CN203422345U - Direct current impulse magnetizing device - Google Patents
Direct current impulse magnetizing device Download PDFInfo
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- CN203422345U CN203422345U CN201320491658.8U CN201320491658U CN203422345U CN 203422345 U CN203422345 U CN 203422345U CN 201320491658 U CN201320491658 U CN 201320491658U CN 203422345 U CN203422345 U CN 203422345U
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- energy
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- power supply
- control circuit
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Abstract
The utility model discloses a direct current impulse magnetizing device, and aims to provide a direct current impulse magnetizing device which is small in size, light in weight, and low in electric capacity, and has low requirement for power grid. The direct current impulse magnetizing device comprises a host computer control switch, an energy storage element, a power supply for storing energy for the energy storage element, an energy storage control unit for releasing energy for the energy storage element, a safety protection circuit and magnetizing touch points, wherein the energy storage element, the power supply and the energy storage control unit are all connected with each other in parallel; the magnetizing touch points are connected to the two ends of the energy storage control unit; the safety protection circuit is connected with the power supply, the energy storage control unit, the host computer control switch, and the magnetizing touch points respectively. The direct current impulse magnetizing device has the benefits that the deice is small in size, light in weight, low in energy consumption, high in magnetizing current and low in electric capacity, and has low requirement for power grid.
Description
Technical field
The utility model relates to magnetic powder inspection correlative technology field, refers in particular to a kind of DC pulse magnetizing assembly.
Background technology
Magnetic powder inspection utilizes the stray field at workpiece, defect place and the interaction of magnetic, it has utilized steel product surface and near surface flaw (as crackle, slag inclusion, hairline etc.) difference of magnetic permeability and iron and steel magnetic permeability, after magnetization, will distort in the magnetic field at these material discontinuity places, forming section flux leakage place surface of the work has produced stray field, thereby attract magnetic to form magnetism powder accumulation---the magnetic trace of fault location, under suitable illumination condition, show defective locations and shape, the accumulation of these magnetics is observed and explained, just realized magnetic powder inspection.
For some workpiece: as heavy castings, forging, its weight weighs tens tons, and length is over 10 meters.For these workpiece, traditional horizontal magnetic particle inspection apparatus, due to volume and load-bearing restriction, cannot magnetize it.It is too low that conventional yoke probe detects this kind of workpiece efficiency; Pole magnetic particle inspection apparatus has inefficient shortcoming equally, the workpiece of burning of simultaneously also easily striking sparks.For adapting to the detection of such workpiece, the large-scale excitation supply of electric current up to 12000 amperes arises at the historic moment.But the volume of this equipment is large, quality weight, simultaneously very high to the requirement of electrical network, often need independent transformer that power supply is provided, electrical capacity is up to 300kVA-900kVA.
Utility model content
The utility model is in order to overcome the deficiency that in prior art, traditional magnetic particle inspection apparatus volume is large, quality heavy, high to electrical network requirement and electrical equipment capacity is high, and the DC pulse magnetizing assembly that a kind of volume is little, quality light, low to electrical network requirement and electrical equipment capacity is low is provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of DC pulse magnetizing assembly; comprise host computer control switch, energy-storage travelling wave tube, energy-storage travelling wave tube is carried out to the power supply of energy storage, the energy storage control module that energy-storage travelling wave tube is released energy, safety protective circuit and magnetization contact; described energy-storage travelling wave tube, power supply and energy storage control module are in parallel mutually; described magnetization contact is connected to energy storage control module two ends, and described safety protective circuit connects respectively power supply, energy storage control module, host computer control switch and magnetization contact.
Wherein: workpiece is arranged on place, magnetization contact, safety protective circuit is the control center of this device, this device is carried out to centralized control, by safety protective circuit, control power supply and guarantee the energy storage correct to energy-storage travelling wave tube, by safety protective circuit, controlling energy storage control module guarantees correct the releasing energy of energy-storage travelling wave tube, by host computer control switch, open safety protective circuit, safety protective circuit is connected to magnetization contact for Real-Time Monitoring output voltage simultaneously, stable to workpiece magnetic powder inspection and demagnetization to guarantee, only the energy storage by energy-storage travelling wave tube realizes DC pulse magnetization and demagnetization function with electric discharge, reached this device volume little, quality is light, electrical network is required to the low and low object of electrical equipment capacity.
As preferably, described safety protective circuit comprises host computer control circuit, energy storage control circuit, release energy control circuit and electric voltage observation circuit, described host computer control circuit connects respectively energy storage control circuit, release energy control circuit and electric voltage observation circuit, described host computer control circuit connects host computer control switch, described energy storage control circuit connects power supply, described releasing can connect energy storage control module by control circuit, described electric voltage observation circuit connects magnetization contact, wherein: host computer control circuit is used for opening and closing this device, energy storage control circuit is used for controlling power supply energy-storage travelling wave tube is carried out to energy storage, release and can for controlling energy storage control module, to energy-storage travelling wave tube, carry out energy release by control circuit, electric voltage observation circuit is for feedback and the monitoring of output voltage, the protection workpiece to guarantee output voltage normally.
As preferably, also comprise thyristor, described thyristor is arranged between energy storage control module and magnetization contact, and described thyristor connects host computer control switch, by controlling thyristor under manual intervention, can realize startup, turn-off this device.
As preferably, described power supply is voltage source, and voltage source does not change with the variation of electric current, can guarantee energy-storage travelling wave tube to stablize energy storage, consumes energy little.
As preferably, described energy-storage travelling wave tube is electric capacity, and electric capacity is high-performance electrolysis electric capacity, in capacitance energy storage discharge process, can reach the magnetization current of maximum ampere moment.
The beneficial effects of the utility model are: this device volume is little, and quality is light, consume energy little, and little to electrical network requirement, magnetization current is high, and electrical capacity is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. host computer control switch, 2. energy-storage travelling wave tube, 3. power supply, 4. energy storage control module, 5. safety protective circuit, 6. thyristor, 7. magnetization contact.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
In embodiment as described in Figure 1, a kind of DC pulse magnetizing assembly, comprise host computer control switch 1, energy-storage travelling wave tube 2, energy-storage travelling wave tube 2 is carried out to the power supply 3 of energy storage, the energy storage control module 4 that energy-storage travelling wave tube 2 is released energy, safety protective circuit 5, thyristor 6 and magnetization contact 7, power supply 3 is voltage source, energy-storage travelling wave tube 2 is electric capacity, energy-storage travelling wave tube 2, power supply 3 and energy storage control module 4 are in parallel mutually, magnetization contact 7 is connected to energy storage control module 4 two ends, described safety protective circuit 5 connects respectively power supply 3, energy storage control module 4, host computer control switch 1 and magnetization contact 7, thyristor 6 is arranged between energy storage control module 4 and magnetization contact 7, thyristor 6 connects host computer control switch 1.Wherein: safety protective circuit 5 comprises host computer control circuit, energy storage control circuit, releases energy control circuit and electric voltage observation circuit; host computer control circuit connects respectively energy storage control circuit, releases energy control circuit and electric voltage observation circuit; host computer control circuit connects host computer control switch 1; energy storage control circuit connects power supply 3; release and can connect energy storage control module 4 by control circuit, electric voltage observation circuit connects magnetization contact 7.
Wherein: electric capacity is high-performance electrolysis electric capacity, workpiece is arranged on magnetization 7 places, contact, the control center that safety protective circuit 5 is this device, this device is carried out to centralized control, by the energy storage control circuit in safety protective circuit 5, control power supply 3 and guarantee the energy storage correct to energy-storage travelling wave tube 2, by releasing in safety protective circuit 5, can guarantee correct the releasing energy of energy-storage travelling wave tube 2 by control circuit control energy storage control module 4, by host computer control switch 1, open safety protective circuit 5, electric voltage observation circuit in safety protective circuit 5 is connected to magnetization contact 7 for Real-Time Monitoring output voltage simultaneously, stable to workpiece magnetic powder inspection and demagnetization to guarantee.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (5)
1. a DC pulse magnetizing assembly, it is characterized in that, comprise host computer control switch (1), energy-storage travelling wave tube (2), energy-storage travelling wave tube (2) is carried out to the power supply (3) of energy storage, the energy storage control module (4) that energy-storage travelling wave tube (2) is released energy, safety protective circuit (5) and magnetization contact (7), described energy-storage travelling wave tube (2), power supply (3) and energy storage control module (4) are in parallel mutually, described magnetization contact (7) is connected to energy storage control module (4) two ends, described safety protective circuit (5) connects respectively power supply (3), energy storage control module (4), host computer control switch (1) and magnetization contact (7).
2. a kind of DC pulse magnetizing assembly according to claim 1, it is characterized in that, described safety protective circuit (5) comprises host computer control circuit, energy storage control circuit, release energy control circuit and electric voltage observation circuit, described host computer control circuit connects respectively energy storage control circuit, release energy control circuit and electric voltage observation circuit, described host computer control circuit connects host computer control switch (1), described energy storage control circuit connects power supply (3), described releasing can connect energy storage control module (4) by control circuit, described electric voltage observation circuit connects magnetization contact (7).
3. a kind of DC pulse magnetizing assembly according to claim 1 and 2, it is characterized in that, also comprise thyristor (6), described thyristor (6) is arranged between energy storage control module (4) and magnetization contact (7), and described thyristor (6) connects host computer control switch (1).
4. a kind of DC pulse magnetizing assembly according to claim 1 and 2, is characterized in that, described power supply (3) is voltage source.
5. a kind of DC pulse magnetizing assembly according to claim 1 and 2, is characterized in that, described energy-storage travelling wave tube (2) is electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491658.8U CN203422345U (en) | 2013-08-12 | 2013-08-12 | Direct current impulse magnetizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491658.8U CN203422345U (en) | 2013-08-12 | 2013-08-12 | Direct current impulse magnetizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422345U true CN203422345U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320491658.8U Expired - Lifetime CN203422345U (en) | 2013-08-12 | 2013-08-12 | Direct current impulse magnetizing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203422345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645388A (en) * | 2016-09-20 | 2017-05-10 | 黄新超 | High-frequency pulse magnetic powder flaw detection method |
-
2013
- 2013-08-12 CN CN201320491658.8U patent/CN203422345U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645388A (en) * | 2016-09-20 | 2017-05-10 | 黄新超 | High-frequency pulse magnetic powder flaw detection method |
| CN106645388B (en) * | 2016-09-20 | 2020-08-21 | 郑州麦克斯检测科技有限公司 | High-frequency pulse magnetic powder flaw detection method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |
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| CX01 | Expiry of patent term |