CN111879393B - Method and system for repairing weighing sensor - Google Patents
Method and system for repairing weighing sensor Download PDFInfo
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- CN111879393B CN111879393B CN202010742643.9A CN202010742643A CN111879393B CN 111879393 B CN111879393 B CN 111879393B CN 202010742643 A CN202010742643 A CN 202010742643A CN 111879393 B CN111879393 B CN 111879393B
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- weighing sensor
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- load cell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a method for repairing a weighing sensor, which comprises the following steps: s1, collecting data of a weighing sensor; s2, determining a repairing force F1 according to the data; s3, reversely ejecting the deformed part of the weighing sensor by the repairing force F1; s4, removing the repairing force F1 after time delay is set, enabling the temporary repairing force F to be equal to the repairing force F1, and collecting data of the weighing sensor; s5, if the data in the step S4 is zero, finishing the repair work; otherwise, the repairing force F1 is equal to the temporary repairing force F + N, and step S3 is executed. The invention also discloses a weighing sensor repairing system. According to the invention, the weighing sensor is arranged on the mounting plate, and the linear motion mechanism is controlled by the control circuit to tightly push the weighing sensor to restore the original state, so that the repairing of the weighing sensor is realized, the operation is simple and convenient, and the training difficulty can be reduced.
Description
Technical Field
The present invention relates to sensor repair, and more particularly, to a method and system for load cell repair.
Background
The weighing sensor is an important metering device and is widely applied to industry and agriculture, the scrapped number of the weighing sensor is increased day by day, the damaged weighing sensor is analyzed, the most important scrapped reason is found to be that the sensor is damaged due to overload, meanwhile, an internal circuit of the weighing sensor is of a complete structure, manual training can be recovered through reverse deformation, but the manual training needs professional guidance, the training difficulty is high, and otherwise, the sensor can be permanently damaged.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and aims to provide a method for repairing a weighing sensor, which can reduce the teaching difficulty.
The invention also aims to provide a weighing sensor repairing system capable of reducing the teaching difficulty.
In order to achieve the first purpose, the invention provides a method for repairing a weighing sensor, which comprises the following steps:
s1, collecting data of a weighing sensor;
s2, determining a repairing force F1 according to the data;
s3, reversely ejecting the deformed part of the weighing sensor by the repairing force F1;
s4, removing the repairing force F1 after time delay is set, enabling the temporary repairing force F to be equal to the repairing force F1, and collecting data of the weighing sensor;
s5, if the data in the step S4 is zero, finishing the repair work; otherwise, the repairing force F1 is equal to the temporary repairing force F + N, and step S3 is executed.
In order to achieve the second purpose, the invention provides a weighing sensor repairing system which comprises a base and a mounting plate, wherein the mounting plate is positioned above the base and used for mounting a weighing sensor, the mounting plate is provided with a teaching hole penetrating through the upper end and the lower end of the mounting plate, a jacking block used for jacking the weighing sensor to restore the original state and a linear motion mechanism driving the jacking block to reciprocate are arranged on the base below the teaching hole;
The weighing sensor is characterized by further comprising a control circuit, wherein the control circuit comprises a data acquisition module and a microprocessor, the input end of the data acquisition module is electrically connected with the output end of the weighing sensor, and the microprocessor is respectively electrically connected with the data acquisition module and the linear motion mechanism;
the data acquisition module is used for acquiring data of the weighing sensor and sending the data to the microprocessor, and the microprocessor controls the linear motion mechanism to drive the jacking block to repair the weighing sensor according to the method.
As a further improvement, the linear motion mechanism is an electric scissor jack.
Furthermore, the jacking block is connected with the linear motion mechanism through threads.
Further, still include with the support column that base and mounting panel are connected, the support column is the right angle steel, the both ends of support column respectively with base, mounting panel welding.
Furthermore, the base is provided with a waist-shaped hole for installing the linear motion mechanism, and the linear motion mechanism is locked in the waist-shaped hole through a bolt.
