CN209263606U - A kind of lithium battery diaphragm drying unit - Google Patents
A kind of lithium battery diaphragm drying unit Download PDFInfo
- Publication number
- CN209263606U CN209263606U CN201821773105.0U CN201821773105U CN209263606U CN 209263606 U CN209263606 U CN 209263606U CN 201821773105 U CN201821773105 U CN 201821773105U CN 209263606 U CN209263606 U CN 209263606U
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- filter screen
- baking oven
- slot
- lithium battery
- battery diaphragm
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Abstract
The utility model discloses a kind of lithium battery diaphragm drying units, including baking oven, PLC controller, man-machine interface and alarm, the oven interior is equipped with heater close to air inlet, filter screen is equipped in baking oven, the top of baking oven is equipped with through slot, cooperation is equipped with lifting plate in the through slot, through slot is fixed with positioning plate, two positioning plates are in mirror symmetry with respect to filter screen, the positioning plate is equipped with silica gel slot, cooperation is equipped with silica gel sealing ring in the silica gel slot, seal groove is offered at the top of the silica gel sealing ring, the bottom of the lifting plate is equipped with and the matched insertion flange of the seal groove, the bottom of the baking oven is connected with baker by discharge pipe, filter screen two sides are respectively arranged with the first temperature sensor and second temperature sensor.The drying unit of the utility model can intuitively observe the working condition of each filter screen, can be directly acquainted with the filter screen for plugging fault occur, moreover, filter screen is easy to disassemble, the good seal performance of filter screen installation place.
Description
Technical field
The utility model relates to lithium battery production technical field, in particular to a kind of lithium battery diaphragm drying unit.
Background technique
Traditional lithium battery diaphragm drying unit is only that temperature sensor, acquisition is arranged in lithium battery diaphragm working region
The temperature of lithium battery diaphragm workspace observes drying temperature, can not monitor the actual temperature of each temperature spot in baking oven inlet
Situation can not reflect strainer actual state, moreover, strainer is inconvenient to dismantle, bring very to maintaining and analyzing failure
Big difficult, because influencing, temperature variation factors are too many, can only be using time-consuming row one by one for being located at the strainer of oven interior
Look into, and the warm area of identical function have it is several, only check strainer will complete machine maintenance down, tremendous influence is caused to production；Separately
Outside, in the poor sealing of the installation site of strainer, the thermal loss in baking oven is caused, while being also possible to lead to external aqueous vapor
Oven interior is impacted into oven interior.
Utility model content
To solve problems of the prior art, the utility model provides a kind of lithium battery diaphragm drying unit, this
The drying unit of utility model can intuitively observe the working condition of each filter screen, can be directly acquainted with and block
The filter screen of failure, moreover, filter screen is easy to disassemble, the good seal performance of filter screen installation place.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of lithium battery diaphragm drying unit, including multiple groups baking oven, the multiple groups baking oven be symmetrically distributed in lithium battery every
The side of the two sides of film, the baking oven is equipped with air inlet, and the air inlet is connected with blower, and oven interior is set close to air inlet
Having heaters, the interior middle part of baking oven are equipped with filter screen vertically, and the top of baking oven is equipped with through slot corresponding with the filter screen position, institute
It states cooperation in through slot and is equipped with lifting plate, through slot is respectively and fixedly provided with L-shaped positioning plate along the bottom of the two sides of baking oven length direction, and two
A positioning plate is in mirror symmetry with respect to filter screen, and the both ends of positioning plate are respectively with the two of the baking oven with respect to inner sidewall
Fitting, the positioning plate have vertical part and the horizontal part, and the upper surface of positioning plate horizontal part offers the silicon isometric with positioning plate
Glue groove, the interior cooperation of the silica gel slot are equipped with silica gel sealing ring, offer seal groove, the lifting at the top of the silica gel sealing ring
The bottom of plate, which is equipped with, to be connect with the matched insertion flange of the seal groove, the filter screen with the bottom of lifting plate；The baking oven
Bottom far from air inlet side is connected with baker by discharge pipe.
