CN111579035A - TFT glass BOD procedure rapid dynamic weighing system and weighing method - Google Patents
TFT glass BOD procedure rapid dynamic weighing system and weighing method Download PDFInfo
- Publication number
- CN111579035A CN111579035A CN202010281315.3A CN202010281315A CN111579035A CN 111579035 A CN111579035 A CN 111579035A CN 202010281315 A CN202010281315 A CN 202010281315A CN 111579035 A CN111579035 A CN 111579035A
- Authority
- CN
- China
- Prior art keywords
- weighing
- weight
- glass
- transport trolley
- plc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/033—Apparatus for opening score lines in glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention relates to a rapid dynamic weighing system for a BOD procedure of TFT glass, which comprises two groups of weighing devices and a plc; the group of weighing devices are arranged at the no-load weighing station and used for measuring the weight of the transport trolley; the other group of weighing devices are arranged at a load weighing station and used for measuring the weight of the transport trolley and the weight of the weighing glass; each group of weighing devices comprises two high-precision measuring scales which finish weight measurement together. A method for rapidly and dynamically weighing a TFT glass BOD procedure comprises the steps of firstly measuring the weight of a transport trolley, then measuring the weight of the transport trolley and the weight of the weighed glass, and taking the difference value to obtain the weight of the weighed glass; in the weighing process, the weight change curve of the current weight value of the weighing object is drawn through real-time measurement, the previous data fluctuating greatly is avoided through the calculation sampling frequency more than 200 milliseconds, whether the weighing is completed or not is judged according to the data of whether the weight change curve changes in a stable stage, and the plc can calculate the accurate weighing data at the first time conveniently.
Description
Technical Field
The invention relates to the field of glass substrate production, in particular to a system and a method for rapidly and dynamically weighing a BOD procedure of TFT glass.
Background
In the production process of the hot end of the glass substrate at present, the thickness of the substrate is required to be continuously thinned, so that the beat of the plate breaking process is further accelerated, the precision of plate weight data is required to be improved after thinning, the plate weight value is determined by the size of a drawn-out amount, the regulation of the drawn-out amount needs to be carried out manually, and the process requirement cannot be met after thinning.
Due to the particularity of the substrate glass production, the production which is not continuous causes great impact on the stability of the product quality and the consistency of the product, so that the production efficiency of the whole production line is influenced, the productivity is reduced, the PAC can be greatly increased, and the comprehensive yield of finished products is reduced.
The key problem that the rhythm of the BOD procedure can not meet the process requirement at present is the plate weight precision requirement of TFT thin plate (less than 0.5 mm) glass. The rhythm can not meet the requirements and the data are not consistent, so that the problems of unstable production, scrapped product parts, poor quality and the like can be caused. The factors of narrow working environment, large environmental airflow, vibration, total weight and the like in a BOD region bring difficulty to the layout and installation of high-precision weighing equipment, and have poor stability and low efficiency. The weighing precision cannot be improved through the high-precision weighing equipment. When the traditional method is used for measuring the weight of the glass plate, the measurement is carried out after the glass plate on the production line is in a stable state, the required time is long, whether the measured data is accurate or not after the glass plate is in the stable state cannot be judged, the data error is large, and it cannot be guaranteed that each product is measured and effective data is obtained.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a TFT glass BOD procedure rapid dynamic weighing system and a weighing method, which can obtain weighing data at the first time, are beneficial to improving the beat, have controllable weighing process, can be visually observed and automatically judge whether the weighing is finished.
The invention is realized by the following technical scheme:
a rapid dynamic weighing system for a BOD procedure of TFT glass comprises two groups of weighing devices and a plc;
one weighing device is arranged at the no-load weighing station and is used for measuring the weight of the transport trolley; the other group of weighing devices are arranged at a load weighing station and used for measuring the weight of the transport trolley and the weight of the weighing glass;
each group of weighing devices comprises two high-precision measuring scales, the two high-precision measuring scales finish weight measurement together, and the two high-precision measuring scales are connected with one high-precision scale instrument; the output end of the high-precision scale instrument is connected with the input end of a plc, and the output end of the plc is connected with a display device.
