CN109682184B - Baking device for solid contact heat transfer - Google Patents

Baking device for solid contact heat transfer Download PDF

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Publication number
CN109682184B
CN109682184B CN201910091212.8A CN201910091212A CN109682184B CN 109682184 B CN109682184 B CN 109682184B CN 201910091212 A CN201910091212 A CN 201910091212A CN 109682184 B CN109682184 B CN 109682184B
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CN
China
Prior art keywords
heat
clamp
baked
conducting
solid contact
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Application number
CN201910091212.8A
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Chinese (zh)
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CN109682184A (en
Inventor
陈伟
裴志武
李云星
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Zhongshan Zhongwangde New Energy Technology Co ltd
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Zhongshan Zhongwangde New Energy Technology Co ltd
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Priority to CN201910091212.8A priority Critical patent/CN109682184B/en
Publication of CN109682184A publication Critical patent/CN109682184A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/063—Movable containers or receptacles, e.g. carts, trolleys, pallet-boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • F26B25/14—Chambers, containers, receptacles of simple construction
    • F26B25/18—Chambers, containers, receptacles of simple construction mainly open, e.g. dish, tray, pan, rack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum

Abstract

The invention discloses a solid contact heat transfer baking device, which comprises a baking box body, a temperature control module and at least one clamp unit capable of conducting heat, wherein an inner cavity is formed in the baking box body; this design directly adopts the mode of treating the heating of toasting article of solid contact heat conduction, and heating rate is faster in convection type air heating, reduces the energy consumption simultaneously, no matter heating time or cooling time, can both shorten to improve production efficiency.

