CN113007970A - Oil heating type battery vacuum baking equipment and baking method - Google Patents
Oil heating type battery vacuum baking equipment and baking method Download PDFInfo
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- CN113007970A CN113007970A CN202110194614.8A CN202110194614A CN113007970A CN 113007970 A CN113007970 A CN 113007970A CN 202110194614 A CN202110194614 A CN 202110194614A CN 113007970 A CN113007970 A CN 113007970A
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- 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
- F26B5/042—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 for drying articles or discrete batches of material in a continuous or semi-continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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- 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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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- 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
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- 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
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- 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
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The application relates to the field of power batteries, in particular to oil heating type battery vacuum baking equipment and a baking method. The key points of the technical scheme are as follows: comprises a frame, a vacuum device, a heat conduction device and a hot oil supply device; the rack is provided with a plurality of vacuum cavities, the vacuum devices are arranged on the rack and are respectively communicated with the vacuum cavities, and the vacuum devices are used for sucking air in the vacuum cavities; the heat conduction devices are arranged on the rack and are respectively and correspondingly accommodated in the vacuum cavities, the heat conduction devices are used for placing batteries and conducting heat, and the heat conduction devices are provided with heat conduction channels which are uniformly arranged; hot oil feeding device sets up in the frame, hot oil feeding device communicates with a plurality of heat-transfer device respectively, and hot oil feeding device is used for driving hot oil and flows through heat conduction channel, and this application has the effect of the stoving effect of promotion battery.
Description
Technical Field
The application relates to the field of power batteries, in particular to oil heating type battery vacuum baking equipment and a baking method.
Background
Along with the promotion of environmental protection consciousness, new energy batteries obtain extensive popularization in fields such as new energy automobile and mobile device, wherein, electrode material such as lithium cell negative pole and super capacitor electrode that new energy batteries used all utilizes the porous adsorption characteristic of carbon material and super large specific surface to carry out work, here, moisture gas and impurity are held easily in the hole in the electrode, moisture gas and impurity can influence the performance index of battery, consequently need carry out drying process in the in-process to lithium cell production.
At present, in the related art, chinese patent document with patent publication No. CN204154060U discloses a baking device for lithium ion battery, which is mainly characterized by including a lithium ion battery cell and a baking oven, a heating device is disposed in the baking oven, a battery cell rack, a vacuum device, an air flow device, a dehumidifying device and an air blower, the vacuum device is connected to the baking oven through a vacuum tube, the vacuum device is used for extracting air in the baking oven, the air flow device is connected to the baking oven through an air inlet tube, the air flow device is used for generating hot air flow, the air blower is respectively connected to the dehumidifying device and the baking oven through a blast tube and an air outlet tube, the dehumidifying device is used for dehumidifying the hot air flow, and the hot air flow circulates in the baking oven through hot air input in the baking oven, so as to bake and dry the battery.
To the correlation technique among the above-mentioned, in the in-process of toasting the heating to the battery, the air current need sweep the battery when flowing, nevertheless the battery that is close to the air current upper reaches stops the air, and then influences the velocity of flow of the battery of air current lower reaches and then causes the influence to drying efficiency, has the inhomogeneous phenomenon of stoving effect, and the stoving effect of equipment still has great improvement space.
Disclosure of Invention
In order to improve the baking effect of the battery, the application provides oil heating type battery vacuum baking equipment and a baking method.
In a first aspect, the present application provides an oil heating type battery vacuum baking apparatus, which adopts the following technical scheme:
an oil heating type battery vacuum baking device comprises a frame, a vacuum device, a heat conduction device and a hot oil supply device; the rack is provided with a plurality of vacuum cavities, the vacuum devices are arranged on the rack and are respectively communicated with the vacuum cavities, and the vacuum devices are used for sucking air in the vacuum cavities; the heat conduction devices are arranged on the rack and are respectively and correspondingly accommodated in the vacuum chambers, the heat conduction devices are used for placing batteries and conducting heat, and the heat conduction devices are provided with heat conduction channels which are uniformly arranged; the hot oil supply device is arranged on the rack, is respectively communicated with the plurality of heat conduction devices, and is used for driving hot oil to flow through the heat conduction channels.
Through adopting above-mentioned technical scheme, in the in-process of toasting the drying to the battery, at first close the furnace gate, start vacuum apparatus, but make vacuum chamber vacuum setting, at this moment, the battery of putting to heat-transfer device is in the vacuum state, and simultaneously, hot oil supply device drive hot oil flow through heat-transfer device's heat conduction passageway, hot oil in the heat conduction passageway evenly transmits the heat to heat-transfer device department, and then carry out the even contact heat conduction to the battery of putting to heat-transfer device, the battery is heated evenly, the efficiency of toasting of battery promotes, and a plurality of vacuum cavity can hold a plurality of heat-transfer device, can increase the holding capacity of battery quantity, it can toast the drying simultaneously to make more batteries, the efficiency of toasting of battery obtains further improvement, the toasting effect of battery is high-efficient and showing.