Furthermore, a threaded hole for installing the weighing sensor is formed in the mounting plate on the periphery of the teaching hole.
Furthermore, the control circuit further comprises an excitation power supply module, a motor driving module and a display module, wherein the excitation power supply module is electrically connected with the input end of the weighing sensor, the microprocessor is electrically connected with the linear motion mechanism through the motor driving module, and the microprocessor is electrically connected with the display module.
Furthermore, the control circuit further comprises a voltage following module, and the excitation power supply module is electrically connected with the weighing sensor through the voltage following module.
Further, the system also comprises a PC which is in communication connection with the microprocessor.
Advantageous effects
Compared with the prior art, the invention has the advantages that:
the method comprises the steps of collecting data of a weighing sensor; determining a repair force F1 from the data; the repair of the weighing sensor is realized by using the repair force F1 to reversely push the deformed part of the weighing sensor, and the operation is simple and convenient;
according to the system, the weighing sensor is arranged on the mounting plate, and the linear motion mechanism is controlled by the control circuit to tightly push the weighing sensor to restore the original state, so that the repairing of the weighing sensor is realized, the operation is simple and convenient, and the training difficulty can be reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the base and mounting plate of the present invention;
FIG. 3 is a schematic structural diagram of the linear motion mechanism of the present invention;
fig. 4 is a circuit diagram of the present invention.
Wherein: the device comprises a base 1, a mounting plate 2, a support column 3, a teaching hole 4, a linear motion mechanism 5, a jacking block 7, a waist-shaped hole 8 and a threaded hole 9.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-4, a method of load cell repair includes:
s1, collecting data of a weighing sensor;
s2, determining a repairing force F1 according to the data;
s3, reversely ejecting the deformed part of the weighing sensor by restoring force F1;
s4, removing the repairing force F1 after delaying for a set time, enabling the temporary repairing force F to be equal to the repairing force F1, and collecting data of the weighing sensor;
s5, if the data in the step S4 is zero, finishing the repairing work, and restoring the weighing sensor to a normal state; otherwise, the restoration force F1 is equal to the temporary restoration force F + N, and step S3 is executed. The setting time is 3-10 seconds, and N is 10% of the restoring force F1 in the step S2.
A weighing sensor repairing system comprises a base 1 and a mounting plate 2 which is positioned above the base 1 and used for mounting a weighing sensor, wherein the mounting plate 2 is provided with a teaching hole 4 penetrating through the upper end and the lower end of the mounting plate, a jacking block 7 used for jacking the weighing sensor to restore the original state and a linear motion mechanism 5 used for driving the jacking block 7 to reciprocate are arranged on the base 1 below the teaching hole 4;
The weighing sensor is characterized by further comprising a control circuit, wherein the control circuit comprises a data acquisition module and a microprocessor, the input end of the data acquisition module is electrically connected with the output end of the weighing sensor, and the microprocessor is respectively electrically connected with the data acquisition module and the linear motion mechanism 5;
the data acquisition module is used for acquiring data of the weighing sensor and sending the data to the microprocessor, and the microprocessor controls the linear motion mechanism 5 to drive the jacking block 7 to symmetrically transmit the sensor for repairing according to the method.
In the present embodiment, the linear motion mechanism 5 is an electric scissor jack. Preferably, the jacking block 7 is in threaded connection with the linear motion mechanism 5, namely the jacking block 7 is in threaded connection with the top of the electric scissor jack, so that the jacking block 7 can be conveniently replaced according to different weighing sensors.
This system still includes the support column 3 of being connected base 1 and mounting panel 2, and support column 3 is the right angle steel, and the both ends of support column 3 weld with base 1, mounting panel 2 respectively, and working strength is high, and stability is good. The base 1 is provided with a waist-shaped hole 8 for mounting the linear motion mechanism 5, the linear motion mechanism 5 is locked in the waist-shaped hole 8 through a bolt, and the mounting position of the linear motion mechanism 5 can be conveniently adjusted through the waist-shaped hole 8. Be equipped with the screw hole 9 that is used for installing weighing sensor on the outlying mounting panel 2 of tuning and teaching hole 4, easy to assemble weighing sensor.