The oven interior and the two sides for being located at filter screen are respectively arranged with the first temperature sensor and second temperature sensing
Device, the lithium battery diaphragm drying unit further include PLC controller, man-machine interface and alarm, first temperature sensor
Signal output end connects the first signal input part of the PLC controller, the signal output of the second temperature sensor
The second signal input terminal of end connection PLC controller, the first signal output end of the PLC controller connect the man-machine interface
Signal input part, the second signal output end of PLC controller connects the signal input part of the alarm.
In above structure, blower is directed wind into baking oven by air inlet, is carried out first by the heater in preceding warm area
Heating, reaches the temperature requirement of drying, and then hot wind is fallen the contaminant filter in air, hot wind passes through outlet air by filter screen
Guan Bingcong baker sprays, and the gas outlet of baker corresponds to the surface of lithium battery diaphragm, dries to lithium battery diaphragm, is arranged
Multiple groups baking oven mirror symmetry the two sides up and down for being distributed in lithium battery diaphragm, the upper and lower surface of lithium battery diaphragm is carried out simultaneously
Drying, effectively improves drying efficiency, while it is also possible that lithium battery diaphragm two sides uniform force, avoid crimping shows
As the first temperature sensor and second temperature sensor being respectively set in the two sides of filter screen, the first temperature sensor can be adopted
Collect the temperature on front side of filter screen, second temperature sensor can be with the temperature on rear side of acquisition filter net, the first temperature sensor and the
The temperature information that two temperature sensors will test is transferred to PLC controller, and PLC controller handles signal, calculates
(when filter screen blocks, heat-transfer effect can be deteriorated the difference of filter screen two sides temperature, will affect and dry to lithium battery diaphragm
The temperature difference of dry effect, filter screen two sides can become larger), and this difference is compared with the temperature allowable error value set,
If temperature gap has exceeded the temperature allowable error value of setting, PLC controller outputs signal to alarm, and alarm equipment alarm mentions
Awake staff checks, meanwhile, the temperature that PLC controller can detect the first temperature sensor and second temperature sensor
Degree information and the temperature difference of calculated filter screen two sides are shown in man-machine interface in real time, the convenient note to this data
Record and in real time observation, so set, staff can observe the filter screen in each baking oven in real time in man-machine interface
Working condition, when filter screen blocks, staff can directly judge that specifically which filter screen breaks down,
Investigation replacement directly can be carried out to the filter screen for plugging fault occur, be not necessarily to complete machine maintenance down, improve overhaul efficiency and
Working efficiency；When installing filter screen, by lifting plate indentation through slot, insertion flange and the silica gel on positioning plate for lifting board bottom portion are close
Seal groove at the top of seal cooperates, and can effectively play the role of sealing, prevent the loss of the heat in baking oven, simultaneously
It can also prevent external aqueous vapor from entering in baking oven, oven interior device is impacted.
Preferably, the baker includes the shell being connected to the discharge pipe, and the enclosure interior is equipped with air-flow buffer
Plate forms air-flow wind chamber, a side surface of the shell far from discharge pipe between the air-flow buffer plate and the inner sidewall of shell
On be evenly equipped with several exhaust vents, the exhaust vent is towards the surface of lithium battery diaphragm, and the exhaust vent is in a circular table shape, and exhaust vent
Osculum end towards enclosure interior, the big opening end of exhaust vent is towards the surface of lithium battery diaphragm.Setting air-flow is slow inside housings
Punching plays the air-flow of buffering outlet air discharge pipe, and this design is effective to be reduced because outlet air wind-force is excessive or the excessive band of air output
The unfavorable factor come, exhaust vent are arranged to round table-like, and osculum end is inwardly, and big opening end outwardly, can further reduce outlet air
Wind-force.
Preferably, placing groove is offered at the top of the lifting plate, is equipped with handle flexible in the placing groove.It is arranged soft
Handle is placed in placing groove by the handle of property after lifting filter screen, is not take up space.
