CN107192615A - Metal electromagnetism loading system based on Lorentz force - Google Patents
Metal electromagnetism loading system based on Lorentz force Download PDFInfo
- Publication number
- CN107192615A CN107192615A CN201710565260.7A CN201710565260A CN107192615A CN 107192615 A CN107192615 A CN 107192615A CN 201710565260 A CN201710565260 A CN 201710565260A CN 107192615 A CN107192615 A CN 107192615A
- Authority
- CN
- China
- Prior art keywords
- loading
- storage capacitor
- controllable silicon
- lorentz force
- permanent 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.)
- Granted
Links
- 238000011068 loading method Methods 0.000 title claims abstract description 88
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 40
- 239000010703 silicon Substances 0.000 claims abstract description 40
- 230000005284 excitation Effects 0.000 claims abstract description 37
- 239000003990 capacitor Substances 0.000 claims abstract description 36
- 230000001960 triggered effect Effects 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 16
- 239000004411 aluminium Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnets (AREA)
Abstract
The present invention relates to the metal electromagnetism loading system based on Lorentz force, it is characterised in that the system includes adjustable stabilized voltage supply, storage capacitor, controllable silicon, single-chip microcomputer and four loading heads；The output end of the adjustable stabilized voltage supply is connected with storage capacitor, controllable silicon and four loading heads successively, and the control port of controllable silicon is connected with single-chip microcomputer, and controlled silicon conducting is triggered by single-chip microcomputer；Adjustable stabilized voltage supply is used to carrying out rectification and boosting and be storage capacitor charging power frequency supply；Storage capacitor is used to store electric energy, and is discharged to loading head, and controllable silicon is used for the electric discharge for controlling storage capacitor；Four loadings header structure is identical, and two loading heads are one group, every group metallic plate to be loaded is arranged in symmetrical structure up and down upper and lower surface；Each loading head includes excitation coil and permanent magnet, and the output end of the excitation coil and controllable silicon is connected, and a permanent magnet is fixed in the left half of region and/or right half of region on excitation coil top.
Description
Technical field
The present invention relates to a kind of Metal loading systems technology field, and in particular to a kind of metal electromagnetism based on Lorentz force
Loading system.
Background technology
Current metal material applies quite varied, the structural behaviour and safety of these metal parts in various engineering structures
State directly affects the safe operation of equipment.Metal material is influenceed by factors such as loading stress, temperature stress, residual stress
Defect, even crackle and fracture can be produced, serious consequence is caused.In order to study the performance of metal material under stress state, often
Need to load metal material (i.e. applying power, including pulling force and pressure).Traditional material testing machine uses motor or liquid
Pressure driving, using gear, lead screw transmission, needs workpiece clamp to live in capable stretching when in use, and workpiece is exerted a force from outside, experiment
Machine is bulky, expensive, and maintenance cost is high；And test specimen is fixed using chuck for it, inevitably to material
Cause damage in material surface.
The content of the invention
In order to overcome, existing machinery loading device is bulky, shortcoming that is directly being contacted with test specimen, and the present invention provides a kind of
Electromagnetic force is used among metal specimen stretching by the metal electromagnetism loading system based on Lorentz force, the system, with active force
Uniformly, it is swift to operate with workpiece noncontact, portable advantage.
The technical solution adopted in the present invention is to provide a kind of metal electromagnetism loading system based on Lorentz force, and it is special
Levy and be that the system includes adjustable stabilized voltage supply, storage capacitor, controllable silicon, single-chip microcomputer and four loading heads；The adjustable voltage stabilizing
The output end of power supply is connected with storage capacitor, controllable silicon and four loading heads successively, and control port and the single-chip microcomputer of controllable silicon connect
Connect, controlled silicon conducting is triggered by single-chip microcomputer；Adjustable stabilized voltage supply is used to carrying out rectification and boosting and be energy storage power frequency supply
Electric capacity charges；Storage capacitor is used to store electric energy, and is discharged to loading head, and controllable silicon is used for the electric discharge for controlling storage capacitor；Institute
State four loading header structures identical, two loading heads are one group, every group is arranged in metallic plate to be loaded in symmetrical structure up and down
Upper and lower surface；Each loading head includes excitation coil and permanent magnet, the output end of the excitation coil and controllable silicon
Connection, a permanent magnet is fixed in the left half of region and/or right half of region on excitation coil top.
