CN108870922A - A kind of multi-functional automatic vacuum oven for lithium battery - Google Patents
A kind of multi-functional automatic vacuum oven for lithium battery Download PDFInfo
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- CN108870922A CN108870922A CN201810465925.1A CN201810465925A CN108870922A CN 108870922 A CN108870922 A CN 108870922A CN 201810465925 A CN201810465925 A CN 201810465925A CN 108870922 A CN108870922 A CN 108870922A
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- vacuum
- heating
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- oven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
-
- 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
- F26B25/10—Floors, roofs, or bottoms; False bottoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of multi-functional automatic vacuum ovens for lithium battery, including oven lagging casing, heating in vacuum inner cavity, vacuum pump discharges system, automatic heating control system and self-turning mechanism；Heating in vacuum inner cavity includes lumenal body, and the inner wall of lumenal body is equipped with rotary drive motor, and live spindle is socketed between rotary drive motor, rotatable cooking frame is socketed in live spindle；Heating in vacuum is inlaid with vacuum seal valve at the top of inner cavity；Automatic heating control system includes microwave magnetron and voltage changer, and the control terminal of voltage changer is connected with self-adjustment module, is connected with power governor between the signal output end of self-adjustment module and the power control end of microwave magnetron；The present invention has the function of microwave heating drying, and has vacuum protection environment, the injury to lithium battery itself is greatly reduced while effectively improving drying efficiency, and drying unit is dismantled and moved in which can be convenient, and flexibility is high.
Description
Technical field
The present invention relates to oven device field, specially a kind of multi-functional automatic vacuum oven for lithium battery.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of,.Due to
The chemical characteristic of lithium metal is very active, so that the processing of lithium metal, preservation, use, very high to environmental requirement.So lithium
Battery is not applied for a long time.With the development of science and technology, present lithium battery has become mainstream.
Lithium battery is broadly divided into two classes：Lithium metal battery and lithium ion battery.Lithium ion battery is without containing metallic state
Lithium, and can charge.5th generation product lithium metal battery of rechargeable battery was born in 1996, safety, ratio
Capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Since the high-tech of its own requires limitation, now only
The company of a few countries is producing this lithium metal battery.
The operating voltage of lithium ion battery can be up to 4.2V, therefore its electrolyte can only use organic system, usually adopt
Lithium salts is usually lithium hexafluoro phosphate, so that entire lithium ion battery production process is very sensitive to moisture, therefore dry
Between be lithium ion battery, especially essential to the lithium ion battery producer of large-scale production.
Since lithium battery electrolytes are free from the organic matter of hydrone, the presence of water has high risks to battery, can cause
Battery-heating and explosion, therefore have to before battery liquid-filling and sealing by vacuum bakeout, this is necessarily, it is therefore an objective to be removed
Water, and under vacuum conditions, the boiling point of water significantly reduces under negative pressure, the theoretical boiling point in -0.089Mpa down to 45 DEG C, this
Obviously it is conducive to water removal after and is unlikely to influence the quality of lithium battery itself.
For example, application publication number is 107655290A, a kind of lithium battery fast-drying device that patent name is, the invention
It include drying box, fixed frame etc.；Drying box roof rotary type is connected with covering, covers top left side and is provided with knob, dries
Rotating device is provided on the right side of case inner top, left side is provided with apparatus for placing in drying box, and apparatus for placing is connect with rotating device,
Bottom left is provided with fixed frame in drying box, is provided with heating plate at the top of fixed frame.Although the invention has reached drying efficiency
High and time saving and energy saving effect is cooperated using apparatus for placing, rotating device and heating plate, is realized and is dried to the movable type of lithium battery
It is dry, good drying effect, while assisting air-drying using air-drying device, make drying comprehensively, and then improve drying efficiency.The invention can be with
Although realizing the drying operation to lithium battery, which is had the following defects：
(1) although the moving in rotation drying operation to lithium battery may be implemented in the invention, but the device is being rotated
When speed control it is inconvenient, and the number of stoving rack can not be adjusted in real time according to actual needs；
(2) although the invention is provided with heating plate and auxiliary air drying system, but due in hot-air seasoning and heating, drying
During can all generate high temperature, once and the excessively high self performance that will seriously affect lithium battery of temperature, cause in lithium battery
Portion's electrolyte generates chemical reaction and generates bulge phenomenon, and battery is caused to be scrapped.
