CN109520434B - Online battery thickness measuring method and device - Google Patents
Online battery thickness measuring method and device Download PDFInfo
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- CN109520434B CN109520434B CN201811546138.6A CN201811546138A CN109520434B CN 109520434 B CN109520434 B CN 109520434B CN 201811546138 A CN201811546138 A CN 201811546138A CN 109520434 B CN109520434 B CN 109520434B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
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Abstract
The invention provides a battery on-line thickness measuring method, which comprises the following steps: 1) vertically placing the battery on a feeding line; 2) the battery is sent to a thickness measuring station of a material conveying line, two laser displacement sensors are respectively arranged on two opposite sides of the thickness measuring station, and the distance between the two laser displacement sensors is stored in a data processing component as first distance data in advance; 3) each laser displacement sensor measures the distance between the laser displacement sensor and the side face of the battery, and then the data processing component respectively obtains a pair of second distance data; 4) the data processing part subtracts the sum of the pair of second distance data from the first distance data to obtain a thickness value of the battery. The invention also provides an on-line thickness measuring device for the battery. Compared with the prior art, the invention can realize the on-line thickness measurement of the matching production line and effectively improve the overall production efficiency.
Description
Technical Field
The invention relates to a battery thickness measuring technology, in particular to a battery on-line thickness measuring method and device.
Background
In the production process of batteries, when the batteries produced in the front section flow to a sealing station through a feeding line, the thickness of the batteries needs to be measured before entering the inserting pins, and the batteries with the thickness exceeding the specified range need to be selected.
Disclosure of Invention
In view of this, the invention provides a method and a device for online thickness measurement of a battery, which can realize online thickness measurement of the battery to improve production efficiency.
Therefore, in one aspect, the invention provides a method for measuring the thickness of a battery on line, which comprises the following steps:
1) vertically placing the battery on a feeding line;
2) the battery is sent to a thickness measuring station of a material conveying line, two laser displacement sensors are respectively arranged on two opposite sides of the thickness measuring station, and the distance between the two laser displacement sensors is stored in a data processing component as first distance data in advance;
3) each laser displacement sensor measures the distance between the laser displacement sensor and the side face of the battery, and then the data processing component respectively obtains a pair of second distance data;
4) the data processing part subtracts the sum of the pair of second distance data from the first distance data to obtain a thickness value of the battery.
Further, the two laser displacement sensors continuously measure the distance in the moving process of the battery to obtain a plurality of pairs of second distance data, the data processing part obtains a plurality of thickness values of the battery according to the step 4), and the highest value is compared with the set thickness value range.
Furthermore, the battery with the highest value within the set thickness value range is treated as qualified material, and the battery with the highest value not within the set thickness value range is treated as unqualified material.
On the other hand, the invention provides a battery on-line thickness measuring device which is arranged on a battery feeding line and comprises:
the mounting base station comprises two parallel table-board units which are respectively arranged on two opposite sides of the battery feeding line;
the laser displacement sensors are respectively arranged on the two table-board units, the distance between each pair of laser displacement sensors is used as first distance data, the laser displacement sensors respectively measure the distance between each pair of laser displacement sensors and the side surface of the battery, and then at least one pair of second distance data is obtained;
and a data processing unit which obtains the first distance data and the at least one pair of second distance data, subtracts the sum of the at least one pair of second distance data from the first distance data to obtain a thickness value of the battery, compares the obtained thickness value with a set thickness value range, treats the battery in the set thickness value range as a non-defective material, and treats the battery not in the set thickness value range as a non-defective material.
Further, the above-mentioned online thickness measuring device of battery still includes:
a pair of separation cylinders respectively mounted on the two table units;
a pair of first photosensors mounted on the two table units, respectively;
a pair of second photosensors respectively mounted on the two table units;
a pair of barrier cylinders respectively mounted on the two table units;
the pair of separation cylinders, the pair of first photoelectric sensors, the pair of second photoelectric sensors and the pair of blocking cylinders are sequentially arranged along the length direction of the battery feeding line;
a product sensor disposed between the pair of separation cylinders and the pair of blocking cylinders;
when the battery flows to the pair of first photoelectric sensors through the battery feeding line, the pair of first photoelectric sensors sense the battery to close the pair of blocking cylinders, the pair of second photoelectric sensors sense the battery to close the pair of separating cylinders, when the sensing switch does not sense the battery, the pair of separating cylinders are opened, the pair of blocking cylinders block the battery, the product sensor can sense the battery and upload a sensing signal to the data processing part, and the data processing part opens the pair of blocking cylinders.
Further, the product sensor is a code scanning lens.
