CN206771892U - A kind of battery vacuum drying device - Google Patents
A kind of battery vacuum drying device Download PDFInfo
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- CN206771892U CN206771892U CN201720296600.6U CN201720296600U CN206771892U CN 206771892 U CN206771892 U CN 206771892U CN 201720296600 U CN201720296600 U CN 201720296600U CN 206771892 U CN206771892 U CN 206771892U
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- drying cavity
- drying
- cavity
- air path
- housing
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a kind of battery vacuum drying device, causes drying efficiency relatively low to solve the problems, such as drying cavity interior air-flow chaotic.Battery vacuum drying device includes being used for the drying cavity for placing battery to be dried, return air inlet, air outlet are provided with drying cavity, it is connected between return air inlet, air outlet by circulation air path, circulating fan is provided with circulation air path and/or drying cavity, drying unit also includes the heater block that individually heating is carried out to drying cavity, drying cavity and circulation air path are heated or heated respectively to drying cavity and circulation air path simultaneously.Compared with prior art, heat utilization ratio is high, and the overall programming rate of drying cavity is very fast.Heater block can be one, and drying cavity and circulation air path are heated to drying cavity or simultaneously, and heater block can also be two, drying cavity and circulation air path be heated respectively, the set-up mode of heater block can be adjusted according to when being actually needed.
Description
Technical field
It the utility model is related to a kind of battery vacuum drying device.
Background technology
Lithium ion battery is during the manufacturing, it is necessary to be dried to battery, to eliminate moisture, guarantee lithium battery
Energy.The drying plant typically used is to be dried by vacuumizing to make moisture evaporation, is then charged with nitrogen and takes away moisture, instead
Multiple circulations are carried out again to reach the purpose of elimination lithium battery moisture.Vacuum drying is with drying temperature is low, rate of drying is fast, quilt
The advantages that dry goods are unlikely to deteriorate, suitable for the drying of multiple material or article.But sent out in actual production by thermometric
Existing, the heating carried out after evacuation is extremely uneven and slow, and this is due to that heat can only be made by metal inner surface transmission
Into, lithium battery uneven heating is even in this case, and drying degree differs, and drying cycle length, manufactured lithium battery performance is deposited
In huge difference, yields is low and is unfavorable for module combo.
The utility model patent that authorized announcement date is on July 9th, 2014, Authorization Notice No. is the U of CN 203704556
A kind of lithium battery vacuum drying oven is disclosed, the vacuum drying oven is included with the stove for being used for the drying cavity for placing battery to be dried
Body, vacuum orifice and the air inlet for inputting dry gas into drying cavity are offered on body of heater, heating is provided with drying cavity
Device, vacuum drying oven also include being used for the air blower for driving dry gas to flow, and air blower includes being closed in drying cavity by body of heater
Interior fan and the motor outside drying cavity is isolated from by body of heater, passes through magnetic current between the output shaft of motor and the input shaft of fan
Body magnetic transmission connects.The lithium battery vacuum drying oven when in use, first carries out heating in vacuum, and starting air blower after heating can be with
Allow and air-flow is produced in drying cavity, the dry gas of flowing can make heat caused by heater be dispersed into each angle of drying cavity
Fall, ensure that the uniformity of drying cavity temperature, shorten the drying time of drying process, while improve the drying matter of battery
Amount.
But above-mentioned lithium battery vacuum drying oven is when in use due to without preheating process, lithium battery in drying course by
The time that normal temperature is risen to used in drying temperature is longer, and blower fan rotates, and the dry gas in drying cavity flows, due to
Drying cavity is closed cavity, and gas can produce reflection after flowing to drying cavity cavity wall, causes gas flowing chaotic, in drying cavity
Smoothly airflow circulating passage can not be produced, the air-flow at fan is larger and smaller or even without gas away from the air-flow at fan
Flowing, gas diffusion is slower, and heating is uneven, causes the overall programming rate in drying cavity slower, reduces the efficiency of drying.
Utility model content
The purpose of this utility model is to provide a kind of battery vacuum drying device, with solve drying cavity interior air-flow it is chaotic and
The problem of causing drying efficiency relatively low.