Preferably, the hot oil supply device comprises an inner container oil tank, a heating element, an outer tank and an oil pump; the inner container oil tank is sleeved in the outer box, and a heat insulation cavity is formed between the inner container oil tank and the outer box; the heating element is arranged in the liner oil tank and used for heating oil; the liner oil tank is provided with an oil inlet and an oil outlet, the oil inlet end of the oil pump is communicated with the oil outlet, the oil outlet end of the oil pump is communicated with one end of the heat conduction channel, and the other end of the heat conduction channel is communicated with the oil inlet.
Through adopting above-mentioned technical scheme, the inner bag oil tank can concentrate hot oil and hold, under the effect of heating member, the hot oil that is located the inner bag oil tank can realize rapid heating up heating, and simultaneously, under the effect of oil pump, hot oil can flow to the heat conduction passageway in from the oil-out, hot oil can flow back to the inner bag oil tank in along with the effect that can be at the oil inlet down, realize hot oil circulation, the heat transportation is stable and high-efficient, and simultaneously, the heat of inner bag oil tank department can be kept apart to the thermal-insulated chamber, and then reduce calorific loss's speed, play heat retaining effect, reduce the use energy consumption of heating member, and then play energy-conserving effect.
Preferably, the heat conducting device comprises a heat conducting metal plate and a heat conducting metal tube; the heat-conducting metal plate is fixedly connected to the rack, and a snake-shaped mounting groove is formed in the heat-conducting metal plate; the heat-conducting metal pipe is arranged in the snake-shaped mounting groove in a snake-shaped accommodating mode, a heat-conducting channel is formed in the heat-conducting metal pipe, and two ends of the heat-conducting metal pipe are connected with the hot oil supply device respectively.
Through adopting above-mentioned technical scheme, the coefficient of heat conductivity of heat conduction tubular metal resonator and heat conduction metal sheet is higher, through leading into hot oil in the heat conduction tubular metal resonator, hot oil can distribute to heat conduction metal sheet department via the heat conduction tubular metal resonator, wherein, snakelike heat conduction tubular metal resonator of establishing can prolong the flow path of hot oil, and then the homogeneity when optimizing the heat and distributing, heat homogeneous transfer this moment is to heat conduction metal sheet department, the heat is from heat conduction metal sheet homogeneous transfer to putting the work piece department on the heat conduction metal sheet immediately, and then realize the thermally equivalent of work piece, it is showing and high-efficient to toast the effect.
Preferably, the heat conducting device further comprises a first heat insulating layer, and the first heat insulating layer is arranged on the heat conducting metal plate in a cladding mode.
Through adopting above-mentioned technical scheme, first heat preservation plays and carries out heat retaining effect to heat-conducting device, reduces the heat and gives off to frame department from heat conduction metal sheet, and then reduces calorific loss, practices thrift the power consumption.
Preferably, the hot oil supply device further comprises a second insulating layer, the second insulating layer is located between the inner container oil tank and the outer container, and the second insulating layer is filled in the insulating cavity.
Through adopting above-mentioned technical scheme, the second heat preservation plays the effect that promotes the heat preservation performance of inner bag oil tank, and the structure is practical.
Preferably, the frame is provided with a plurality of through ports correspondingly communicated with the vacuum chambers; the utility model discloses a sealing device of a furnace door, including frame, door, first magnetism, and first magnetism, swing joint has a plurality of to correspond and rotates the furnace door that the lid closed a plurality of through-hole in the frame, be provided with first magnetism on the furnace door and inhale the piece, be provided with the second magnetism in the frame and inhale the piece, be provided with the sealing strip on the furnace door, first magnetism inhale the piece and the mutual magnetism of second magnetism is inhaled the cooperation, works as first magnetism inhale the piece and the second magnetism is inhaled when the piece is inhaled each other, the sealing strip.
Through adopting above-mentioned technical scheme, the furnace gate can correspond a plurality of vacuum cavity and open and close control so that form airtight vacuum operational environment in the vacuum cavity, and then be convenient for get the battery that is located the vacuum cavity and put, the laminating in-service use requirement, and inhale under the mutual actuation of piece at first magnetism and second magnetism, the mutual actuation of furnace gate and frame is consolidated, stability when the closed frame of furnace gate obtains promoting, and simultaneously, the sealing strip can promote the leakproofness between furnace gate and the frame, and then make the leakproofness of equipment during operation obtain promoting.
In a second aspect, the present application provides a method for vacuum baking an oil-heated battery, which adopts the following technical scheme:
an oil heating type battery vacuum baking method comprises the following steps
S1: opening the furnace door, placing the battery in the vacuum cavity by using a clamp and placing the battery on the heat conducting device;
s2: debugging a hot oil supply device to heat hot oil;
s3: starting an oil pump to circulate hot oil in the heat conducting channel;
s4: closing the furnace door, and preheating the battery for a period of time;
s5: starting a vacuum device and pumping out gas in a vacuum cavity;
s6: waiting for the battery to be heated until the battery is baked;
s7: and closing the oil pump, opening the furnace door and taking the battery out of the vacuum cavity.