Summary of the invention
In order to overcome the shortcomings of prior art, it is roasting that the present invention provides a kind of multi-functional automatic vacuum for lithium battery
Case can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of multi-functional automatic vacuum oven for lithium battery, including outer for realizing the oven heat preservation installed and kept the temperature
Shell and the heating in vacuum inner cavity being embedded in inside oven lagging casing are equipped at the top of the heating in vacuum inner cavity and are used to form
The vacuum pump discharges system of vacuum environment is equipped with the automatic heating for being heated on the surrounding inner wall of heating in vacuum inner cavity
Control system, the bottom of the oven lagging casing are also equipped with the self-turning mechanism for being moved easily；
The oven lagging casing include outer surface do spray painting processing SECC steel plate made of integrated casing ontology and
Automatic seal door, the inner surface of the integrated casing ontology are described filled with heat insulation layer made of one layer of heat preservation foam
Pad is gone back between heat insulation layer and heating in vacuum inner cavity one layer of resistance for preventing the excessively high nature of temperature and preventing electric leakage
Fire insulating layer；
The heating in vacuum inner cavity includes lumenal body made of the SUS stainless steel plate of corrosion-resistant and high-temperature resistant, the inner cavity
The left and right sides inner wall corresponding position of ontology is horizontally installed with the rotary drive motor for carrying out rotation driving at equal intervals, described
It is socketed with horizontal positioned live spindle between the output shaft of rotary drive motor, is socketed on the outer surface of the live spindle
Rotatable cooking frame for fixed placement lithium battery；Be inlaid at the top of the heating in vacuum inner cavity for vacuum pump discharges system
The vacuum seal valve that system is connected；
The vacuum pump discharges system includes the vacuum pump being fixedly mounted at the top of oven lagging casing, the vacuum
Threeway guide valve is connected between the bleeding point and vacuum seal valve of aspiration pump, the side branch of the threeway guide valve is by leading
Pipe is connected with the nitrogen stream meter for measuring input protective gas nitrogen, and the nitrogen stream meter is set for external nitrogen storage
It is standby；
The automatic heating control system includes the microwave magnetron for being embedded in heating in vacuum inner cavity side and bottom, institute
The power end for stating microwave magnetron is connected with voltage changer for being powered, the control terminal connection of the voltage changer
There are the self-adjustment module for carrying out automated power detection, the signal output end and microwave magnetron of the self-adjustment module
Power control end between be connected with power governor.
Further, it is connected by hinge between the automatic seal door and integrated casing ontology, and in automatic-sealed
The door other side is equipped with automatic open door device, and each junction of automatic seal door and integrated casing ontology is inlaid with for mentioning
The rubber seal of high sealing performance.
Further, the automatic open door device includes the two-way hydraulic cylinder for open and close driving, described double
It is embedded in inside automatic seal door to hydraulic cylinder, the telescopic shaft top of two-way hydraulic cylinder is socketed with the song for moving up and down
Handle connecting rod, the front end of the crank connecting link are connected with reset spring, and the outer surface of the reset spring is enclosed with two-way ball valve.
Further, it is inlaid at integrated casing ontology inside wall edge corresponding with automatic open door device and vertically leads
Rail is connected with sliding adjustment block in the vertical guide, and the outer surface of the sliding adjustment block, which is dug, to be had and two-way ball valve kissing
The Fixed latches slot of conjunction.
Further, the rotatable cooking frame includes both ends swivel base disposed in parallel, and the swivel base interleaves
It is connected to two layers of fixation inserted link being parallel to each other, there are six fixed every layer of the inserted links, is vertically inlaid between upper layer and lower layer inserted link
Fixed baffle for fixed clamping battery.
Further, it is equipped at the bleeding point of the vacuum seal valve and contains for detecting the vapor in current inner wall
The humidity sensor of amount and vacuum environment detector for detecting current vacuum environment, the humidity sensor and vacuum environment
The output signal of detector is transmitted to the control terminal of vacuum pump.