To achieve the above object, the technical scheme of the utility model battery vacuum drying device is：A kind of battery vacuum is dried
Equipment for drying, including for placing the drying cavity of battery to be dried, return air inlet, air outlet, return air inlet, air-out are provided with drying cavity
It is connected between mouthful by circulation air path, circulating fan is provided with circulation air path and/or drying cavity, drying unit is also included to drying
Dry chamber carries out individually heating, added to what drying cavity and circulation air path heated simultaneously or drying cavity and circulation air path heated respectively
Thermal part.
Drying unit also includes being arranged at the housing on the outside of drying cavity, and circulation air path is formed between housing and drying cavity.
Heater block is arranged at the outside of housing to realize to drying cavity and circulation air path while heat.
The housing is arranged at intervals with drying cavity, and described circulated air is formd between case inside and drying cavity outside
Road.
The return air inlet and air outlet of drying cavity are correspondingly arranged in the upper and lower ends of drying cavity, and the circulating fan is located at drying
At the air outlet of chamber.
The return air inlet is cellular air intake structure.
The outside of the housing is provided with heat-insulation layer.
The heat-insulation layer is arranged at intervals with the heater block.
Gas outlet is offered on the heat-insulation layer and for the cold wind blower fan that cold wind is passed through between heat-insulation layer and housing.
The beneficial effects of the utility model are：Drying cavity is preheated or during heating in vacuum, be passed through dry gas simultaneously
After heating, start circulating fan, make to form circulating current between the return air inlet of drying cavity and air outlet, make the drying gas after heating
Body diffuses to rapidly the everywhere in drying cavity, improves the overall programming rate of drying cavity.Compared with prior art, heat profit
High with rate, the overall programming rate of drying cavity is very fast.Heater block can be one, to drying cavity and follow to drying cavity or simultaneously
Ring air channel is heated, and heater block can also be two, and drying cavity and circulation air path are heated respectively, heater block
Set-up mode can be adjusted according to when being actually needed.
Heater block is arranged to the outside of housing can prevent heater block overheat from making the damage of battery pair.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model battery vacuum drying device embodiment 1；
Fig. 2 is the schematic diagram that gas flows in the utility model battery vacuum drying device embodiment 1；
Fig. 3 is the schematic diagram of drying cavity and housing in the utility model battery vacuum drying device embodiment 1；
Fig. 4 is the schematic diagram of drying cavity in the utility model battery vacuum drying device embodiment 1；
Fig. 5 is the schematic diagram of the utility model battery vacuum drying device embodiment 2.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of battery vacuum drying device of the present utility model, as shown in Figures 1 to 4, wherein 1 is heating
Pipe, 2 be cold wind blower fan, and 3 be gas outlet, and 4 be heat insulation foam, and 5 be housing, and 6 be return air inlet, and 7 be circulating fan, and 8 be drying cavity, 9
It is circulating fan motor for device for sealing magnetic fluid, 10,11 be circulation air path.
Housing 5 is provided with vacuum orifice（It is not drawn into figure）With dry gas blow vent（It is not drawn into figure）, vacuum orifice
For being connected with vacuum extractor to be vacuumized to drying cavity 8, dry gas blow vent can enter for dry gas to be dried
In dry chamber 8, dry gas is usually nitrogen.The lower section of drying cavity 8 offers return air inlet 6, and top offers air outlet（In figure not
Mark）, it is in cellular circular hole that return air inlet 6, which includes multiple, is easy to diffusing air current, improves the effect of drying, is pacified at air outlet
Equipped with circulating fan 7, circulating fan 7 is attached by device for sealing magnetic fluid 9 and circulating fan motor 10, can ensure shell
The sealing of body 5.There is a certain distance between housing 5 and drying cavity 8（It is arranged at intervals）, circulation air path 11 is formd, is circulated
Blower fan 7 is placed in circulation air path 11, and the suction opeing of circulating fan 7 connects with the air outlet of drying cavity 8, exhaust outlet and circulation air path
11 connections.