Through adopting above-mentioned technical scheme, the battery preheats at first, can be with the evaporation of water in the battery to the vacuum chamber in, at the evacuation in-process immediately, steam is taken out from the vacuum chamber, and the vacuum chamber is realized dryly, and the effect of toasting of battery realizes promoting, and operation process convenient and fast just is easily understood.
Preferably, in step S2, the heating elements are activated, and the oil temperature is raised to 90 to 130 degrees after 20 to 30 min.
By adopting the technical scheme, the heating process is rapid and quick, the oil temperature is durable in heat resistance, the heating times of the heat-conducting medium is reduced, and energy and electricity are saved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hot oil supply device drives the hot oil to flow through the heat conduction channel of the heat conduction device, so that the hot oil in the heat conduction channel uniformly transfers heat to the heat conduction device, and then the batteries placed on the heat conduction device are uniformly contacted and conducted with heat, the heat transfer is rapid, the batteries are uniformly heated, the baking efficiency of the batteries is improved, meanwhile, a plurality of vacuums can accommodate a plurality of heat conduction devices, the accommodation capacity of the number of the batteries can be increased, more batteries can be baked and dried simultaneously, the baking efficiency of the batteries is further improved, and the baking effect of the batteries is efficient and remarkable;
2. under the action of the heating element, the heating temperature of hot oil is rapidly increased, so that the medium heating time is reduced, the heating efficiency is high, the energy consumption is low, meanwhile, the heat insulation cavity and the first heat insulation layer can respectively insulate the heat at the inner container oil tank, so that the heat loss rate is reduced, the heat insulation effect is achieved, the oil temperature is durable in heat resistance, the starting frequency of the heating element is reduced, and the energy-saving effect is remarkable;
3. the piece is inhaled to first magnetism and the second magnetism is inhaled under the mutual actuation of piece, and under the sealing effect of sealing strip for the leakproofness of equipment during operation is better, and equipment job stabilization and high efficiency.
Drawings
FIG. 1 is a schematic view of the baking apparatus of the present application with the oven door removed.
FIG. 2 is a schematic view of the baking apparatus of the present application.
FIG. 3 is a schematic view of another embodiment of the baking apparatus of the present invention.
Fig. 4 is a schematic structural diagram of the oven door, the first magnetic member and the sealing strip according to the present application.
Fig. 5 is an enlarged view of a portion a in fig. 1.
Fig. 6 is a schematic structural diagram of the heat transfer device of the present application.
Fig. 7 is a schematic view showing the construction of the heat transfer device and the hot oil supply device according to the present invention.
Description of reference numerals:
1. a frame; 11. a vacuum chamber; 12. a through port; 13. a second magnetic attraction member;
2. a vacuum device;
3. a heat conducting device; 31. a heat conductive metal plate; 311. a snake-shaped mounting groove; 32. a heat conductive metal tube; 33. a first insulating layer;
4. a hot oil supply; 41. an inner container oil tank; 411. an oil inlet; 412. an oil outlet; 42. a heating member; 43. an outer box; 44. an oil pump; 45. a second insulating layer;
5. a furnace door; 51. a door panel; 511. a first magnetic attraction member; 512. a sealing strip; 52. a rotating shaft.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses oil heating type battery vacuum baking equipment. Referring to fig. 1 and 2, the toasting apparatus includes a frame 1, a vacuum device 2, a heat transfer device 3, and a hot oil supply device 4. The frame 1 is used for supporting and installing the vacuum device 2, the heat conduction device 3 and the hot oil supply device 4, the heat conduction device 3 is arranged in the frame 1, the heat conduction device 3 is used for placing batteries and accommodating the batteries, and meanwhile, the vacuum device 2 can vacuumize the interior of the frame 1 to enable the batteries to be accommodated in a vacuum environment; in addition, the heat conduction device 3 is connected with the hot oil supply device 4, hot oil can flow into the heat conduction device 3 at the position of the hot oil supply device 4 in a circulating mode, the heat conduction device 3 is abutted against the battery, and the heat conduction device 3 can transfer heat into the battery in a contact heat dissipation mode to bake the battery.
Specifically, in this embodiment, the frame 1 is disposed in a chassis shape, a plurality of vacuum chambers 11 are disposed on the frame 1, and the plurality of vacuum chambers 11 are sequentially disposed at intervals from top to bottom, where the specific number of the vacuum chambers 11 may be correspondingly set according to actual needs, for example, two, five, or ten, and the specific number of the vacuum chambers 11 is not limited herein, and in this embodiment, the number of the vacuum chambers 11 is four for example. Meanwhile, a plurality of through ports 12 which are correspondingly communicated with a plurality of vacuum chambers 11 are formed in the rack 1, the number of the through ports 12 is consistent with the number of the through ports 11, namely, in the embodiment, the number of the through ports 12 is four, the through ports 12 are opened at the side wall of one side of the rack 1, and the four through ports 12 are respectively communicated with the four vacuum chambers 11 in a one-to-one manner, at the moment, the heat conduction devices 3 can be contained and placed in the vacuum chambers 11, the number of the heat conduction devices 3 is consistent with the number of the through chambers 11, and the heat conduction devices 3 are contained in the vacuum chambers 11 in a one-to-one manner, so that a plurality of independent stable working spaces are formed.
