlayer First position, the removable heat sink material can move between the first position of interlayer and the second position.
3. multiple temperature sections temperature control cool-bag as claimed in claim 2, which is characterized in that the heat sink material is set to interlayer Epimere, when container is upright or keeps flat, the removable heat sink material is located at the hypomere of place interlayer, when container stands upside down, institute State the epimere of interlayer where removable heat sink material is moved to.
4. multiple temperature sections temperature control cool-bag as claimed in claim 3, which is characterized in that pressed from both sides where the removable heat sink material The bottom or epimere of layer are provided with spring, and the spring is connect with removable heat sink material, when container stands upside down, in the spring Under the action of, the epimere of interlayer where the removable heat sink material is moved to.
5. multiple temperature sections temperature control cool-bag as claimed in claim 3, which is characterized in that pressed from both sides where the removable heat sink material The taper in width of the top and bottom of layer, when container stands upside down, the epimere of interlayer where the removable heat sink material is squeezed into, when When container is upright, the hypomere of interlayer where the removable heat sink material falls and squeezes into.
6. multiple temperature sections temperature control cool-bag as claimed in claim 3, which is characterized in that one handle is set on side wall, it is described Handle controls the movement of removable heat sink material by the handle by the removable heat sink material of interlayer connection.
7. the multiple temperature sections temperature control cool-bag as described in claim 1 to 6 any claim, which is characterized in that described removable Interlayer where dynamic heat sink material is intraformational bed or outside sandwich;The middle part of middle layer housing is filament or orifice plate shape.
8. the multiple temperature sections temperature control cool-bag as described in claim 1 to 6 any claim, which is characterized in that middle layer shell Body two sections detach, and are supported by being coupled fin by internal layer shell and outer casing.
9. the multiple temperature sections temperature control cool-bag as described in claim 1 to 6 any claim, which is characterized in that the housing It it is three layers, respectively shell, middle case and inner casing, form the first vacuum interlayer from outside to inside between shell and middle case, intermediate The second vacuum interlayer is formed between shell and inner casing, the removable heat sink material is located at the first vacuum interlayer or the second vacuum clip Layer.
10. multiple temperature sections temperature control cool-bag as claimed in claim 9, which is characterized in that the heat sink material is phase-change material With the one of which of Heat Conduction Material, one of which of the removable heat sink material for phase-change material and Heat Conduction Material.
CN201720313480.6U 2017-03-28 2017-03-28 A kind of multiple temperature sections temperature control cool-bag Expired - Fee Related CN207477318U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106880245A (en) * 2017-03-28 2017-06-23 深圳环境能源研究院有限公司 A kind of multiple temperature sections temperature control cool-bag

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106880245A (en) * 2017-03-28 2017-06-23 深圳环境能源研究院有限公司 A kind of multiple temperature sections temperature control cool-bag
CN106880245B (en) * 2017-03-28 2019-06-11 深圳环境能源研究院有限公司 A kind of multiple temperature sections temperature control cool-bag

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