Preferably, the strainer cover board with through slot cooperation is hinged at the top of the baking oven.Strainer is set on through slot
Cover board in normal work closes strainer cover plate lid on through slot, can prevent external dust from falling into through slot.
Preferably, offer sliding slot on the two of the baking oven opposite inner sidewalls, the two sides of the filter screen respectively with
Sliding slot described in two is slidably connected.The sliding slot of setting and filter screen cooperation on two opposite inner sidewalls of baking oven, in filter screen
During installation and removal, guiding can be played the role of.
Preferably, the filter screen includes double layer of metal stratum reticulare, is equipped with mineral wool layer between two layers of metal net layer.It adopts
With the filter screen of double-level-metal stratum reticulare laminated glass cotton layer structure, filter effect is good.
The beneficial effects of the utility model are:
1, the two sides up and down for being distributed in lithium battery diaphragm of multiple groups baking oven and mirror symmetry are set, to the upper of lithium battery diaphragm
Lower surface is dried simultaneously, effectively improves drying efficiency, while it is also possible that lithium battery diaphragm two sides uniform force, avoids
There is a phenomenon where crimp；
2, the first temperature sensor and second temperature sensor, the first temperature sensor is respectively set in the two sides of filter screen
It can be with the temperature on rear side of acquisition filter net, the first temperature sensing with the temperature on front side of acquisition filter net, second temperature sensor
The temperature information that device and second temperature sensor will test is transferred to PLC controller, and PLC controller handles signal,
The difference of filter screen two sides temperature is calculated, and this difference is compared with the temperature allowable error value set, if temperature
Difference has exceeded the temperature allowable error value of setting, then PLC controller outputs signal to alarm, and alarm equipment alarm reminds work
Personnel check, meanwhile, PLC controller can believe the temperature that the first temperature sensor and second temperature sensor detect
Breath and the temperature difference of calculated filter screen two sides are shown in man-machine interface in real time, convenient record to this data and
Observation in real time, so set, staff can observe the work of the filter screen in each baking oven in real time in man-machine interface
Make situation, when filter screen blocks, staff can directly judge that specifically which filter screen breaks down, can be with
Investigation replacement directly is carried out to the filter screen for plugging fault occur, complete machine maintenance down is not necessarily to, improves overhaul efficiency and work
Efficiency；
3, when filter screen is installed, by lifting plate indentation through slot, silica gel on the insertion flange and positioning plate in board bottom portion is lifted
Seal groove at the top of sealing ring cooperates, and can effectively play the role of sealing, prevent the loss of the heat in baking oven, together
When can also prevent external aqueous vapor from entering in baking oven, oven interior device is impacted；
4, air-flow buffer plate is set inside housings, plays the air-flow of buffering outlet air discharge pipe, this design effectively subtracts
It is small because outlet air wind-force is excessive or the excessive bring unfavorable factor of air output, exhaust vent is arranged to round table-like, and osculum end is inwardly, greatly
Mouth end outwardly, can further reduce outlet air wind-force；
5, the sliding slot that setting cooperates with filter screen on two opposite inner sidewalls of baking oven, in the mistake of filter screen installation and removal
Cheng Zhong can play the role of guiding；
6, using the filter screen of double-level-metal stratum reticulare laminated glass cotton layer structure, filter effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lithium battery diaphragm drying unit described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of baking oven and baker described in the utility model embodiment；
Fig. 3 is the partial structural diagram at Fig. 2 " A "；
Fig. 4 is the top view of baking oven described in the utility model embodiment；
Fig. 5 is the structural schematic diagram of filter screen described in the utility model embodiment；
Fig. 6 is control principle block diagram described in the utility model embodiment；
Fig. 7 is the sectional elevation of baking oven described in the utility model embodiment.