Further, the above-mentioned online thickness measuring device of battery still includes:
a pair of third photoelectric sensors respectively mounted on the two table units;
a pair of fourth photosensors mounted on the two table units, respectively;
the pair of third photoelectric sensors and the pair of fourth photoelectric sensors are sequentially arranged along the length direction of the battery feeding line;
when the battery reaches the position of the pair of third photoelectric sensors, the laser displacement sensor starts to work, the battery continues to move, and when the pair of fourth photoelectric sensors sense the battery, the laser displacement sensor is closed.
Further, the above-mentioned online thickness measuring device of battery still includes:
the pair of material blocking cylinders are respectively arranged on the two table-board units;
the material pushing cylinder and the unqualified material platform are respectively arranged on the two table-board units;
the fifth photoelectric sensor is arranged between the material pushing cylinder and the unqualified material platform;
if the battery is a qualified battery, the data processing part controls the pair of material blocking cylinders not to be opened, and the qualified battery is continuously sent to the next station;
if the battery is an unqualified battery, the data processing part controls the pair of material blocking cylinders to be opened, the fifth photoelectric sensor senses the battery, and the material pushing cylinder pushes the battery to an unqualified material platform.
Further, be provided with spring depression bar and material inductor in the above-mentioned unqualified material platform, the material inductor senses the battery of accumulation and to sending cue signal.
Further, the material sensor is a proximity switch.
The invention provides a method and a device for on-line thickness measurement of a battery, which mainly adopt a laser displacement sensor to carry out on-line thickness measurement operation, and the principle is that the distance between two sensors is calibrated to be a fixed value, each sensor measures the distance between the sensor and a measured object, and then the two measured values are subtracted from the calibrated value, so that the thickness of the measured object is obtained; therefore, compared with the prior art, the online thickness measurement of the matching production line can be realized, and the overall production efficiency is effectively improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a top view of an on-line thickness measuring device for a battery according to an embodiment of the present invention;
fig. 2 is a perspective view of an online thickness measuring device for a battery according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The first embodiment is as follows:
the embodiment of the invention provides an on-line thickness measuring method for a battery, which comprises the following steps:
1) vertically placing the battery on a feeding line;
2) the battery is sent to a thickness measuring station of a material conveying line, two laser displacement sensors are respectively arranged on two opposite sides of the thickness measuring station, and the distance between the two laser displacement sensors is stored in a data processing component as first distance data in advance;
3) each laser displacement sensor measures the distance between the laser displacement sensor and the side face of the battery, and then the data processing component respectively obtains a pair of second distance data;
4) the data processing part subtracts the sum of the pair of second distance data from the first distance data to obtain a thickness value of the battery.
Specifically, the two laser displacement sensors continuously measure the distance in the moving process of the battery to obtain multiple pairs of second distance data, the data processing part obtains multiple thickness values of the battery according to the step 4), and the highest value is compared with the set thickness value range;
and more specifically, treating the battery with the highest value within the set thickness value range as a qualified material, and treating the battery with the highest value not within the set thickness value range as an unqualified material.
Referring to fig. 1 to 2, an on-line thickness measuring device for a battery according to an embodiment of the present invention is shown, which is installed on a battery feeding line 1, and includes:
the mounting base 2 comprises two parallel table-board units 21 which are respectively arranged at two opposite sides of the battery feeding line 1;
a pair of laser displacement sensors 3 (which may also be provided as multiple pairs), each pair of laser displacement sensors 3 being respectively mounted on the two table units 21, the distance between each pair of laser displacement sensors being used as the first distance data, and each pair of laser displacement sensors respectively measuring the distance between each pair of laser displacement sensors and the side surface of the battery, and then obtaining at least one pair of second distance data;
and a data processing unit which obtains the first distance data and the pair of second distance data, subtracts the sum of the pair of second distance data from the first distance data to obtain a thickness value of the battery, compares the obtained thickness value with a set thickness value range, treats the battery in the set thickness value range as a qualified material, and treats the battery not in the set thickness value range as a unqualified material.
The method and the device for on-line thickness measurement of the battery mainly adopt the laser displacement sensor to carry out on-line thickness measurement operation, and the principle is that the distance between two sensors is calibrated to be a fixed value, each sensor measures the distance between the sensor and a measured object, and then the two measured values are subtracted from the calibrated value, so that the thickness of the measured object is obtained; therefore, compared with the prior art, the online thickness measurement of the matching production line can be realized, and the overall production efficiency is effectively improved.
Meanwhile, by utilizing the principle, the thickness of the battery can be rapidly and continuously measured, during the measurement, all data can be subjected to pre-summation calculation through the data connection module, then the highest value, the lowest value and the average value are obtained, and at the moment, the average value can be compared with the thickness value range, so that the comparison result is more accurate.