Further, the voltage changer includes the H.V. step up transformer being made of in series and parallel three-level transformer, high
The secondary end of pressure step-up transformer is connected with the peak absorbance circuit being made of high-voltage capacitor and high-voltage diode, the high pressure
The over-voltage and over-current protector for carrying out circuit protection is also connected between step-up transformer and external power supply end.
Further, the self-adjustment module includes the embedded microcontroller for carrying out automatically controlling, described embedding
The GPIO input terminal for entering the controller that declines is connected with power sensor for detecting current microwave magnetron operating power size,
The power sensor connects analog-digital converter with current sensor by voltage sensor and forms.
Further, the self-turning mechanism includes the rotary drive motor for carrying out hoofing part, the rotation
Driving motor is fixed on the lower surface of oven lagging casing, the output shaft of the rotary drive motor by motor fixing seat back-off
On be socketed with centre rotational axis, be socketed with rotary support tray on the centre rotational axis.
Further, the rotary support tray is made of high-strength stainless steel cored slab, under the rotary support tray
Surface is inlayed at equal intervals there are three universal wheel is rotated, and the wheel shaft of the rotation universal wheel, which is worn, to be connect in the lower surface of rotary support tray
Portion, and three rotary support trays form stable triangular structure.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention forms a stabilization in conjunction with heating in vacuum inner cavity by setting oven insulation cladding as insulation construction
Sealed environment, be convenient for vacuum and heating drying operation, by be arranged automatic seal door, using automatic open door device as switch gate
Driving source, drive mechanism is formed with two-way hydraulic cylinder and crank connecting link, two-way ball valve is driven vertically to lead with adjustment block is slided
It is moved up and down in rail, and then realizes that the opening and closing to chamber door operate；It can effectively be opened in door by the way that reset spring is arranged
It opens or is buffered when closing, so that open and close process is more steady, prevent badge plug or unexpected open and close
Influence device operation；
(2) present invention drives live spindle rotation by the way that rotary drive motor is arranged in lumenal body, to drive whole
A rotatable cooking frame is rotated, and is realized rotatable cooking operation, is improved air passage rates, accelerates drying efficiency；Pass through setting
Vacuum pump is evacuated to form vacuum environment, and is carried out in fact by humidity sensor and vacuum environment detector to inner cavity environment
When monitor, to control being turned on or off for vacuum seal valve, guarantee the environment of perfect vacuum and steam be discharged in time, prevent
Vapor condenses again；And protective gas nitrogen is introduced by the nitrogen stream meter on threeway guide valve, effectively prevent drying
Chemical reaction, which occurs, for the electrolyte during dry run in lithium battery influences product quality；
(3) present invention realizes microwave heating drying operation by setting microwave magnetron, can be with while saving electric energy
Drying heating operation only is carried out to hydrone, is had an impact without the metal-back to lithium battery, to guarantee battery quality；Pass through
Over-voltage and over-current protector is set in voltage changer, real-time guard is carried out to circuit, prevents over-voltage and over-current fault, pass through
Setting peak absorbance circuit effectively prevent electric current to flow backward, and guarantees the work safety of microwave magnetron；Mould is automatically adjusted by setting
Block carries out power detection using power sensor, forms one in conjunction with embedded microcontroller and power governor and stable closes
The anti-system of ring is realized and is adjusted to the closed loop feedback that microwave magnetron works, improves to temperature controlled adjustment accuracy.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is external structure schematic diagram of the present invention；
Fig. 3 is the structural schematic diagram of automatic open door device of the present invention；
Fig. 4 is the schematic diagram of automatic heating control system.