Preferably, the plc output end is further connected with an alarm device.
A method for rapidly and dynamically weighing a BOD procedure of TFT glass comprises the following steps based on the weighing system of any one of the above items,
step 4, after the weighed glass is loaded on the transport trolley, weighing the transport trolley and the weighed glass on the production line through a weighing device at a load weighing station, and outputting the current weight values of the transport trolley and the weighed glass in real time;
step 5, collecting the current weight values of the transport trolley and the weighing glass in real time by plc, and drawing a weight change curve of the current weight value output in real time;
step 6, when a weight change curve is drawn, the plc synchronously calculates the current weight values of the transport trolley and the weighing glass which are output in real time, the current weight values which are 200 milliseconds away from each other are used for calculating the difference, 3-4 continuous difference values are within a set error range, and the weight change curve is in a stable stage, and then the average value or the secondary weighted average value of 4-5 current weight values of the 3-4 difference values is calculated to represent the weight of the transport trolley and the weighing glass;
and 7, the plc calculates the difference between the weight of the transport trolley obtained in the step 3 and the weight of the transport trolley obtained in the step 6 and the weighed glass, and the difference value is taken to represent the real weight of the weighed glass.
Preferably, in the process of production weight measurement, glass transportation is stopped randomly, the step 1-the step 3 are repeated on the weighing device of the no-load weighing station to repeatedly weigh the same transport trolley, the average value of multiple weighing results and the real weight of the same transport trolley under the condition of complete rest under the line are obtained for difference, and the compensation value of the weighing device of the no-load weighing station is determined according to the difference value.
Furthermore, after the production weight measurement runs for a long time, the weight value of the same transport trolley is repeatedly measured through the weighing device of the no-load weighing station, the average value of the weight values for multiple times is compared with the weight value of the same transport trolley which is completely static under the line, and the weighing data and the compensation value are rechecked to verify whether to be accurate.
Preferably, in the process of production and weight measurement, production and transportation are stopped randomly, the same transport trolley and the weighing glass are repeatedly weighed in the weighing device of the load weighing station in the steps 4 to 6, the average value of multiple weighing results and the real weight of the same transport trolley and the weighing glass which are completely static under the line are taken for difference calculation, and the compensation value of the weighing device of the load weighing station is determined according to the difference value.
Furthermore, after the production weight measurement runs for a long time, the weight values of the same transport trolley and the weighing glass are repeatedly measured through a weighing device of the load weighing station, the average value of the weight values for multiple times is compared with the weight values of the same transport trolley and the weighing glass which are completely static under the line, and the weighing data and the compensation value are rechecked to verify whether to be accurate or not.
Preferably, the weighing device of the no-load weighing station transmits weight data of a plurality of transport trolleys to the plc, the plc numbers and records the weight data of the transport trolleys, in the subsequent weighing process, the steps 4 to 6 are only repeated to measure the weight of the transport trolleys and the weighed glass, the plc calculates according to the serial number of the transport trolleys, and the real weight of the weighed glass is output.
Preferably, the weighing time and the weighing error are set in the plc, and the output end of the plc is connected with an alarm device to alarm that no weighing data or weighing result has large precision deviation for a long time.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the rapid dynamic weighing system for the BOD procedure of the TFT glass, the weight of the transport trolley, the transport trolley and the weighed glass is measured through the two weighing devices, the weight of the weighed glass is obtained by taking the difference value, the error in the weighing process is reduced, and the precision is improved. The weighing is completed by the two high-precision measuring scales, the measuring range of the weighing device is ensured, the influence on the high-precision weighing equipment caused by the factors such as narrow working environment is eliminated, and the weighing error is reduced. The measuring process is monitored through the display device, the weighing time is shortened, and the convenience of operation is improved.
Furthermore, the plc output end is also connected with an alarm device, and the alarm device alarms that no weighing data exists for a long time or the precision deviation of weighing results is large. And the fault is timely alarmed and prompted, so that the fault expansion is avoided.
A method for rapidly and dynamically weighing a TFT glass BOD procedure comprises the steps of firstly measuring the weight of a transport trolley, then measuring the weight of the transport trolley and the weight of the weighed glass, and taking the difference value to obtain the weight of the weighed glass; in the weighing process, the weight change curve of the current weight value of the weighing object is drawn through real-time measurement, the previous data fluctuating greatly is avoided through the calculation sampling frequency more than 200 milliseconds, whether the weighing is completed or not is judged according to the data of whether the weight change curve changes in a stable stage, and the plc can calculate the accurate weighing data at the first time conveniently.
Further, in the process of production weight measurement, glass transportation is stopped randomly, the same transport trolley is repeatedly weighed by the weighing device at the no-load weighing station, the average value of multiple weighing results and the real weight of the same transport trolley under the condition of complete rest under the line are obtained for difference, and the compensation value of the weighing device at the no-load weighing station is determined according to the difference value. And eliminating errors in the dynamic weighing process by calculating a compensation value.
Furthermore, after the production weight measurement runs for a long time, the weight value of the same transport trolley is repeatedly measured through the weighing device of the no-load weighing station, the average value of the weight values for multiple times is compared with the weight value of the same transport trolley which is completely static under the line, and the weighing data and the compensation value are rechecked to verify whether to be accurate. The accuracy of the scale is verified through rechecking, and the influence of overlong service time on a measurement result is prevented.
Further, the weighing device of the no-load weighing station transmits the weight data of a plurality of transport trolleys to the plc, the plc numbers the transport trolleys and records the weight data, in the subsequent weighing process, the plc only measures the weight of the transport trolleys and the weighed glass, the plc calculates according to the serial number of the transport trolleys, and the real weight of the weighed glass is output. Save the time of weighing, increase the efficiency of weighing.
Drawings
FIG. 1 is a front view of a high precision scale weighing apparatus of the present invention;
FIG. 2 is a side view of the high precision scale weighing apparatus of the present invention;
FIG. 3 is a schematic view of the connection of two high precision scale weighing devices of the present invention;
FIG. 4 is a schematic view of a weighing system station of the present invention;
FIG. 5 is a flow chart of a method for synchronously acquiring dynamic weighing data according to a process of the present invention;
FIG. 6 is a schematic view of a measured weight variation curve of the weighing apparatus of the present invention;
in the figure: 1 is a weighing device; 2, weighing glass; and 3, a high-precision scale instrument.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in fig. 1 to 4, a TFT glass BOD process rapid dynamic weighing system comprises two sets of weighing devices 1 and plc;
the group of weighing devices 1 are arranged at a no-load weighing station and used for measuring the weight of the transport trolley; the other group of weighing devices 1 are arranged at a load weighing station and used for measuring the weight of the transport trolley and the weighing glass 2;
each group of weighing devices 1 comprises two high-precision measuring scales, the two high-precision measuring scales finish weight measurement together, and the two high-precision measuring scales are connected with one high-precision scale instrument 3; the output end of the high-precision scale instrument 3 is connected with the input end of a plc, and the output end of the plc is connected with a display device.
And the plc output end is also connected with an alarm device to alarm that no weighing data or weighing result has large precision deviation for a long time.
Adopt the duplex position to weigh, set up and carry out the weighing of travelling bogie at the weighing device 1 of no-load weighing station, carry out the weighing of dolly and glass board at the weighing device 1 of load weighing station, the weighing data that weighing device 1 of no-load weighing station obtained is subtracted to the weighing data that weighing device 1 of load weighing station obtained to the weight of weighing glass 2, saves the time of weighing, reduces the influence of travelling bogie self weight difference to the glass result of weighing.
Every weighing device 1 includes two high accuracy measurement scales in, uses a high accuracy scale instrument 3 to control two high accuracy measurement scales and accomplish the check weighing operation of same glass 2 base plates of weighing jointly respectively, avoids the high accuracy measurement scale range not enough to produce the influence to measuring result, reduces weighing device's cost, increases the efficiency of weighing.