Referring to fig. 3, in order to accommodate the workpiece in the vacuum environment, the vacuum apparatus 2 mainly includes a vacuum pump, a vacuum tube and other components, where the vacuum pump is fixedly installed on the outer wall of the frame 1, the specific installation position of the vacuum pump can be adjusted according to actual needs, and the specific installation position of the vacuum pump is not limited herein; the vacuum tube is selected as a hose, penetrates through the rack 1 and is fixedly installed on the rack 1, one end of the vacuum tube extends into the vacuum cavity 11 and is communicated with the vacuum cavity 11, in addition, the other end of the vacuum tube is connected with the vacuum pump, the vacuum tube conducts the vacuum pump and the vacuum cavity 11, air in the vacuum cavity 11 leaves the vacuum box under the suction effect of the vacuum pump by starting the vacuum pump, and vacuum is formed in the vacuum cavity 11, so that a battery can be accommodated in the vacuum cavity 11 in a vacuum state.
Referring to fig. 3 and 4, in order to improve the stability and convenience of the operation of the equipment, the rack 1 is movably connected with oven doors 5, the number of the oven doors 5 is consistent with the number of the through openings 12, that is, the number of the oven doors 5 is a plurality, in this embodiment, the number of the oven doors 5 is four, and four oven doors 5 are respectively adjacent to the through openings 12 in a one-to-one correspondence manner; generally, the oven door 5 is rotatably connected to the frame 1, and the oven door 5 correspondingly rotatably covers a plurality of through openings 12, and when the oven door 5 covers the through openings 12, a stable closed environment is formed in the vacuum chamber 11.
Specifically, the oven door 5 includes a door panel 51 and a rotating shaft 52, the outer edge contour of the door panel 51 is matched with the opening contour of the passing opening 12, for example, in the present embodiment, the opening shape of the passing opening 12 is rectangular, the outer edge contour of the door panel 51 is rectangular, so as to be matched with the opening contour of the passing opening 12, and the area of the door panel 51 is larger than the area of the passing opening 12, at this time, the door panel 51 can cover the passing opening 12; in addition, the rotating shaft 52 is fixedly installed on the door panel 51, and generally, the rotating shaft 52 can be fixedly installed at one side edge of the door panel 51 by welding; the pivot 52 is adjacent with through-hole 12 and pivot 52 sets up along the horizontal direction, the bearing frame is installed respectively to the both sides of frame 1, two bearing frames are located same level, the both ends of pivot 52 rotate respectively and bear on two bearing frames, at this moment, furnace door 5 realizes rotating to be connected in frame 1, door plant 51 can rotate for through-hole 12 through pivot 52 and be close to and rotate and keep away from, when door plant 51 laminates in frame 1, furnace door 5 can close through-hole 12 lid, through-hole 12 is in the closed condition this moment.
Further, referring to fig. 4 and 5, in order to improve the stability of the door 5 when covering the rack 1, the door 5 is provided with a first magnetic attraction piece 511, the rack 1 is provided with a second magnetic attraction piece 13, both the first magnetic attraction piece 511 and the second magnetic attraction piece 13 can be selected from magnets, both the first magnetic attraction piece 511 and the second magnetic attraction piece 13 are arranged in a rectangular frame shape, the first magnetic attraction piece 511 is fixedly mounted on a side surface of the door 5 facing the rack 1, the second magnetic attraction piece 13 is fixedly mounted on a side surface of the rack 1 facing the door 5, when the door 5 is in a state of being attached to the rack 1, the first magnetic attraction piece 511 and the second magnetic attraction piece 13 are in magnetic attraction fit with each other, and the stability of the door 5 when being closed is improved; meanwhile, the oven door 5 is further provided with a sealing strip 512, wherein the sealing strip 512 is a rubber strip, the sealing strip 512 is arranged in a rectangular frame shape, the sealing strip 512 is fixedly mounted on the oven door 5 in a glue bonding mode, when the first magnetic suction piece 511 and the second magnetic suction piece 13 are mutually sucked, the sealing strip 512 is abutted against the rack 1, the sealing strip 512 can improve the sealing performance between the oven door 5 and the rack 1, and further the sealing performance of the equipment during working is improved.
It should be noted that, in order to improve the degree of automation when the furnace door 5 is opened and closed rotationally, a cylinder may be installed on the frame 1, and the cylinder is located in the vacuum cavity 11, wherein one end of the cylinder, which is far away from the telescopic rod, is rotatably supported on the frame 1 through a pin shaft, and the telescopic rod of the cylinder is rotatably connected with one end of the door panel 51, which is far away from the rotating shaft 52, through starting the cylinder, the door panel 51 can be rotated, and the cylinder can be electrically connected with a single chip microcomputer, so as to realize the automatic opening and closing control of the furnace door. In addition, in order to improve the stability of the door 5 when opening, a plurality of air cylinders, for example, two air cylinders may be installed, and the two air cylinders are respectively located at two sides of the door panel 51, so as to reduce the possibility of unbalance loading generated when the door panel 51 is opened, and the door 5 is stably opened. In addition, the air cylinder can be correspondingly installed in different vacuum cavities 11 and is connected with different door plates 51, so that the effect of independently opening and closing different furnace doors 5 is realized, a plurality of independent working spaces can be conveniently taken and placed for use, and the use is flexible and convenient.
