CN207368082U - The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries - Google Patents

The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries Download PDF

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Publication number
CN207368082U
CN207368082U CN201721196221.6U CN201721196221U CN207368082U CN 207368082 U CN207368082 U CN 207368082U CN 201721196221 U CN201721196221 U CN 201721196221U CN 207368082 U CN207368082 U CN 207368082U
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China
Prior art keywords
pole piece
battery pole
cell size
optical sensor
fibre optical
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CN201721196221.6U
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张龙
张伟
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Tianjin Lishen Battery JSCL
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Tianjin Lishen Battery JSCL
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model discloses the battery pole piece main body (1) of a kind of monitoring device of coating slurry on electrodes of lithium-ion batteries, including cross direction profiles, there is cell size the area of application (5) on the battery pole piece main body (1);The front upper place and back upper place of the battery pole piece main body (1) are respectively arranged with a fibre optical sensor (2);Each fibre optical sensor (2) is connected with a fiber amplifier (3) respectively;Buzzer siren (4), is connected with fiber amplifier (3), for after the cell size race side standby signal that fiber amplifier (3) is sent is connected to, issuing the user with audible alarm in real time.When the utility model can carry out longitudinal cell size coating on the battery pole piece surface to cross direction profiles, monitor change width of the cell size on battery pole piece surface in real time, and according to offset size of the cell size on battery pole piece surface, slurry coating is carried out to battery worker in time and corrects prompting, ensures the quality of production of battery pole piece.