As shown in FIGS. 5 and 6, the method for rapidly and dynamically weighing the BOD procedure of the TFT glass comprises the following steps;
step 4, after the weighing glass 2 is loaded on the transport trolley, weighing the transport trolley and the weighing glass 2 on the production line through the weighing device 1 at a load weighing station, and outputting the current weight values of the transport trolley and the weighing glass 2 in real time;
step 5, collecting the current weight values of the transport trolley and the weighing glass 2 in real time by plc, and drawing a weight change curve of the current weight value output in real time;
step 6, when a weight change curve is drawn, the plc synchronously calculates the current weight values of the transport trolley and the weighing glass 2 which are output in real time, the current weight values which are separated by more than 200 milliseconds before and after two times are used for calculating the difference, 3-4 continuous difference values are within a set error range, and the weight change curve is in a stable stage, and then the average value or the secondary weighted average value of 4-5 current weight values of the 3-4 difference values is calculated to represent the weight of the transport trolley and the weighing glass 2;
and 7, the plc calculates the difference between the weight of the transport trolley obtained in the step 3 and the weight of the transport trolley obtained in the step 6 and the weighed glass 2, and the difference value is taken to represent the real weight of the weighed glass 2.
In the process of production weight measurement, glass transportation is stopped randomly, the weighing device 1 at the no-load weighing station repeats the steps 1-3 to repeatedly weigh the same transport trolley, the average value of multiple weighing results and the real weight of the same transport trolley under the condition of complete rest under the line are used for calculating the difference, and the compensation value of the weighing device 1 at the no-load weighing station is determined according to the difference. Further improve the weighing precision, if can set as 0 when not applicable because weight deviation is too big, or more suitable different grades of compensation numerical value carry out the gradient compensation, need a certain amount of data accumulation to confirm the gradient compensation volume. And in the process of calculating the compensation value, the glass produced in the previous procedure is scrapped.
After the production weight measurement is carried out for a long time, the weight value of the same transport trolley 2 is repeatedly measured through the weighing device 1 of the no-load weighing station, the average value of the weight values for multiple times is compared with the weight value of the same transport trolley 2 which is completely static under the line, and the check is carried out to verify whether the weighing data and the compensation value are accurate or not.
In the process of production and weight measurement, production and transportation are stopped randomly, the same transport trolley and the weighing glass 2 are repeatedly weighed in the weighing device 1 of the load weighing station by repeating the steps 4-6, the average value of multiple weighing results and the real weight of the same transport trolley and the weighing glass 2 which are completely static under the line are taken for difference calculation, and the compensation value of the weighing device 1 of the load weighing station is determined according to the difference value.
After the production weight measurement is carried out for a long time, the weight values of the same transport trolley and the weighing glass 2 are repeatedly measured through the weighing device 1 of the load weighing station, the average value of the weight values for a plurality of times is compared with the weight values of the same transport trolley and the weighing glass 2 which are completely static under the line, and the check is carried out to verify whether the weighing data and the compensation value are accurate or not.
The weighing device 1 of the no-load weighing station transmits the weight data of a plurality of transport trolleys to the plc, the plc records the serial numbers and the weight data of the transport trolleys, in the subsequent weighing process, the steps 4-6 are only repeated to measure the weight of the transport trolleys and the weighing glass 2, the plc calculates corresponding to the serial numbers of the transport trolleys, and the real weight of the weighing glass 2 is output.
After the plc collects data, a weight change curve is displayed through a trend sampling function of a touch screen of the display device, so that the weight change curve can be observed in real time, the operation of staff is guided, and the equipment utilization rate is further improved.
And outputting the real weight of the compensated weighing glass 2 to a DCS (distributed control System) by the plc, participating in accurate control, and preparing basic data for subsequent lead-out quantity control.
According to the frequency and the amplitude of the weight change curve, the sampling frequency is generally set to be more than 200 milliseconds, the error of the previous data with large fluctuation on the measurement result is avoided, and the data of the weight change curve in a stable stage is taken to calculate and output the result.
Through setting for the time of weighing and the error of weighing in the plc, alarm device is connected to the output of plc, if external changes such as machinery cause no weighing data or precision deviation for a long time, but in time the suggestion of reporting to the police, avoid the trouble to enlarge.