Description

Baking device for solid contact heat transfer
Technical Field
The invention relates to the baking field, in particular to a baking device.
Background
The existing baking device, especially for baking and drying lithium ion batteries, is mainly a high-temperature vacuum baking oven, namely, vacuum is kept in the baking process, convection type gas is applied to the interior of the baking oven to heat the baking oven to achieve the purpose of removing moisture, the adopted convection type gas heating mode generally has the heating baking time of about 12-36h, meanwhile, the heating effect is not ideal, the flowing gas is required to rise to a certain temperature, the required energy consumption cost is high, the temperature required by baking is higher (generally higher than 85 ℃), the electric core material is taken out when the temperature is higher, the electric core material is easy to absorb water to cause great discount on the baking effect, the electric core material must be taken out after being completely cooled, but the duration of the cooling process after baking is longer, the cooling time of the electric core after baking to the normal temperature is generally required to be 1-2h, the overlong cooling time of the baking oven directly prolongs the production period of the lithium ion battery, and the production efficiency is influenced.
Therefore, the baking device using convection type air heating can not always meet the requirements of the industry nowadays, and not only can be applied to a baking oven for baking lithium ion batteries, but also can be used for baking other products.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a baking device for realizing rapid heating and cooling by utilizing solid contact to conduct heat.
The technical scheme adopted by the invention is as follows:
a solid contact heat transfer toasting device comprising:
the baking oven body is internally provided with an inner cavity;
the temperature control module and at least one clamp unit capable of conducting heat are arranged in the inner cavity and used for clamping the to-be-baked goods, the temperature control module is connected with the clamp unit, and heat conduction is achieved among the temperature control module, the clamp unit and the to-be-baked goods in a solid contact mode, so that the temperature control module can heat and/or cool the to-be-baked goods.
The vacuum drying module is communicated with the inner cavity to perform vacuum drying treatment on the articles to be baked.
The vacuum drying module comprises a vacuumizing component and an inert gas output component, wherein the vacuumizing component is communicated with the inner cavity so as to be capable of extracting air of the inner cavity; the inert gas output member communicates with the interior chamber to enable filling of the interior chamber with inert gas.
The clamp unit comprises a heat conducting bottom plate, at least one movable clamp, at least one fixed clamp matched with the movable clamp and a clamping driving component, wherein the fixed clamp and the clamping driving component are arranged on the heat conducting bottom plate, the heat conducting bottom plate can heat the movable clamp and/or the fixed clamp, a space capable of accommodating an article to be baked exists between the movable clamp and the fixed clamp, and the clamping driving component is connected with the movable clamp and can drive the movable clamp to move towards the fixed clamp so as to clamp the article to be baked.
The jig unit further includes a height adjusting member capable of driving the article to be baked to move up and down with respect to the heat conductive base plate.
The height adjusting component comprises a positioning seat, a bolt hole group and a positioning pin, wherein the bolt hole group comprises a plurality of bolt holes which are sequentially distributed from top to bottom, the bolt hole group is arranged on a positioning clamp, the positioning pin is arranged on the positioning seat, and the positioning seat can be contacted with an object to be baked to drive the object to be baked to move.
The temperature control module is connected with the heat-conducting laminate in a heat-conducting manner, and the heat-conducting bottom plate is detachably arranged on the heat-conducting laminate and is in heat-conducting contact with the heat-conducting laminate.
The locking component is arranged on the heat-conducting laminate and can be pressed against the heat-conducting bottom plate so that the heat-conducting bottom plate is clung to and fixed on the heat-conducting laminate.
At least one storage groove is formed in the heat conducting layer plate, and the heat conducting bottom plate can be arranged on the storage groove.
The temperature detection component is used for detecting the temperature of the heat-conducting laminate and feeding back and adjusting the operation of the temperature control module.
The invention has the beneficial effects that:
according to the baking device, the to-be-baked goods are fixed in the inner cavity of the baking box body through the clamp unit, the temperature control module, the clamp unit and the to-be-baked goods are always kept in solid contact, so that heat conduction can be realized, the temperature control module can heat or cool the to-be-baked goods through the conduction effect of the clamp unit, the heating rate is faster than that of convection type air heating by directly adopting a mode of heating the to-be-baked goods through solid contact heat conduction, meanwhile, energy consumption is reduced, heating time and cooling time can be shortened, and production efficiency is improved.
Drawings
The following describes the embodiments of the present invention further with reference to the drawings.
Fig. 1 is a perspective view of a baking apparatus according to the present invention.
Fig. 2 is a schematic structural view of the baking apparatus of the present invention.
Fig. 3 is a front view of the toasting device of the present invention.
Fig. 4 is a schematic structural view of a clamp unit of the baking apparatus of the present invention.
Fig. 5 is an enlarged schematic view of a portion a of the baking apparatus of the present invention.
Fig. 6 is an enlarged schematic view of a portion B of the toasting device of the present invention.
Detailed Description
As shown in fig. 1-6, the baking device comprises a baking box body 1, wherein the baking box body 1 can be internally provided with an inner cavity 11, the baking box body 1 comprises a shell 12 and a box door, the box door 13 can move relative to the shell 12 in a rotating or translating mode to open the inner cavity 11, a roller component 13 which is convenient for moving the baking device is also arranged at the bottom of the shell 1, or the baking device comprises a baking chamber which can accommodate the baking box body 1, the baking box body 1 is a storage framework, the roller component 13 is arranged on the storage framework, and the baking chamber can be dried in vacuum;