Appended drawing reference:
1, baking oven；2, lithium battery diaphragm；3, filter screen；4, blower；5, air inlet；6, heater；7, the first temperature sensing
Device；8, second temperature sensor；9, discharge pipe；10, baker；11, shell；12, air-flow buffer plate；13, air-flow wind chamber；14,
Exhaust vent；15, plate is lifted；16, positioning plate；17, silica gel slot；18, silica gel sealing ring；19, seal groove；20, it is embedded in flange；21,
Through slot；22, placing groove；23, handle；24, sliding slot；25, metal net layer；26, mineral wool layer；27, PLC controller；28, man-machine boundary
Face；29, alarm.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in figs 1 to 6, a kind of lithium battery diaphragm drying unit, including multiple groups baking oven 1, the multiple groups baking oven 1 are right
Claiming the two sides for being distributed in lithium battery diaphragm 2, the left side of the baking oven 1 is equipped with air inlet 5, and the air inlet 5 is connected with blower 4,
1 inside of baking oven is equipped with heater 6 at air inlet 5, and middle part is equipped with filter screen 3 vertically in baking oven 1, and the filter screen 3 includes
Double layer of metal stratum reticulare 25 is equipped with mineral wool layer 26 between two layers of metal net layer 25, using 25 interlayer glass of double-level-metal stratum reticulare
The filter screen 3 of glass cotton 26 structure of layer, filter effect is good, and the top of baking oven 1 is equipped with through slot corresponding with 3 position of filter screen
21, the interior cooperation of the through slot 21 is equipped with lifting plate 15, and the top of the lifting plate 15 offers placing groove 22, the placing groove 22
It is interior that handle 23 is placed in placing groove 22, is not take up space, in through slot after lifting filter screen 3 equipped with handle 23 flexible
Strainer cover board is set on 21, in normal work, strainer cover plate lid is closed on through slot 21, can prevent external dust from falling into
In through slot 21, through slot 21 is respectively and fixedly provided with L-shaped positioning plate 16 along the bottom of the two sides of 1 length direction of baking oven, described in two
Positioning plate 16 is in mirror symmetry with respect to filter screen 3, and opposite inner sidewall pastes with the two of the baking oven 1 respectively at the both ends of positioning plate 16
It closes, the positioning plate 16 has vertical part and the horizontal part, and the upper surface of 16 horizontal part of positioning plate offers isometric with positioning plate 16
Silica gel slot 17, cooperation is equipped with silica gel sealing ring 18 in the silica gel slot 17, and the top of the silica gel sealing ring 18 offers close
Sealing groove 19, the bottom of the lifting plate 15 are equipped with and the matched insertion flange 20 of the seal groove 19, the filter screen 3 and lifting
The bottom of plate 15 connects；The bottom right side of the baking oven 1 is connected with baker 10 by discharge pipe 9.
1 inside of baking oven and the two sides for being located at filter screen 3 are respectively arranged with the first temperature sensor 7 and second temperature passes
Sensor 8,2 drying unit of lithium battery diaphragm further include PLC controller 27, man-machine interface 28 and alarm 29, first temperature
The signal output end of degree sensor 7 connects the first signal input part of the PLC controller 27, the second temperature sensing
The second signal input terminal of the signal output end connection PLC controller 27 of device 8, the first signal output of the PLC controller 27
End connects the signal input part of the man-machine interface 28, and the second signal output end of PLC controller 27 connects the alarm 29
Signal input part.