The characteristics of loading system of the present invention：
1. the present invention uses electromagnetic induction principle, workpiece is not exerted a force from outside, but make workpiece from internal stress so that
The distribution of test specimen internal stress is more uniform；
2. fixing workpiece using chuck in mechanical stretching machine, the pressure of chuck and anti-slip veins thereon can be made to workpiece surface
Into damage.Loading head of the present invention is not contacted directly with workpiece, but by magnetic fields in workpiece, it is to avoid to workpiece test specimen table
The damage in face；
3. system bulk is small lightweight, it is easy to carry, it is easy to loading and unloading, it can be added in the case where test specimen is in service state
Carry, facilitate technical staff's execute-in-place.
Traditional stretching-machine is bulky immovable, is intended under need to being dismantled to test specimen progress detection in the part slave unit
Come, be then sent to laboratory and studied, process is comparatively laborious.Present system equipment is light can to take open air to, facilitate skill
Art personnel on site operates, and overcomes the problem of existing stretching-machine is bulky expensive.
Brief description of the drawings
Fig. 1 is the structured flowchart of the metal electromagnetism loading system of the invention based on Lorentz force；
Fig. 2 is the metal electromagnetism loading system loading head main structure diagram of the invention based on Lorentz force；
Fig. 3 is the subjective diagrammatic cross-section of metal electromagnetism loading system loading head of the present invention based on Lorentz force；
Fig. 4 is the installation knot of loading head and metallic plate when the metal electromagnetism loading system of the invention based on Lorentz force is used
Structure main structure diagram；
Fig. 5 is the installation knot of loading head and metallic plate when the metal electromagnetism loading system of the invention based on Lorentz force is used
Structure overlooking the structure diagram；
Fig. 6 is principle schematic when the metal electromagnetism loading system of the invention based on Lorentz force is used.
Fig. 7 is the loading head of embodiment 2 and the mounting structure main structure diagram of metallic plate.
Fig. 8 is the loading head of embodiment 3 and the mounting structure main structure diagram of metallic plate.
In figure, 1. adjustable stabilized voltage supplies, 2. storage capacitors, 3. controllable silicons, 4. single-chip microcomputers, 5. excitation coils, 6. metallic plates,
7. permanent magnet, 8. exciting currents, 9. inductive loops, 10. magnetostatic fields, 11. electromagnetic forces.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
Metal electromagnetism loading system (abbreviation system, referring to Fig. 1,4,5) of the invention based on Lorentz force includes adjustable steady
Voltage source 1, storage capacitor 2, controllable silicon 3, single-chip microcomputer 4 and four loading heads；The output end of the adjustable stabilized voltage supply 1 successively with
Storage capacitor 2, controllable silicon 3 and four loading head connections, the control port of controllable silicon are connected with single-chip microcomputer 4, touched by single-chip microcomputer 4
Send out controlled silicon conducting；Adjustable stabilized voltage supply 1 is used to carrying out rectification and boosting and be storage capacitor charging power frequency supply, and voltage is defeated
Go out scope adjustable for 0~800V；Storage capacitor 2 is used to store electric energy, and is discharged to loading head, and highest pressure voltage is 1200v, is held
Measure as 3500uf, controllable silicon 3 is used for the electric discharge for controlling storage capacitor, and highest withstanding voltage is 1400V, and operating current is 800A；
Four loading header structures are identical, and two loading heads are one group, every group be arranged in symmetrical structure up and down it is to be loaded
The upper and lower surface of metallic plate；Each loading head includes excitation coil 5 and permanent magnet 7, the excitation coil 5 and controllable silicon
3 output end connection, a permanent magnet is fixed in the left half of region and/or right half of region on excitation coil top.
Further characteristic of the invention is that each loading head includes two permanent magnets 7 and an excitation coil 5, permanent magnetism
Body 7 uses neodymium iron boron N52 ferromagnetic materials, is shaped as U-shaped, two opposite polarities of permanent magnet 7 on same loading head, mutually attracted
Form E shape structures；Excitation coil 5 uses hollow rectangle skeleton, the sky of the E shape structures of the insertion formation of permanent magnet 7 of excitation coil 5
In gap, loading head is combined into.
Further characteristic of the invention is that the wire on the excitation coil 5 is led using a diameter of 0.5-2mm enamel-covers copper
Line, the winding number of turn is 150-300 circles.
It is preferred that the wire on excitation coil 5 uses a diameter of 0.8-1.2mm enamel-covers copper conductor, the winding number of turn is 200-250
Circle.
The operation principle and process of loading system of the present invention be：
Four loading heads are divided into two groups of two ends for being placed on metallic plate 6, every group of two loading heads, two loading heads first
The upper and lower surface of metallic plate is arranged in symmetrical structure up and down, as shown in Figure 4.Then using adjustable stabilized voltage supply 1 to energy storage electricity
Hold 2 to charge, charging triggers controllable silicon 3 by single-chip microcomputer 4 after finishing and turned on, and four excitation coils 5 of storage capacitor 2 pair discharge, and swash
Generation exciting current 8 in coil 5 is encouraged, the sense of current and excitation can be generated by being clipped in the metallic plate 6 in the middle of two excitation coils 5
The opposite inductive loop 9 (referring to Fig. 6) of electric current 8, only two works vertical with force direction of excitation coil 5 are wrapped up with U-shaped permanent magnet 7
With while (when excitation coil has four, wherein only two sides vertical with force direction to produce power have effect, claiming the two
While being action edge, only permanent magnet is laid on the two sides), in the case where the magnetostatic field 10 that permanent magnet 7 is produced is acted on, 6 liang of metallic plate
The inductive loop 9 at end will be acted on by the opposite Lorentz force 11 in direction, and stretching action is produced to metallic plate 6.Swashed by regulation
Encourage direction of current flow in coil 5, it is possible to achieve the conversion of two kinds of loading effects of stretching and compression." ☉ " represents electric current in Fig. 6
Vertical paper inwards,Represent that the vertical paper of electric current is outside.
Loading system of the present invention can be applied to following two fields：
1. the mechanical property research of metal material：The tensile strength of metal material is tested, applied electromagnetic force is gradually stepped up,
In much field of loads plastic deformation occurs for observation material, can occur expendable nonplastic shape beyond much field of loads
Become, can be broken when reaching what stress limit.
2. the Non-Destructive Testing of metal inside stress：
1. the on-line measurement of metal sonoelastic coefficient can be carried out.
2. the spatial resolution of Non-Destructive Testing is improved：For it is more small, be difficult to the metal stresses that detect, this can be used to be
System expands stress, obtains more obvious testing result.When for example using ultrasonic stress mornitoring method, stress present in metal
It is smaller, it is necessary to measure 4cm apart from upper ultrasonic propagation time, can just collect obvious velocity of wave change；If using this system
Stress is expanded, may be only needed in 2cm distances with regard to obvious sonic velocity change can be collected, this just reduces the sky needed for detection
Between, it can more reflect the stress state of certain point, improve the spatial resolution of detection.
Embodiment 1
Metal electromagnetism loading system of the present embodiment based on Lorentz force include adjustable stabilized voltage supply 1, storage capacitor 2, can
Control silicon 3, single-chip microcomputer 4 and four loading heads；The output end of the adjustable stabilized voltage supply 1 successively with storage capacitor 2, controllable silicon 3 and
Four loading head connections, the control port of controllable silicon is connected with single-chip microcomputer 4, and controlled silicon conducting is triggered by single-chip microcomputer 4；It is adjustable steady
Voltage source 1 is used to carrying out rectification and boosting and be storage capacitor charging power frequency supply；Storage capacitor 2 is used to store electric energy, and
Discharged to loading head, controllable silicon 3 is used for the electric discharge for controlling storage capacitor；
Four loading header structures are identical, and two loading heads are one group, every group be arranged in symmetrical structure up and down it is to be loaded
The upper and lower surface of metallic plate；Each loading head includes two permanent magnets 7 and an excitation coil 5, the excitation coil 5 with can
Control the output end connection of silicon 3；The permanent magnet 7 is shaped as U-shaped, two opposite polarities of permanent magnet 7 on same loading head, mutually
Adhesive forms E shape structures；Excitation coil 5 uses hollow rectangle skeleton, the E shape structures of the insertion formation of permanent magnet 7 of excitation coil 5
Space in, be combined into loading head.