Figure label：
1- oven lagging casing；2- heating in vacuum inner cavity；3- vacuum pump discharges system；4- automatic heating control system；5-
Self-turning mechanism；
101- integrated casing ontology；102- automatic seal door；103- flame retardant insulation；104- automatic open door device；105-
Rubber seal；106- two-way hydraulic cylinder；107- crank connecting link；108- reset spring；109- two-way ball valve；110- is vertically led
Rail；111- slides adjustment block；112- Fixed latches slot；113- heat insulation layer；
201- lumenal body；202- rotary drive motor；203- live spindle；204- rotatable cooking frame；205- vacuum is close
Seal valve；206- swivel base；207- fixes inserted link；208- fixed baffle；
301- vacuum pump；302- threeway guide valve；303- nitrogen stream meter；304- humidity sensor；305- vacuum
Environmental detector；
401- microwave magnetron；402- voltage changer；403- self-adjustment module；404- power governor；405- high
Press step-up transformer；406- peak absorbance circuit；407- over-voltage and over-current protector；408- embedded microcontroller；409- power
Sensor；
501- rotary drive motor；502- centre rotational axis；503- rotary support tray；504- rotates universal wheel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the present invention provides a kind of multi-functional automatic vacuum ovens for lithium battery, including with
It is described in the heating in vacuum inner cavity 2 realizing the oven lagging casing 1 of installation and heat preservation and being embedded in inside oven lagging casing 1
The top of heating in vacuum inner cavity 2 is equipped with the vacuum pump discharges system 3 for being used to form vacuum environment, and the four of heating in vacuum inner cavity 2
Automatic heating control system 4 for being heated is installed, the bottom of the oven lagging casing 1 is also equipped on all inner walls
Self-turning mechanism 5 for being moved easily.
The oven lagging casing 1 has good thermal insulation property, and formation one is completely close in the heating in vacuum inner cavity 2
Then air in inner cavity is fully drawn out by the environment of envelope by vacuum pump discharges system 3, form a stable vacuum ring
Then border realizes microwave drying by the control of automatic heating control system 4, the moisture in lithium battery is removed, to realize drying
Operation；By self-turning mechanism 5, the automatic rotation of whole device is realized on the one hand can be convenient, and can be convenient ground
It is mobile to carry out position.
The oven lagging casing 1 includes that integrated casing ontology made of the SECC steel plate of spray painting processing is done in outer surface
101 and automatic seal door 102, the inner surface of the integrated casing ontology 101 is filled with heat preservation made of one layer of heat preservation foam
Thermal insulation layer 113, pad is gone back between the heat insulation layer 113 and heating in vacuum inner cavity 2 has one layer to be used to prevent temperature excessively high certainly
Flame retardant insulation 103 that is right and preventing electric leakage；The outer surface of the integrated casing 101 is by coating anti-decaying paint, to have
Effect prevents shell to be corroded, and extends service using life, and the heat insulation layer 113 is made of frivolous thermal insulation material, can
It is effectively prevented internal heat to scatter and disappear, by the way that flame retardant insulation 103 is arranged, the foam of heat insulation layer 113 can be effectively prevented
Plastics because temperature is excessively high and naturally, and have insulation performance, prevent the internal circuit effect of leakage whole device service life.
In the present embodiment, it is connected by hinge between the automatic seal door 102 and integrated casing ontology 101, and
Automatic open door device 104 is installed in 102 other side of automatic seal door, automatic seal door 102 is each with integrated casing ontology 101
A junction is inlaid with the rubber seal 105 for improving sealing performance；The automatic seal door 102 is in automatic open door device
It is realized under 104 control and is automatically closed and opens, the rubber seal 105 can effectively improve the leakproofness of whole device
Energy.
As shown in figure 3, the automatic open door device 104 includes the two-way hydraulic cylinder 106 for open and close driving,
The two-way hydraulic cylinder 106 is embedded in inside automatic seal door 102, and the telescopic shaft top of two-way hydraulic cylinder 106, which is socketed with, to be used for
The crank connecting link 107 moved up and down, the front end of the crank connecting link 107 are connected with reset spring 108, the reset spring
108 outer surface is enclosed with two-way ball valve 109；The integrated casing ontology 101 inner wall corresponding with automatic open door device 104
Edge is inlaid with vertical guide 110, and sliding adjustment block 111, the sliding adjustment block are connected in the vertical guide 110
111 outer surface, which is dug, the Fixed latches slot 112 to match with two-way ball valve 109.
When entire cabinet is sealed environment, automatic seal door 102 is in off state, at this time the liquid of two-way hydraulic cylinder 106
Pressure telescopic shaft is in stretching state, the compression reseting spring 108 under the driving of hydraulic axis of crank connecting link 107, by two-way ball valve 109
It pushes into the Fixed latches slot 112 of sliding adjustment block 111, forms the environment of a stable closing.