Description

The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries
Technical field
Battery technology field is the utility model is related to, more particularly to a kind of prison of coating slurry on electrodes of lithium-ion batteries Control device.
Background technology
At present, lithium ion battery have the advantages that voltage it is high, it is higher than energy, recycle often, storage time it is long, no Only such as mobile phone, DV and laptop computer is used widely on a portable electronic device, and extensively should In terms of for the large and medium-sized electrical equipment such as electric automobile, electric bicycle and electric tool, therefore to the peace of lithium ion battery Require entirely higher and higher.In lithium ion battery production process, the coating process to battery pole piece is whole lithium battery manufacture It is particularly important that bottleneck, quality monitoring to the coating process of battery pole piece.
It is continuously improved with the performance of battery pole piece slurry coating machine, the coating to battery pole piece requires also greatly Improve, especially in the surface longitudinal coating slurry of the battery pole piece to cross direction profiles, to ensure battery pole piece after progress The continuous reasonable and operability operation such as roll, cut, when to the battery pole piece longitudinal application slurries of cross direction profiles, it is ensured that The offset (being the width extent that cell size protrudes battery pole piece surface) of coating slurry is being preset just on battery pole piece surface In normal width distance (being, for example, 0.5mm), subsequent request just can guarantee that.And in coating process, battery pole piece can be subject to The factors such as the problem of force majeure and equipment itself, cause the offset of coating slurry to be thereon more than default normal width distance.
At present, it is usually logical in order to judge the offset of coating slurry on battery pole piece whether in predetermined width distance Cross battery production worker with the mode of eye-observation to be judged, be highly dependent on the knowhow of worker, not only accuracy rate is low, And the identification judging efficiency of worker is low, once it cannot find in time, or the adjustment to coating slurry on battery pole piece is excessive, just The heavy losses of battery pole piece will be caused, influence the quality of production of battery pole piece, and then seriously affect the whole of lithium ion battery The body quality of production and efficiency.
Therefore, at present there is an urgent need to develop a kind of technology is gone out, it can be in the battery pole piece surface progress to cross direction profiles During longitudinal cell size coating, change width of the cell size on battery pole piece surface is monitored in real time, and exist according to cell size The offset size on battery pole piece surface, carries out slurry coating to battery worker in time and corrects prompting, so as to ensure coated with electricity The quality of production of the battery pole piece of pond slurry, ensures the production qualification rate of battery pole piece.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of monitoring dress of coating slurry on electrodes of lithium-ion batteries Put, when it can carry out longitudinal cell size coating on the battery pole piece surface to cross direction profiles, real time monitoring cell size exists The change width on battery pole piece surface, and according to offset size of the cell size on battery pole piece surface, in time to battery work People carries out slurry coating and corrects prompting, so as to ensure the quality of production of the battery pole piece coated with cell size, ensures battery pole The production qualification rate of piece, is conducive to widely promote and apply, is of great practical significance.
For this reason, the utility model provides a kind of monitoring device of coating slurry on electrodes of lithium-ion batteries, including transverse direction The battery pole piece main body of distribution, has cell size the area of application in the battery pole piece main body;
The front upper place and back upper place of the battery pole piece main body are respectively arranged with a fibre optical sensor;
The fibre optical sensor, in real time to output detection light beam immediately below it, and detect and whether judge its underface With cell size the area of application, if so, sending cell size to fiber amplifier in real time runs side standby signal;
Each fibre optical sensor is connected with a fiber amplifier respectively;
The fiber amplifier, the cell size for being exported to the fibre optical sensor, which runs side standby signal, to be put Greatly, it is then output to buzzer siren;
Buzzer siren, is connected with the fiber amplifier, in the battery for being connected to the fiber amplifier and sending After slurry runs side standby signal, audible alarm is issued the user with real time.
Wherein, each fibre optical sensor horizontal plane projection, in a longitudinal direction with before battery pole piece main body Normal width distance is preset at lateral edges or posterior edges interval.
Wherein, the default normal width distance is 0.5mm.
Wherein, described two fiber amplifiers are connected with same DC power supply.
Wherein, the buzzer siren is in parallel with a switch K.
Wherein, the fibre optical sensor is reflection-type optical fibre sensor, for detecting whether light beam is blocked according to it, is sentenced Whether its disconnected underface is cell size the area of application.
Wherein, the fibre optical sensor is color detection light pricker sensor, for according to the color immediately below it whether be Black, judges whether immediately below it be cell size the area of application.
Technical solution provided by the utility model is as it can be seen that compared with prior art, the utility model provides more than The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries, it can be indulged on the battery pole piece surface to cross direction profiles When being applied to cell size, change width of the cell size on battery pole piece surface is monitored in real time, and according to cell size in electricity The offset size of pond pole piece, when offset size of the cell size on battery pole piece surface be more than default normal width away from From when, in time to battery worker carry out slurry coating correct prompting so that ensure coated with cell size battery pole piece life Yield and quality, ensures the production qualification rate of battery pole piece, is conducive to widely promote and apply, is of great practical significance.
Brief description of the drawings
Fig. 1 is the structure square frame of the monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries provided by the utility model Figure;
Fig. 2 is a kind of implementation of the monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries provided by the utility model In example, the position relationship simplified schematic diagram between fibre optical sensor and coating slurry, cross drive battery pole piece;
In figure, 1 is battery pole piece main body, and 2 be fibre optical sensor, and 3 be fiber amplifier, and 4 be buzzer siren, and 5 be electricity Pond slurry coating region.
Embodiment
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and embodiment The utility model is described in further detail.
Referring to Fig. 1, Fig. 2, the utility model provides a kind of monitoring device of coating slurry on electrodes of lithium-ion batteries, bag The battery pole piece main body 1 of cross direction profiles is included, there is cell size the area of application 5 in the battery pole piece main body 1;
In specific implementation, during due to battery pole piece longitudinal application slurry, inevitably occurs coating slurry on battery pole piece surface The offset of material, described cell size the area of application 5 may have protrude from 1 forward edge of battery pole piece main body and/or The part of posterior edges.In the situation shown in fig. 2, described cell size the area of application 5, which has, protrudes from the battery pole piece The part of 1 posterior edges of main body, certainly, optimal coating state are described cell size the area of application 5 completely in the battery The surface of pole piece main body 1;