Example two:
referring to fig. 1 to fig. 2, a battery on-line thickness measuring method and device provided by a second embodiment of the present invention are shown, which are further improved based on the first embodiment as follows: also provided are: a pair of separation cylinders 22 respectively mounted on the two table units 21; a pair of first photosensors 231 mounted on the two table units 21, respectively; a pair of second photosensors 232 mounted on the two table units 21, respectively; a pair of barrier cylinders 24 respectively mounted on the two table units 21; the pair of separation cylinders 22, the pair of first photosensors 231, the pair of second photosensors 232, and the pair of barrier cylinders 24 are arranged in this order along the length direction of the battery feeding line 1; a product sensor 25 disposed between the pair of separation cylinders 22 and the pair of barrier cylinders 24;
when the battery flows to a pair of first photoelectric sensors 231 through the battery feeding line 1, the pair of first photoelectric sensors 231 sense the battery to close a pair of blocking cylinders 24, the pair of second photoelectric sensors 232 sense the battery to close a pair of separating cylinders 22, and when the sensing switch does not sense the battery, the pair of separating cylinders 22 are opened, at the moment, the pair of blocking cylinders 24 block the battery, the product sensor 25 senses the battery and uploads a sensing signal to the data processing part, and the data processing part opens the pair of blocking cylinders 24; the product sensor 25 may be a code scanning lens.
Through the arrangement of the structure, the battery can enter the pre-preparation function between thickness measurement, and the material overstock of the battery can be effectively prevented, so that the thickness measurement precision of the thickness is influenced.
Example three:
referring to fig. 1 to fig. 2, a battery on-line thickness measuring method and device provided by a third embodiment of the present invention are shown, which are further improved based on the first embodiment as follows: also provided are: a pair of third photosensors 261 mounted on the two table units 21, respectively; a pair of fourth photosensors 262 mounted on the two table units 21, respectively; a pair of third photosensors 261 and a pair of fourth photosensors 262 are arranged in this order along the longitudinal direction of the battery feeding line 1;
when the battery reaches the position of the pair of third photoelectric sensors 261, the laser displacement sensor 3 starts to work, the battery continues to run, and when the pair of fourth photoelectric sensors 262 sense the battery, the laser displacement sensor 3 is turned off.
Through the arrangement of the structure, the laser displacement sensor can be accurately opened and closed, so that the laser displacement sensor does not need to be in an opening state all the time, and the thickness measuring effect and efficiency are ensured.
Example four:
referring to fig. 1 to fig. 2, a method and an apparatus for on-line thickness measurement of a battery according to a fourth embodiment of the present invention are shown, which are further improved based on the first embodiment: also provided are: a pair of material blocking cylinders 27 which are respectively arranged on the two table-board units 21; the material pushing cylinder 271 and the unqualified material platform 272 are respectively arranged on the two table-board units 21; a fifth photoelectric sensor 273 disposed between the material pushing cylinder 271 and the unqualified material platform 272;
if the battery is qualified, the data processing part controls the pair of material blocking cylinders 27 not to be opened, and the qualified battery is continuously sent to the next station; if the battery is an unqualified battery, the data processing part controls the pair of material blocking air cylinders 27 to be opened, the fifth photoelectric sensor 273 senses the battery, and the material pushing air cylinder 271 pushes the battery to the unqualified material platform 272.
Through the arrangement of the structure, the qualified materials and the unqualified materials can be rapidly distinguished and distributed, so that the overall production efficiency is improved.