the temperature control module 2 and at least one clamp unit 3 capable of conducting heat, wherein the clamp unit 3 is arranged in the inner cavity 11 and used for clamping the to-be-baked goods, the temperature control module 2 is connected with the clamp unit 3, and heat conduction is realized among the temperature control module 2, the clamp unit 3 and the to-be-baked goods in a solid contact mode, so that the temperature control module 2 can heat and/or cool the to-be-baked goods.
The article to be baked here can be battery cell etc., in the inner chamber 11 of toasting box 1, the fixed article to be toasted through anchor clamps unit 3, the solid contact is kept always between temperature control module 2, anchor clamps unit 3 and the article to be toasted, thereby can realize heat conduction, temperature control module 2 can heat or the cooling to treat the article of toasting through the conduction effect of anchor clamps unit 3, the direct mode of treating the article of toasting of adopting solid contact heat conduction of this design, the heating rate is faster than convection type air heating, reduce the energy consumption simultaneously, whether heating time or cooling time, thereby improve production efficiency.
In the internal structure of the baking box 1, in order to bake a plurality of objects to be baked once, at least one layer of heat conducting laminate 4 is arranged in the inner cavity 11, a plurality of layers of heat conducting laminate 4 can be arranged from top to bottom, a plurality of layers can also be arranged from left to right, the number of layers of the heat conducting laminate 4 can be one layer, two layers or even five layers or six layers, and a framework capable of being movably connected with the heat conducting laminate 4 is correspondingly arranged in the inner cavity 11.
The temperature control module 2 is in heat conduction connection with the heat conduction layer plate 4, a plurality of clamp units 3 can be arranged on the heat conduction layer plate 4, and the clamp units 3 are in solid contact heat conduction with the heat conduction layer plate 4.
The clamp unit 3 of the present design has various implementation manners, for example, the clamp unit comprises a first clamp arm and a second clamp arm which are hinged with each other, and a torsion spring is added to enable the clamping ends of the first clamp arm and the second clamp arm to be close to each other so as to clamp an article to be baked;
as shown in fig. 1 and 4, the clamp unit 3 may include a heat conducting base plate 31, at least one movable clamp 32, at least one fixed clamp 33 mated with the movable clamp 32, and a clamp driving member 34, where the fixed clamp 33 and the clamp driving member 34 are disposed on the heat conducting base plate 31, the heat conducting base plate 31 can heat the movable clamp 32 and/or the fixed clamp 33, a space capable of accommodating an object to be baked exists between the movable clamp 32 and the fixed clamp 33, the clamp driving member 34 is connected with the movable clamp 32 and can drive the movable clamp 32 to move toward the fixed clamp 33 to clamp the object to be baked, and the heat conducting base plate 31 is in contact with both the movable clamp 32 and the fixed clamp 33, and can heat the object to be baked.
The inner side shape of the movable clamp 32 and the fixed clamp 33 after being matched can be planar, and is suitable for being attached to a square battery cell, or can be circular, and is suitable for being attached to a cylindrical battery cell.
The movable clips 32 and the fixed clips 33 in the clamp unit 3 can be distributed in a standard determinant, each movable clip 32 corresponds to one fixed clip 33 and is used for clamping an article to be baked, the clamping driving component 34 can be a driving rod matched with an elastic component or a multistage clamping component, the driving rod can be connected with a plurality of movable clips, one or a row of movable clips can be driven to approach the corresponding fixed clips at one time, the driving mode can be that the elastic component approaches to reset, or a human hand can adjust the gear through the multistage clamping component, so that the amount of the space between the movable clips and the fixed clips is adjusted, a plurality of bayonets can be arranged on the heat conducting base plate along the feeding direction, and a buckle is arranged on the driving rod, so that the multistage positioning is realized, or the driving rod can move on the sliding rail through the matching of the sliding rail and the buckle, and after moving to a certain position, the driving rod is buckled and fixed with the sliding rail through the buckle, so that the multistage positioning is realized.
In order to facilitate the subsequent operation of the article to be baked after baking, the heat conducting base plate 31 is detachably arranged on the heat conducting layer plate 4 and is in heat conducting contact with the heat conducting layer plate 4, so that the clamp unit 3 can be directly communicated with the article to be baked and detached from the heat conducting layer plate 4.
In the mounting process, as shown in fig. 3 and 5, the heat-conducting laminate 4 is provided with a locking component 5, and the locking component 5 can be pressed against the heat-conducting bottom plate 31 to enable the heat-conducting bottom plate 31 to be tightly attached to and fixed on the heat-conducting laminate 4, and the detachable function is realized by unlocking the locking component 5 after baking is completed.
The locking part 5 here can be a screw, a back-off arranged on the heat conducting laminate 4, while in the preferred embodiment of the design, a guide rail and a pressing strip are arranged on the framework of the inner cavity 11 of the shell 12, the pressing strip can move along the guide rail, a buckle or a bayonet is arranged on the guide rail, a matched bayonet or a buckle is arranged on the corresponding pressing strip, the pressing strip moves onto the heat conducting base plate along the guide rail and presses the heat conducting base plate, and the clamp unit is fixed on the heat conducting laminate by buckling the buckle and the bayonet.
And further, be provided with at least one and put thing recess 6 on the heat conduction plywood 4, heat conduction bottom plate 31 can be settled on putting thing recess 6 to cooperate locking part 5 makes heat conduction bottom plate 31 sink in putting thing recess 6, and then follow a plurality of positions fixed heat conduction bottom plate 31, prevent anchor clamps unit 3 not hard up.
Further, the jig unit 3 further includes a height adjusting member 7 capable of driving the article to be baked to move up and down with respect to the heat conductive base plate 31.
The height adjusting component 7 comprises a positioning seat 71, a bolt hole group 72 and positioning pins (not shown in the figure), the bolt hole group 72 comprises a plurality of bolt holes sequentially distributed from top to bottom, the bolt hole group 72 is arranged on the fixed clamp 32, the positioning pins are arranged on the positioning seat 71, the positioning seat 7 can be in contact with an object to be baked to drive the object to be baked to move, the height adjusting component 7 can also be a telescopic rod, and the telescopic rod can be lifted and lowered by being abutted against the bottom of the object to be baked.