In the utility model, the front upper place and back upper place of the battery pole piece main body 1 are respectively arranged with an optical fiber and pass Sensor 2, i.e., described cell size the area of application 5 protrude from the part of 1 forward edge of battery pole piece main body or posterior edges Top be provided with a fibre optical sensor 2;
The fibre optical sensor 2, in real time to output detection light beam immediately below it, and detect the detection light beam whether by Stop, if so, it (is, for example, a step voltage letter to send cell size to run side standby signal to fiber amplifier 3 in real time Number);
Each fibre optical sensor 2 is connected with a fiber amplifier 3 respectively;
The fiber amplifier 3, the cell size for being exported to the fibre optical sensor 2, which runs side standby signal, to be put Greatly, it is then output to buzzer siren 4;
Buzzer siren 4, is connected with the fiber amplifier 3, in the electricity for being connected to the fiber amplifier 3 and sending After pond slurry runs side standby signal, audible alarm is issued the user with real time.
In the utility model, in specific implementation, each fibre optical sensor 2 horizontal plane projection, in longitudinal side Upwards normal width distance is preset with the forward edge of battery pole piece main body 1 or posterior edges interval.The default normal width away from From any setting can be carried out in advance according to the needs of user, the normal excursions of coating slurry on battery pole piece are preferably equal to Amount, i.e. cell size protrude the normal width extent of battery pole piece surface forward edge or posterior edges, the default normal width Distance is particularly preferred as 0.5mm.
, it is necessary to illustrate in the utility model, in specific implementation, shown in Figure 2, the fibre optical sensor 2 can Think reflection-type optical fibre sensor, the detection light beam that the fibre optical sensor 2 exports is blocked, illustrates to be currently located at the optical fiber The cell size the area of application 5 having in the battery pole piece main body 1 of the lower section of sensor 2, the slurry coating region 5 is beyond electricity The distance of the posterior edges of pond pole piece main body 1 is more than default normal width distance, and (i.e. described cell size the area of application 5 protrudes from The width of the part of 1 posterior edges of battery pole piece main body is more than default normal width distance) so as to the Fibre Optical Sensor The detection light beam of device 2 to output immediately below it forms barrier effect, therefore, it is outwards defeated further to trigger the fibre optical sensor 2 Go out cell size and run side standby signal.
, it is necessary to which explanation, buzzer siren 4 make a sound alarm in the utility model, it is therefore intended that prompting battery The users such as direct labor will in time remove to longitudinal application has the battery pole piece main body 1 of cell size at present and run side Slurry fractions (are that cell size is protruded beyond the part preset outside normal width distance on rear side of battery pole piece, such as Fig. 2 institutes Show, remove the part size protruded from outside battery pole piece posterior edges 0.5mm).
Therefore, for the utility model, it is possible to achieve battery pole piece edge of adjusting the distance is more than default normal width distance (such as The warning function of race side slurry 0.5mm).This structure can effectively improve the slurry coating precision of battery pole piece, ensure electricity The quality of production of pond pole piece, reduces the generation of the battery pole piece of slurry coating exception.
, it is necessary to which explanation, monitoring device provided by the utility model are mainly used for battery pole piece in the utility model Slurry coating machine head cross back flow roll at, coating machine to battery pole piece carry out longitudinal direction coating when, can be effectively to battery On pole piece the application width of cell size and run side situation (cell size protrude on rear side of battery pole piece beyond default normal width away from The situation of part from outside) it is monitored and alarm, indicating battery direct labor, in time to the slurry coating position of battery pole piece Put and be adjusted, and artificial removal has run the slurry on side.
In the utility model, in specific implementation, described two fiber amplifiers 3 (are, for example, with same DC power supply S The DC power supply of 24V) it is connected, so as to provide work electricity consumption by DC power supply for the whole monitoring device of the utility model.
In the utility model, in specific implementation, the buzzer siren 4 is in parallel with a switch K, by switch K Control whether the switch of the buzzer siren 4.
For the utility model, main purpose is to improve the coating quality of battery pole piece, ensures pole piece application width, Subsequent operation and technological requirement are ensured compliance with, while also improves the automation of the convenience and equipment of battery production operation Degree.
For the utility model, in specific implementation, shown in Figure 2 in the lump, for fibre optical sensor 2, it can be face Color detection light pricker sensor, the color detection light pricker sensor can be obtained by exporting detection light beam to underface to detect The color of object immediately below it, when it is black to detect the color obtained, illustrates there is black immediately below fibre optical sensor 2 Cell size, it can be said that bright be currently located at the battery slurry having in the battery pole piece main body 1 of the lower section of fibre optical sensor 2 Expect the area of application 5, which has been more than default normal beyond the distance of the posterior edges of battery pole piece main body 1 Width distance;It is white or other colors when detecting the color that obtains, illustrate do not have black immediately below fibre optical sensor 2 Cell size, that is to say, that the cell size the area of application 5 having in battery pole piece main body 1 is beyond the rear side of battery pole piece main body 1 The distance at edge is not greater than default normal width distance or the posterior edges without departing from battery pole piece main body 1.
For the utility model, layout and electrical control which can be by advantages of simple, effectively reduce pole piece Loss, improve battery pole piece quality and production qualification rate.
For the utility model, battery pole piece is in coating process, when the slurry applied on battery pole piece occurs necessarily Offset and offset be more than default normal width distance (for example, as shown in Figure 2 beyond battery pole piece main body posterior edges away from From more than 0.5mm) when, it can all trigger buzzer siren 4 and send alarm, warning battery production worker needs redjustment and modification.In life During production, battery production worker also can observe it whether there is what is waved and deviate by observing the change of fiber amplifier numerical value Situation occurs.
In conclusion compared with prior art, slurry is applied on a kind of electrodes of lithium-ion batteries provided by the utility model The monitoring device of material, when it can carry out longitudinal cell size coating on the battery pole piece surface to cross direction profiles, real time monitoring Cell size battery pole piece surface change width, and according to offset size of the cell size on battery pole piece surface, when Offset size of the cell size on battery pole piece surface be more than default normal width apart from when, battery worker is starched in time Prompting is corrected in material coating, so as to ensure the quality of production of the battery pole piece coated with cell size, ensures the production of battery pole piece Qualification rate, is conducive to widely promote and apply, is of great practical significance.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (7)

  1. A kind of 1. monitoring device of coating slurry on electrodes of lithium-ion batteries, it is characterised in that the battery pole including cross direction profiles Piece main body (1), has cell size the area of application (5) on the battery pole piece main body (1);
    The front upper place and back upper place of the battery pole piece main body (1) are respectively arranged with a fibre optical sensor (2);
    The fibre optical sensor (2), in real time to output detection light beam immediately below it, and detect and judge whether have immediately below it There is cell size the area of application (5), if so, sending cell size to fiber amplifier (3) in real time runs side standby signal;
    Each fibre optical sensor (2) is connected with a fiber amplifier (3) respectively;
    The fiber amplifier (3), the cell size for being exported to the fibre optical sensor (2), which runs side standby signal, to be put Greatly, it is then output to buzzer siren (4);
    Buzzer siren (4), is connected with the fiber amplifier (3), for being connected to what the fiber amplifier (3) was sent After cell size runs side standby signal, audible alarm is issued the user with real time.
  2. 2. monitoring device as claimed in claim 1, it is characterised in that throwing of each fibre optical sensor (2) in horizontal plane Shadow, presets normal width distance with the forward edge of battery pole piece main body (1) or posterior edges interval in a longitudinal direction.
  3. 3. monitoring device as claimed in claim 2, it is characterised in that the default normal width distance is 0.5mm.
  4. 4. monitoring device as claimed any one in claims 1 to 3, it is characterised in that described two fiber amplifiers (3) with Same DC power supply is connected.
  5. 5. monitoring device as claimed any one in claims 1 to 3, it is characterised in that the buzzer siren (4) and one Switch K is in parallel.
  6. 6. monitoring device as claimed any one in claims 1 to 3, it is characterised in that the fibre optical sensor (2) is reflection Formula fibre optical sensor, for detecting whether light beam is blocked according to it, judges whether immediately below it be cell size the area of application (5)。
  7. 7. monitoring device as claimed any one in claims 1 to 3, it is characterised in that the fibre optical sensor (2) is color Detection light pricker sensor, for whether being black according to the color immediately below it, judges immediately below it whether be that cell size applies Apply region (5).
CN201721196221.6U 2017-09-19 2017-09-19 The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries Active CN207368082U (en)

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Application Number Priority Date Filing Date Title
CN201721196221.6U CN207368082U (en) 2017-09-19 2017-09-19 The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721196221.6U CN207368082U (en) 2017-09-19 2017-09-19 The monitoring device of coating slurry on a kind of electrodes of lithium-ion batteries

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CN207368082U true CN207368082U (en) 2018-05-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659489A (en) * 2018-12-24 2019-04-19 时代上汽动力电池有限公司 Lithium battery coating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109659489A (en) * 2018-12-24 2019-04-19 时代上汽动力电池有限公司 Lithium battery coating method

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