Referring to fig. 6, to implement contact baking on the workpiece, specifically, the heat conducting device 3 includes a heat conducting metal plate 31, a heat conducting metal tube 32, and a first heat insulating layer 33; wherein, first heat preservation 33 chooses for use for rock wool heat preservation in this embodiment, still can be for the sponge heat preservation simultaneously, in this embodiment, first heat preservation 33 is platelike setting, and first heat preservation 33 fills up the diapire department of establishing to the inside of frame 1, and wherein, mode and frame 1 reciprocal anchorage that first heat preservation 33 accessible glue bonded, first heat preservation 33 realizes the installation here, and simultaneously, the upper surface department of first heat preservation 33 is provided with the holding tank that is used for cladding heat conduction metal sheet 31 from outside-in sunken.
In addition, heat conduction metal sheet 31 is the aluminum plate material, in heat conduction metal sheet 31 embedding holding tank, heat conduction metal sheet 31 can paste fixedly mutually with first heat preservation 33 through the mode that glue bonded, at this moment, the cladding of first heat preservation 33 sets up on heat conduction metal sheet 31, and heat conduction metal sheet 31 is through first heat preservation 33 fixed connection in frame 1, first heat preservation 33 can play and carry out heat retaining and thermal-insulated effect to heat conduction metal sheet 31, the work piece can be here array row cloth form and put to heat conduction metal sheet 31 on.
In addition, the upper surface of the heat conducting metal plate 31 is concavely provided with a serpentine mounting groove 311 from outside to inside, the serpentine mounting groove 311 extends from one side of the heat conducting metal plate 31 to the other side of the heat conducting metal plate 31, and at this time, the serpentine mounting grooves 311 are uniformly distributed on the heat conducting metal plate 31; wherein, the heat conducting metal tube 32 is a metal tube with better heat conducting property, such as an aluminum tube or a copper tube, etc., the contour shape of the heat conducting metal tube 32 is matched with the contour shape of the snake-shaped mounting groove 311, that is, the heat conducting metal tube 32 is arranged in the snake-shaped mounting groove 311, the surface of the heat conducting metal tube 32 is attached to the groove wall of the snake-shaped mounting groove 311, generally, the heat conducting metal tube 32 can be fixedly connected with the heat conducting metal plate 31 by welding, the inside of the heat conducting metal tube 32 is defined as a heat conducting channel, at this time, the heat conducting channel is uniformly distributed on the heat conducting metal plate 31 along the winding shape of the heat conducting metal tube 32, the two ends of the heat conducting metal tube 32 are respectively connected with the hot oil supply device 4, the hot oil can enter from one end of the heat conducting metal tube 32 and flow out from the other end, during the process, the heat of the hot oil is uniformly transferred to the heat conducting metal plate 31 through the, the heat is evenly transmitted from the heat-conducting metal plate 31 to the workpiece placed on the heat-conducting metal plate 31, so that the workpiece is evenly heated, meanwhile, the first heat-insulating layer 33 plays a role in heat insulation of the heat-conducting metal plate 31, heat is reduced from being dissipated from the heat-conducting metal plate 31 to other parts, and heat loss is reduced.
It should be noted that, when the batteries are placed, the clamps may be correspondingly set in advance, the batteries are then mounted on the clamps, and then the clamps are placed on the heat-conducting metal plate 31, so that the batteries are in contact with the heat-conducting metal plate 31 to realize heat conduction, and the specific form of the clamps may be set correspondingly according to actual needs, which is not described herein again.
Referring to fig. 7, in order to introduce hot oil into the heat conducting metal pipe 32, specifically, the hot oil supply device 4 is disposed on the rack 1, wherein the hot oil supply device 4 includes an inner container oil tank 41, a heating element 42, an outer container 43, an oil pump 44, and a second insulating layer 45. The volume of the outer box 43 is larger than that of the inner container oil tank 41, the outer box 43 is placed on the rack 1, the rack 1 supports the outer box 43, a plurality of cushion blocks are fixedly installed at the bottom of the inner container oil tank 41, the inner container oil tank 41 is placed in the outer box 43, at the moment, the inner container oil tank 41 is sleeved in the outer box 43, and a heat insulation cavity is formed between the inner container oil tank 41 and the outer box 43; second heat preservation 45 can be the rock wool layer, and second heat preservation 45 is located between inner bag oil tank 41 and the outer container 43, and second heat preservation 45 fills and sets up in thermal-insulated intracavity, and second heat preservation 45 and thermal-insulated chamber play and carry out heat retaining effect to inner bag oil tank 41.