Clamping the battery cell as the article to be baked by clamping the driving part 34; the movable clamp, the fixed clamp, the heat conducting laminate and the heat conducting base plate are all metal or nonmetal materials with high heat conductivity coefficient and certain hardness, such as copper, copper alloy, ceramic and the like, so that solid heat conduction is realized.
Further, as shown in fig. 2, in the process of heating and baking, the drying device further comprises a vacuum drying module 8, wherein the vacuum drying module 8 is communicated with the inner cavity 11 to perform vacuum drying treatment on the to-be-baked object, and the inner cavity 11 is formed into a vacuum environment, so that drying is realized.
The vacuum drying module 8 includes a vacuum-pumping part 81 and an inert gas output part 82, the vacuum-pumping part 81 being in communication with the inner chamber 11 to be able to pump air of the inner chamber 11; the inert gas output member 82 communicates with the inner chamber 11 to enable charging of the inner chamber 11 with inert gas.
The evacuation member 82 is connected to the inner chamber 11 by a pipe, and likewise, the inert gas output member 82 is connected to the inner chamber by a pipe.
When the baking operation is carried out, the box door is closed, vacuum drying is started, the vacuumizing part 81 performs vacuumizing treatment on the inner cavity 11, meanwhile, a heating signal is sent to the temperature control module 2 to heat the clamp unit 3, finally, the to-be-baked object on the clamp unit 3 is heated and baked, after the baking time is up, heating is stopped, a cooling signal is input to the temperature control module 2, the temperature of the to-be-baked object is reduced to the room temperature through solid heat conduction, then the vacuumizing part 81 is closed, the inert gas output part 82 is started to output inert gas into the inner cavity, so that the internal and external air pressure of the box body is balanced, the box door is opened at the moment, the clamp unit 3 is taken out, the locking part 5 of the clamp unit 2 is opened, the locking part 5 of the clamp unit 2 is unlocked, all the clamp units 3 are taken out, and the to-be-baked object is an electric core, and the process of automatic liquid injection can be shifted.
The box body can be further provided with a processor, an operation panel and an interface display screen, wherein the operation panel and the interface display screen are connected with the processor, the processor can be composed of a CPU or an MCU and peripheral circuits thereof, and the processor is respectively connected with the vacuumizing component, the inert gas output component and the temperature control module.
The temperature detection component 9 is used for detecting the temperature of the heat-conducting laminate and feeding back to adjust the operation of the temperature control module 2, the temperature detection component 2 can be a temperature probe or a temperature-sensitive resistance wire, the temperature of the heat-conducting laminate is detected, the temperature of an article to be baked is indirectly detected, and feedback information can be directly fed to the temperature control module to adjust the temperature or fed to a processor to control the temperature control module 2.
As shown in fig. 3 and 6, the temperature control module 2 includes a signal input/output end, a plurality of temperature control lines and a plurality of temperature real-time monitoring lines, the temperature control lines are respectively connected with each heat conducting laminate to raise or lower the temperature, the temperature implementation monitoring lines are connected with the temperature detection component, the temperature control module can adopt a compressor condenser and an evaporator to cooperate with a heat exchange pipeline to realize rapid heating and cooling, the temperature of each heat conducting laminate is controlled by the temperature control lines, the temperature raising and lowering speed is extremely high, the temperature control line material is copper wires with high heat conductivity coefficient, and the outside is wrapped with a layer of insulating high-temperature-resistant polymer material.
And the interface display screen content may include: 1. a temperature set value and a real-time monitoring value of each heat conducting laminate; 2. a vacuum degree set value and a real-time monitoring value; 3. the alarm prompt interface is provided with a vacuum switch, a pressure relief switch, a reset switch and a temperature switch on the operation panel.
When the article to be baked is a battery cell, the baking process is as follows: the packaged battery cells can be orderly and structurally placed in the clamp unit, the clamp unit can apply certain pressure to fix the battery cells through the movable clamp and the fixed clamp, and then the battery cells are placed in the storage grooves of the heat conducting laminate, and the heat conducting bottom plate of the clamp unit is tightly attached to the heat conducting laminate through locking parts, so that the rapid heat conducting effect between solids is achieved. The inner cavity can be provided with a plurality of heat-conducting laminates, one heat-conducting laminate can be provided with a plurality of clamp units, the clamp units can be provided with a plurality of lithium ion battery cells, the heat-conducting laminate filled with the clamp units is placed in the box body and is connected with a heating circuit, the temperature control module is used for controlling the temperature of the heat-conducting laminate, the heat-conducting bottom plate of the clamp units is further heated, the heat-conducting bottom plate is used for transferring heat to the fixed clamp and the movable clamp, the cells are further baked, the baking is simultaneously carried out in vacuum drying mode, the temperature of the heat-conducting bottom plate is rapidly reduced through the temperature control module after the baking, the temperature of the cells is restored to the room temperature, the clamping device of the clamp units is opened, the clamp units are taken out, and then automatic liquid injection is carried out.
The material with good heat conduction performance is adopted in the design to conduct solid heat conduction and cooling on the battery cell, so that the baking effect and the baking efficiency of the battery cell are greatly improved, and meanwhile, the degree of automation of the subsequent process is also improved.
Compared with the traditional gas convection type heat conduction effect, the heat conduction efficiency is higher, and the energy consumption is lower;
the production efficiency of the baking-liquid injection procedure is improved, and the production period and the cost of the lithium battery are reduced.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments, as long as the technical solutions for achieving the objects of the present invention by substantially the same means are all within the scope of the present invention.

Claims (7)

1. A solid contact heat transfer toasting device comprising:
the baking oven body is internally provided with an inner cavity;
the temperature control module is connected with the clamp unit, and the temperature control module, the clamp unit and the articles to be baked are in solid contact so as to realize heat conduction, thereby the temperature control module can heat and/or cool the articles to be baked;
the clamp unit comprises a heat conducting bottom plate, at least one movable clamp, at least one fixed clamp matched with the movable clamp, and a clamping driving part, wherein the fixed clamp and the clamping driving part are arranged on the heat conducting bottom plate, the heat conducting bottom plate can heat the movable clamp and/or the fixed clamp, a space capable of accommodating an article to be baked exists between the movable clamp and the fixed clamp, the clamping driving part is connected with the movable clamp and can drive the movable clamp to move towards the fixed clamp so as to clamp the article to be baked, and the clamp unit further comprises a height adjusting part capable of driving the article to be baked to move up and down relative to the heat conducting bottom plate;
the temperature control module is connected with the heat conduction layer plate in a heat conduction mode, and the heat conduction bottom plate is detachably arranged on the heat conduction layer plate and is in heat conduction contact with the heat conduction layer plate.
2. A solid contact heat transfer toasting device as claimed in claim 1, wherein: the vacuum drying module is communicated with the inner cavity to perform vacuum drying treatment on the articles to be baked.
3. A solid contact heat transfer toasting device as claimed in claim 2, wherein: the vacuum drying module comprises a vacuumizing component and an inert gas output component, wherein the vacuumizing component is communicated with the inner cavity so as to be capable of extracting air of the inner cavity; the inert gas output member communicates with the interior chamber to enable filling of the interior chamber with inert gas.
4. A solid contact heat transfer toasting device as claimed in claim 1, wherein: the height adjusting component comprises a positioning seat, a bolt hole group and a positioning pin, wherein the bolt hole group comprises a plurality of bolt holes which are sequentially distributed from top to bottom, the bolt hole group is arranged on a positioning clamp, the positioning pin is arranged on the positioning seat, and the positioning seat can be contacted with an object to be baked to drive the object to be baked to move.
5. A solid contact heat transfer toasting device as claimed in claim 1, wherein: the locking component is arranged on the heat-conducting laminate and can be pressed against the heat-conducting bottom plate so that the heat-conducting bottom plate is clung to and fixed on the heat-conducting laminate.
6. A solid contact heat transfer toasting device as claimed in claim 5, wherein: at least one storage groove is formed in the heat conducting layer plate, and the heat conducting bottom plate can be arranged on the storage groove.
7. A solid contact heat transfer toasting device as claimed in claim 1, wherein: the temperature detection component is used for detecting the temperature of the heat-conducting laminate and feeding back and adjusting the operation of the temperature control module.
CN201910091212.8A 2019-01-30 2019-01-30 Baking device for solid contact heat transfer Active CN109682184B (en)

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Application Number Priority Date Filing Date Title
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CN109682184B true CN109682184B (en) 2023-12-29

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CN112556400A (en) * 2020-12-04 2021-03-26 湖北亿纬动力有限公司 Baking clamp and baking method for square battery
CN114453220B (en) * 2022-03-07 2022-11-15 佛山市涂一机电设备有限公司 Powder coating drying device and drying method
CN115200329B (en) * 2022-07-22 2023-05-26 河南鼎能电子科技有限公司 Oil heating battery vacuum drying furnace and vacuum drying method thereof
CN115682660B (en) * 2022-09-29 2023-05-30 胜利油田华海石化有限责任公司 Refrigeration accessory drying device capable of avoiding high-temperature overload

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CN102169839A (en) * 2010-12-01 2011-08-31 烟台睿创微纳技术有限公司 Method for packaging preforming sheet by using Au-Sn solder and metal heating disk
CN103245187A (en) * 2012-02-02 2013-08-14 江苏乾丰新能源科技有限公司 Efficient heat transfer interlayer drying cylinder
DE102012222154A1 (en) * 2012-12-04 2014-06-05 BSH Bosch und Siemens Hausgeräte GmbH Core temperature sensor for cooking and temperature measuring system of cooking appliance, has sensing tube with sensor, where sensor is impedance sensor, which has electrically conductive contact surfaces
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