Claims (9)
1. A rapid dynamic weighing system for a BOD procedure of TFT glass is characterized by comprising two groups of weighing devices (1) and plc;
the two weighing devices (1), one weighing device (1) is arranged at a no-load weighing station and is used for measuring the weight of the transport trolley; the other group of weighing devices (1) are arranged at a load weighing station and used for measuring the weight of the transport trolley and the weighing glass (2);
each group of weighing devices (1) comprises two high-precision measuring scales, the two high-precision measuring scales finish weight measurement together, and the two high-precision measuring scales are connected with one high-precision scale instrument (3); the output end of the high-precision scale instrument (3) is connected with the input end of a plc, and the output end of the plc is connected with a display device.
2. The TFT glass BOD process rapid dynamic weighing system according to claim 1, wherein the plc output terminal is further connected with an alarm device.
3. A method for rapid dynamic weighing of a BOD process of TFT glass, which is characterized in that based on the weighing system of any one of claims 1-2, the method comprises the following steps,
step 1, weighing a transport trolley on a production line through a weighing device (1) at a no-load weighing station, and outputting the current weight value of the transport trolley in real time;
step 2, collecting the current weight value of the transport trolley in real time by the plc, and drawing a weight change curve of the current weight value output in real time;
step 3, when a weight change curve is drawn, the plc synchronously calculates the current weight value of the transport trolley output in real time, the current weight values of the transport trolley output in real time are subtracted by the current weight values of the transport trolley which are separated by 200 milliseconds at two times, 3-4 continuous difference values are all in a set error range, and the weight change curve is in a stable stage, and then the average value or the secondary weighted average value of 4-5 current weight values of the 3-4 difference values is calculated to represent the weight of the transport trolley;
step 4, after the weighing glass (2) is loaded on the transport trolley, weighing the transport trolley and the weighing glass (2) on the production line through the weighing device (1) at a load weighing station, and outputting the current weight values of the transport trolley and the weighing glass (2) in real time;
step 5, collecting the current weight values of the transport trolley and the weighing glass (2) in real time by plc, and drawing a weight change curve of the current weight value output in real time;
step 6, calculating the current weight values of the transport trolley and the weighing glass (2) which are output in real time synchronously by the plc when drawing a weight change curve, calculating the difference by using the current weight values which are 200 milliseconds away from each other twice, wherein 3-4 continuous difference values are within a set error range, and the weight change curve is in a stable stage, calculating the average value or the secondary weighted average value of 4-5 current weight values of the 3-4 difference values to represent the weight of the transport trolley and the weighing glass (2);
and 7, the plc calculates the difference between the weight of the transport trolley obtained in the step 3 and the weight of the transport trolley obtained in the step 6 and the weighed glass (2), and the difference value represents the real weight of the weighed glass (2).
4. A TFT glass BOD process fast dynamic weighing method as claimed in claim 3, characterized in that during the production weighing process, the glass transport is stopped randomly, the weighing device (1) at the no-load weighing station repeats steps 1-3 to weigh the same carriage repeatedly, the average of the multiple weighing results and the real weight of the same carriage under full online standstill are subtracted, and the compensation value for the weighing device (1) at the no-load weighing station is determined according to the difference.
5. The method for the rapid dynamic weighing of the BOD procedure of the TFT glass as defined in claim 4, wherein after the production weighing operation is carried out for a long time, the weight value of the same transport cart (2) is repeatedly measured by the weighing device (1) at the no-load weighing station, the average value of the weight values of a plurality of times is compared with the weight value of the same transport cart (2) which is completely stationary under the line, and the check is carried out to verify whether the weighing data and the compensation value are accurate or not.
6. A TFT glass BOD process fast dynamic weighing method as claimed in claim 3, characterized in that during the production weighing process, the production transportation is stopped randomly, the weighing device (1) at the load weighing station repeats steps 4-6 to repeatedly weigh the same carriage and weighing glass (2), the average of the multiple weighing results and the true weight of the same carriage and weighing glass (2) under line completely stationary are subtracted, and the compensation value for the weighing device (1) at the load weighing station is determined according to the difference.
7. The method for the rapid dynamic weighing of the BOD procedure of the TFT glass as claimed in claim 6, wherein after the production weighing operation is carried out for a long time, the weighing device (1) of the load weighing station is used for repeatedly measuring the weight values of the same transport cart and the weighed glass (2), the average value of the weight values is compared with the weight values of the same transport cart and the weighed glass (2) which are completely static under the line, and the verification is carried out to verify whether the weighing data and the compensation value are accurate or not.
8. The method for rapidly and dynamically weighing the BOD process of the TFT glass according to the claim 3, wherein the weighing device (1) of the no-load weighing station transmits the weight data of a plurality of transport trolleys to the plc, the plc numbers the transport trolleys and records the weight data, in the subsequent weighing process, the steps 4-6 are only repeated to measure the weight of the transport trolleys and the weighing glass (2), the plc calculates corresponding to the serial number of the transport trolleys, and the real weight of the weighing glass (2) is output.
9. The method for the rapid dynamic weighing of the BOD process of the TFT glass as claimed in claim 3, wherein the weighing time and the weighing error are set in a plc, and the output end of the plc is connected with an alarm device to alarm that the precision deviation of the weighing result or the weighing data is large for a long time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281315.3A CN111579035A (en) | 2020-04-10 | 2020-04-10 | TFT glass BOD procedure rapid dynamic weighing system and weighing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281315.3A CN111579035A (en) | 2020-04-10 | 2020-04-10 | TFT glass BOD procedure rapid dynamic weighing system and weighing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111579035A true CN111579035A (en) | 2020-08-25 |
Family
ID=72124436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010281315.3A Pending CN111579035A (en) | 2020-04-10 | 2020-04-10 | TFT glass BOD procedure rapid dynamic weighing system and weighing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111579035A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191551A (en) * | 2020-10-26 | 2021-01-08 | 杭州康奋威科技股份有限公司 | Dynamic goods weighing method based on weighing trolley on cross belt sorting machine |
| CN112763032A (en) * | 2020-11-30 | 2021-05-07 | 彩虹显示器件股份有限公司 | TFT-LCD photoelectric glass conveying online weighing system and method |
| CN112903507A (en) * | 2021-01-18 | 2021-06-04 | 山西光兴光电科技有限公司 | Apparatus and system for measuring glass drawing amount |
| CN114659925A (en) * | 2022-03-15 | 2022-06-24 | 清远南玻节能新材料有限公司 | Online pulling amount detection device and use method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6274412B1 (en) * | 1998-12-21 | 2001-08-14 | Parelec, Inc. | Material and method for printing high conductivity electrical conductors and other components on thin film transistor arrays |
| CN1818572A (en) * | 2006-03-06 | 2006-08-16 | 河南安彩高科股份有限公司 | Planar glass on-line weighing method, system and liftable weighing device |
| CN103605539A (en) * | 2013-11-15 | 2014-02-26 | 美的集团股份有限公司 | Single-chip microcomputer system clock frequency control method and system |
| CN203811252U (en) * | 2014-04-24 | 2014-09-03 | 东旭集团有限公司 | Glass substrate weighing apparatus |
| CN105964556A (en) * | 2016-05-13 | 2016-09-28 | 杭州亚美利嘉科技有限公司 | Cargo weighing method and system |
| CN108571997A (en) * | 2017-12-26 | 2018-09-25 | 深圳市鼎阳科技有限公司 | A kind of method and apparatus that measured point is steadily contacted in detection probe |
| CN110044785A (en) * | 2019-04-16 | 2019-07-23 | 北京汽车股份有限公司 | Detect the method, apparatus and vehicle of particulate matter |
-
2020
- 2020-04-10 CN CN202010281315.3A patent/CN111579035A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6274412B1 (en) * | 1998-12-21 | 2001-08-14 | Parelec, Inc. | Material and method for printing high conductivity electrical conductors and other components on thin film transistor arrays |
| CN1818572A (en) * | 2006-03-06 | 2006-08-16 | 河南安彩高科股份有限公司 | Planar glass on-line weighing method, system and liftable weighing device |
| CN103605539A (en) * | 2013-11-15 | 2014-02-26 | 美的集团股份有限公司 | Single-chip microcomputer system clock frequency control method and system |
| CN203811252U (en) * | 2014-04-24 | 2014-09-03 | 东旭集团有限公司 | Glass substrate weighing apparatus |
| CN105964556A (en) * | 2016-05-13 | 2016-09-28 | 杭州亚美利嘉科技有限公司 | Cargo weighing method and system |
| CN108571997A (en) * | 2017-12-26 | 2018-09-25 | 深圳市鼎阳科技有限公司 | A kind of method and apparatus that measured point is steadily contacted in detection probe |
| CN110044785A (en) * | 2019-04-16 | 2019-07-23 | 北京汽车股份有限公司 | Detect the method, apparatus and vehicle of particulate matter |
Non-Patent Citations (2)
| Title |
|---|
| 李青、高俊杰、李赫然: ""TFT-LCD 液晶基板玻璃生产过程中的在线式称重方式初步研究"", 《电气自动化》 * |
| 程广振: "《热工测量与自动控制》", 31 January 2005 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191551A (en) * | 2020-10-26 | 2021-01-08 | 杭州康奋威科技股份有限公司 | Dynamic goods weighing method based on weighing trolley on cross belt sorting machine |
| CN112763032A (en) * | 2020-11-30 | 2021-05-07 | 彩虹显示器件股份有限公司 | TFT-LCD photoelectric glass conveying online weighing system and method |
| CN112903507A (en) * | 2021-01-18 | 2021-06-04 | 山西光兴光电科技有限公司 | Apparatus and system for measuring glass drawing amount |
| CN112903507B (en) * | 2021-01-18 | 2023-06-30 | 山西光兴光电科技有限公司 | Apparatus and system for measuring glass pull |
| CN114659925A (en) * | 2022-03-15 | 2022-06-24 | 清远南玻节能新材料有限公司 | Online pulling amount detection device and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111579035A (en) | TFT glass BOD procedure rapid dynamic weighing system and weighing method | |
| CN103017873B (en) | Steel unmanned automatic metering system and method | |
| CN105466547A (en) | Implementation method for electronic scale requiring no calibration | |
| EP3714240B1 (en) | Weighting method and storage medium thereof | |
| CN102591267A (en) | Method for monitoring quality of production process by using target | |
| CN109730462B (en) | High-sensitivity centralized weighing and counting material management cabinet | |
| CN109596195A (en) | A kind of mass measuring method and device based on principle of moment balance | |
| CN109000767A (en) | A kind of production line dynamic weighing on-line monitoring method | |
| CN104121970B (en) | A kind of signal processing method of belted electronic balance | |
| CN103323090A (en) | Electronic car weighing debugging novel method and device | |
| CN101387539B (en) | Weighing ore groove level meter demarcating apparatus | |
| CN104535143A (en) | Weighing system and method capable of conducting weighing operation under ship shaking environment | |
| CN2532467Y (en) | Large weighing apparatus caribration instrument | |
| CN102788659A (en) | Temperature compensation parameter self operation method of digital pressure gauge | |
| CN206330658U (en) | A kind of simple high-precision electronic scale | |
| US3318402A (en) | Weigher with error detecting supplemental weigher | |
| CN106404233A (en) | Coercive force-based crane wheel pressure testing method | |
| CN104457933A (en) | Device and method for on-line monitoring of average gram weight of non-woven fabric in real time | |
| CN103245316A (en) | Crane braking gliding amount detecting system | |
| CN212567854U (en) | Vibration test table calibration system | |
| CN112462597A (en) | Coal quantity logic calculation method for coal feeder by adopting SAMA (sampling and analysis) diagram | |
| CN2531367Y (en) | Electronic checking balance | |
| CN108801188A (en) | The measurement tooling and measurement method of telemetering module centroid position on bullet | |
| JP2006162252A (en) | Weighing apparatus | |
| CN202770512U (en) | Redundant measuring device of online coil of strip balance of tray fortune defeated line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |
|
| RJ01 | Rejection of invention patent application after publication |