In above structure, blower 4 is directed wind into baking oven 1 by air inlet 5, passes through the heater 6 in preceding warm area first
It is heated, reaches the temperature requirement of drying, then hot wind is fallen the contaminant filter in air, hot wind passes through by filter screen 3
Discharge pipe 9 is simultaneously sprayed from baker 10, and the gas outlet of baker 10 corresponds to the surface of lithium battery diaphragm 2, to lithium battery diaphragm 2 into
Row drying, the two sides up and down for being distributed in lithium battery diaphragm 2 of 1 mirror symmetry of multiple groups baking oven of setting, to the upper of lithium battery diaphragm 2
Lower surface is dried simultaneously, effectively improves drying efficiency, while it is also possible that 2 two sides uniform force of lithium battery diaphragm, keeps away
Exempt from there is a phenomenon where crimping, is respectively set the first temperature sensor 7 and second temperature sensor 8 in the two sides of filter screen 3, first
Temperature sensor 7 can be with the temperature of 3 rear side of acquisition filter net with the temperature of the front side of acquisition filter net 3, second temperature sensor 8
The temperature information that degree, the first temperature sensor 7 and second temperature sensor 8 will test is transferred to PLC controller 27, PLC control
Device 27 processed handles signal, and the difference for calculating 3 two sides temperature of filter screen (when filter screen 3 blocks, is conducted heat and imitated
Fruit can be deteriorated, and will affect the effect dried to lithium battery diaphragm 2, the temperature difference of 3 two sides of filter screen can become larger), and by this difference with
The temperature allowable error value set is compared, if temperature gap has exceeded the temperature allowable error value of setting, PLC control
Device 27 outputs signal to alarm 29, and 29 warning reminding staff of alarm checks, meanwhile, PLC controller 27 can incite somebody to action
The temperature for 3 two sides of temperature information and calculated filter screen that first temperature sensor 7 and second temperature sensor 8 detect
Difference is shown in real time in man-machine interface 28, convenient record and observation in real time to this data, so set, staff exists
The working condition that can observe the filter screen 3 in each baking oven 1 in man-machine interface 28 in real time, when filter screen 3 blocks
When, staff can directly judge the specifically failure of which filter screen 3, can be directly to there is the mistake of plugging fault
Strainer 3 carries out investigation replacement, is not necessarily to complete machine maintenance down, improves overhaul efficiency and working efficiency；It, will when filter screen 3 is installed
Plate 15 is lifted to be pressed into through slot 21, the insertion flange 20 of lifting 15 bottom of plate with it is close at the top of silica gel sealing ring 18 on positioning plate 16
Sealing groove 19 cooperates, and can effectively play the role of sealing, prevent the loss of the heat in baking oven 1, while can also prevent
Only external aqueous vapor enters in baking oven 1, impacts to 1 internal components of baking oven.
Embodiment 2
As shown in Fig. 2, the present embodiment is on the basis of embodiment 1, the baker 10 includes being connected to the discharge pipe 9
Shell 11, air-flow buffer plate 12, the inside of four sides and shell 11 of air-flow buffer plate 12 are equipped with inside the shell 11
It is fixed by the connecting rod between wall, forms air-flow wind chamber 13 between the air-flow buffer plate 12 and the inner sidewall of shell 11, it is described
Shell 11 is far from being evenly equipped with several exhaust vents 14 on a side surface of discharge pipe 9, the exhaust vent 14 is towards lithium battery diaphragm 2
Surface, the exhaust vent 14 is in a circular table shape, and the osculum end of exhaust vent 14 is towards inside shell 11, the big opening end court of exhaust vent 14
To the surface of lithium battery diaphragm 2.Air-flow buffer plate 12 is set inside shell 11, plays the air-flow of buffering outlet air discharge pipe 9, this
Kind design is effective to be reduced because outlet air wind-force is excessive or the excessive bring unfavorable factor of air output, exhaust vent 14 are arranged to rotary table
Shape, and osculum end is inwardly, big opening end outwardly, can further reduce outlet air wind-force.