In this embodiment, the control circuit further includes an excitation power module, a motor driving module, and a display module, where the excitation power module is electrically connected to the input end of the weighing sensor, the microprocessor is electrically connected to the linear motion mechanism 5 through the motor driving module, and the microprocessor is electrically connected to the display module. Preferably, the excitation power supply module is a standard power supply chip with the model number of MAX6350, the standard power supply chip has the advantages of high stability in output, low temperature drift, low noise and high resolution, and an excellent characteristic curve can meet the power supply requirement of the whole system. The data acquisition module is an AD sampling module with the model number of AD7190, is low in temperature drift and high in precision, and can receive weak voltage signals and convert the weak voltage signals into digital signals. The motor driving module is a driving chip with the model number of ULN 2803. The microprocessor is a single chip microcomputer with the model number of STM32F103C8T6 and is a chip based on an ARM inner core, and the single chip microcomputer is large in memory capacity, high in performance, low in power consumption and high in running speed. The display module is a TFT display screen or an OLED display screen.
The control circuit further comprises a voltage following module, and the excitation power supply module is electrically connected with the weighing sensor through the voltage following module. Preferably, the voltage following module is a single-power-supply operational amplifier follower with the model of OP07, is used as a buffer and an isolation, is connected with a strain circuit of the weighing sensor, avoids the influence of the strain circuit on the normal work of an excitation power supply, also has impedance matching, reduces the signal interference in the module, and can be matched with various weighing sensors.
The system also comprises a PC machine which is in communication connection with the microprocessor, the PC machine is in communication connection with the microprocessor through the RS232 serial port module, and the data are uploaded to the PC machine by the lower microprocessor for storage and analysis. Preferably, the RS232 serial port module is a communication chip with a model number of MAX 232.
The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (10)
1. A method of load cell repair, comprising:
s1, collecting data of a weighing sensor;
s2, determining a repairing force F1 according to the data;
s3, reversely ejecting the deformation part of the weighing sensor by the repairing force F1;
s4, removing the repairing force F1 after time delay is set, enabling the temporary repairing force F to be equal to the repairing force F1, and collecting data of the weighing sensor;
s5, if the data in the step S4 is zero, finishing the repair work; otherwise, the repair force F1 is equal to the temporary repair force F + N, N being 10% of the repair force F1 in step S2; step S3 is executed.
2. The weighing sensor repairing system is characterized by comprising a base (1) and a mounting plate (2) which is positioned above the base (1) and used for mounting a weighing sensor, wherein the mounting plate (2) is provided with a teaching hole (4) penetrating through the upper end and the lower end of the mounting plate, a jacking block (7) used for jacking the weighing sensor to restore the original state and a linear motion mechanism (5) driving the jacking block (7) to reciprocate are arranged on the base (1) below the teaching hole (4);
The weighing system is characterized by further comprising a control circuit, wherein the control circuit comprises a data acquisition module and a microprocessor, the input end of the data acquisition module is electrically connected with the output end of the weighing sensor, and the microprocessor is respectively electrically connected with the data acquisition module and the linear motion mechanism (5);
the data acquisition module is used for acquiring data of the weighing sensor and sending the data to the microprocessor, and the microprocessor controls the linear motion mechanism (5) to drive the puller block (7) to repair the weighing sensor according to the method of claim 1.
3. Load cell repair system according to claim 2, wherein the linear movement mechanism (5) is an electric scissor jack.
4. The load cell repairing system according to claim 2, wherein said puller block (7) is in threaded connection with said linear motion mechanism (5).
5. The load cell repairing system according to claim 2, further comprising a supporting column (3) for connecting the base (1) and the mounting plate (2), wherein the supporting column (3) is a right-angle steel, and two ends of the supporting column (3) are respectively welded to the base (1) and the mounting plate (2).
6. The load cell repairing system according to claim 2, wherein said base (1) is provided with a slotted hole (8) for mounting said linear motion mechanism (5), and said linear motion mechanism (5) is locked in said slotted hole (8) by a bolt.
7. The load cell repair system according to claim 2, wherein a threaded hole (9) for mounting the load cell is provided on the mounting plate (2) around the teaching hole (4).
8. The load cell repairing system according to claim 2, wherein the control circuit further comprises an excitation power module, a motor driving module, and a display module, the excitation power module is electrically connected to an input terminal of the load cell, the microprocessor is electrically connected to the linear motion mechanism (5) through the motor driving module, and the microprocessor is electrically connected to the display module.
9. The load cell repair system of claim 8, wherein the control circuit further comprises a voltage follower module, and the excitation power module is electrically connected to the load cell through the voltage follower module.
10. The load cell repair system of claim 2 further comprising a PC communicatively coupled to the microprocessor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010742643.9A CN111879393B (en) | 2020-07-29 | 2020-07-29 | Method and system for repairing weighing sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010742643.9A CN111879393B (en) | 2020-07-29 | 2020-07-29 | Method and system for repairing weighing sensor |
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| CN111879393A CN111879393A (en) | 2020-11-03 |
| CN111879393B true CN111879393B (en) | 2022-05-31 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016464A (en) * | 1988-12-22 | 1991-05-21 | Garda Impranti | Apparatus for repairing accident-damaged bodies in motor vehicles |
| CN1472513A (en) * | 2002-07-29 | 2004-02-04 | 上海民桥精密科学仪器有限公司 | Inner weight correcting method for electronic high-accuracy balance |
| CN104763162A (en) * | 2014-12-29 | 2015-07-08 | 中国地质大学（武汉） | Counter-jacking repairing scheme for loaded offset concrete filled steel tube column |
| CN106836020A (en) * | 2016-12-29 | 2017-06-13 | 中铁第四勘察设计院集团有限公司 | A kind of method for correcting error for runing high-speed railway bridge |
| CN106895817A (en) * | 2017-02-21 | 2017-06-27 | 常熟理工学院 | Deform measurement and the means for correcting of part |
| CN109387325A (en) * | 2018-10-10 | 2019-02-26 | 襄阳奇竞特机电制造有限责任公司 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
| CN110842059A (en) * | 2019-10-25 | 2020-02-28 | 江苏兴达钢帘线股份有限公司 | Automatic detection and shaping machine for spool |
-
2020
- 2020-07-29 CN CN202010742643.9A patent/CN111879393B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5016464A (en) * | 1988-12-22 | 1991-05-21 | Garda Impranti | Apparatus for repairing accident-damaged bodies in motor vehicles |
| CN1472513A (en) * | 2002-07-29 | 2004-02-04 | 上海民桥精密科学仪器有限公司 | Inner weight correcting method for electronic high-accuracy balance |
| CN104763162A (en) * | 2014-12-29 | 2015-07-08 | 中国地质大学（武汉） | Counter-jacking repairing scheme for loaded offset concrete filled steel tube column |
| CN106836020A (en) * | 2016-12-29 | 2017-06-13 | 中铁第四勘察设计院集团有限公司 | A kind of method for correcting error for runing high-speed railway bridge |
| CN106895817A (en) * | 2017-02-21 | 2017-06-27 | 常熟理工学院 | Deform measurement and the means for correcting of part |
| CN109387325A (en) * | 2018-10-10 | 2019-02-26 | 襄阳奇竞特机电制造有限责任公司 | Dynamometry calibrating installation and dynamometry calibration method for oleo-gear testing stand |
| CN110842059A (en) * | 2019-10-25 | 2020-02-28 | 江苏兴达钢帘线股份有限公司 | Automatic detection and shaping machine for spool |
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| CN111879393A (en) | 2020-11-03 |
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