Be provided with heat-generating pipe 1 on the outer wall of housing 5, in the present embodiment, heat-generating pipe 1 be arranged at the outer wall of housing 5 sidepiece and
Bottom.Insulation construction is provided with the outside of housing 5, insulation construction includes being arranged at the heat insulation foam 4 outside housing 5, prevents shell
The heat of body 5 scatters and disappears, and ensure that heating effect, in the present embodiment, is arranged at intervals, is easy to heat-insulated between heat insulation foam 4 and heat-generating pipe 1
With the cooling in later stage, the top of heat insulation foam 4 is sticked on the top of the outer wall of housing 5.
Gas outlet 3 and cold wind blower fan 2 are further opened with heat insulation foam 4, gas outlet 3 is provided with the rotation gear of external motor driving
Plate, when being dried to battery, butterfly closure, prevent heat to scatter and disappear, during cooling, open butterfly, start cold wind wind
Machine 2, cold air is passed through by cold wind blower fan 2, by hot-air by being displaced in gas outlet 3, completes circulation, reduce the temperature in housing 5
Degree.
It is of the present utility model to be using process：Battery is preheated first, first vacuumized, by the sky in housing 5
Gas is extracted out, is then filled with nitrogen by dry gas blow vent, heat-generating pipe 1 is started working, and now gas outlet 3 is in closed form
State, circulating fan 7 are started working, and the nitrogen being filled with housing 5 forms interior fortune wind, are carried out in drying cavity 8 and circulation air path 11
Circulate, make uniform heat distribution；After heating terminates, circulating fan 7 is stopped, and starts to vacuumize, by the nitrogen in housing 5
Gas is completely drawn out, and completes preheating.After the completion of preheating, heat-generating pipe 1, which is started working, carries out vacuum drying battery, is filled with nitrogen afterwards,
Circulating fan 7 is started working, and is carried out interior fortune wind circulation drying, is vacuumized again afterwards, heat-generating pipe 1 is started working, repeatedly
Drying is completed after circulation, the number of circulation can be determined according to actual conditions.
Cooled after drying, now heat-generating pipe 1 is stopped, and gas outlet 3 is opened, and cold wind blower fan 2 is passed through cold air, heat
Air is discharged from gas outlet 3, while cold wind blower fan 2 works, housing 5 is vacuumized, fortune wind in inflated with nitrogen and progress
The mode of circulation can accelerate the cooling of housing 5, realize the purpose of fast cooling.
In the present embodiment, heat-generating pipe is heater block, and heat insulation foam is heat-insulation layer.In the present embodiment, heater block is same
When drying cavity and circulation air path are heated, in other embodiments, drying cavity can individually be heated.The present embodiment
In, vacuum orifice and dry gas blow vent are located on housing, in other embodiments, can be by vacuum orifice and dry gas
Blow vent is opened on drying cavity；Or it is combined into one vacuum orifice and dry gas blow vent.
In other embodiments, the relative position relation between drying cavity return air inlet and air outlet can be according to actual conditions
It is designed, return air inlet is such as located to the side of drying cavity.
In the present embodiment, dry gas is nitrogen, and in other embodiments, dry gas can be the indifferent gas such as argon gas
Body.
In the present embodiment, circulating fan is arranged on drying cavity, in other embodiments, can be arranged on circulating fan
In circulation air path.
The specific embodiment 2 of battery vacuum drying device of the present utility model, as shown in figure 5, wherein 12 be housing, 13 are
Breather pipe, 14 be blower fan, is with the difference of embodiment 1, and housing 12 is arranged at into the outside of drying cavity 8 and keeps both
Independence, blower fan 14 start after can realize that the gas in drying cavity 8 and housing 12 circulates, in the present embodiment, heating part
Part can be one, and only drying cavity 8 is heated；It can also be two, drying cavity 8 and housing 12 are heated respectively.
In the present embodiment, the inner chamber of breather pipe 13 and housing 12 has collectively constituted circulation canal.In other embodiments, may be used
Upper and lower breather pipe 13 is connected with cancelling housing 12, now the inner chamber of breather pipe 13 is circulation air path.
Claims (9)
1. a kind of battery vacuum drying device, including for placing the drying cavity of battery to be dried, it is characterised in that：On drying cavity
Return air inlet, air outlet are provided with, is connected between return air inlet, air outlet by circulation air path, is set on circulation air path and/or drying cavity
Be equipped with circulating fan, drying unit also includes carrying out drying cavity individually heating, drying cavity and circulation air path are heated simultaneously or
The heater block that person heats respectively to drying cavity and circulation air path.
2. battery vacuum drying device according to claim 1, it is characterised in that：Drying unit also includes being arranged at drying
Housing on the outside of chamber, circulation air path are formed between housing and drying cavity.
3. battery vacuum drying device according to claim 2, it is characterised in that：Heater block is arranged at the outside of housing
Drying cavity and circulation air path are heated simultaneously with realizing.
4. battery vacuum drying device according to claim 2, it is characterised in that：The housing is set with drying cavity interval
Put, described circulation air path is formd between case inside and drying cavity outside.
5. battery vacuum drying device according to claim 1, it is characterised in that：The return air inlet and air outlet pair of drying cavity
The upper and lower ends of drying cavity should be arranged at, the circulating fan is at the air outlet of drying cavity.
6. battery vacuum drying device according to claim 5, it is characterised in that：The return air inlet for it is cellular enter it is depressed
Structure.
7. the battery vacuum drying device according to claim 2 ~ 4 any one, it is characterised in that：The outside of the housing
Provided with heat-insulation layer.
8. battery vacuum drying device according to claim 7, it is characterised in that：The heat-insulation layer and the heater block
It is arranged at intervals.
9. battery vacuum drying device according to claim 8, it is characterised in that：Gas outlet is offered on the heat-insulation layer
And for the cold wind blower fan that cold wind is passed through between heat-insulation layer and housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296600.6U CN206771892U (en) | 2017-03-24 | 2017-03-24 | A kind of battery vacuum drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296600.6U CN206771892U (en) | 2017-03-24 | 2017-03-24 | A kind of battery vacuum drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206771892U true CN206771892U (en) | 2017-12-19 |
Family
ID=60633531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720296600.6U Expired - Fee Related CN206771892U (en) | 2017-03-24 | 2017-03-24 | A kind of battery vacuum drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206771892U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499976A (en) * | 2018-12-28 | 2019-03-22 | 东莞市沃德精密机械有限公司 | Battery cleaning device |
| CN110553476A (en) * | 2019-08-30 | 2019-12-10 | 湖南三德科技股份有限公司 | Drying cabinet |
| CN111271968A (en) * | 2018-12-05 | 2020-06-12 | 洪义明 | Temperature adjusting equipment of high-temperature oven |
| CN111750625A (en) * | 2019-03-26 | 2020-10-09 | 湖南三德科技股份有限公司 | Nitrogen-introducing drying method and device for sample drying |
-
2017
- 2017-03-24 CN CN201720296600.6U patent/CN206771892U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271968A (en) * | 2018-12-05 | 2020-06-12 | 洪义明 | Temperature adjusting equipment of high-temperature oven |
| CN109499976A (en) * | 2018-12-28 | 2019-03-22 | 东莞市沃德精密机械有限公司 | Battery cleaning device |
| CN111750625A (en) * | 2019-03-26 | 2020-10-09 | 湖南三德科技股份有限公司 | Nitrogen-introducing drying method and device for sample drying |
| CN110553476A (en) * | 2019-08-30 | 2019-12-10 | 湖南三德科技股份有限公司 | Drying cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 454191 Industrial Cluster Area, Jiaozuo City, Henan Province, Standardized Workshop Area on the North Side of Xinyuan Road, West Park Patentee after: Multi-fluorine New Energy Technology Co.,Ltd. Address before: 454191 Henan Jiaozuo industrial agglomeration area, West Park, Xinyuan Road, north side of the standardization workshop. Patentee before: DO-FLUORIDE (JIAOZUO) NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |