CN108425987A - A kind of electromagnetic damping device for controlling magnetic railings ruler - Google Patents
A kind of electromagnetic damping device for controlling magnetic railings ruler Download PDFInfo
- Publication number
- CN108425987A CN108425987A CN201810475381.7A CN201810475381A CN108425987A CN 108425987 A CN108425987 A CN 108425987A CN 201810475381 A CN201810475381 A CN 201810475381A CN 108425987 A CN108425987 A CN 108425987A
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- China
- Prior art keywords
- railings ruler
- magnetic railings
- magnet
- magnetic
- coil winding
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- 238000013016 damping Methods 0.000 title claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 75
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of electromagnetic damping device for controlling magnetic railings ruler, including microcontroller, casing, sliding rail, magnetic railings ruler and Hall element and iron core, first coil winding and second coil winding are wound on the iron core, the first coil winding and the second coil winding are sequentially arranged along the length direction of the magnetic railings ruler, multiple magnet are provided on the magnetic railings ruler, the two poles of the earth of the magnet are respectively facing the both sides of the magnetic railings ruler, and the magnetic pole of the two neighboring magnet towards the same side is different.The magnet alternately changed by the way that magnetic pole is arranged on magnetic railings ruler, and two coil windings are wound on iron core, the mutually exclusive power in magnetic field caused by the magnetic field generated after being powered using coil windings and magnet pushes magnetic railings ruler to support on positioning surface as damping force, damping force is relatively stable, and use is more convenient；Electromagnetic attraction is generated by coil windings so that the motionless state of magnetic railings ruler remains stationary ensures the accuracy of measurement result simultaneously.
Description
Technical field
The present invention relates to a kind of position control, especially a kind of electromagnetic damping devices for controlling magnetic railings ruler.
Background technology
When with drilling of electric hand drill, it will usually grid ruler measuring device be installed on electric hand drill to measure bored hole in real time
Depth.In grid ruler measuring device, grid ruler being slidably connected on sliding rail is a kind of on-fixed connection, in order to ensure grid ruler position
The stability set needs that damping structure is arranged to ensure that grid ruler is supported always in positioning surface in measurement process in one end of grid ruler
On, that is, it needs to ensure that grid ruler will not generate movement with the movement of electric hand drill, resistance used by traditional grid ruler measuring device
Buddhist nun's structure is usually spring structure, and elastic force is more unstable in use, specifically, with the increase of drilling depth, grid ruler
Can be increasing to the decrement of spring, the reaction force of spring also can be increasing, which is transmitted on electric hand drill
Afterwards, the boring action of operator, use can be hindered more inconvenient；Meanwhile the moment for terminating and removing electric hand drill is being measured, it may
It will appear the phenomenon that grid ruler generates impact under the action of the spring, that is to say, that existing grid ruler measuring device does not control grid ruler
Ability processed influences the accuracy of measurement result.
In view of this, the applicant conducts in-depth research the electromagnetic damping device for controlling magnetic railings ruler, have then
This case generates.
Invention content
The purpose of the present invention is to provide a kind of easy to use and be accurately used to control magnetic railings ruler to measurement result
Electromagnetic damping device.
To achieve the goals above, the present invention adopts the following technical scheme that：
It is a kind of for controlling the electromagnetic damping device of magnetic railings ruler, including microcontroller, casing, be fixedly connected on the housing
Sliding rail, the magnetic railings ruler that is slidably connected on the sliding rail and the both sides for being located at the magnetic railings ruler Hall element and iron
Core, the Hall element and the iron core are all fixedly connected on the sliding rail or the casing, and one is wound on the iron core
Hold the first coil winding and second coil winding towards the magnetic railings ruler, the first coil winding and second coil around
Group is sequentially arranged along the length direction of the magnetic railings ruler, and multiple magnet being equally spaced, institute are provided on the magnetic railings ruler
The two poles of the earth for stating magnet are respectively facing the both sides of the magnetic railings ruler, and the two neighboring magnet is towards the mutual not phase of magnetic pole of the same side
Together, the Hall element, the first coil winding and the second coil winding are described respectively with the monolithic mechatronics
Microcontroller is connected with power supply.
As an improvement of the present invention, there are two the Hall elements, two Hall elements are along the magnetic grid
Between the length direction of ruler is sequentially arranged, and the spacing between two Hall elements is more than between the two neighboring magnet
Away from.
As an improvement of the present invention, the magnet is embedded on the magnetic railings ruler.
As an improvement of the present invention, the microcontroller is fixedly connected on the housing.
As an improvement of the present invention, it is connected with A/D converter between the Hall element and the microcontroller.
As an improvement of the present invention, when the position of one of them coil windings and one of them magnet
When position is corresponding, another described coil windings is located therein between two adjacent magnet.
As an improvement of the present invention, the iron core include supporting rod and with the vertically arranged coiling of the supporting rod
Bar, one end of the wire winding pole and the supporting rod integrally connected, the other end is towards the magnetic railings ruler, the first coil winding
All include the enameled wire and be connected to the enameled wire that spiral winding is located on the wire winding pole with the second coil winding
The lead-out wire at both ends.
Above-mentioned technical proposal is used, the invention has the advantages that：
1, the magnet alternately changed by the way that magnetic pole is arranged on magnetic railings ruler, and two coil windings are wound on iron core, profit
The mutually exclusive power in magnetic field caused by the magnetic field generated after using coil windings to be powered and magnet pushes magnetic railings ruler as damping force
It supports on positioning surface, compared with traditional spring structure, damping force is relatively stable, drilling operation will not be hindered, using more
It is convenient；Electromagnetic attraction is generated by coil windings so that the motionless state of magnetic railings ruler remains stationary effectively avoids magnetic grid simultaneously
Ruler generates impact phenomenon, has control ability to magnetic railings ruler, ensures the accuracy of measurement result.
2, the present invention can be by the size of current and current direction of microcontroller regulating winding winding, and then to the big of damping force
It is small and it is rectangular controlled, efficiently solve conventional springs structure be difficult in real time adjust damping force defect.
Description of the drawings
Fig. 1 is the structural schematic diagram of electromagnetic damping device of the present invention for controlling magnetic railings ruler, clipped part in figure；
Fig. 2 is the present invention for controlling mounting structure schematic diagram of the electromagnetic damping device of magnetic railings ruler on hand drill；
Fig. 3 is the structural schematic diagram under electromagnetic damping device use state of the present invention for controlling magnetic railings ruler；
Fig. 4 is the schematic diagram under another use state of electromagnetic damping device of the present invention for controlling magnetic railings ruler.
It is as follows that correspondence is indicated in figure：
10- microcontrollers；20- casings；
21- shells；22- shell covers；
30- sliding rails；40- magnetic railings rulers；
41- magnet；50- Hall elements；
60- iron cores；61- first coil windings；
62- second coil windings；63- supporting rods；
64- wire winding poles；70- hand drills；
80- positioning surfaces.
Specific implementation mode
The present invention is described further in the following with reference to the drawings and specific embodiments.
As Figure 1-Figure 4, the electromagnetic damping device provided in this embodiment for controlling magnetic railings ruler, including microcontroller
10, it casing 20, the sliding rail 30 being fixedly connected on casing 20, the magnetic railings ruler 40 that is slidably connected on sliding rail 30 and is located at
The Hall element 50 and iron core 60 of the both sides of magnetic railings ruler 40, wherein glide direction of the magnetic railings ruler 40 on sliding rail 30 and magnetic railings ruler 40
Length direction it is identical.Microcontroller 10 is connected with power supply, and microcontroller 10, power supply and Hall element 40 can be from the market
Directly purchase obtains, not the emphasis of the present embodiment, and and will not be described here in detail.
Casing 20 includes shell 21 and is detachably fixed the shell cover 22 being connected on shell 21, microcontroller 10, sliding rail 30, suddenly
That element 50 and iron core 60 are all located in the inner cavity of shell 21, and microcontroller 10 is preferably connected fixedly to the shell 21 of casing 20
On.It is convenient for that each parts are installed and safeguarded in this way.Before use, this shell 21 to be fixedly connected on to the shell of hand drill 70
On, and ensure the drill bit parallel arrangement of magnetic railings ruler 40 and hand drill, naturally it is also possible to hand drill 70 is replaced with other and needs to survey
On the tool for measuring length or depth, illustrated so that electromagnetic damping device is mounted on hand drill 70 as an example in the present embodiment.
Multiple magnet 41 being equally spaced are provided on magnetic railings ruler 40, the two poles of the earth of each magnet 41 are respectively facing magnetic railings ruler 40
Both sides, i.e. Hall element 50 and iron core 60 be located at two extreme directions of magnet 41.Two neighboring magnet 40 is towards the same side simultaneously
Magnetic pole it is different, i.e., each magnet 41 is in such a way that magnetic pole alternates along the length direction spaced set of magnetic railings ruler 40
On magnetic railings ruler 40, certainly, the spacing between two neighboring magnet 41 is known and is preset in microcontroller 10.Preferably, at this
In embodiment, magnet 41 is embedded on magnetic railings ruler 40.
Hall element 50 and iron core 60 are all fixedly connected on the shell 21 of sliding rail 30 or casing 20, i.e. 50 He of Hall element
Relative position between iron core 60 and sliding rail 30 is fixed.Preferably, in the present embodiment, there are two Hall elements 50,
Two Hall elements 50 are sequentially arranged along the length direction of magnetic railings ruler 40, and the spacing between two Hall elements 50 is more than phase
Spacing between adjacent two magnet 41, the spacing between two Hall elements 50 is it is also known that and be preset in microcontroller 10.
First coil winding 61 and second coil winding 62 of the one end towards magnetic railings ruler 40, First Line are wound on iron core 60
Circle winding 61 and second coil winding 62 are sequentially arranged along the length direction of magnetic railings ruler 40, and work as one of coil windings
When the position of (such as first coil winding 61) is corresponding with the position of one of magnet 41, another coil windings (such as second
Coil windings 62) it is located therein between two adjacent magnet 41.Preferably, in the present embodiment, iron core 60 includes supporting rod
63 and with 63 vertically arranged wire winding pole 64 of supporting rod, wire winding pole 64 there are two more than, one end of each wire winding pole 64 all with support
63 integrally connected of bar, the other end both facing to magnetic railings ruler 40, two coil windings respectively with two of which wire winding pole 64 is one-to-one matches
It closes.First coil winding 61 and second coil winding 62 all include the enameled wire and divide that spiral winding is located on corresponding wire winding pole 64
It is not connected to the lead-out wire at enameled wire both ends, it should be noted that enameled wire and lead-out wire can (be both i.e. same with integrally connected
One part) it can also be mutually permanently connected.
Hall element 50, first coil winding 61 and second coil winding 62 are electrically connected with microcontroller 10 respectively, specifically
Connection type is the mode of routine, not the emphasis of the present embodiment, and and will not be described here in detail.Preferably, each Hall element 50 and
A/D converter is all connected between each coil windings and microcontroller 10, i.e., each Hall element 50 and each coil windings pass through respectively
A/D converter is connect with microcontroller 10, convenient for Hall element 50 and coil windings analog signal be converted to microcontroller 10 can be straight
Connect the digital signal of identification.
In use, as shown in Fig. 2, supporting the drill bit of hand drill 70 in hole location to be drilled, while starting microcontroller 10,
And controlling one of coil windings energization by microcontroller 10 makes it generate one by magnetic grid with the interaction of corresponding magnet
Ruler 40 supports the damping force on positioning surface 80, specifically, since two Hall elements 50 in each magnet 41 are formed by magnetic field
In phase difference be n π+pi/2, wherein n be the number for the complete magnet 41 having between two Hall elements 50, calmly
Position magnetic railings ruler 40 and during adjusting the bit location of hand drill 70, magnetic railings ruler 40 can be slided relative to sliding rail 30, and be passed through
The position variation signal of magnetic railings ruler 40 is sent to microcontroller 10 by Hall element 50, and then determines Hall element by microcontroller 10
50 displacement distance and moving direction relative to magnetic railings ruler 40 has also determined that position of each coil windings relative to magnetic railings ruler 40
It sets.It should be noted that if there are one Hall elements 50, microcontroller 10 can only be calculated by position variation signal and be obtained
The displacement distance of magnetic railings ruler 40 can not determine the direction of motion of magnetic railings ruler 40, due to the phase difference between two Hall elements 50
Presence, the signal difference that two Hall elements 50 are sent out is different, and the moving direction of magnetic railings ruler 40 could be judged with this.Assuming that
Magnetic railings ruler 40 supports state when on positioning surface 80 as shown in figure 3, assuming that first coil winding 61 is adjacent positioned at two simultaneously
Magnet 41 between, the direction of drilling is left direction as shown in Figure 3, i.e., in boring procedure, magnetic railings ruler 40 fixes difference, suddenly
That element 50 and iron core 60 will be moved to the left relative to magnetic railings ruler 40, first 41 court of magnet in 61 left side of first coil winding
It is the poles N to the magnetic pole of 60 side of iron core, at this point, allowing first coil winding 61 to be powered by microcontroller 10, it is made to generate the poles N direction
The magnetic field of magnetic railings ruler 40, the magnetic field can repel each other with magnetic field caused by first magnet 41 on the left of first coil winding 61, into
And a damping force acted on magnetic railings ruler 40 is generated, magnetic railings ruler 40 is supported on positioning surface 80.In boring procedure, with
Hall element 50 and group iron core 60 are persistently moved to the left, as shown in figure 4, sometime, Hall element 50 detects First Line
Circle winding 61 moves to anteposition therewith, and when first 41 corresponding position of magnet in its 1 left side, microcontroller 10 closes first
The electric current of coil windings 61 connects the electric current of second coil winding 62 so that second coil winding 62 generates one towards magnetic grid
The magnetic pole of ruler 40 magnetic identical with the magnetic pole of magnet 41 towards 60 side of iron core for being now placed in 62 left side of second coil winding
, and so on, it is ensured that magnetic railings ruler 40 is supported always on positioning surface 80.At the end of drilling, made way for by microcontroller 10
In and the corresponding coil windings of one of magnet 41 be powered and generate a magnetic pole towards magnetic railings ruler 40 and corresponding magnetic
The opposite magnetic field of the magnetic pole of iron 41 towards iron core 60, magnetic railings ruler 40 is adsorbed, it is ensured that position of the magnetic railings ruler 40 relative to sliding rail 30
It sets and remains unchanged, and resistance of the magnetic railings ruler 40 in glide direction is zero, avoid generating impact phenomenon.In addition, in the present embodiment
In, the size of damping force is to control the size of electric current in corresponding coil windings by microcontroller 10 to realize, specific electric current
The selection of size needs to obtain the correspondence of electric current and power by experimental results to determine and be preset in microcontroller 10,
The adjusting to damping force can certainly be realized by the way that the regulating switch being connect with microcontroller 10 is arranged.
The present invention is described in detail above in conjunction with attached drawing, but embodiments of the present invention be not limited in it is above-mentioned
Embodiment, those skilled in the art can make various modifications according to the prior art to the present invention, these belong to the present invention
Protection domain.
Claims (7)
1. a kind of electromagnetic damping device for controlling magnetic railings ruler, which is characterized in that including microcontroller, casing, be fixedly connected on
Sliding rail on the casing, the magnetic railings ruler being slidably connected on the sliding rail and it is located at the both sides of the magnetic railings ruler suddenly
That element and iron core, the Hall element and the iron core are all fixedly connected on the sliding rail or the casing, the iron core
On be wound with first coil winding and second coil winding of the one end towards the magnetic railings ruler, the first coil winding and described
Second coil winding is sequentially arranged along the length direction of the magnetic railings ruler, and multiple be equally spaced is provided on the magnetic railings ruler
Magnet, the two poles of the earth of the magnet are respectively facing the both sides of the magnetic railings ruler, and the two neighboring magnet is towards the same side
Magnetic pole is different, the Hall element, the first coil winding and the second coil winding respectively with the microcontroller
Electrical connection, the microcontroller are connected with power supply.
2. the electromagnetic damping device as described in claim 1 for controlling magnetic railings ruler, which is characterized in that the Hall element has
Two, two Hall elements are sequentially arranged along the length direction of the magnetic railings ruler, and between two Hall elements
Spacing be more than the two neighboring magnet between spacing.
3. the electromagnetic damping device as described in claim 1 for controlling magnetic railings ruler, which is characterized in that the magnet is embedded in
On the magnetic railings ruler.
4. the electromagnetic damping device as described in claim 1 for controlling magnetic railings ruler, which is characterized in that the microcontroller is fixed
Connection is on the housing.
5. the electromagnetic damping device for controlling magnetic railings ruler as described in claim 1, which is characterized in that the Hall element and
It is connected with A/D converter between the microcontroller.
6. the electromagnetic damping device for controlling magnetic railings ruler as claimed in any one of claims 1-5, feature exist
In, when the position of one of them coil windings is corresponding with the position of magnet described in one of them, another described line
Circle winding is located therein between two adjacent magnet.
7. the electromagnetic damping device for controlling magnetic railings ruler as claimed in any one of claims 1-5, feature exist
In, the iron core include supporting rod and with the vertically arranged wire winding pole of the supporting rod, one end of the wire winding pole and the branch
Strut integrally connected, for the other end towards the magnetic railings ruler, the first coil winding and the second coil winding all include spiral shell
Curl up the enameled wire being located on the wire winding pole and the lead-out wire for being connected to the enameled wire both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475381.7A CN108425987B (en) | 2018-05-17 | 2018-05-17 | Electromagnetic damping device for controlling magnetic grating ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475381.7A CN108425987B (en) | 2018-05-17 | 2018-05-17 | Electromagnetic damping device for controlling magnetic grating ruler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108425987A true CN108425987A (en) | 2018-08-21 |
| CN108425987B CN108425987B (en) | 2023-12-15 |
Family
ID=63163468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810475381.7A Active CN108425987B (en) | 2018-05-17 | 2018-05-17 | Electromagnetic damping device for controlling magnetic grating ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108425987B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988606A (en) * | 2018-09-25 | 2018-12-11 | 深圳超磁机器人科技有限公司 | A kind of piston integrated tubular linear motor |
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| US4065974A (en) * | 1974-11-22 | 1978-01-03 | Apparatebau Gauting Gmbh | Spring system comprising an adjustable spring |
| DE10020764A1 (en) * | 1999-07-21 | 2001-01-25 | Mannesmann Sachs Ag | Arrangement for contactless distance measurement between damper piston and cylinder has information medium extending over piston stroke with magnetised position detection code |
| CN201206607Y (en) * | 2008-03-27 | 2009-03-11 | 河南大学 | Adjustable magnetic spring |
| CN104823017A (en) * | 2012-11-15 | 2015-08-05 | 沃尔沃卡车公司 | Stroke sensor and fluid spring provided with stroke sensor |
| CN105864338A (en) * | 2016-06-17 | 2016-08-17 | 哈尔滨工业大学 | Half controllable cylindrical linear electromagnetic damper |
| CN205681278U (en) * | 2016-06-12 | 2016-11-09 | 东莞市正向智能科技有限公司 | A kind of bar-shaped linear electric motors of embedded position sensor |
| CN107036519A (en) * | 2017-05-31 | 2017-08-11 | 中山市新益昌自动化设备有限公司 | A kind of magnetic railings ruler of integrated limit switch |
| CN207018411U (en) * | 2017-07-07 | 2018-02-16 | 宁波亿文特自动化科技有限公司 | Passive magnetic spring |
| CN208397204U (en) * | 2018-05-17 | 2019-01-18 | 华侨大学 | It is a kind of for controlling the electromagnetic damping device of magnetic railings ruler |
-
2018
- 2018-05-17 CN CN201810475381.7A patent/CN108425987B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065974A (en) * | 1974-11-22 | 1978-01-03 | Apparatebau Gauting Gmbh | Spring system comprising an adjustable spring |
| DE10020764A1 (en) * | 1999-07-21 | 2001-01-25 | Mannesmann Sachs Ag | Arrangement for contactless distance measurement between damper piston and cylinder has information medium extending over piston stroke with magnetised position detection code |
| CN201206607Y (en) * | 2008-03-27 | 2009-03-11 | 河南大学 | Adjustable magnetic spring |
| CN104823017A (en) * | 2012-11-15 | 2015-08-05 | 沃尔沃卡车公司 | Stroke sensor and fluid spring provided with stroke sensor |
| CN205681278U (en) * | 2016-06-12 | 2016-11-09 | 东莞市正向智能科技有限公司 | A kind of bar-shaped linear electric motors of embedded position sensor |
| CN105864338A (en) * | 2016-06-17 | 2016-08-17 | 哈尔滨工业大学 | Half controllable cylindrical linear electromagnetic damper |
| CN107036519A (en) * | 2017-05-31 | 2017-08-11 | 中山市新益昌自动化设备有限公司 | A kind of magnetic railings ruler of integrated limit switch |
| CN207018411U (en) * | 2017-07-07 | 2018-02-16 | 宁波亿文特自动化科技有限公司 | Passive magnetic spring |
| CN208397204U (en) * | 2018-05-17 | 2019-01-18 | 华侨大学 | It is a kind of for controlling the electromagnetic damping device of magnetic railings ruler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988606A (en) * | 2018-09-25 | 2018-12-11 | 深圳超磁机器人科技有限公司 | A kind of piston integrated tubular linear motor |
| CN108988606B (en) * | 2018-09-25 | 2023-10-20 | 深圳超磁机器人科技有限公司 | Piston integrated tubular linear motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108425987B (en) | 2023-12-15 |
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