When needing to automatically turn on chamber door, the hydraulic oil of two-way hydraulic cylinder 106 starts toward intracavitary reflux, at this time at this time
Hydraulic axis, which slowly recycles, stretches, and crank connecting link 107 pushes up therewith, and reset spring 108 is driven to pull two-way ball valve 109, from
And entire sliding adjustment block 111 is driven to move upwards in vertical guide 110, when hydraulic axis is contracted to minimum length, multiple
Two-way ball valve 109 is pulled out out of Fixed latches slot 112 in the maximum situation of 108 elastic potential energy of spring of position, to open automatic
Hermatic door 102.
As shown in Fig. 2, the heating in vacuum inner cavity 2 includes inner cavity sheet made of the SUS stainless steel plate of corrosion-resistant and high-temperature resistant
Body 201, the left and right sides inner wall corresponding position of the lumenal body 201 are horizontally installed at equal intervals for carrying out rotation driving
Rotary drive motor 202 is socketed with horizontal positioned live spindle 203, institute between the output shaft of the rotary drive motor 202
State the rotatable cooking frame 204 being socketed on the outer surface of live spindle 203 for fixed placement lithium battery.
The rotary drive motor 202 is the driving source for realizing rotary furnace drying, when device starts to carry out rotary furnace drying operation
When, the rotary drive motor 202 of two sides first starts to rotate synchronously, and drives 203 turns of live spindle by rotary drive motor 202
It is dynamic, when live spindle 203 rotates, and then 204 uniform rotation of rotatable cooking frame of outer surface is driven, passes through rotatable cooking frame 204
Uniform rotation can make lithium battery be uniformly heated, thus improve drying efficiency, reduce for lithium battery self performance
It influences.
As shown in Figure 1, the rotatable cooking frame 204 includes both ends swivel base 206 disposed in parallel, the swivel base
Two layers of fixation inserted link 207 being parallel to each other is plugged between 206, there are six 207 every layer of the fixed inserted links, upper layer and lower layer inserted link
The fixed baffle 208 for fixed clamping battery is vertically inlaid between 207；The swivel base 206 passes through connecting flange set
Connect in the outer surface of live spindle 203, carry out with can be convenient installation or disassembling section, thus can according to actual needs,
Adjust the actual number of the rotatable cooking frame 204 of box house；The fixed inserted link 207 is combined with fixed baffle 208, is formed
Independent fixed space one by one can be effectively prevented multiple lithium batteries and rotate in drying to place each lithium battery one by one
When hollow space that accidentally touching leads to battery short circuit, and formed be also beneficial to the circulation of air, and then improve drying efficiency.
The top of the heating in vacuum inner cavity 2 is inlaid with the vacuum seal valve for being connected with vacuum pump discharges system 3
205；The vacuum pump discharges system 3 includes the vacuum pump 301 for being fixedly mounted on 1 top of oven lagging casing, described true
Threeway guide valve 302 is connected between the bleeding point and vacuum seal valve 205 of empty pump air pump 301, the threeway guide valve 302
Side branch is connected with the nitrogen stream meter 303 for measuring input protective gas nitrogen, the nitrogen stream meter by conduit
303 store equipment for external nitrogen.
It should be added that the presence of water is to battery since lithium battery electrolytes are free from the organic matter of hydrone
There are high risks, battery-heating and explosion can be caused, therefore have to before battery liquid-filling and sealing by vacuum bakeout, this is
Necessarily, it is therefore an objective to it removes water, and under vacuum conditions, the boiling point of water significantly reduces under negative pressure, the theory in -0.089Mpa
Boiling point is conducive to water removal and is unlikely to influence the quality of lithium battery itself down to 45 DEG C after this is obvious.
Therefore in the present embodiment, from vacuum seal valve 205 that the air in inner cavity is complete by vacuum evacuation pump 301 first
Full extraction forms a sealing vacuum environment, then connects nitrogen by nitrogen stream meter 303 and stores equipment, in defined pressure
It is filled with appropriate nitrogen under threshold value to be protected, effectively prevent the related organic matter of inside battery due to influencing battery by thermal response
Quality.
It is equipped at the bleeding point of the vacuum seal valve 205 for detecting the wet of the water vapour content in current inner wall
Spend sensor 304 and the vacuum environment detector 305 for detecting current vacuum environment, the humidity sensor 304 and vacuum
The output signal of environmental detector 305 is transmitted to the control terminal of vacuum pump 301.