In addition, heating member 42 sets up in inner bag oil tank 41, and is concrete, and heating member 42 is the heating rod, with heating rod external power supply, can make the heating rod generate heat, emptys fluid this moment in inner bag oil tank 41, and heating member 42 heats fluid here, and simultaneously, inner bag oil tank 41 plays and carries out the effect of storing to hot oil, under the heat preservation effect in second heat preservation 45 and thermal-insulated chamber, the heat of hot oil is difficult for scattering and disappearing.
In addition, the liner oil tank 41 has an oil inlet 411 and an oil outlet 412, the oil inlet 411 is penetratingly disposed at a top position of a side wall of the liner oil tank 41, the oil outlet 412 is penetratingly disposed at a bottom position of the liner oil tank 41, an opening through which the oil of the oil pump 44 is introduced is defined as an oil inlet end, an opening through which the oil is discharged from the oil pump 44 is defined as an oil outlet end, the oil inlet end of the oil pump 44 is communicated with the oil outlet 412, and the oil outlet end of the oil pump 44 is communicated with one end of the heat conduction channel, generally, an oil pipe may be fixedly installed between the oil pump 44 and the liner oil tank 41, and under the conduction action of the oil pipe, the oil in the liner oil tank 41 may flow out from the oil outlet 412 to.
Meanwhile, a soft oil pipe can be arranged between the oil pump 44 and one end of the heat conducting metal pipe 32, and further, the soft oil pipe can be wrapped and insulated by using a heat insulating material so as to reduce the heat loss of the hot oil in the transportation process; under the action of the soft oil pipe, the oil pump 44 and the heat-conducting metal pipe 32 are communicated with each other, so that the hot oil flowing out from the oil outlet 412 of the oil pump 44 can flow into the heat-conducting channel of the heat-conducting metal pipe 32, and the heat of the hot oil is diffused at the heat-conducting metal pipe 32.
Meanwhile, hot oil flows out from the other end of the heat conduction channel, at the moment, a soft oil pipe is fixedly installed between the other end of the heat conduction metal pipe 32 and the inner container oil tank 41, the soft oil pipe enables the other end of the heat conduction channel to be communicated with the oil inlet 411, here, the hot oil in the heat conduction metal pipe 32 can flow back into the inner container oil tank 41 from the oil inlet 411, the circulation flow of the oil is achieved, and then heating is achieved.
It should be noted that, in order to realize the heating control of the plurality of heat conduction devices 3, the soft oil pipe may be configured to be composed of a main pipe and a plurality of sections of branch pipes, and the branch pipes are connected and communicated with the main pipe; the main pipeline of the soft oil pipe between the oil pump 44 and the heat conduction device 3 is communicated with the oil pump 44, and in addition, a plurality of sections of branch pipelines are respectively connected and communicated with a plurality of heat conduction metal pipes 32 in a one-to-one correspondence manner, so that hot oil is input into the plurality of heat conduction metal pipes 32; in addition, a main pipeline in the soft oil pipe between the heat-conducting metal pipe 32 and the inner container oil tank 41 is connected with the inner container oil tank 41 and is communicated with the oil inlet 411, a plurality of sections of branch pipelines are respectively connected and communicated with the plurality of heat-conducting metal pipes 32 in a one-to-one correspondence manner, hot oil in the plurality of heat-conducting metal pipes 32 can converge to the main pipeline through the branch pipelines, and flows from the main pipeline to the oil inlet 411 to realize oil inlet.
The liner oil tank 41 can intensively contain hot oil, under the action of the heating element 42, the hot oil in the liner oil tank 41 is heated, meanwhile, under the action of the oil pump 44, the hot oil can flow out from the oil outlet 412 to the heat conduction channel, and the hot oil can flow back to the liner oil tank 41 under the action of the oil inlet 411 to realize hot oil circulation; meanwhile, the heat insulation cavity can insulate the heat at the inner container oil tank 41, so that the heat loss rate is reduced, the heat insulation effect is achieved, meanwhile, the use energy consumption of the heating element 42 is reduced, and the energy-saving effect is achieved.
The implementation principle of the oil heating type battery vacuum baking equipment in the embodiment of the application is as follows: starting a vacuum pump to enable the vacuum cavity 11 of the rack 1 to be in a vacuum state, and at the moment, enabling the battery placed on the heat conduction device 3 to be in a vacuum state; meanwhile, hot oil can be stored in the inner container oil tank 41 and can flow from the oil outlet 412 to the oil pump 44, the hot oil flows through the heat conduction channel of the heat conduction device 3 under the driving of the oil pump 44, in the process, the heat is uniformly transferred to the heat conduction metal plate 31 by the hot oil in the heat conduction channel, and then the batteries placed on the heat conduction device 3 are uniformly contacted and conducted with heat, the batteries are uniformly heated, and the baking efficiency of the batteries is improved; and a plurality of vacuum cavity 11 can hold a plurality of heat-transfer device 3, and then increase the holding capacity of battery quantity for more batteries can toast the drying simultaneously, and the efficiency of toasting of battery is further improved.
The embodiment of the application also discloses an oil heating type battery vacuum baking method, which comprises the following steps:
s1: opening the furnace door 5, placing the battery in the frame 1 and on the heat conducting device 3 by using a clamp;
s2: and (4) debugging the hot oil supply device 4 to heat the hot oil. The heating elements 42 can be heating rods with power of 7kw, 8kw and 9kw, respectively, the specific power of the heating elements 42 can be adjusted correspondingly according to actual needs, and no limitation is made on the specific power of the heating elements 42, wherein in the present embodiment, the heating power of the heating elements 42 is 8kw as an example, in addition, when the hot oil is heated, an inner container oil tank 41 with a volume of 60L can be used, in the process of heating the hot oil, the hot oil is added at the inner container oil tank 41, the heating elements 42 are immediately started, and after 20min to 30min of heating, the oil temperature of the hot oil can be increased from 26.5 ℃ to 90 ℃ and 130 ℃; here, assuming that the initial temperature of the oil is 26.5 degrees, the temperature of the hot oil may be raised to 90 degrees when the heating time is 20min, and may be raised to 130 degrees when the heating time is 30 min.
Experiments show that in the embodiment, after the heating is carried out for 25min, the temperature of the hot oil can be increased from 26.5 ℃ to 110 ℃, the heating is rapid, meanwhile, experiments show that the electric energy consumed when the temperature of the hot oil is increased from 26.5 ℃ to 110 ℃ within 25min is 3.4 ℃, then after the set temperature is reached, the heating elements 42 are started at intervals, the temperature is controlled, and at the moment, the electric energy consumed by the equipment is 1.5 ℃ per hour, so that the energy-saving effect is remarkable.
It should be noted that, an operator may also control the hot oil temperature greater than 130 degrees according to the magnitude of the required oil temperature, for example, the magnitude of the specific oil temperature may be changed by increasing the heating time, for example, if the heating time is 40min, the temperature of the hot oil may be raised to 130 degrees or more, no specific limitation is imposed on the temperature of the hot oil, and the raising of the temperature of the hot oil to 90 degrees to 130 degrees is only an exemplary scheme of this embodiment. Meanwhile, in order to meet the heating requirement of hot oil, the grade of the hot oil can be selected from mineral heat conduction oil with the grade of HD-320.
S3: the oil pump 44 is started to circulate hot oil in the heat conduction channel, in this process, the oil pump 44 correspondingly flows the hot oil flowing out from the oil outlet 412 of the liner oil tank 41 to the heat conduction metal pipe 32 through the soft oil pipe, the hot oil flows in from one end of the heat conduction metal pipe 32 and flows out from the other end, under the conduction action of the soft oil pipe, the hot oil flows back from the oil inlet 411 of the liner oil tank 41, so that the circulation flow of the hot oil in the heat conduction channel is realized, it should be noted that the specific length of the soft oil pipe can be taken into consideration of the temperature control of the hot oil, and an overlong soft oil pipe can emit part of heat in the flowing process, so that in order to meet the temperature of the heated oil, the temperature of the hot oil in the liner oil tank 41 can be properly increased by 1 to 20 degrees, so as to meet the heat emission of different hot oils in the.
S4: closing the furnace door 5, preheating the battery for a period of time, wherein the moisture in the battery can be driven by heat again to be increased into the air of the vacuum cavity 11, at the moment, the drying treatment of the battery is realized, the forming quality of the battery is improved, it needs to be explained that the preheating time can be specifically set correspondingly according to the size and general class of the battery, the preheating time of the equipment can be adjusted according to the experimental preheating time of the battery by a specific manufacturer, and the equipment can meet the requirements, and is not limited to the specific preheating time of the battery.
S5: the vacuum device 2 is started to pump out the gas in the vacuum cavity 11, more specifically, in the process, the vacuum pump is started, the vacuum pump pumps out the gas in the vacuum cavity 11 from the frame 1, so that the workpiece is in a vacuum state, meanwhile, the water vapor generated in the preheating process of the battery can be discharged out of the vacuum cavity 11 along with the air, and the drying in the vacuum cavity 11 is realized. It should be noted that, in order to maintain the vacuum degree in the vacuum chamber 11, a vacuum baffle valve may be additionally installed between the vacuum pump and the frame 1, and when the air in the vacuum chamber 11 is pumped away, the vacuum baffle valve is closed, so that the vacuum degree in the vacuum chamber 11 can be stably maintained at this time.
S6: and waiting for heating the battery until the battery baking is finished. It should be noted that, according to the size and type of the battery, the specific baking time of different types of batteries is different, and in the present application, the baking time of the device can be adjusted according to the test baking time of the battery by a specific manufacturer, and the device can meet the requirements, and is not limited to the specific baking time of the battery.