Example five:
referring to fig. 1 to fig. 2, a battery on-line thickness measuring method and device provided by a fifth embodiment of the present invention are shown, which are further improved based on the first embodiment as follows: a spring pressure rod 274 and a material sensor 275 are arranged in the unqualified material platform 272, the material sensor 275 senses the accumulated batteries and sends out prompt signals, and the material sensor 275 can be specifically a proximity switch. Through the setting of above-mentioned structure, can realize neatly piling up to the material, make the structure more compact, and occupation space not, and can also set up a plurality of annular protruding muscle that distribute along the axial equidistance of depression bar on the spring compression bar, make the battery can utilize setting up of annular protruding muscle to separate the battery on the one hand, and can also be provided with many on the surface of annular protruding muscle along the S-shaped protruding muscle of the circumference equidistance distribution of annular protruding muscle, make heat and the dust on the surface of battery can form outside quick water conservancy diversion along the S-shaped passageway of two adjacent S-shaped protruding muscle, and the air current of water conservancy diversion department can utilize the S-shaped structure to form the vortex, make heat and dust can concentrate a point and collect, improve collection efficiency.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. An online thickness measuring device for a battery, which is arranged on a battery feeding line (1), is characterized by comprising:
the mounting base (2) comprises two parallel table-board units (21) which are respectively arranged on two opposite sides of the battery feeding line (1);
at least one pair of laser displacement sensors (3), wherein each pair of laser displacement sensors (3) is respectively arranged on the two table-board units (21), the distance between each pair of laser displacement sensors is used as first distance data, the distance between each pair of laser displacement sensors and the side surface of the battery is respectively measured by each pair of laser displacement sensors, and then at least one pair of second distance data is obtained;
a data processing unit that obtains the first distance data and the at least one pair of second distance data, subtracts the sum of the at least one pair of second distance data from the first distance data, and obtains a thickness value of the battery, compares the obtained thickness value with a set thickness value range, treats the battery within the set thickness value range as a non-defective material, and treats the battery not within the set thickness value range as a non-defective material;
the material blocking cylinders (27) are respectively arranged on the two table-board units (21);
the material pushing cylinder (271) and the unqualified material platform (272) are respectively arranged on the two table-board units (21);
a fifth photoelectric sensor (273) arranged between the material pushing cylinder (271) and the unqualified material platform (272);
if the battery is qualified, the data processing part controls the pair of material blocking cylinders (27) not to be opened, and the qualified battery is continuously sent to the next station;
if the battery is an unqualified battery, the data processing part controls the pair of material blocking cylinders (27) to be opened, the fifth photoelectric sensor (273) senses the battery, and the material pushing cylinder (271) pushes the battery to an unqualified material platform (272);
a spring pressure rod (274) and a material sensor (275) are arranged in the unqualified material platform (272), and the material sensor (275) senses the accumulated batteries and sends out a prompt signal;
set up a plurality of along on spring depression bar (274) the annular protruding muscle of the axial equidistance distribution of spring depression bar (274) for the battery can utilize the setting of annular protruding muscle separates the battery, and can also be provided with many on the surface of annular protruding muscle along the S-shaped protruding muscle of the circumference equidistance distribution of annular protruding muscle makes the heat and the dust on the surface of battery can be along adjacent two S-shaped passageway between the S-shaped protruding muscle forms outside quick water conservancy diversion, and the air current of water conservancy diversion department can utilize the S-shaped passageway forms the vortex, makes heat and dust can concentrate a point and collect.
2. The online thickness measuring device for the battery as claimed in claim 1, further comprising:
a pair of separation cylinders (22) respectively mounted on the two table units (21);
a pair of first photosensors (231) mounted on the two tabletop units (21), respectively;
a pair of second photosensors (232) mounted on the two tabletop units (21), respectively;
a pair of barrier cylinders (24) respectively mounted on the two table units (21);
the pair of separation cylinders (22), the pair of first photoelectric sensors (231), the pair of second photoelectric sensors (232), and the pair of barrier cylinders (24) are sequentially arranged along the length direction of the battery feeding line (1);
a product sensor (25) disposed between the pair of separation cylinders (22) and the pair of barrier cylinders (24);
when the battery flows to the pair of first photoelectric sensors (231) through the battery feeding line (1), the pair of first photoelectric sensors (231) sense that the battery closes the pair of blocking cylinders (24), the pair of second photoelectric sensors (232) sense that the battery closes the pair of separating cylinders (22), when the sensing switch does not sense the material, the pair of separating cylinders (22) are started, at the moment, the pair of blocking cylinders (24) block the battery, the product sensor (25) senses the battery and uploads a sensing signal to the data processing part, and the data processing part opens the pair of blocking cylinders (24).
3. The on-line thickness measuring device of battery as claimed in claim 2, wherein the product sensor (25) is a code scanning lens.
4. The online thickness measuring device for the battery as claimed in claim 1, further comprising:
a pair of third photosensors 261 mounted on the two tabletop units 21, respectively;
a pair of fourth photosensors (262) mounted on the two tabletop units (21), respectively;
the pair of third photosensors (261) and the pair of fourth photosensors (262) are arranged in this order along the longitudinal direction of the battery feeding line (1);
when the battery reaches the position of the pair of third photoelectric sensors (261), the laser displacement sensor (3) starts to work, the battery continues to move, and when the pair of fourth photoelectric sensors (262) sense the battery, the laser displacement sensor (3) is closed.
5. The on-line thickness measuring device of battery as claimed in claim 1, wherein the material sensor (275) is a proximity switch.
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| KR20210025404A (en) * | 2019-08-27 | 2021-03-09 | 주식회사 엘지화학 | Thickness measurement apparatus and thickness measurement apparatus for unit cell |
| CN110906873A (en) * | 2019-12-13 | 2020-03-24 | 赫得纳米科技（黄石）有限公司 | Automatic thickness measuring machine for touch display screen |
| CN112556588A (en) * | 2020-11-30 | 2021-03-26 | 珠海冠宇电池股份有限公司 | Online thickness measuring device and method for battery seal |
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