The vacuum environment detector 305 indoor environment pressure current for real-time detection and other environment ginsengs
Amount so that whether judgement is current is in a vacuum environment, and then controls whether vacuum pump 301 starts to work；When lithium electricity
When pond starts to carry out drying operation, the moisture in script electrolyte flashes to vapor, passes through 304 real-time judge of humidity sensor
Current environment humidity, and then judge currently whether in the state being completely dried, to control the stopping of vacuum pump 301
Work terminates drying operation.
As shown in figure 4, the automatic heating control system 4 includes being embedded in 2 or so rear side of heating in vacuum inner cavity and bottom
The microwave magnetron 401 in portion, the power end of the microwave magnetron 401 are connected with the voltage changer 402 for being powered,
The control terminal of the voltage changer 402 is connected with the self-adjustment module 403 for carrying out automated power detection, described automatic
Power governor 404 is connected between the signal output end of adjustment module 403 and the power control end of microwave magnetron 401.
Supplementary explanation, it is polar molecule and microwave electromagnetic in material that microwave heating technique, which is with material absorption microwave energy,
Field interactions as a result, outside plus alternating electromagnetic field effect under, in material polar molecule polarization and with additional alternating electromagnetic field
The change of polarity and alternation are orientated, and so numerous polar molecules makes electromagnetic energy thermal energy because of frequently mutual frictional dissipation
Deng the relevant technologies for carrying out heated material for principle.In conventional heating, high-temperature medium heat loss that equipment preheats, radiation heat loss becomes estranged
Biggish ratio is occupied in total energy consumption, and when microwave is heated, dielectric material can absorb microwave, and be converted into thermal energy,
And apparatus casing metal material is microwave reflective material, it can only reflect and cannot absorb microwave (or seldom absorbing microwave).
So the heat loss for forming microwave heating equipment only accounts for few part of total energy consumption.Along with microwave heating is internal " body heat
Source ", it does not need high-temperature medium to conduct heat, therefore most microwave energies are absorbed by medium material and are converted into heating institute
The heat needed forms microwave energy and utilizes efficient characteristic.Compared with conventional Electric heating, it can generally economize on electricity
30%~50%.
In the present embodiment, the adjustable microwave signal of frequency is generated as groundwork source using microwave magnetron 401,
It starts to work under the power supply function of voltage changer 402, the moisture in electrolyte is removed by microwave heating, will not influence simultaneously
Other positions of lithium battery, ensure that the quality of lithium battery, also substantially increase the stability of device.
The voltage changer 402 includes the H.V. step up transformer 405 being made of in series and parallel three-level transformer, high pressure liter
The secondary end of pressure transformer 405 is connected with the peak absorbance circuit 406 being made of high-voltage capacitor and high-voltage diode, the height
The over-voltage and over-current protector 407 for carrying out circuit protection is also connected between pressure step-up transformer 405 and external power supply end；Institute
Over-voltage and over-current protector 407 electric current and voltage value current for real-time monitoring are stated, real-time guard operation is carried out to circuit in real time,
And then the stabilization of device is greatly improved, the city the 220V pressure alternating current of input is converted into high pressure by the H.V. step up transformer 405
It being exported after electricity, the peak absorbance circuit 406 of output end is used to inhibit influence of the reverse peak voltage (surge voltage) to diode,
It will not cause possible damage with protection diode pressure resistance deficiency.
The self-adjustment module 403 includes the embedded microcontroller 408 for carrying out automatically controlling, described embedded
The GPIO input terminal of microcontroller 408 is connected with the power sensing for detecting current 401 operating power size of microwave magnetron
Device 409, the power sensor 409 connect analog-digital converter with current sensor by voltage sensor and form.
The voltage value and current value of the power sensor 409 microwave magnetron 401 current for real-time detection, receive
The temperature value arrived carries out numerical analysis by embedded microcontroller 408, obtains data conversion power signal, then by embedding
The performance number received is compared by the controller 408 that enters to decline with preset temperature value, judges whether current temperature value is full
Sufficient requirement, when being unsatisfactory for condition, by the adjustment signal of output to power sensor 409 to microwave magnetron 401
Carry out power adjustment operation.