S7: the oil pump 44 is turned off, at which time a vacuum breaker valve can be added to the frame 1, the vacuum breaker valve is opened to flush air into the vacuum chamber 11 to break the vacuum, the door 5 is opened, and the battery is removed from the vacuum device 2 where it is baked.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an oil adds hot type battery vacuum baking equipment which characterized in that: comprises a frame (1), a vacuum device (2), a heat conduction device (3) and a hot oil supply device (4);
the rack (1) is provided with a plurality of vacuum cavities (11), the vacuum devices (2) are arranged on the rack (1), the number of the vacuum devices (2) is multiple, the vacuum devices (2) are respectively communicated with the vacuum cavities (11), and the vacuum devices (2) are used for sucking air in the vacuum cavities (11);
the heat conduction devices (3) are arranged on the rack (1) in a plurality of groups, the heat conduction devices (3) in the plurality of groups are respectively and correspondingly accommodated in the plurality of vacuum cavities (11), the heat conduction devices (3) are used for placing batteries and conducting heat, and the heat conduction devices (3) are provided with heat conduction channels which are uniformly arranged;
the hot oil supply device (4) is arranged on the rack (1), the hot oil supply device (4) is respectively communicated with the heat conduction devices (3), and the hot oil supply device (4) is used for driving hot oil to flow through the heat conduction channel.
2. The oil-heated battery vacuum baking apparatus according to claim 1, characterized in that: the hot oil supply device (4) comprises an inner container oil tank (41), a heating element (42), an outer box (43) and an oil pump (44);
the inner container oil tank (41) is sleeved in the outer box (43), and a heat insulation cavity is formed between the inner container oil tank (41) and the outer box (43);
the heating element (42) is arranged in the liner oil tank (41), and the heating element (42) is used for heating oil;
the liner oil tank (41) is provided with an oil inlet (411) and an oil outlet (412), the oil inlet end of the oil pump (44) is communicated with the oil outlet (412), the oil outlet end of the oil pump (44) is communicated with one end of the heat conduction channel, and the other end of the heat conduction channel is communicated with the oil inlet (411).
3. The oil-heated battery vacuum baking apparatus according to claim 1, characterized in that: the heat conduction device (3) comprises a heat conduction metal plate (31) and a heat conduction metal pipe (32); the heat-conducting metal plate (31) is fixedly connected to the rack (1), and a snake-shaped mounting groove (311) is formed in the heat-conducting metal plate (31); the heat-conducting metal pipe (32) is accommodated in the snake-shaped mounting groove (311) in a snake shape, a heat-conducting channel is formed in the heat-conducting metal pipe (32), and two ends of the heat-conducting metal pipe (32) are respectively connected with the hot oil supply device (4).
4. The oil-heated battery vacuum baking apparatus according to claim 3, characterized in that: the heat conduction device (3) further comprises a first heat preservation layer (33), and the first heat preservation layer (33) is arranged on the heat conduction metal plate (31) in a coated mode.
5. The oil-heated battery vacuum baking apparatus according to claim 2, characterized in that: the hot oil supply device (4) further comprises a second insulating layer (45), the second insulating layer (45) is located between the inner container oil tank (41) and the outer container (43), and the second insulating layer (45) is filled in the insulating cavity.
6. The oil-heated battery vacuum baking apparatus according to claim 1, characterized in that: a plurality of through openings (12) which are correspondingly communicated with the plurality of vacuum cavities (11) are formed in the frame (1); frame (1) is gone up swing joint and has a plurality of to correspond and rotate furnace door (5) that the lid closed a plurality of through-hole (12), be provided with first magnetism on furnace door (5) and inhale piece (511), be provided with second magnetism on frame (1) and inhale piece (13), be provided with sealing strip (512) on furnace door (5), first magnetism inhale piece (511) and the cooperation is inhaled to second magnetism each other magnetism of piece (13), works as first magnetism inhale piece (511) and when second magnetism inhales piece (13) and inhales each other, sealing strip (512) with frame (1) looks sealing butt.
7. The oil-heated battery vacuum baking method according to claim 1, characterized by comprising the steps of:
s1: opening the furnace door (5), placing the battery in the vacuum cavity (11) and on the heat conducting device (3) by using the clamp;
s2: debugging a hot oil supply device (4) to heat hot oil;
s3: starting an oil pump (44) to circulate hot oil in the heat conducting channel;
s4: closing the furnace door (5), and preheating the battery for a period of time;
s5: starting the vacuum device (2) and pumping out gas in the vacuum cavity (11);
s6: waiting for the battery to be heated until the battery is baked;
s7: the oil pump (44) is closed, the oven door (5) is opened, and the battery is taken out from the vacuum chamber (11).
8. The oil-heated battery vacuum baking method according to claim 7, characterized in that: in step S2, the heating element (42) is activated, and the oil temperature is raised to 90 to 130 degrees over 20 to 30 min.
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| CN202110194614.8A CN113007970A (en) | 2021-02-21 | 2021-02-21 | Oil heating type battery vacuum baking equipment and baking method |
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| CN202110194614.8A CN113007970A (en) | 2021-02-21 | 2021-02-21 | Oil heating type battery vacuum baking equipment and baking method |
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| CN113894023A (en) * | 2021-10-15 | 2022-01-07 | 山东润马光能科技有限公司 | Sealant accelerated curing device for solar cell module |
| CN115051020A (en) * | 2022-07-05 | 2022-09-13 | 中山市思格自动化科技有限公司 | Device for baking battery |
| CN115200329A (en) * | 2022-07-22 | 2022-10-18 | 河南鼎能电子科技有限公司 | Oil heating battery vacuum drying furnace and vacuum drying method thereof |
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Application publication date: 20210622 |