Wire described in the present embodiment on excitation coil 5 uses a diameter of 0.8mm enamel-covers copper conductor, and the winding number of turn is 200
Circle, the permanent magnet uses neodymium iron boron N52 ferromagnetic materials.The voltage output range of adjustable stabilized voltage supply 1 is that 0~800V is adjustable；
The highest pressure voltage of storage capacitor 2 is 1200v, and capacity is 3500uf；The highest withstanding voltage of controllable silicon 3 is 1400V, operating current
For 800A.
In order to verify the feasibility of the present embodiment loading system, produced electromagnetic force is entered using ultrasonic stress mornitoring method
Row measurement.The metallic plate to be loaded of the present embodiment is fine aluminium test specimen.
Theoretical calculation is obtained, when storage capacitor charges to 600V, and loading system will can produce 2 MPas to fine aluminium test specimen
Electromagnetism tension.
When test specimen is in free state, the ultrasonic velocity in measurement test specimen, measurement result is 6458.3m/s；By energy storage
Electric capacity charges to 600V, and electromagnetism stretching is carried out to fine aluminium test specimen, and measures ultrasonic velocity simultaneously, and measurement result is 6457.6m/
s.According to stress in fine aluminium plate material and the proportionality coefficient of the velocity of sound, can obtain the corresponding stress of ultrasonic velocity change is 2 MPas,
The measurement result is identical with the calculated results, so as to demonstrate the practicality and accuracy of loading system of the present invention.
Embodiment 2
Metal electromagnetism loading system of the present embodiment based on Lorentz force include adjustable stabilized voltage supply 1, storage capacitor 2, can
Control silicon 3, single-chip microcomputer 4 and four loading heads；The output end of the adjustable stabilized voltage supply 1 successively with storage capacitor 2, controllable silicon 3 and
Four loading head connections, the control port of controllable silicon is connected with single-chip microcomputer 4, and controlled silicon conducting is triggered by single-chip microcomputer 4；It is adjustable steady
Voltage source 1 is used to carrying out rectification and boosting and be storage capacitor charging power frequency supply；Storage capacitor 2 is used to store electric energy, and
Discharged to loading head, controllable silicon 3 is used for the electric discharge for controlling storage capacitor；Four loadings header structure is identical, two loading heads
For one group, every group metallic plate to be loaded is arranged in symmetrical structure up and down upper and lower surface；Each loading head includes
One excitation coil 5 and a permanent magnet 7, the excitation coil 5 is connected with the output end of controllable silicon 3, on excitation coil top
Right half of region fix a permanent magnet.
The permanent magnet of the present embodiment is rectangle (referring to Fig. 7).Wire on the excitation coil 5 is using a diameter of
0.8mm enamel-cover copper conductors, the winding number of turn is 200 circles, and the permanent magnet uses neodymium iron boron N52 ferromagnetic materials.
Storage capacitor is charged into 600V, electromagnetism stretching is carried out to fine aluminium test specimen, and carry out ultrasonic stress mornitoring, electromagnetic force
Testing result is 0.45 MPa.
Embodiment 3
Metal electromagnetism loading system each several part connection be the same as Example 2 of the present embodiment based on Lorentz force, difference exists
U-shaped is used in the shape of permanent magnet 7, the right half of region (referring to Fig. 8) on the top of excitation coil 5 is wrapped in.
Storage capacitor is charged into 600V, electromagnetism stretching is carried out to fine aluminium test specimen, and carry out ultrasonic stress mornitoring, electromagnetic force
Testing result is 1 MPa.
By the contrast of embodiment 2 and embodiment 3, when other conditions are all identical, the electricity produced using U-shaped permanent magnet
Magnetic force illustrates that U-shaped permanent magnetism physical efficiency forms more preferable Distribution of Magnetic Field than more than twice of the effect using rectangular permanent magnet, generation
Bigger electromagnetic force.
By the contrast of embodiment 1 and embodiment 2, opposite polarity is installed simultaneously in two action edges of excitation coil 5
Permanent magnet when, produced electromagnetic force is only twice in an action edge during installation magnet, and this shows dual permanent-magnet
Structure electric energy is more fully utilized, it is to avoid the waste of energy.
Above-mentioned storage capacitor, single-chip microcomputer, controllable silicon are commercially available.
The present invention does not address part and is applied to prior art.
Claims (8)
1. a kind of metal electromagnetism loading system based on Lorentz force, it is characterised in that the system includes adjustable stabilized voltage supply, storage
Can electric capacity, controllable silicon, single-chip microcomputer and four loading heads；The output end of the adjustable stabilized voltage supply successively with storage capacitor, controllable
Silicon and four loading head connections, the control port of controllable silicon are connected with single-chip microcomputer, and controlled silicon conducting is triggered by single-chip microcomputer；It is adjustable
Voltage-stabilized power supply is used to carrying out rectification and boosting and be storage capacitor charging power frequency supply；Storage capacitor is used to store electric energy, and
Discharged to loading head, controllable silicon is used for the electric discharge for controlling storage capacitor；Four loadings header structure is identical, and two loading heads are
One group, every group is arranged in the upper and lower surface of metallic plate to be loaded in symmetrical structure up and down；Each loading head includes swashing
Encourage coil and permanent magnet, the output end connection of the excitation coil and controllable silicon, excitation coil top left half of region and/
Or a permanent magnet is fixed in right half of region.
2. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that each loading head
Include two permanent magnet polarities on two permanent magnets, same loading head on the contrary, mutual attracted formation E shape structures, excitation line
In the space of the E shape structures of the embedded permanent magnet formation of circle.
3. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that the permanent magnet
It is shaped as U-shaped.
4. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that the permanent magnet
Using neodymium iron boron N52 ferromagnetic materials.
5. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that excitation coil is adopted
With hollow rectangle skeleton.
6. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that the excitation line
Wire on circle uses a diameter of 0.5-2mm enamel-covers copper conductor, and the winding number of turn is 150-300 circles.
7. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that the excitation line
Wire on circle uses a diameter of 0.8-1.2mm enamel-covers copper conductor, and the winding number of turn is 200-250 circles.
8. the metal electromagnetism loading system according to claim 1 based on Lorentz force, it is characterised in that adjustable voltage stabilizing electricity
The voltage output range in source is that 0~800V is adjustable；The highest pressure voltage of storage capacitor is 1200v, and capacity is 3500uf；Controllable silicon
Highest withstanding voltage is 1400V, and operating current is 800A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565260.7A CN107192615B (en) | 2017-07-12 | 2017-07-12 | Lorentz force-based metal electromagnetic loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565260.7A CN107192615B (en) | 2017-07-12 | 2017-07-12 | Lorentz force-based metal electromagnetic loading system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107192615A true CN107192615A (en) | 2017-09-22 |
| CN107192615B CN107192615B (en) | 2024-03-15 |
Family
ID=59882959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565260.7A Active CN107192615B (en) | 2017-07-12 | 2017-07-12 | Lorentz force-based metal electromagnetic loading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107192615B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645296A (en) * | 2018-06-06 | 2018-10-12 | 南京理工大学 | A kind of jet flow forming device of strong Magnetic driving |
| CN108894757A (en) * | 2018-06-06 | 2018-11-27 | 南京理工大学 | A kind of electromagnetic drive petroleum perforation charge device |
| CN110095334A (en) * | 2019-04-09 | 2019-08-06 | 三峡大学 | A kind of experimental provision and method using Ampere force simulation rock stress condition |
| CN110887746A (en) * | 2019-11-18 | 2020-03-17 | 宁波大学 | Lorentz force-based tangential loading method for shear test of oversized rock mass structural plane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202382713U (en) * | 2011-12-26 | 2012-08-15 | 华中科技大学 | Electromagnetic ultrasonic sensor for measuring wall thickness of test piece |
| CN104897486A (en) * | 2015-05-20 | 2015-09-09 | 西北工业大学 | Electromagnetic torsional split-Hopkinson bar loading device |
| CN206990351U (en) * | 2017-07-12 | 2018-02-09 | 河北工业大学 | Metal electromagnetism loading system based on lorentz force |
-
2017
- 2017-07-12 CN CN201710565260.7A patent/CN107192615B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202382713U (en) * | 2011-12-26 | 2012-08-15 | 华中科技大学 | Electromagnetic ultrasonic sensor for measuring wall thickness of test piece |
| CN104897486A (en) * | 2015-05-20 | 2015-09-09 | 西北工业大学 | Electromagnetic torsional split-Hopkinson bar loading device |
| CN206990351U (en) * | 2017-07-12 | 2018-02-09 | 河北工业大学 | Metal electromagnetism loading system based on lorentz force |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645296A (en) * | 2018-06-06 | 2018-10-12 | 南京理工大学 | A kind of jet flow forming device of strong Magnetic driving |
| CN108894757A (en) * | 2018-06-06 | 2018-11-27 | 南京理工大学 | A kind of electromagnetic drive petroleum perforation charge device |
| CN108645296B (en) * | 2018-06-06 | 2019-11-15 | 南京理工大学 | A kind of jet flow forming device of strong Magnetic driving |
| CN108894757B (en) * | 2018-06-06 | 2020-04-28 | 南京理工大学 | Electromagnetic drive petroleum perforating bullet device |
| CN110095334A (en) * | 2019-04-09 | 2019-08-06 | 三峡大学 | A kind of experimental provision and method using Ampere force simulation rock stress condition |
| CN110095334B (en) * | 2019-04-09 | 2022-02-01 | 三峡大学 | Experimental device and method for simulating rock stress condition by adopting ampere force |
| CN110887746A (en) * | 2019-11-18 | 2020-03-17 | 宁波大学 | Lorentz force-based tangential loading method for shear test of oversized rock mass structural plane |
| CN110887746B (en) * | 2019-11-18 | 2022-05-03 | 宁波大学 | Lorentz force-based tangential loading method for shear test of oversized rock mass structural plane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107192615B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206990351U (en) | Metal electromagnetism loading system based on lorentz force | |
| CN107192615A (en) | Metal electromagnetism loading system based on Lorentz force | |
| Song et al. | Significant power enhancement of magneto-mechano-electric generators by magnetic flux concentration | |
| Kang et al. | High power magnetic field energy harvesting through amplified magneto‐mechanical vibration | |
| US10175202B2 (en) | Magnetostrictively induced guided wave sensor device | |
| Li et al. | Performance comparison of electromagnetic generators based on different circular magnet arrangements | |
| JP2010141976A (en) | Non-contact power transmission apparatus | |
| CN104569875A (en) | Measuring system and method for two-dimension magnetic properties of silicon steel sheets on controllable stress conditions | |
| Khan et al. | Electromagnetic-based bridge energy harvester using traffic-induced bridge's vibrations and ambient wind | |
| Yan et al. | Self-powered electromagnetic energy harvesting for the low power consumption electronics: Design and experiment | |
| CN103411832A (en) | Testing device for maximal concentrated load of cable bracket and use method of testing device | |
| CN107144720B (en) | Device and method for testing critical current of superconducting strip under cyclic load | |
| Song et al. | Stable output performance generated from a magneto-mechano-electric generator having self-resonance tunability with a movable proof mass | |
| Patil et al. | Boosting the energy harvesting performance of cantilever structured magneto-mechano-electric generator by controlling magnetic flux intensity on magnet proof mass | |
| Zhang et al. | Optimal design and testing of the driving coil on induction coilgun | |
| Wu et al. | Electrode shape dependence of the barbell-shaped magneto-mechano-electric energy harvester for low-frequency applications | |
| CN205210021U (en) | Magnetic induced shrinkage or elongation guided wave detects sensor and detecting system based on open magnetic circuit | |
| CN206990502U (en) | Metallic plate sonoelastic coefficient on-line measurement system based on electromagnetism loading | |
| CN107179353B (en) | Metal plate acoustic elasticity coefficient on-line measuring system based on electromagnetic loading | |
| CN112213601A (en) | Experimental device for simulating double-coil radial induced electric power impact accumulated deformation | |
| CN111208457B (en) | Novel magnetostriction measurement method and device | |
| Ren et al. | Design, optimization and test of an electromagnetic vibration energy harvester for industrial wireless sensor networks | |
| CN103630350A (en) | Method for testing load of long stator core | |
| CN206920507U (en) | High-temperature superconductor band critical current test device under a kind of cyclic loading | |
| BR112020016042A2 (en) | resonance electrical amplification systems |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |