CN113295881A - High-precision wire feeding speed measuring device and method for general industrial welding machine - Google Patents
High-precision wire feeding speed measuring device and method for general industrial welding machine Download PDFInfo
- Publication number
- CN113295881A CN113295881A CN202110670739.3A CN202110670739A CN113295881A CN 113295881 A CN113295881 A CN 113295881A CN 202110670739 A CN202110670739 A CN 202110670739A CN 113295881 A CN113295881 A CN 113295881A
- Authority
- CN
- China
- Prior art keywords
- welding machine
- wire feeding
- speed
- magnetic sensor
- magnet
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract 2
- 238000010168 coupling process Methods 0.000 claims abstract 2
- 238000005859 coupling reaction Methods 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a high-precision wire feeding speed measuring device and method for a general industrial welding machine, and relates to the field of industrial measuring equipment. The device comprises a magnet device, a magnetic-sensing sensor device and a universal joint device. The magnet device adsorbs in the wire feed gyro wheel side of industry welding machine through magnetic force, and the magnetic sensor device is connected with the universal joint device for measure the speed of magnet device, the speed of magnet device is equated with the speed of sending a gyro wheel, and the speed of sending a gyro wheel is obtained according to the pulse signal of magnetic sensor, reachs the real-time wire feed speed of welding machine indirectly, this body coupling of universal wheel device and industry welding machine. The invention has the advantages of greatly improving the precision of measuring the wire feeding speed of the welding machine, being suitable for the measurement of the wire feeding speed of the low-speed welding machine, being capable of measuring the wire feeding speed in real time, having flexible installation position of the magnetic sensor, being capable of meeting the measurement requirements of the welding machines with different structures, being suitable for the monitoring scene of the welding speed of the industrial welding machine and other industrial scenes which can apply the invention.
Description
Technical Field
The invention relates to the field of industrial measuring equipment, in particular to a high-precision wire feeding speed measuring device and method of a general industrial welding machine.
Background
With the continuous development of modern industrial manufacturing, people seek high-efficiency welding efficiency and have higher and higher requirements on welding quality. In the welding process, the key for ensuring the welding quality lies in the reasonability and stability of welding parameters. The wire feeding speed of the welding machine is an important welding parameter in the welding process, and the welding quality is directly influenced by the speed of the wire feeding speed, so that the real-time measurement of the wire feeding speed is particularly important, the welding quality can be effectively ensured, and meanwhile, the welding process can be informationized.
Most of the existing measuring devices at home and abroad adopt Hall sensors, and the characteristics of high response speed and high measuring precision are utilized to measure the speed. However, the output signals of most sensors are square waves, the pulse frequency of the square waves is in proportion to the speed, but the position updating is slow, the position resolution is low, the transient change of the speed is ignored, and the method cannot be suitable for measuring the wire feeding speed of a low-speed welding machine.
Therefore, those skilled in the art are devoted to developing a high-precision general-purpose type wire feeding speed measuring apparatus and method for industrial welding machine to improve the precision of measuring the wire feeding speed of the welding machine.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to improve the accuracy of measuring the wire feeding speed of the welding machine, so as to adapt to the measurement of the wire feeding speed of the low-speed welding machine, and measure the wire feeding speed in real time.
In order to achieve the purpose, the invention provides a high-precision wire feeding speed measuring device for a general industrial welding machine, which comprises a magnet device, a magnetic-sensing sensor device and a universal joint device, wherein the magnet device is adsorbed on the side surface of a wire feeding roller of the industrial welding machine through magnetic force, the magnetic-sensing sensor device is connected with the universal joint device and used for measuring the speed of the magnet device, the speed of the magnet device is equal to the speed of the wire feeding roller, the speed of the wire feeding roller is obtained according to a pulse signal of the magnetic-sensing sensor device, the real-time wire feeding speed of the welding machine is indirectly obtained, and the universal joint device is connected with the industrial welding machine.
Furthermore, the magnet device is in the shape of a petal-shaped gear or a groove, the outer diameter of the magnet device continuously changes along the circumferential direction according to a sine rule, the circumferential sine cycle number is N, and N can be any natural number.
Further, the universal joint device base is a magnetic gauge stand, and the universal joint device is adsorbed on an industrial welding machine through the magnetic gauge stand.
Further, the wire feeding device also comprises a controller, and the magnetic-sensing sensor device feeds back the wire feeding speed information measured in real time to the controller.
Furthermore, the controller comprises an arithmetic unit, a memory, a communication module, a display module and an analog-to-digital conversion interface, the controller receives a measurement pulse signal of the magnetic sensor device through the digital-to-analog conversion interface, and the controller sends rotating speed data to the computer through the communication module; the controller displays the wire feeding speed through the display module.
Furthermore, the universal joint device is of a multi-section universal adjusting structure.
Furthermore, the head of the universal joint device is a spiral adjusting clamp which can clamp the magnetic sensor device.
Furthermore, the magnetic sensor device and the controller are provided with a power supply device which is matched with the application requirements of the magnetic sensor device and the controller.
Further, the magnet device, the magnetic sensor device, the universal joint device and the controller module form independent units, and the independent units form an integral system to be connected with the industrial welding machine.
The invention also provides a high-precision wire feeding speed measuring method of the general industrial welding machine, which comprises the following steps:
determining the number N of circumferential salient poles of a magnet of the magnet device, calculating the rotation angle of a wire feeding roller corresponding to each sine signal period, operating the wire feeding roller to rotate for a circle, enabling a controller to receive an output signal of the magnetic sensor device through an analog-to-digital conversion interface, recording the output signal corresponding to one circle of rotation of the wire feeding roller, and determining the peak value of a sine wave;
when the welding machine starts to work, the wire feeding speed is measured, the petal-shaped magnet device synchronously rotates along with the wire feeding roller, so that the Hall voltage of the magnetic sensor device continuously changes, the controller receives the output signal of the magnetic sensor device through the analog-to-digital conversion interface every m milliseconds, the current phase of the output signal is judged according to the ratio of the current output signal value to the sine wave peak value, and the current periodicity is calculated according to the historical data of the phase;
and calculating the current position of the wire feeding roller according to the current cycle number, the current phase and the position corresponding relation between the output signal and the wire feeding roller, and calculating the wire feeding speed according to the difference between the current position of the wire feeding roller and the position of the wire feeding roller in the previous cycle.
Compared with the prior art, the scheme of the invention has the following beneficial effects: the precision of measuring the wire feeding speed of the welding machine is improved, the wire feeding speed measuring device can adapt to the measurement of the wire feeding speed of the low-speed welding machine, the wire feeding speed can be measured in real time, the installation positions of the magnet device and the magnetic sensor device are flexible, different requirements can be met, and the wire feeding speed measuring device is suitable for industrial welding machine welding speed monitoring scenes and other industrial scenes in which the wire feeding speed monitoring device can be applied.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a general overall structural and functional diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a magnet assembly according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of a magnetic sensor device according to a preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of a gimbal assembly in accordance with a preferred embodiment of the present invention;
FIG. 5 is a schematic diagram of the angle of the magnet assembly and the signal of the magnetic sensor assembly according to a preferred embodiment of the present invention;
FIG. 6 is a flow chart of an application system of the apparatus of the present invention;
the device comprises a magnet device 1, a welding machine 2, a wire feeding roller 3, a magnetic-sensitive sensor device 4 and a universal joint device 5.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
As shown in fig. 1, the magnet assembly 1 is attached to the wire feeding roller 3, the wire feeding roller 3 is integrated with the magnet assembly 1, and the speed of the magnet assembly is equal to the wire feeding speed of the roller. The magnetic sensor device 4 is a speed measuring sensor, the measuring object is the magnet device 1, the output signal of the magnetic sensor device 4 is a sine curve, and the frequency of the signal is in direct proportion to the rotating speed, so that the wire feeding speed of the welding machine 2 is measured. The magnetic disk of the base of the universal joint device 5 is adsorbed on the welding machine 2, and the front end clamp supports the magnetic sensor device 4, so that the stability of the whole device is ensured.
As shown in fig. 2, the magnet device 1 is shaped as a petal gear or a groove, the outer diameter of the magnet device 1 continuously changes along the circumferential direction according to the sine rule, the circumferential curve of the magnet device 1 is approximate to the sine curve, the magnet device 1 is adsorbed on the side surface of the wire feeding roller 3 by the magnetism of the magnet device 1, and the magnet device 1 and the wire feeding roller 3 rotate together. The speed of the magnet assembly is equal to the wire feed roller 3 speed.
As shown in fig. 3, the object to be measured by the magnetic sensor device 4 is the magnet device 1, the magnetic sensor device 4 measures speed in a non-contact manner, and the sensing principle is hall effect, the magnetic sensor device 4 is composed of a sensing chip with a hall element and a permanent magnet, a fixed magnetic field generated by the permanent magnet generates a constant electric field on the hall element, when a gear or a groove of the magnet device 1 passes through the surface of the hall element, the hall voltage changes to form a voltage difference, thereby providing a measurement pulse signal synchronous with a tooth or a groove, the output signal is sine wave, the sine wave phase corresponds to the tooth space position, the small displacement of the wire feeding roller 3 can cause the change of the sine wave phase, the small position change can be measured by detecting the sine wave phase, and then the real-time rotating speed can be calculated.
As shown in fig. 4, the base disk of the gimbal device 5 is attached to the welder 2, and the front end clamp supports the magnetic sensor 4.
As shown in fig. 5, the angle of the magnet device 1 has a certain correspondence with the signal of the magnetic sensor device 4. In the synchronous rotation process of the magnet device 1 along with the wire feeding roller 3, the output signal of the magnetic sensor device 4 is a sine signal, infinite separation can be carried out, and a one-to-one correspondence relation is formed corresponding to the angle of the wire feeding roller 3. The angle of the wire feeding roller 3 is determined by the period number and the phase position of the sine signal output by the magnetic sensor 4, and the rotation angle of the wire feeding roller 3 corresponding to each period of the sine signal is related to the circumferential salient pole number N of the magnet.
As shown in fig. 6, when in use, the gimbal device 5 is correctly installed, the magnetic sensor device 4 focuses on the magnet device 1, the number N of circumferential salient poles of the magnet is determined, the rotation angle of the wire feeding roller 3 corresponding to each sine signal period is calculated, the wire feeding roller 3 is controlled to rotate for one circle, the controller receives the output signal of the magnetic sensor device 4 through the analog-to-digital conversion interface, the output signal corresponding to one circle of rotation of the wire feeding roller 3 is recorded, and the peak value of the sine wave is determined. When the welding machine 2 starts to work, the wire feeding speed measurement starts, the gear (or the groove) of the petal-shaped magnet device 1 synchronously rotates along with the wire feeding roller 3, so that the Hall voltage of the magnetic sensor device 4 continuously changes, the controller receives the output signal of the magnetic sensor device 4 through the analog-to-digital conversion interface every m milliseconds, the current phase of the output signal is judged according to the proportion of the current output signal value and the peak value, the current period number can be calculated according to the historical data of the phase, the current position of the wire feeding roller 3 can be calculated according to the corresponding relation between the current period number, the current phase and the output signal and the roller position, the current position of the wire feeding roller 3 is recorded, the wire feeding speed is calculated according to the difference between the current position of the wire feeding roller 3 and the position of the wire feeding roller 3 in the previous period, and the process is continuously repeated in the working process of the welding machine 2. The sampling period m can be freely set, and the smaller m is, the higher the position and speed resolution is. The collected speed data are displayed on a computer screen connected with the controller, the speed data can be edited into a file and shared to the cloud, and welding process can be checked at any time by welding machine operators at a mobile end.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a general type industry welding machine of high accuracy send a speed measuring device, a serial communication port, including magnet device, magnetic sensor device and universal joint device, wherein, the magnet device adsorbs in the wire feed gyro wheel side of industry welding machine through magnetic force, the magnetic sensor device with the universal joint device is connected for measure the speed of magnet device, the speed of magnet device is equated to the speed of sending a gyro wheel, according to the speed of sending a gyro wheel is derived to the pulse signal of magnetic sensor device, reachs the real-time wire feed speed of welding machine indirectly, this body coupling of universal wheel device and industry welding machine.
2. The wire feed speed measuring device of the high precision general industrial welding machine as claimed in claim 1, wherein the magnet device is in the shape of a petal gear or a groove, and the outer diameter of the magnet device is continuously changed in a sinusoidal manner along the circumferential direction.
3. The wire feed speed measuring device of the high-precision general industrial welding machine as claimed in claim 1, wherein the base of the universal joint device is a magnetic gauge stand, and the universal joint device is attached to the industrial welding machine through the magnetic gauge stand.
4. The wire feed speed measurement device of the high precision general purpose industrial welder of claim 1, further comprising a controller, wherein the magneto sensor device feeds back real time measured wire feed speed information to the controller.
5. The wire feed speed measuring device of the high-precision general industrial welding machine as claimed in claim 4, wherein the controller comprises an arithmetic unit, a memory, a communication module, a display module and an analog-to-digital conversion interface, the controller receives the measurement pulse signal of the magnetic sensor device through the analog-to-digital conversion interface, and the controller sends the rotating speed data to the computer through the communication module; the controller displays the wire feeding speed through the display module.
6. The wire feed speed measuring device of the high precision general industrial welding machine as claimed in claim 1, wherein the gimbal device is a multi-segment type gimbal adjustment structure.
7. The wire feed speed measuring device of the high precision general purpose industrial welding machine as claimed in claim 1, wherein the head of the gimbal assembly is a screw adjusting clamp, and the screw adjusting clamp clamps the magnetic sensor assembly.
8. The wire feed speed measuring device of the high precision general industrial welding machine as claimed in claim 1, wherein the magnetic sensor device and the controller are provided with power supply devices adapted to the application requirements.
9. The wire feed speed measurement device of the high precision general purpose industrial welder according to claim 4, wherein the magnet device, the magneto sensor device, the gimbal device and the controller module constitute independent units, and a plurality of the independent units form an integrated system to be connected with the industrial welder.
10. A wire feeding speed measuring method of a high-precision general industrial welding machine is characterized in that the wire feeding speed measuring device of the high-precision general industrial welding machine according to claim 1 is used for measuring the speed of a wire feeding roller, and the method comprises the following steps:
determining the number N of circumferential salient poles of a magnet of the magnet device, calculating the rotation angle of a wire feeding roller corresponding to each sine signal period, operating the wire feeding roller to rotate for a circle, enabling a controller to receive an output signal of the magnetic sensor device through an analog-to-digital conversion interface, recording the output signal corresponding to one circle of rotation of the wire feeding roller, and determining the peak value of a sine wave;
when the welding machine starts to work, the wire feeding speed is measured, the petal-shaped magnet device synchronously rotates along with the wire feeding roller, so that the Hall voltage of the magnetic sensor device continuously changes, the controller receives the output signal of the magnetic sensor device through the analog-to-digital conversion interface every m milliseconds, the current phase of the output signal is judged according to the ratio of the current output signal value to the sine wave peak value, and the current periodicity is calculated according to the historical data of the phase;
and calculating the current position of the wire feeding roller according to the current cycle number, the current phase and the position corresponding relation between the output signal and the wire feeding roller, and calculating the wire feeding speed according to the difference between the current position of the wire feeding roller and the position of the wire feeding roller in the previous cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670739.3A CN113295881A (en) | 2021-06-17 | 2021-06-17 | High-precision wire feeding speed measuring device and method for general industrial welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110670739.3A CN113295881A (en) | 2021-06-17 | 2021-06-17 | High-precision wire feeding speed measuring device and method for general industrial welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113295881A true CN113295881A (en) | 2021-08-24 |
Family
ID=77328565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110670739.3A Pending CN113295881A (en) | 2021-06-17 | 2021-06-17 | High-precision wire feeding speed measuring device and method for general industrial welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113295881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047351A (en) * | 2021-10-26 | 2022-02-15 | 南昌大学 | Wire feeding speed detection method based on distortion signal adaptive algorithm |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131397A (en) * | 2006-08-23 | 2008-02-27 | 新科实业有限公司 | Wheel velocity and acceleration detecting system and detecting method thereof |
| CN101198873A (en) * | 2005-06-17 | 2008-06-11 | Nxp股份有限公司 | Sensor system for determining a position or a rotational speed of an object |
| CN101707879A (en) * | 2007-06-06 | 2010-05-12 | 海卓-艾尔公司 | Angular position sensor |
| CN102252029A (en) * | 2009-11-16 | 2011-11-23 | 施克斯特格曼有限公司 | Roller bearing with sensor unit |
| CN102947042A (en) * | 2010-06-17 | 2013-02-27 | 伊利诺斯工具制品有限公司 | Welding wire feeder with magnetic rotational speed sensor |
| CN103003138A (en) * | 2010-07-15 | 2013-03-27 | 日本精机株式会社 | Rotational speed detection device and vehicle speed detection system |
| CN104583727A (en) * | 2012-08-23 | 2015-04-29 | 迈来芯技术股份有限公司 | Arrangement, method and sensor for measuring an absolute angular position using a multi-pole magnet |
| CN106645787A (en) * | 2017-03-08 | 2017-05-10 | 湖南广思科技有限公司 | Method, system and device for measuring speed of locomotive |
| DE102016103518A1 (en) * | 2016-02-29 | 2017-08-31 | Robert Bosch Automotive Steering Gmbh | Method and device for rotor position diagnosis in an electric motor drive |
| CN206754222U (en) * | 2017-03-22 | 2017-12-15 | 浙江亚太机电股份有限公司 | A kind of novel clutch master cylinder magnet mounting structure |
| US20180088144A1 (en) * | 2016-09-29 | 2018-03-29 | Toyota Jidosha Kabushiki Kaisha | Angular Velocity Measuring Device and Relative Angular Velocity Measuring Device |
| CN108828258A (en) * | 2018-04-28 | 2018-11-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of device and method improving fly-wheel motor rate accuracy |
| CN109443451A (en) * | 2018-12-27 | 2019-03-08 | 中国科学院宁波材料技术与工程研究所 | A kind of motor position speed detector |
-
2021
- 2021-06-17 CN CN202110670739.3A patent/CN113295881A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101198873A (en) * | 2005-06-17 | 2008-06-11 | Nxp股份有限公司 | Sensor system for determining a position or a rotational speed of an object |
| CN101131397A (en) * | 2006-08-23 | 2008-02-27 | 新科实业有限公司 | Wheel velocity and acceleration detecting system and detecting method thereof |
| CN101707879A (en) * | 2007-06-06 | 2010-05-12 | 海卓-艾尔公司 | Angular position sensor |
| CN102252029A (en) * | 2009-11-16 | 2011-11-23 | 施克斯特格曼有限公司 | Roller bearing with sensor unit |
| CN102947042A (en) * | 2010-06-17 | 2013-02-27 | 伊利诺斯工具制品有限公司 | Welding wire feeder with magnetic rotational speed sensor |
| CN103003138A (en) * | 2010-07-15 | 2013-03-27 | 日本精机株式会社 | Rotational speed detection device and vehicle speed detection system |
| CN104583727A (en) * | 2012-08-23 | 2015-04-29 | 迈来芯技术股份有限公司 | Arrangement, method and sensor for measuring an absolute angular position using a multi-pole magnet |
| DE102016103518A1 (en) * | 2016-02-29 | 2017-08-31 | Robert Bosch Automotive Steering Gmbh | Method and device for rotor position diagnosis in an electric motor drive |
| US20180088144A1 (en) * | 2016-09-29 | 2018-03-29 | Toyota Jidosha Kabushiki Kaisha | Angular Velocity Measuring Device and Relative Angular Velocity Measuring Device |
| CN106645787A (en) * | 2017-03-08 | 2017-05-10 | 湖南广思科技有限公司 | Method, system and device for measuring speed of locomotive |
| CN206754222U (en) * | 2017-03-22 | 2017-12-15 | 浙江亚太机电股份有限公司 | A kind of novel clutch master cylinder magnet mounting structure |
| CN108828258A (en) * | 2018-04-28 | 2018-11-16 | 中国科学院长春光学精密机械与物理研究所 | A kind of device and method improving fly-wheel motor rate accuracy |
| CN109443451A (en) * | 2018-12-27 | 2019-03-08 | 中国科学院宁波材料技术与工程研究所 | A kind of motor position speed detector |
Non-Patent Citations (2)
| Title |
|---|
| 任杰亮等: "基于霍尔传感器的送丝速度测量系统", 《电焊机》 * |
| 徐东等: "自动焊接设备故障状态监测方法优化设计", 《科学技术创新》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047351A (en) * | 2021-10-26 | 2022-02-15 | 南昌大学 | Wire feeding speed detection method based on distortion signal adaptive algorithm |
| CN114047351B (en) * | 2021-10-26 | 2022-08-09 | 南昌大学 | Wire feeding speed detection method based on distortion signal adaptive algorithm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106625020B (en) | High speed and super precision machine tool chief axis, electro spindle incremental magnetic induction type bus type encoder | |
| CN104422384A (en) | Device and method for detecting rotation state | |
| CN206578635U (en) | High speed and super precision machine tool chief axis, electro spindle incremental magnetic induction type bus type encoder | |
| CN102608358A (en) | System and method for multi-sensor comparative rotation speed test | |
| CN106767956A (en) | High speed and super precision machine tool chief axis magnetic induction absolute value encoder and its measurement gear | |
| CN113295881A (en) | High-precision wire feeding speed measuring device and method for general industrial welding machine | |
| CN108828258A (en) | A kind of device and method improving fly-wheel motor rate accuracy | |
| CN203550935U (en) | Device used for measuring static radius of precision centrifuge | |
| CN103398810A (en) | Non-contact torque and power measuring device and method | |
| CN103698550B (en) | Ship tail shaft speed measurement device with single Hall proximity type sensor | |
| CN103439657B (en) | AC servo motor transmission parameter detection method and the application in fault detect thereof | |
| CN202548149U (en) | Multi-sensor comparison type rotation speed test system | |
| CN208606651U (en) | A kind of digitlization tape measure | |
| CN206583466U (en) | High speed and super precision machine tool chief axis magnetic induction absolute value encoder and its measurement gear | |
| CN105466332A (en) | Angle sensor and angle measuring method | |
| CN111780971B (en) | Multi-shaft transmission device fault diagnosis system and method based on rotation speed sensor | |
| CN111665369B (en) | Self-charging integrated rotating machinery rotating speed sensor and rotating speed calculation method thereof | |
| CN207908540U (en) | A kind of wheel speed sensor testing device | |
| CN103776495B (en) | A kind of contactless gear rotational speed test experience device | |
| CN108871407A (en) | A kind of coder testing device | |
| CN212674956U (en) | Helicopter revolution speed sensor detects calibrating device | |
| CN108427011A (en) | A kind of high-precision fly-wheel motor speed measuring device | |
| CN205079732U (en) | Angle sensor | |
| CN205490286U (en) | Servo driver | |
| CN202939966U (en) | Device for measuring indexing, revolution and rotation speed of turntable |
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: 20210824 |
|
| RJ01 | Rejection of invention patent application after publication |