The self-turning mechanism 5 includes the rotary drive motor 501 for carrying out hoofing part, the rotation driving electricity
Machine 501 is fixed on the lower surface of oven lagging casing 1, the output of the rotary drive motor 501 by motor fixing seat back-off
It is socketed with centre rotational axis 502 on axis, is socketed with rotary support tray 503 on the centre rotational axis 502；The rotary support tray
503 are made of high-strength stainless steel cored slabs, and the lower surface of the rotary support tray 503 inlays that there are three rotations ten thousand at equal intervals
To wheel 504, the wheel shaft of the rotation universal wheel 504, which is worn, to be connect inside the lower surface of rotary support tray 503, and three rotation supports
Disk 503 forms stable triangular structure.
When device is rotated, starting rotary drive motor 501 is started to work, rotary drive motor
501 work when drive centre rotational axis 502 rotate, by centre rotational axis 502 drive bottom rotary support tray 503 into
Row rotation operation, realizes the rotation of whole device；And it rotates universal wheel 504 and forms a stable triangle knot in bottom
Structure increases whole device to effectively improve the stability of device, and with can driving whole device phase all directions mobile
Flexibility.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of multi-functional automatic vacuum oven for lithium battery, it is characterised in that：Including for realizing installing and keep the temperature
Oven lagging casing (1) and the heating in vacuum inner cavity (2) for being embedded in oven lagging casing (1) inside, the heating in vacuum inner cavity
(2) the vacuum pump discharges system (3) for being used to form vacuum environment, the surrounding inner wall of heating in vacuum inner cavity (2) are installed at the top of
On automatic heating control system (4) for being heated is installed, the bottom of the oven lagging casing (1) is also equipped with use
In the self-turning mechanism (5) being moved easily；
The oven lagging casing (1) includes that integrated casing ontology made of the SECC steel plate of spray painting processing was done in outer surface
(101) it is made with automatic seal door (102), the inner surface of the integrated casing ontology (101) filled with one layer of heat preservation foam
Heat insulation layer (113), gone back between the heat insulation layer (113) and heating in vacuum inner cavity (2) pad have one layer for preventing
Only the excessively high nature of temperature and prevent electric leakage flame retardant insulation (103)；
The heating in vacuum inner cavity (2) includes lumenal body made of the SUS stainless steel plate of corrosion-resistant and high-temperature resistant (201), described
The left and right sides inner wall corresponding position of lumenal body (201) is horizontally installed with the rotation driving for carrying out rotation driving at equal intervals
Motor (202) is socketed with horizontal positioned live spindle (203) between the output shaft of the rotary drive motor (202), described
The rotatable cooking frame (204) for fixed placement lithium battery is socketed on the outer surface of live spindle (203)；The heating in vacuum
The vacuum seal valve (205) for being connected with vacuum pump discharges system (3) is inlaid at the top of inner cavity (2)；
The vacuum pump discharges system (3) includes the vacuum pump (301) being fixedly mounted at the top of oven lagging casing (1),
It is connected with threeway guide valve (302) between the bleeding point and vacuum seal valve (205) of the vacuum pump (301), described three
The side branch of admittance air valve (302) is connected with the nitrogen stream meter for measuring input protective gas nitrogen by conduit
(303), the nitrogen stream meter (303) stores equipment for external nitrogen；
The automatic heating control system (4) includes the microwave magnetron for being embedded in heating in vacuum inner cavity (2) side and bottom
(401), the power end of the microwave magnetron (401) is connected with the voltage changer (402) for being powered, the voltage
The control terminal of converter (402) is connected with the self-adjustment module (403) for carrying out automated power detection, the automatic adjustment
Power governor (404) are connected between the signal output end of module (403) and the power control end of microwave magnetron (401).
2. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 1, it is characterised in that：It is described from
It is connected by hinge between dynamic sealing door (102) and integrated casing ontology (101), and in automatic seal door (102) other side
It is equipped with automatic open door device (104), automatic seal door (102) and each junction of integrated casing ontology (101) are inlayed
There is the rubber seal (105) for improving sealing performance.
3. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 2, it is characterised in that：It is described from
Dynamic Qi Menqi (104) include the two-way hydraulic cylinder (106) for open and close driving, the two-way hydraulic cylinder (106)
It is embedded in automatic seal door (102) internal, the telescopic shaft top of two-way hydraulic cylinder (106) is socketed with for moving up and down
The front end of crank connecting link (107), the crank connecting link (107) is connected with reset spring (108), the reset spring (108)
Outer surface is enclosed with two-way ball valve (109).
4. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 2, it is characterised in that：Described one
It is inlaid with vertical guide (110) at body outer cover body (101) inside wall edge corresponding with automatic open door device (104), it is described
Be connected with sliding adjustment block (111) in vertical guide (110), the outer surface of sliding adjustment block (111) dig have with it is two-way
The Fixed latches slot (112) that ball valve (109) matches.
5. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 1, it is characterised in that：The rotation
Turning baking rack (204) includes both ends swivel base disposed in parallel (206), is plugged with two layers between the swivel base (206)
The fixation inserted link (207) being parallel to each other, there are six fixed every layer of the inserted links (207), vertical between upper layer and lower layer inserted link (207)
It is inlaid with the fixed baffle (208) for fixed clamping battery.
6. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 1, it is characterised in that：It is described true
Humidity sensor for detecting the water vapour content in current inner wall is installed at the bleeding point of empty sealing valve (205)
(304) and the vacuum environment detector (305) for detecting current vacuum environment, the humidity sensor (304) and vacuum ring
The output signal of border detector (305) is transmitted to the control terminal of vacuum pump (301).
7. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 1, it is characterised in that：The electricity
Buckling parallel operation (402) includes the H.V. step up transformer (405) being made of in series and parallel three-level transformer, H.V. step up transformer
(405) secondary end is connected with the peak absorbance circuit (406) being made of high-voltage capacitor and high-voltage diode, the high pressure liter
The over-voltage and over-current protector (407) for carrying out circuit protection is also connected between pressure transformer (405) and external power supply end.
8. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 1, it is characterised in that：It is described from
Dynamic adjustment module (403) include the embedded microcontroller (408) for carrying out automatically controlling, the embedded microcontroller
(408) GPIO input terminal is connected with the power sensor for detecting current microwave magnetron (401) operating power size
(409), the power sensor (409) connects analog-digital converter with current sensor by voltage sensor and forms.
9. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 1, it is characterised in that：It is described from
Dynamic rotating mechanism (5) include for carrying out the rotary drive motor of hoofing part (501), and the rotary drive motor (501) is logical
It crosses motor fixing seat back-off and is fixed on the lower surface of oven lagging casing (1), on the output shaft of the rotary drive motor (501)
It is socketed with centre rotational axis (502), is socketed with rotary support tray (503) on the centre rotational axis (502).
10. a kind of multi-functional automatic vacuum oven for lithium battery according to claim 9, it is characterised in that：It is described
Rotary support tray (503) is made of high-strength stainless steel cored slab, and the lower surface of the rotary support tray (503) is inlayed at equal intervals
Universal wheel (504) are rotated there are three embedding, the wheel shaft of rotation universal wheel (504) wears the following table connect in rotary support tray (503)
Inside face, and three rotary support trays (503) form stable triangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465925.1A CN108870922A (en) | 2018-09-07 | 2018-09-07 | A kind of multi-functional automatic vacuum oven for lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810465925.1A CN108870922A (en) | 2018-09-07 | 2018-09-07 | A kind of multi-functional automatic vacuum oven for lithium battery |
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| Publication Number | Publication Date |
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| CN108870922A true CN108870922A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465925.1A Pending CN108870922A (en) | 2018-09-07 | 2018-09-07 | A kind of multi-functional automatic vacuum oven for lithium battery |
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| CN (1) | CN108870922A (en) |
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| CN113611549A (en) * | 2021-10-09 | 2021-11-05 | 南通三喜电子有限公司 | Drying device for intelligent manufacturing based on capacitor |
| CN115164515A (en) * | 2022-07-14 | 2022-10-11 | 哈尔滨学院 | Microwave vacuum drying equipment |
| CN115523722A (en) * | 2022-09-22 | 2022-12-27 | 常州光迅工业设备有限公司 | Oil heating vacuum drying oven special for capacitor |
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Application publication date: 20181123 |