Embodiment 3
As shown in fig. 7, the present embodiment is on the basis of embodiment 1, offered on the opposite inner sidewall of the two of the baking oven 1
Sliding slot 24, the two sides of the filter screen 3 are slidably connected with sliding slot 24 described in two respectively.In two relative inners of baking oven 1
The sliding slot 24 cooperated with filter screen 3 is set on wall, during filter screen 3 mounts and dismounts, guiding can be played the role of.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (6)
1. a kind of lithium battery diaphragm drying unit, including multiple groups baking oven, the multiple groups baking oven is symmetrically distributed in lithium battery diaphragm
Two sides, which is characterized in that the side of the baking oven is equipped with air inlet, and the air inlet is connected with blower, and oven interior is close
Air inlet is equipped with heater, and middle part is equipped with filter screen vertically in baking oven, and the top of baking oven is equipped with and the filter screen position pair
The through slot answered, the interior cooperation of the through slot are equipped with lifting plate, and through slot is respectively and fixedly provided with L-shaped along the bottom of the two sides of baking oven length direction
Positioning plate, positioning plate described in two with respect to filter screen be in mirror symmetry, and the both ends of positioning plate respectively with the baking oven
Two opposite inner sidewalls are bonded, and the positioning plate has vertical part and the horizontal part, and the upper surface of positioning plate horizontal part offers and determines
The isometric silica gel slot of position plate, the interior cooperation of the silica gel slot are equipped with silica gel sealing ring, offer at the top of the silica gel sealing ring close
Sealing groove, the bottom of the lifting plate are equipped with and the matched insertion flange of the seal groove, the bottom of the filter screen and lifting plate
Connection；The baking oven is connected with baker by discharge pipe far from the bottom of air inlet side；
The oven interior and be located at filter screen two sides be respectively arranged with the first temperature sensor and second temperature sensor, should
Lithium battery diaphragm drying unit further includes PLC controller, man-machine interface and alarm, and the signal of first temperature sensor is defeated
Outlet connects the first signal input part of the PLC controller, the signal output end connection PLC control of the second temperature sensor
The second signal input terminal of device processed, the first signal output end of the PLC controller connect the signal input of the man-machine interface
End, the second signal output end of PLC controller connect the signal input part of the alarm.
2. lithium battery diaphragm drying unit according to claim 1, which is characterized in that the baker includes and the outlet air
The shell of pipe connection, the enclosure interior are equipped with air-flow buffer plate, are formed between the air-flow buffer plate and the inner sidewall of shell
Air-flow wind chamber, the shell is far from being evenly equipped with several exhaust vents on a side surface of discharge pipe, the exhaust vent is towards lithium battery
The surface of diaphragm.
3. lithium battery diaphragm drying unit according to claim 1, which is characterized in that offer and put at the top of the lifting plate
Slot is set, is equipped with handle flexible in the placing groove.
4. lithium battery diaphragm drying unit according to claim 1, which is characterized in that be hinged at the top of the baking oven and institute
State the strainer cover board of through slot cooperation.
5. lithium battery diaphragm drying unit according to claim 4, which is characterized in that on the opposite inner sidewall of the two of the baking oven
Sliding slot is offered, the two sides of the filter screen are slidably connected with sliding slot described in two respectively.
6. lithium battery diaphragm drying unit according to claim 1, which is characterized in that the filter screen includes double layer of metal net
Layer, mineral wool layer is equipped between two layers of metal net layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773105.0U CN209263606U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium battery diaphragm drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821773105.0U CN209263606U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium battery diaphragm drying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209263606U true CN209263606U (en) | 2019-08-16 |
Family
ID=67558342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821773105.0U Expired - Fee Related CN209263606U (en) | 2018-10-30 | 2018-10-30 | A kind of lithium battery diaphragm drying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209263606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762687A (en) * | 2019-11-04 | 2021-05-07 | 湖南众德新材料科技有限公司 | Two-sided drying device of lithium cell diaphragm |
| CN113091319A (en) * | 2021-04-01 | 2021-07-09 | 青岛海尔空调器有限总公司 | Anti-blocking detection method and device for fan heater and fan heater |
-
2018
- 2018-10-30 CN CN201821773105.0U patent/CN209263606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762687A (en) * | 2019-11-04 | 2021-05-07 | 湖南众德新材料科技有限公司 | Two-sided drying device of lithium cell diaphragm |
| CN113091319A (en) * | 2021-04-01 | 2021-07-09 | 青岛海尔空调器有限总公司 | Anti-blocking detection method and device for fan heater and fan heater |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20211030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |